banger/internal/cli/cli_test.go

package cli

import (
	"bytes"
	"context"
	"errors"
	"fmt"
	"io"
	"os"
	"os/exec"
	"path/filepath"
	"reflect"
	"strings"
	"testing"
	"time"

	"banger/internal/api"
	"banger/internal/buildinfo"
	"banger/internal/daemon/workspace"
	"banger/internal/model"
	"banger/internal/system"
	"banger/internal/toolingplan"

	"github.com/spf13/cobra"
)

func TestNewBangerCommandHasExpectedSubcommands(t *testing.T) {
	cmd := NewBangerCommand()
	names := []string{}
	for _, sub := range cmd.Commands() {
		names = append(names, sub.Name())
	}
	want := []string{"daemon", "doctor", "image", "internal", "kernel", "ps", "ssh-config", "system", "version", "vm"}
	if !reflect.DeepEqual(names, want) {
		t.Fatalf("subcommands = %v, want %v", names, want)
	}
}

func TestVersionCommandPrintsBuildInfo(t *testing.T) {
	cmd := NewBangerCommand()
	var stdout bytes.Buffer
	cmd.SetOut(&stdout)
	cmd.SetErr(&stdout)
	cmd.SetArgs([]string{"version"})

	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}

	info := buildinfo.Current()
	output := stdout.String()
	for _, want := range []string{
		"version: " + info.Version,
		"commit: " + info.Commit,
		"built_at: " + info.BuiltAt,
	} {
		if !strings.Contains(output, want) {
			t.Fatalf("output = %q, want %q", output, want)
		}
	}
}

func TestImageCommandIncludesPull(t *testing.T) {
	cmd := NewBangerCommand()
	var image *cobra.Command
	for _, sub := range cmd.Commands() {
		if sub.Name() == "image" {
			image = sub
			break
		}
	}
	if image == nil {
		t.Fatalf("image command missing from root")
	}
	hasPull := false
	for _, sub := range image.Commands() {
		if sub.Name() == "pull" {
			hasPull = true
			if flag := sub.Flags().Lookup("kernel-ref"); flag == nil {
				t.Errorf("image pull missing --kernel-ref flag")
			}
			if flag := sub.Flags().Lookup("size"); flag == nil {
				t.Errorf("image pull missing --size flag")
			}
		}
	}
	if !hasPull {
		t.Fatalf("image pull subcommand missing")
	}
}

func TestKernelCommandExposesSubcommands(t *testing.T) {
	cmd := NewBangerCommand()
	var kernel *cobra.Command
	for _, sub := range cmd.Commands() {
		if sub.Name() == "kernel" {
			kernel = sub
			break
		}
	}
	if kernel == nil {
		t.Fatalf("kernel command missing from root")
	}
	names := []string{}
	for _, sub := range kernel.Commands() {
		names = append(names, sub.Name())
	}
	want := []string{"import", "list", "pull", "rm", "show"}
	if !reflect.DeepEqual(names, want) {
		t.Fatalf("kernel subcommands = %v, want %v", names, want)
	}
}

func TestDoctorCommandPrintsReportAndFailsOnHardFailures(t *testing.T) {
	d := defaultDeps()
	d.doctor = func(context.Context) (system.Report, error) {
		return system.Report{
			Checks: []system.CheckResult{
				{Name: "runtime bundle", Status: system.CheckStatusPass, Details: []string{"runtime dir /tmp/runtime"}},
				{Name: "feature nat", Status: system.CheckStatusFail, Details: []string{"missing iptables"}},
			},
		}, nil
	}

	cmd := d.newRootCommand()
	var stdout bytes.Buffer
	cmd.SetOut(&stdout)
	cmd.SetErr(&stdout)
	cmd.SetArgs([]string{"doctor"})

	err := cmd.Execute()
	if err == nil || !strings.Contains(err.Error(), "doctor found failing checks") {
		t.Fatalf("Execute() error = %v, want doctor failure", err)
	}
	output := stdout.String()
	if !strings.Contains(output, "PASS\truntime bundle") {
		t.Fatalf("output = %q, want runtime bundle pass", output)
	}
	if !strings.Contains(output, "FAIL\tfeature nat") {
		t.Fatalf("output = %q, want feature nat fail", output)
	}
}

func TestDoctorCommandReturnsUnderlyingError(t *testing.T) {
	d := defaultDeps()
	d.doctor = func(context.Context) (system.Report, error) {
		return system.Report{}, errors.New("load failed")
	}

	cmd := d.newRootCommand()
	cmd.SetArgs([]string{"doctor"})
	err := cmd.Execute()
	if err == nil || !strings.Contains(err.Error(), "load failed") {
		t.Fatalf("Execute() error = %v, want load failed", err)
	}
}

func TestInternalNATFlagsExist(t *testing.T) {
	root := NewBangerCommand()
	internal, _, err := root.Find([]string{"internal"})
	if err != nil {
		t.Fatalf("find internal: %v", err)
	}
	nat, _, err := internal.Find([]string{"nat"})
	if err != nil {
		t.Fatalf("find nat: %v", err)
	}
	up, _, err := nat.Find([]string{"up"})
	if err != nil {
		t.Fatalf("find nat up: %v", err)
	}
	for _, flagName := range []string{"guest-ip", "tap"} {
		if up.Flags().Lookup(flagName) == nil {
			t.Fatalf("missing flag %q", flagName)
		}
	}
}

func TestPSAndVMListAliasesAndFlagsExist(t *testing.T) {
	root := NewBangerCommand()
	ps, _, err := root.Find([]string{"ps"})
	if err != nil {
		t.Fatalf("find ps: %v", err)
	}
	for _, flagName := range []string{"all", "latest", "quiet"} {
		if ps.Flags().Lookup(flagName) == nil {
			t.Fatalf("missing ps flag %q", flagName)
		}
	}
	vm, _, err := root.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	list, _, err := vm.Find([]string{"list"})
	if err != nil {
		t.Fatalf("find list: %v", err)
	}
	if _, _, err := vm.Find([]string{"ls"}); err != nil {
		t.Fatalf("find ls alias: %v", err)
	}
	if _, _, err := vm.Find([]string{"ps"}); err != nil {
		t.Fatalf("find ps alias: %v", err)
	}
	for _, flagName := range []string{"all", "latest", "quiet"} {
		if list.Flags().Lookup(flagName) == nil {
			t.Fatalf("missing vm list flag %q", flagName)
		}
	}
}

func TestPSCommandRejectsArgs(t *testing.T) {
	cmd := NewBangerCommand()
	cmd.SetArgs([]string{"ps", "extra"})
	err := cmd.Execute()
	if err == nil || !strings.Contains(err.Error(), "usage: banger ps") {
		t.Fatalf("Execute() error = %v, want ps usage error", err)
	}
}

func TestVMCreateFlagsExist(t *testing.T) {
	root := NewBangerCommand()
	vm, _, err := root.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	create, _, err := vm.Find([]string{"create"})
	if err != nil {
		t.Fatalf("find create: %v", err)
	}
	for _, flagName := range []string{"name", "image", "vcpu", "memory", "system-overlay-size", "disk-size", "nat", "no-start"} {
		if create.Flags().Lookup(flagName) == nil {
			t.Fatalf("missing flag %q", flagName)
		}
	}
}

func TestVMRunFlagsExist(t *testing.T) {
	root := NewBangerCommand()
	vm, _, err := root.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	run, _, err := vm.Find([]string{"run"})
	if err != nil {
		t.Fatalf("find run: %v", err)
	}
	for _, flagName := range []string{"name", "image", "vcpu", "memory", "system-overlay-size", "disk-size", "nat", "branch", "from"} {
		if run.Flags().Lookup(flagName) == nil {
			t.Fatalf("missing flag %q", flagName)
		}
	}
	if run.Flags().Lookup("no-start") != nil {
		t.Fatal("vm run should not expose --no-start")
	}
}

func TestVMCreateFlagsShowResolvedDefaults(t *testing.T) {
	// Defaults are resolved at command-build time from config + host
	// heuristics. Guarantee only that the values are sensible-positive
	// and match the resolver's output — the exact numbers depend on
	// the host the tests run on.
	root := NewBangerCommand()
	vm, _, err := root.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	create, _, err := vm.Find([]string{"create"})
	if err != nil {
		t.Fatalf("find create: %v", err)
	}

	for _, flagName := range []string{"vcpu", "memory"} {
		flag := create.Flags().Lookup(flagName)
		if flag == nil {
			t.Fatalf("flag %q missing", flagName)
		}
		if flag.DefValue == "" || flag.DefValue == "0" {
			t.Errorf("flag %q default = %q, want a positive integer", flagName, flag.DefValue)
		}
	}
	for _, flagName := range []string{"system-overlay-size", "disk-size"} {
		flag := create.Flags().Lookup(flagName)
		if flag == nil {
			t.Fatalf("flag %q missing", flagName)
		}
		if !strings.ContainsAny(flag.DefValue, "GMK") {
			t.Errorf("flag %q default = %q, want a formatted size like '8G'", flagName, flag.DefValue)
		}
	}
}

func TestVMRunRejectsFromWithoutBranch(t *testing.T) {
	cmd := NewBangerCommand()
	cmd.SetArgs([]string{"vm", "run", "--from", "HEAD"})

	err := cmd.Execute()
	if err == nil || !strings.Contains(err.Error(), "--from requires --branch") {
		t.Fatalf("Execute() error = %v, want --from requires --branch", err)
	}
}

func TestImageRegisterFlagsExist(t *testing.T) {
	root := NewBangerCommand()
	image, _, err := root.Find([]string{"image"})
	if err != nil {
		t.Fatalf("find image: %v", err)
	}
	register, _, err := image.Find([]string{"register"})
	if err != nil {
		t.Fatalf("find register: %v", err)
	}
	for _, flagName := range []string{"name", "rootfs", "work-seed", "kernel", "initrd", "modules", "docker"} {
		if register.Flags().Lookup(flagName) == nil {
			t.Fatalf("missing flag %q", flagName)
		}
	}
}

func TestImagePromoteCommandExists(t *testing.T) {
	root := NewBangerCommand()
	image, _, err := root.Find([]string{"image"})
	if err != nil {
		t.Fatalf("find image: %v", err)
	}
	if _, _, err := image.Find([]string{"promote"}); err != nil {
		t.Fatalf("find promote: %v", err)
	}
}

func TestVMKillFlagsExist(t *testing.T) {
	root := NewBangerCommand()
	vm, _, err := root.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	kill, _, err := vm.Find([]string{"kill"})
	if err != nil {
		t.Fatalf("find kill: %v", err)
	}
	if kill.Flags().Lookup("signal") == nil {
		t.Fatal("missing signal flag")
	}
}

func TestVMPortsCommandExists(t *testing.T) {
	root := NewBangerCommand()
	vm, _, err := root.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	if _, _, err := vm.Find([]string{"ports"}); err != nil {
		t.Fatalf("find ports: %v", err)
	}
}

func TestVMPortsCommandRejectsMultipleRefs(t *testing.T) {
	cmd := NewBangerCommand()
	cmd.SetArgs([]string{"vm", "ports", "alpha", "beta"})
	err := cmd.Execute()
	if err == nil || !strings.Contains(err.Error(), "usage: banger vm ports <id-or-name>") {
		t.Fatalf("Execute() error = %v, want single-vm usage error", err)
	}
}

func TestVMSetParamsFromFlags(t *testing.T) {
	params, err := vmSetParamsFromFlags("devbox", 4, 2048, "16G", true, false)
	if err != nil {
		t.Fatalf("vmSetParamsFromFlags: %v", err)
	}
	if params.IDOrName != "devbox" || params.VCPUCount == nil || *params.VCPUCount != 4 {
		t.Fatalf("unexpected params: %+v", params)
	}
	if params.MemoryMiB == nil || *params.MemoryMiB != 2048 {
		t.Fatalf("unexpected memory: %+v", params)
	}
	if params.WorkDiskSize != "16G" {
		t.Fatalf("unexpected disk size: %+v", params)
	}
	if params.NATEnabled == nil || !*params.NATEnabled {
		t.Fatalf("unexpected nat value: %+v", params)
	}
}

func TestVMCreateParamsFromFlagsAlwaysPopulatesResolvedValues(t *testing.T) {
	// Post-resolver behavior: the CLI is the single source of truth for
	// effective defaults. Whether or not the user changed a flag, the
	// daemon receives the explicit value so the spec printed to the
	// user matches the VM that gets created.
	cmd := NewBangerCommand()
	vm, _, err := cmd.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	create, _, err := vm.Find([]string{"create"})
	if err != nil {
		t.Fatalf("find create: %v", err)
	}

	params, err := vmCreateParamsFromFlags(
		create,
		"devbox",
		"default",
		3,
		4096,
		"10G",
		"20G",
		false,
		false,
	)
	if err != nil {
		t.Fatalf("vmCreateParamsFromFlags: %v", err)
	}
	if params.VCPUCount == nil || *params.VCPUCount != 3 {
		t.Errorf("VCPUCount = %v, want 3", params.VCPUCount)
	}
	if params.MemoryMiB == nil || *params.MemoryMiB != 4096 {
		t.Errorf("MemoryMiB = %v, want 4096", params.MemoryMiB)
	}
	if params.SystemOverlaySize != "10G" {
		t.Errorf("SystemOverlaySize = %q, want 10G", params.SystemOverlaySize)
	}
	if params.WorkDiskSize != "20G" {
		t.Errorf("WorkDiskSize = %q, want 20G", params.WorkDiskSize)
	}
}

func TestVMCreateParamsFromFlagsRejectsNonPositive(t *testing.T) {
	cmd := NewBangerCommand()
	vm, _, err := cmd.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	create, _, err := vm.Find([]string{"create"})
	if err != nil {
		t.Fatalf("find create: %v", err)
	}

	if _, err := vmCreateParamsFromFlags(create, "x", "", 0, 1024, "8G", "8G", false, false); err == nil {
		t.Error("expected error for vcpu=0")
	}
	if _, err := vmCreateParamsFromFlags(create, "x", "", 2, 0, "8G", "8G", false, false); err == nil {
		t.Error("expected error for memory=0")
	}
}

func TestVMCreateParamsFromFlagsRejectsInvalidName(t *testing.T) {
	cmd := NewBangerCommand()
	vm, _, err := cmd.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	create, _, err := vm.Find([]string{"create"})
	if err != nil {
		t.Fatalf("find create: %v", err)
	}

	// A sampling of failure modes; the exhaustive character-class
	// matrix lives in internal/model/vm_name_test.go. Here we just
	// prove the CLI wires the validator in and surfaces its errors
	// before any RPC call is made.
	cases := []struct {
		name  string
		input string
	}{
		{"space", "my box"},
		{"uppercase", "MyBox"},
		{"dot", "box.vm"},
		{"leading hyphen", "-box"},
		{"newline", "my\nbox"},
	}
	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			if _, err := vmCreateParamsFromFlags(create, tc.input, "", 2, 1024, "8G", "8G", false, false); err == nil {
				t.Fatalf("vmCreateParamsFromFlags(%q) = nil error, want rejection", tc.input)
			}
		})
	}

	// Empty name must STILL be accepted at the CLI layer — the daemon
	// generates one when the flag is unset. Rejecting here would
	// break `banger vm create` with no --name.
	if _, err := vmCreateParamsFromFlags(create, "", "", 2, 1024, "8G", "8G", false, false); err != nil {
		t.Fatalf("vmCreateParamsFromFlags(empty name) = %v, want nil (daemon generates)", err)
	}
}

func TestVMCreateParamsFromFlagsIncludesChangedDiskFlags(t *testing.T) {
	cmd := NewBangerCommand()
	vm, _, err := cmd.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	create, _, err := vm.Find([]string{"create"})
	if err != nil {
		t.Fatalf("find create: %v", err)
	}
	if err := create.Flags().Set("system-overlay-size", "16G"); err != nil {
		t.Fatalf("set system-overlay-size flag: %v", err)
	}
	if err := create.Flags().Set("disk-size", "32G"); err != nil {
		t.Fatalf("set disk-size flag: %v", err)
	}

	params, err := vmCreateParamsFromFlags(create, "devbox", "default", model.DefaultVCPUCount, model.DefaultMemoryMiB, "16G", "32G", false, false)
	if err != nil {
		t.Fatalf("vmCreateParamsFromFlags: %v", err)
	}
	if params.SystemOverlaySize != "16G" || params.WorkDiskSize != "32G" {
		t.Fatalf("expected changed disk flags to be included: %+v", params)
	}
}

func TestVMCreateParamsFromFlagsRejectsNonPositiveCPUAndMemory(t *testing.T) {
	cmd := NewBangerCommand()
	vm, _, err := cmd.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	create, _, err := vm.Find([]string{"create"})
	if err != nil {
		t.Fatalf("find create: %v", err)
	}
	if err := create.Flags().Set("vcpu", "0"); err != nil {
		t.Fatalf("set vcpu flag: %v", err)
	}
	if _, err := vmCreateParamsFromFlags(create, "devbox", "default", 0, 0, "", "", false, false); err == nil || !strings.Contains(err.Error(), "vcpu must be a positive integer") {
		t.Fatalf("vmCreateParamsFromFlags(vcpu=0) error = %v", err)
	}
	if err := create.Flags().Set("memory", "-1"); err != nil {
		t.Fatalf("set memory flag: %v", err)
	}
	if _, err := vmCreateParamsFromFlags(create, "devbox", "default", 1, -1, "", "", false, false); err == nil || !strings.Contains(err.Error(), "memory must be a positive integer") {
		t.Fatalf("vmCreateParamsFromFlags(memory=-1) error = %v", err)
	}
}

func TestRunVMCreatePollsUntilDone(t *testing.T) {
	d := defaultDeps()

	vm := model.VMRecord{
		ID:   "vm-id",
		Name: "devbox",
		Spec: model.VMSpec{WorkDiskSizeBytes: model.DefaultWorkDiskSize},
		Runtime: model.VMRuntime{
			State:   model.VMStateRunning,
			GuestIP: "172.16.0.2",
			DNSName: "devbox.vm",
		},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{
			Operation: api.VMCreateOperation{
				ID:     "op-1",
				Stage:  "prepare_work_disk",
				Detail: "cloning work seed",
			},
		}, nil
	}
	statusCalls := 0
	d.vmCreateStatus = func(context.Context, string, string) (api.VMCreateStatusResult, error) {
		statusCalls++
		if statusCalls == 1 {
			return api.VMCreateStatusResult{
				Operation: api.VMCreateOperation{
					ID:     "op-1",
					Stage:  "wait_vsock_agent",
					Detail: "waiting for guest vsock agent",
				},
			}, nil
		}
		return api.VMCreateStatusResult{
			Operation: api.VMCreateOperation{
				ID:      "op-1",
				Stage:   "ready",
				Detail:  "vm is ready",
				Done:    true,
				Success: true,
				VM:      &vm,
			},
		}, nil
	}
	d.vmCreateCancel = func(context.Context, string, string) error {
		t.Fatal("cancel should not be called")
		return nil
	}

	got, err := d.runVMCreate(context.Background(), "/tmp/bangerd.sock", &bytes.Buffer{}, api.VMCreateParams{Name: "devbox"})
	if err != nil {
		t.Fatalf("d.runVMCreate: %v", err)
	}
	if got.Name != vm.Name || got.Runtime.GuestIP != vm.Runtime.GuestIP {
		t.Fatalf("vm = %+v, want %+v", got, vm)
	}
	if statusCalls != 2 {
		t.Fatalf("statusCalls = %d, want 2", statusCalls)
	}
}

func TestVMCreateProgressRendererSuppressesDuplicateLines(t *testing.T) {
	var stderr bytes.Buffer
	renderer := &vmCreateProgressRenderer{out: &stderr, enabled: true}

	renderer.render(api.VMCreateOperation{Stage: "prepare_work_disk", Detail: "cloning work seed"})
	renderer.render(api.VMCreateOperation{Stage: "prepare_work_disk", Detail: "cloning work seed"})
	renderer.render(api.VMCreateOperation{Stage: "wait_vsock_agent", Detail: "waiting for guest vsock agent"})

	lines := strings.Split(strings.TrimSpace(stderr.String()), "\n")
	if len(lines) != 2 {
		t.Fatalf("rendered lines = %q, want 2 lines", stderr.String())
	}
	if lines[0] != "[vm create] preparing work disk: cloning work seed" {
		t.Fatalf("first line = %q", lines[0])
	}
	if lines[1] != "[vm create] waiting for vsock agent: waiting for guest vsock agent" {
		t.Fatalf("second line = %q", lines[1])
	}
}

func TestVMRunProgressRendererSuppressesDuplicateLines(t *testing.T) {
	var stderr bytes.Buffer
	renderer := newVMRunProgressRenderer(&stderr)

	renderer.render("waiting for guest ssh")
	renderer.render("waiting for guest ssh")
	renderer.render("overlaying host working tree")

	lines := strings.Split(strings.TrimSpace(stderr.String()), "\n")
	if len(lines) != 2 {
		t.Fatalf("rendered lines = %q, want 2 lines", stderr.String())
	}
	if lines[0] != "[vm run] waiting for guest ssh" {
		t.Fatalf("first line = %q", lines[0])
	}
	if lines[1] != "[vm run] overlaying host working tree" {
		t.Fatalf("second line = %q", lines[1])
	}
}

func TestWithHeartbeatNoOpForNonTTY(t *testing.T) {
	var buf bytes.Buffer
	called := false
	err := withHeartbeat(&buf, "image pull", func() error {
		called = true
		return nil
	})
	if err != nil {
		t.Fatalf("withHeartbeat: %v", err)
	}
	if !called {
		t.Fatal("fn should have been called")
	}
	if buf.Len() != 0 {
		t.Fatalf("stderr = %q, want empty for non-TTY", buf.String())
	}
}

func TestWithHeartbeatPropagatesError(t *testing.T) {
	sentinel := errors.New("boom")
	var buf bytes.Buffer
	err := withHeartbeat(&buf, "image pull", func() error { return sentinel })
	if !errors.Is(err, sentinel) {
		t.Fatalf("withHeartbeat error = %v, want %v", err, sentinel)
	}
}

func TestVMSetParamsFromFlagsConflict(t *testing.T) {
	if _, err := vmSetParamsFromFlags("devbox", -1, -1, "", true, true); err == nil {
		t.Fatal("expected nat conflict error")
	}
}

func TestVMSetParamsFromFlagsRejectsNonPositiveCPUAndMemory(t *testing.T) {
	if _, err := vmSetParamsFromFlags("devbox", 0, -1, "", false, false); err == nil || !strings.Contains(err.Error(), "vcpu must be a positive integer") {
		t.Fatalf("vmSetParamsFromFlags(vcpu=0) error = %v", err)
	}
	if _, err := vmSetParamsFromFlags("devbox", -1, 0, "", false, false); err == nil || !strings.Contains(err.Error(), "memory must be a positive integer") {
		t.Fatalf("vmSetParamsFromFlags(memory=0) error = %v", err)
	}
}

func TestAbsolutizeImageRegisterPaths(t *testing.T) {
	tmp := t.TempDir()
	params := api.ImageRegisterParams{
		RootfsPath:   filepath.Join(".", "runtime", "rootfs-void.ext4"),
		WorkSeedPath: filepath.Join(".", "runtime", "rootfs-void.work-seed.ext4"),
		KernelPath:   filepath.Join(".", "runtime", "vmlinux"),
		InitrdPath:   filepath.Join(".", "runtime", "initrd.img"),
		ModulesDir:   filepath.Join(".", "runtime", "modules"),
	}

	wd, err := os.Getwd()
	if err != nil {
		t.Fatalf("Getwd: %v", err)
	}
	if err := os.Chdir(tmp); err != nil {
		t.Fatalf("Chdir(%s): %v", tmp, err)
	}
	t.Cleanup(func() {
		_ = os.Chdir(wd)
	})

	if err := absolutizeImageRegisterPaths(&params); err != nil {
		t.Fatalf("absolutizeImageRegisterPaths: %v", err)
	}
	for _, value := range []string{
		params.RootfsPath,
		params.WorkSeedPath,
		params.KernelPath,
		params.InitrdPath,
		params.ModulesDir,
	} {
		if !filepath.IsAbs(value) {
			t.Fatalf("path %q is not absolute", value)
		}
	}
}

func TestPrintImageListTableShowsRootfsSizes(t *testing.T) {
	rootfs := filepath.Join(t.TempDir(), "rootfs.ext4")
	if err := os.WriteFile(rootfs, nil, 0o644); err != nil {
		t.Fatalf("WriteFile(%s): %v", rootfs, err)
	}
	if err := os.Truncate(rootfs, 8*1024); err != nil {
		t.Fatalf("Truncate(%s): %v", rootfs, err)
	}

	var out bytes.Buffer
	err := printImageListTable(&out, []model.Image{
		{
			ID:         "0123456789abcdef",
			Name:       "alpine",
			Managed:    true,
			RootfsPath: rootfs,
			CreatedAt:  time.Now().Add(-1 * time.Hour),
		},
		{
			ID:         "fedcba9876543210",
			Name:       "missing",
			Managed:    false,
			RootfsPath: filepath.Join(t.TempDir(), "missing.ext4"),
			CreatedAt:  time.Now().Add(-2 * time.Hour),
		},
	})
	if err != nil {
		t.Fatalf("printImageListTable() error = %v", err)
	}

	output := out.String()
	if !strings.Contains(output, "ROOTFS SIZE") {
		t.Fatalf("output = %q, want rootfs size header", output)
	}
	if !strings.Contains(output, "alpine") || !strings.Contains(output, "8K") {
		t.Fatalf("output = %q, want alpine row with 8K size", output)
	}
	if strings.Contains(output, rootfs) {
		t.Fatalf("output = %q, should not include rootfs path", output)
	}
	if !strings.Contains(output, "missing") || !strings.Contains(output, "-") {
		t.Fatalf("output = %q, want fallback size for missing image", output)
	}
}

func TestSelectVMListVMsDefaultsToRunning(t *testing.T) {
	now := time.Now()
	vms := []model.VMRecord{
		{ID: "running-1", State: model.VMStateRunning, CreatedAt: now.Add(-3 * time.Hour)},
		{ID: "stopped-1", State: model.VMStateStopped, CreatedAt: now.Add(-2 * time.Hour)},
		{ID: "running-2", State: model.VMStateRunning, CreatedAt: now.Add(-1 * time.Hour)},
	}
	got := selectVMListVMs(vms, false, false)
	if len(got) != 2 || got[0].ID != "running-1" || got[1].ID != "running-2" {
		t.Fatalf("selectVMListVMs() = %#v, want only running VMs in original order", got)
	}
}

func TestSelectVMListVMsLatestUsesFilteredSet(t *testing.T) {
	now := time.Now()
	vms := []model.VMRecord{
		{ID: "running-old", State: model.VMStateRunning, CreatedAt: now.Add(-3 * time.Hour)},
		{ID: "stopped-new", State: model.VMStateStopped, CreatedAt: now.Add(-30 * time.Minute)},
		{ID: "running-new", State: model.VMStateRunning, CreatedAt: now.Add(-1 * time.Hour)},
	}
	got := selectVMListVMs(vms, false, true)
	if len(got) != 1 || got[0].ID != "running-new" {
		t.Fatalf("selectVMListVMs(default latest) = %#v, want latest running VM", got)
	}
	got = selectVMListVMs(vms, true, true)
	if len(got) != 1 || got[0].ID != "stopped-new" {
		t.Fatalf("selectVMListVMs(all latest) = %#v, want latest VM across all states", got)
	}
}

func TestPrintVMIDListShowsFullIDs(t *testing.T) {
	var out bytes.Buffer
	err := printVMIDList(&out, []model.VMRecord{{ID: "0123456789abcdef0123456789abcdef"}, {ID: "fedcba9876543210fedcba9876543210"}})
	if err != nil {
		t.Fatalf("printVMIDList() error = %v", err)
	}
	lines := strings.Split(strings.TrimSpace(out.String()), "\n")
	want := []string{"0123456789abcdef0123456789abcdef", "fedcba9876543210fedcba9876543210"}
	if !reflect.DeepEqual(lines, want) {
		t.Fatalf("lines = %v, want %v", lines, want)
	}
}

func TestPrintVMListTableShowsImageNames(t *testing.T) {
	var out bytes.Buffer
	err := printVMListTable(&out, []model.VMRecord{
		{
			ID:        "0123456789abcdef",
			Name:      "alp-fast",
			ImageID:   "image-alpine-123456",
			State:     model.VMStateRunning,
			CreatedAt: time.Now().Add(-1 * time.Hour),
			Spec: model.VMSpec{
				VCPUCount:         2,
				MemoryMiB:         model.DefaultMemoryMiB,
				WorkDiskSizeBytes: model.DefaultWorkDiskSize,
			},
			Runtime: model.VMRuntime{GuestIP: "172.16.0.4"},
		},
		{
			ID:        "fedcba9876543210",
			Name:      "mystery",
			ImageID:   "abcdef1234567890",
			State:     model.VMStateStopped,
			CreatedAt: time.Now().Add(-2 * time.Hour),
			Spec: model.VMSpec{
				VCPUCount:         1,
				MemoryMiB:         512,
				WorkDiskSizeBytes: 4 * 1024 * 1024 * 1024,
			},
		},
	}, map[string]string{
		"image-alpine-123456": "alpine",
	})
	if err != nil {
		t.Fatalf("printVMListTable() error = %v", err)
	}

	output := out.String()
	if !strings.Contains(output, "IMAGE") || !strings.Contains(output, "MEM") {
		t.Fatalf("output = %q, want vm list headers", output)
	}
	if !strings.Contains(output, "alp-fast") || !strings.Contains(output, "alpine") {
		t.Fatalf("output = %q, want resolved image name", output)
	}
	if strings.Contains(output, "image-alpine-123456") {
		t.Fatalf("output = %q, should not include full image id when name is known", output)
	}
	if !strings.Contains(output, shortID("abcdef1234567890")) {
		t.Fatalf("output = %q, want short image id fallback", output)
	}
	if !strings.Contains(output, fmt.Sprintf("%d MiB", model.DefaultMemoryMiB)) {
		t.Fatalf("output = %q, want updated default memory display", output)
	}
}

func TestPrintVMPortsTableSortsAndRendersURLEndpoints(t *testing.T) {
	result := api.VMPortsResult{
		Name: "alpha",
		Ports: []api.VMPort{
			{
				Proto:    "https",
				Port:     443,
				Endpoint: "https://alpha.vm:443/",
				Process:  "caddy",
				Command:  "caddy run",
			},
			{
				Proto:    "udp",
				Port:     53,
				Endpoint: "alpha.vm:53",
				Process:  "dnsd",
				Command:  "dnsd --foreground",
			},
		},
	}

	var out bytes.Buffer
	if err := printVMPortsTable(&out, result); err != nil {
		t.Fatalf("printVMPortsTable: %v", err)
	}
	lines := strings.Split(strings.TrimSpace(out.String()), "\n")
	if len(lines) != 3 {
		t.Fatalf("lines = %q, want header + 2 rows", lines)
	}
	if !strings.Contains(lines[0], "PROTO") || !strings.Contains(lines[0], "ENDPOINT") || strings.Contains(lines[0], "VM") || strings.Contains(lines[0], "WEB") {
		t.Fatalf("header = %q, want PROTO/ENDPOINT without VM/WEB", lines[0])
	}
	if !strings.Contains(lines[1], "https") || !strings.Contains(lines[1], "https://alpha.vm:443/") {
		t.Fatalf("first row = %q, want https endpoint row", lines[1])
	}
	if !strings.Contains(lines[2], "udp") || !strings.Contains(lines[2], "alpha.vm:53") {
		t.Fatalf("second row = %q, want udp endpoint row", lines[2])
	}
}

func TestRunSSHSessionPrintsReminderWhenHealthCheckPasses(t *testing.T) {
	d := defaultDeps()

	d.sshExec = func(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, args []string) error {
		return nil
	}
	d.vmHealth = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
		return api.VMHealthResult{Name: "devbox", Healthy: true}, nil
	}

	var stderr bytes.Buffer
	if err := d.runSSHSession(context.Background(), "/tmp/bangerd.sock", "devbox", strings.NewReader(""), &bytes.Buffer{}, &stderr, []string{"root@127.0.0.1"}, false); err != nil {
		t.Fatalf("d.runSSHSession: %v", err)
	}
	if !strings.Contains(stderr.String(), "devbox is still running") {
		t.Fatalf("stderr = %q, want reminder", stderr.String())
	}
}

func TestRunSSHSessionPreservesSSHExitStatusOnHealthWarning(t *testing.T) {
	d := defaultDeps()

	d.sshExec = func(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, args []string) error {
		return exitErrorWithCode(t, 1)
	}
	d.vmHealth = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
		return api.VMHealthResult{}, errors.New("dial failed")
	}

	var stderr bytes.Buffer
	err := d.runSSHSession(context.Background(), "/tmp/bangerd.sock", "devbox", strings.NewReader(""), &bytes.Buffer{}, &stderr, []string{"root@127.0.0.1"}, false)
	var exitErr *exec.ExitError
	if !errors.As(err, &exitErr) {
		t.Fatalf("d.runSSHSession error = %v, want exit error", err)
	}
	if !strings.Contains(stderr.String(), "failed to check whether devbox is still running") {
		t.Fatalf("stderr = %q, want warning", stderr.String())
	}
}

func TestRunSSHSessionSkipsReminderOnSSHAuthFailure(t *testing.T) {
	d := defaultDeps()

	healthCalled := false
	d.sshExec = func(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, args []string) error {
		return exitErrorWithCode(t, 255)
	}
	d.vmHealth = func(ctx context.Context, socketPath, idOrName string) (api.VMHealthResult, error) {
		healthCalled = true
		return api.VMHealthResult{Name: "devbox", Healthy: true}, nil
	}

	var stderr bytes.Buffer
	err := d.runSSHSession(context.Background(), "/tmp/bangerd.sock", "devbox", strings.NewReader(""), &bytes.Buffer{}, &stderr, []string{"root@127.0.0.1"}, false)
	var exitErr *exec.ExitError
	if !errors.As(err, &exitErr) || exitErr.ExitCode() != 255 {
		t.Fatalf("d.runSSHSession error = %v, want exit 255", err)
	}
	if healthCalled {
		t.Fatal("vm health should not run after ssh auth failure")
	}
	if strings.Contains(stderr.String(), "still running") {
		t.Fatalf("stderr = %q, should not contain reminder", stderr.String())
	}
}

func TestResolveVMTargetsDeduplicatesAndReportsErrors(t *testing.T) {
	vms := []model.VMRecord{
		testCLIResolvedVM("alpha-id", "alpha"),
		testCLIResolvedVM("alpine-id", "alpine"),
		testCLIResolvedVM("bravo-id", "bravo"),
	}

	targets, errs := resolveVMTargets(vms, []string{"alpha", "alpha-id", "al", "missing", "br"})

	if len(targets) != 2 {
		t.Fatalf("len(targets) = %d, want 2", len(targets))
	}
	if targets[0].VM.ID != "alpha-id" || targets[0].Ref != "alpha" {
		t.Fatalf("targets[0] = %+v, want alpha target", targets[0])
	}
	if targets[1].VM.ID != "bravo-id" || targets[1].Ref != "br" {
		t.Fatalf("targets[1] = %+v, want bravo target", targets[1])
	}
	if len(errs) != 2 {
		t.Fatalf("len(errs) = %d, want 2", len(errs))
	}
	if errs[0].Ref != "al" || !strings.Contains(errs[0].Err.Error(), "multiple VMs match") {
		t.Fatalf("errs[0] = %+v, want ambiguous prefix", errs[0])
	}
	if errs[1].Ref != "missing" || !strings.Contains(errs[1].Err.Error(), `vm "missing" not found`) {
		t.Fatalf("errs[1] = %+v, want missing vm", errs[1])
	}
}

func TestResolveVMRefPrefersExactMatchBeforePrefix(t *testing.T) {
	vms := []model.VMRecord{
		testCLIResolvedVM("1111111111111111111111111111111111111111111111111111111111111111", "alpha"),
		testCLIResolvedVM("alpha222222222222222222222222222222222222222222222222222222222222", "bravo"),
	}

	vm, err := resolveVMRef(vms, "alpha")
	if err != nil {
		t.Fatalf("resolveVMRef(alpha): %v", err)
	}
	if vm.Name != "alpha" {
		t.Fatalf("resolveVMRef(alpha) = %+v, want exact-name vm", vm)
	}
}

func TestExecuteVMActionBatchRunsConcurrentlyAndPreservesOrder(t *testing.T) {
	targets := []resolvedVMTarget{
		{Ref: "alpha", VM: testCLIResolvedVM("alpha-id", "alpha")},
		{Ref: "bravo", VM: testCLIResolvedVM("bravo-id", "bravo")},
	}

	started := make(chan string, len(targets))
	release := make(chan struct{})
	done := make(chan []vmBatchActionResult, 1)
	go func() {
		done <- executeVMActionBatch(context.Background(), targets, func(ctx context.Context, id string) (model.VMRecord, error) {
			started <- id
			<-release
			return model.VMRecord{ID: id, Name: id}, nil
		})
	}()

	for range targets {
		select {
		case <-started:
		case <-time.After(500 * time.Millisecond):
			t.Fatal("batch actions did not overlap")
		}
	}

	close(release)

	var results []vmBatchActionResult
	select {
	case results = <-done:
	case <-time.After(500 * time.Millisecond):
		t.Fatal("executeVMActionBatch did not finish")
	}

	if len(results) != len(targets) {
		t.Fatalf("len(results) = %d, want %d", len(results), len(targets))
	}
	for index, result := range results {
		if result.Target.Ref != targets[index].Ref {
			t.Fatalf("results[%d].Target.Ref = %q, want %q", index, result.Target.Ref, targets[index].Ref)
		}
		if result.VM.ID != targets[index].VM.ID {
			t.Fatalf("results[%d].VM.ID = %q, want %q", index, result.VM.ID, targets[index].VM.ID)
		}
	}
}

func TestSSHCommandArgs(t *testing.T) {
	// sshCommandArgs wires banger's own known_hosts into the shell
	// SSH invocation — never /dev/null. Assert the shape and the
	// posture rather than the exact path (which is host-XDG-derived).
	args, err := sshCommandArgs(model.DaemonConfig{SSHKeyPath: "/bundle/id_ed25519"}, "172.16.0.2", []string{"--", "uname", "-a"})
	if err != nil {
		t.Fatalf("sshCommandArgs: %v", err)
	}

	wantSubstrings := []string{
		"-F", "/dev/null",
		"-i", "/bundle/id_ed25519",
		"-o", "IdentitiesOnly=yes",
		"-o", "PasswordAuthentication=no",
		"-o", "KbdInteractiveAuthentication=no",
		"root@172.16.0.2",
	}
	for _, s := range wantSubstrings {
		found := false
		for _, a := range args {
			if a == s {
				found = true
				break
			}
		}
		if !found {
			t.Errorf("args missing %q: %v", s, args)
		}
	}

	// The trailing argument is the user's command, shell-quoted and
	// joined so ssh(1)'s space-concatenation produces the exact argv
	// the user typed on the remote shell. Without this, multi-word
	// args like `sh -c 'exit 42'` re-tokenise on the remote and lose
	// exit codes.
	if got, want := args[len(args)-1], `'--' 'uname' '-a'`; got != want {
		t.Errorf("trailing arg = %q, want %q (ssh needs a single shell-quoted string)", got, want)
	}

	// Host-key verification posture: accept-new + a real path into
	// banger state, not /dev/null.
	joined := strings.Join(args, " ")
	if !strings.Contains(joined, "StrictHostKeyChecking=accept-new") {
		t.Errorf("args missing accept-new posture: %v", args)
	}
	if strings.Contains(joined, "UserKnownHostsFile=/dev/null") {
		t.Errorf("args leaked UserKnownHostsFile=/dev/null: %v", args)
	}
	if strings.Contains(joined, "StrictHostKeyChecking=no") {
		t.Errorf("args leaked StrictHostKeyChecking=no: %v", args)
	}
	// Must reference a known_hosts file ending in "known_hosts".
	sawKnownHosts := false
	for _, a := range args {
		if strings.HasPrefix(a, "UserKnownHostsFile=") && strings.HasSuffix(a, "known_hosts") {
			sawKnownHosts = true
		}
	}
	if !sawKnownHosts {
		t.Errorf("args missing UserKnownHostsFile=<banger known_hosts>: %v", args)
	}
}

func TestValidateSSHPrereqs(t *testing.T) {
	dir := t.TempDir()
	keyPath := filepath.Join(dir, "id_ed25519")
	if err := os.WriteFile(keyPath, []byte("key"), 0o600); err != nil {
		t.Fatalf("write key: %v", err)
	}

	if err := validateSSHPrereqs(model.DaemonConfig{SSHKeyPath: keyPath}); err != nil {
		t.Fatalf("validateSSHPrereqs: %v", err)
	}
}

func exitErrorWithCode(t *testing.T, code int) *exec.ExitError {
	t.Helper()
	cmd := exec.Command("bash", "-lc", fmt.Sprintf("exit %d", code))
	err := cmd.Run()
	var exitErr *exec.ExitError
	if !errors.As(err, &exitErr) {
		t.Fatalf("exitErrorWithCode(%d) error = %v, want exit error", code, err)
	}
	return exitErr
}

func TestValidateSSHPrereqsFailsForMissingKey(t *testing.T) {
	err := validateSSHPrereqs(model.DaemonConfig{SSHKeyPath: "/does/not/exist"})
	if err == nil || !strings.Contains(err.Error(), "ssh private key") {
		t.Fatalf("validateSSHPrereqs() error = %v, want missing key", err)
	}
}

// CLI-side git inspection moved to internal/daemon/workspace; the
// CLI now runs only a minimal preflight. Those tests live in the
// workspace package. What we still guard here is the preflight
// policy: reject submodules before the VM is created so the user
// gets a fast error instead of an orphaned VM.

func TestVMRunPreflightRejectsSubmodules(t *testing.T) {
	d := defaultDeps()
	repoRoot := t.TempDir()

	// Stub the CLI's repo-inspector with a scripted runner. Per-deps
	// injection keeps this test free of package globals, so t.Parallel
	// is safe to add here in the future without racing another test's
	// fake runner.
	d.repoInspector = &workspace.Inspector{
		Runner: func(ctx context.Context, name string, args ...string) ([]byte, error) {
			t.Helper()
			if name != "git" {
				t.Fatalf("command = %q, want git", name)
			}
			switch {
			case reflect.DeepEqual(args, []string{"-C", repoRoot, "rev-parse", "--show-toplevel"}):
				return []byte(repoRoot + "\n"), nil
			case reflect.DeepEqual(args, []string{"-C", repoRoot, "rev-parse", "--is-bare-repository"}):
				return []byte("false\n"), nil
			case reflect.DeepEqual(args, []string{"-C", repoRoot, "ls-files", "--stage", "-z"}):
				return []byte("160000 deadbeef 0\tvendor/submodule\x00"), nil
			default:
				t.Fatalf("unexpected git args: %v", args)
				return nil, nil
			}
		},
	}

	_, err := d.vmRunPreflightRepo(context.Background(), repoRoot)
	if err == nil || !strings.Contains(err.Error(), "submodules") {
		t.Fatalf("d.vmRunPreflightRepo() error = %v, want submodule rejection", err)
	}
}

func TestRunVMRunWorkspacePreparesAndAttaches(t *testing.T) {
	d := defaultDeps()
	repoRoot := t.TempDir()

	vm := model.VMRecord{
		ID:   "vm-id",
		Name: "devbox",
		Runtime: model.VMRuntime{
			State:   model.VMStateRunning,
			GuestIP: "172.16.0.2",
			DNSName: "devbox.vm",
		},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{
			Operation: api.VMCreateOperation{
				ID: "op-1", Stage: "ready", Detail: "vm is ready",
				Done: true, Success: true, VM: &vm,
			},
		}, nil
	}
	d.vmCreateStatus = func(context.Context, string, string) (api.VMCreateStatusResult, error) {
		t.Fatal("d.vmCreateStatus should not be called")
		return api.VMCreateStatusResult{}, nil
	}
	d.vmCreateCancel = func(context.Context, string, string) error {
		t.Fatal("d.vmCreateCancel should not be called")
		return nil
	}

	fakeClient := &testVMRunGuestClient{}
	d.guestWaitForSSH = func(ctx context.Context, address, privateKeyPath string, interval time.Duration) error {
		return nil
	}
	d.guestDial = func(ctx context.Context, address, privateKeyPath string) (vmRunGuestClient, error) {
		return fakeClient, nil
	}
	var workspaceParams api.VMWorkspacePrepareParams
	d.vmWorkspacePrepare = func(ctx context.Context, socketPath string, params api.VMWorkspacePrepareParams) (api.VMWorkspacePrepareResult, error) {
		workspaceParams = params
		return api.VMWorkspacePrepareResult{Workspace: model.WorkspacePrepareResult{VMID: vm.ID, GuestPath: "/root/repo", RepoName: "repo", RepoRoot: "/tmp/repo"}}, nil
	}
	d.buildVMRunToolingPlan = func(context.Context, string) toolingplan.Plan {
		return toolingplan.Plan{
			RepoManagedTools: []string{"go"},
			Steps:            []toolingplan.InstallStep{{Tool: "go", Version: "1.25.0", Source: "go.mod"}},
		}
	}
	var sshArgsSeen []string
	d.sshExec = func(ctx context.Context, stdin io.Reader, stdout, stderr io.Writer, args []string) error {
		sshArgsSeen = args
		return nil
	}
	d.vmHealth = func(context.Context, string, string) (api.VMHealthResult, error) {
		return api.VMHealthResult{Name: "devbox", Healthy: false}, nil
	}

	repo := vmRunRepo{sourcePath: repoRoot}
	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "devbox"},
		&repo,
		nil,
		false,
	)
	if err != nil {
		t.Fatalf("d.runVMRun: %v", err)
	}
	if workspaceParams.IDOrName != "devbox" || workspaceParams.SourcePath != repoRoot {
		t.Fatalf("workspaceParams = %+v", workspaceParams)
	}
	if len(fakeClient.uploads) != 1 {
		t.Fatalf("uploads = %d, want tooling harness upload", len(fakeClient.uploads))
	}
	if !fakeClient.closed {
		t.Fatal("guest client should be closed after tooling bootstrap")
	}
	if len(sshArgsSeen) == 0 || sshArgsSeen[len(sshArgsSeen)-1] != "root@172.16.0.2" {
		t.Fatalf("sshArgsSeen = %v, want interactive ssh to 172.16.0.2 (no trailing command)", sshArgsSeen)
	}
	if got := stdout.String(); strings.Contains(got, "VM ready.") {
		t.Fatalf("stdout = %q, want no next-steps block", got)
	}
}

func TestVMRunPrintsPostCreateProgress(t *testing.T) {
	d := defaultDeps()

	vm := model.VMRecord{
		ID:   "vm-id",
		Name: "devbox",
		Runtime: model.VMRuntime{
			State:   model.VMStateRunning,
			GuestIP: "172.16.0.2",
		},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{
			Operation: api.VMCreateOperation{
				ID: "op-1", Stage: "ready", Detail: "vm is ready",
				Done: true, Success: true, VM: &vm,
			},
		}, nil
	}
	d.vmCreateStatus = func(context.Context, string, string) (api.VMCreateStatusResult, error) {
		t.Fatal("d.vmCreateStatus should not be called")
		return api.VMCreateStatusResult{}, nil
	}
	d.vmCreateCancel = func(context.Context, string, string) error {
		t.Fatal("d.vmCreateCancel should not be called")
		return nil
	}
	d.guestWaitForSSH = func(ctx context.Context, address, privateKeyPath string, interval time.Duration) error {
		return nil
	}
	d.guestDial = func(ctx context.Context, address, privateKeyPath string) (vmRunGuestClient, error) {
		return &testVMRunGuestClient{}, nil
	}
	d.vmWorkspacePrepare = func(ctx context.Context, socketPath string, params api.VMWorkspacePrepareParams) (api.VMWorkspacePrepareResult, error) {
		return api.VMWorkspacePrepareResult{Workspace: model.WorkspacePrepareResult{VMID: vm.ID, GuestPath: "/root/repo", RepoName: "repo", RepoRoot: "/tmp/repo"}}, nil
	}
	d.sshExec = func(context.Context, io.Reader, io.Writer, io.Writer, []string) error {
		return nil
	}
	d.vmHealth = func(context.Context, string, string) (api.VMHealthResult, error) {
		return api.VMHealthResult{Name: "devbox", Healthy: false}, nil
	}

	repo := vmRunRepo{sourcePath: t.TempDir()}
	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "devbox"},
		&repo,
		nil,
		false,
	)
	if err != nil {
		t.Fatalf("d.runVMRun: %v", err)
	}

	output := stderr.String()
	for _, want := range []string{
		"[vm run] waiting for guest ssh",
		"[vm run] preparing guest workspace",
		"[vm run] starting guest tooling bootstrap",
		"[vm run] guest tooling log: /root/.cache/banger/vm-run-tooling-repo.log",
		"[vm run] attaching to guest",
	} {
		if !strings.Contains(output, want) {
			t.Fatalf("stderr = %q, want %q", output, want)
		}
	}
	if strings.Contains(output, "[vm run] printing next steps") {
		t.Fatalf("stderr = %q, should not print next-steps progress", output)
	}
}

func TestRunVMRunWarnsWhenToolingHarnessStartFails(t *testing.T) {
	d := defaultDeps()

	vm := model.VMRecord{
		ID:   "vm-id",
		Name: "devbox",
		Runtime: model.VMRuntime{
			State:   model.VMStateRunning,
			GuestIP: "172.16.0.2",
		},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{Operation: api.VMCreateOperation{ID: "op-1", Stage: "ready", Detail: "vm is ready", Done: true, Success: true, VM: &vm}}, nil
	}
	d.vmCreateStatus = func(context.Context, string, string) (api.VMCreateStatusResult, error) {
		t.Fatal("d.vmCreateStatus should not be called")
		return api.VMCreateStatusResult{}, nil
	}
	d.vmCreateCancel = func(context.Context, string, string) error {
		t.Fatal("d.vmCreateCancel should not be called")
		return nil
	}
	d.guestWaitForSSH = func(ctx context.Context, address, privateKeyPath string, interval time.Duration) error {
		return nil
	}
	fakeClient := &testVMRunGuestClient{launchErr: errors.New("launch failed")}
	d.guestDial = func(ctx context.Context, address, privateKeyPath string) (vmRunGuestClient, error) {
		return fakeClient, nil
	}
	d.vmWorkspacePrepare = func(ctx context.Context, socketPath string, params api.VMWorkspacePrepareParams) (api.VMWorkspacePrepareResult, error) {
		return api.VMWorkspacePrepareResult{Workspace: model.WorkspacePrepareResult{VMID: vm.ID, GuestPath: "/root/repo", RepoName: "repo", RepoRoot: "/tmp/repo"}}, nil
	}
	sshExecCalls := 0
	d.sshExec = func(context.Context, io.Reader, io.Writer, io.Writer, []string) error {
		sshExecCalls++
		return nil
	}
	d.vmHealth = func(context.Context, string, string) (api.VMHealthResult, error) {
		return api.VMHealthResult{Healthy: false}, nil
	}

	repo := vmRunRepo{sourcePath: t.TempDir()}
	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "devbox"},
		&repo,
		nil,
		false,
	)
	if err != nil {
		t.Fatalf("d.runVMRun: %v", err)
	}
	if !strings.Contains(stderr.String(), "[vm run] warning: guest tooling bootstrap start failed: launch guest tooling bootstrap") {
		t.Fatalf("stderr = %q, want tooling bootstrap warning", stderr.String())
	}
	if sshExecCalls != 1 {
		t.Fatalf("sshExec calls = %d, want 1 (interactive attach still runs)", sshExecCalls)
	}
}

func TestRunVMRunBareModeSkipsWorkspaceAndTooling(t *testing.T) {
	d := defaultDeps()

	vm := model.VMRecord{
		ID: "vm-id", Name: "bare",
		Runtime: model.VMRuntime{State: model.VMStateRunning, GuestIP: "172.16.0.2"},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{Operation: api.VMCreateOperation{ID: "op-1", Stage: "ready", Done: true, Success: true, VM: &vm}}, nil
	}
	d.guestWaitForSSH = func(context.Context, string, string, time.Duration) error { return nil }
	d.guestDial = func(context.Context, string, string) (vmRunGuestClient, error) {
		t.Fatal("d.guestDial should not be called in bare mode")
		return nil, nil
	}
	d.vmWorkspacePrepare = func(context.Context, string, api.VMWorkspacePrepareParams) (api.VMWorkspacePrepareResult, error) {
		t.Fatal("d.vmWorkspacePrepare should not be called in bare mode")
		return api.VMWorkspacePrepareResult{}, nil
	}
	sshExecCalls := 0
	d.sshExec = func(context.Context, io.Reader, io.Writer, io.Writer, []string) error {
		sshExecCalls++
		return nil
	}
	d.vmHealth = func(context.Context, string, string) (api.VMHealthResult, error) {
		return api.VMHealthResult{Healthy: false}, nil
	}

	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "bare"},
		nil,
		nil,
		false,
	)
	if err != nil {
		t.Fatalf("d.runVMRun: %v", err)
	}
	if sshExecCalls != 1 {
		t.Fatalf("sshExec calls = %d, want 1", sshExecCalls)
	}
	if !strings.Contains(stderr.String(), "[vm run] attaching to guest") {
		t.Fatalf("stderr = %q, want attach progress", stderr.String())
	}
}

func TestRunVMRunRMDeletesAfterSessionExits(t *testing.T) {
	d := defaultDeps()

	vm := model.VMRecord{
		ID: "vm-id", Name: "tmpbox",
		Runtime: model.VMRuntime{State: model.VMStateRunning, GuestIP: "172.16.0.2"},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{Operation: api.VMCreateOperation{ID: "op-1", Stage: "ready", Done: true, Success: true, VM: &vm}}, nil
	}
	d.guestWaitForSSH = func(context.Context, string, string, time.Duration) error { return nil }
	d.sshExec = func(context.Context, io.Reader, io.Writer, io.Writer, []string) error { return nil }
	d.vmHealth = func(context.Context, string, string) (api.VMHealthResult, error) {
		return api.VMHealthResult{Healthy: false}, nil
	}
	deletedRef := ""
	d.vmDelete = func(_ context.Context, _, idOrName string) error {
		deletedRef = idOrName
		return nil
	}

	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "tmpbox"},
		nil,
		nil,
		true, // --rm
	)
	if err != nil {
		t.Fatalf("d.runVMRun: %v", err)
	}
	if deletedRef != "tmpbox" {
		t.Fatalf("deletedRef = %q, want tmpbox", deletedRef)
	}
	// The "VM is still running" reminder would be misleading when
	// the VM is about to be deleted; it must be suppressed.
	if strings.Contains(stderr.String(), "is still running") {
		t.Fatalf("stderr = %q, should not print still-running reminder under --rm", stderr.String())
	}
}

func TestRunVMRunRMSkipsDeleteOnSSHWaitTimeout(t *testing.T) {
	d := defaultDeps()
	origTimeout := vmRunSSHTimeout
	vmRunSSHTimeout = 50 * time.Millisecond
	t.Cleanup(func() {
		vmRunSSHTimeout = origTimeout
	})

	vm := model.VMRecord{
		ID: "vm-id", Name: "slowvm",
		Runtime: model.VMRuntime{State: model.VMStateRunning, GuestIP: "172.16.0.2"},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{Operation: api.VMCreateOperation{ID: "op-1", Stage: "ready", Done: true, Success: true, VM: &vm}}, nil
	}
	d.guestWaitForSSH = func(ctx context.Context, _, _ string, _ time.Duration) error {
		<-ctx.Done()
		return ctx.Err()
	}
	deleteCalled := false
	d.vmDelete = func(context.Context, string, string) error {
		deleteCalled = true
		return nil
	}

	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "slowvm"},
		nil,
		nil,
		true, // --rm
	)
	if err == nil {
		t.Fatal("want timeout error")
	}
	if deleteCalled {
		t.Fatal("VM should NOT be deleted on ssh-wait timeout even with --rm (keep for debugging)")
	}
}

func TestRunVMRunSSHTimeoutReturnsActionableError(t *testing.T) {
	d := defaultDeps()
	origTimeout := vmRunSSHTimeout
	vmRunSSHTimeout = 50 * time.Millisecond
	t.Cleanup(func() {
		vmRunSSHTimeout = origTimeout
	})

	vm := model.VMRecord{
		ID: "vm-id", Name: "slowvm",
		Runtime: model.VMRuntime{State: model.VMStateRunning, GuestIP: "172.16.0.2"},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{Operation: api.VMCreateOperation{ID: "op-1", Stage: "ready", Done: true, Success: true, VM: &vm}}, nil
	}
	// Simulate the guest never bringing sshd up — the wait-for-ssh
	// child context fires its deadline, returning a DeadlineExceeded.
	d.guestWaitForSSH = func(ctx context.Context, _, _ string, _ time.Duration) error {
		<-ctx.Done()
		return ctx.Err()
	}

	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "slowvm"},
		nil,
		nil,
		false,
	)
	if err == nil {
		t.Fatal("want timeout error")
	}
	msg := err.Error()
	for _, want := range []string{
		"slowvm",
		"did not come up",
		"banger vm logs slowvm",
		"banger vm delete slowvm",
	} {
		if !strings.Contains(msg, want) {
			t.Fatalf("err = %q, want contains %q", msg, want)
		}
	}
}

func TestRunVMRunCommandModePropagatesExitCode(t *testing.T) {
	d := defaultDeps()

	vm := model.VMRecord{
		ID: "vm-id", Name: "cmdbox",
		Runtime: model.VMRuntime{State: model.VMStateRunning, GuestIP: "172.16.0.2"},
	}
	d.vmCreateBegin = func(context.Context, string, api.VMCreateParams) (api.VMCreateBeginResult, error) {
		return api.VMCreateBeginResult{Operation: api.VMCreateOperation{ID: "op-1", Stage: "ready", Done: true, Success: true, VM: &vm}}, nil
	}
	d.guestWaitForSSH = func(context.Context, string, string, time.Duration) error { return nil }
	d.vmWorkspacePrepare = func(context.Context, string, api.VMWorkspacePrepareParams) (api.VMWorkspacePrepareResult, error) {
		t.Fatal("workspace prepare should not run without spec")
		return api.VMWorkspacePrepareResult{}, nil
	}
	var sshArgsSeen []string
	d.sshExec = func(_ context.Context, _ io.Reader, _, _ io.Writer, args []string) error {
		sshArgsSeen = args
		return exitErrorWithCode(t, 7)
	}

	var stdout, stderr bytes.Buffer
	err := d.runVMRun(
		context.Background(),
		"/tmp/bangerd.sock",
		model.DaemonConfig{SSHKeyPath: "/tmp/id_ed25519"},
		strings.NewReader(""),
		&stdout, &stderr,
		api.VMCreateParams{Name: "cmdbox"},
		nil,
		[]string{"false"},
		false,
	)
	var exitErr ExitCodeError
	if !errors.As(err, &exitErr) || exitErr.Code != 7 {
		t.Fatalf("d.runVMRun error = %v, want ExitCodeError{7}", err)
	}
	if len(sshArgsSeen) == 0 || sshArgsSeen[len(sshArgsSeen)-1] != "'false'" {
		t.Fatalf("sshArgsSeen = %v, want trailing shell-quoted command 'false'", sshArgsSeen)
	}
	if !strings.Contains(stderr.String(), "[vm run] running command in guest") {
		t.Fatalf("stderr = %q, want command progress", stderr.String())
	}
}

func TestVMRunCommandRejectsBranchWithoutPath(t *testing.T) {
	cmd := NewBangerCommand()
	cmd.SetArgs([]string{"vm", "run", "--branch", "feat"})
	cmd.SetOut(&bytes.Buffer{})
	cmd.SetErr(&bytes.Buffer{})
	err := cmd.Execute()
	if err == nil || !strings.Contains(err.Error(), "--branch requires a path") {
		t.Fatalf("Execute() error = %v, want --branch requires a path", err)
	}
}

func TestSplitVMRunArgsPartitionsOnDash(t *testing.T) {
	cases := []struct {
		name     string
		argv     []string
		wantPath []string
		wantCmd  []string
	}{
		{"empty", []string{}, []string{}, nil},
		{"path only", []string{"./repo"}, []string{"./repo"}, nil},
		{"cmd only", []string{"--", "make", "test"}, []string{}, []string{"make", "test"}},
		{"path and cmd", []string{"./repo", "--", "ls"}, []string{"./repo"}, []string{"ls"}},
	}
	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			// Parse through cobra so ArgsLenAtDash is populated.
			var seenPath, seenCmd []string
			root := &cobra.Command{Use: "root"}
			run := &cobra.Command{
				Use:  "run",
				Args: cobra.ArbitraryArgs,
				RunE: func(cmd *cobra.Command, args []string) error {
					seenPath, seenCmd = splitVMRunArgs(cmd, args)
					return nil
				},
			}
			root.AddCommand(run)
			root.SetArgs(append([]string{"run"}, tc.argv...))
			root.SetOut(&bytes.Buffer{})
			root.SetErr(&bytes.Buffer{})
			if err := root.Execute(); err != nil {
				t.Fatalf("execute: %v", err)
			}
			if len(seenPath) != len(tc.wantPath) {
				t.Fatalf("path = %v, want %v", seenPath, tc.wantPath)
			}
			for i := range seenPath {
				if seenPath[i] != tc.wantPath[i] {
					t.Fatalf("path = %v, want %v", seenPath, tc.wantPath)
				}
			}
			if len(seenCmd) != len(tc.wantCmd) {
				t.Fatalf("cmd = %v, want %v", seenCmd, tc.wantCmd)
			}
			for i := range seenCmd {
				if seenCmd[i] != tc.wantCmd[i] {
					t.Fatalf("cmd = %v, want %v", seenCmd, tc.wantCmd)
				}
			}
		})
	}
}

func TestVMRunToolingHarnessScriptUsesMiseOnly(t *testing.T) {
	script := vmRunToolingHarnessScript(toolingplan.Plan{
		RepoManagedTools: []string{"node"},
		Steps:            []toolingplan.InstallStep{{Tool: "go", Version: "1.25.0", Source: "go.mod"}},
		Skips:            []toolingplan.SkipNote{{Target: "python", Reason: "no .python-version"}},
	})

	for _, want := range []string{
		`repo-managed mise tools: node`,
		`run_best_effort "$MISE_BIN" install`,
		`run_bounded_best_effort "$INSTALL_TIMEOUT_SECS" "$MISE_BIN" use -g --pin 'go@1.25.0'`,
		`deterministic skip: python (no .python-version)`,
		`run_best_effort "$MISE_BIN" reshim`,
	} {
		if !strings.Contains(script, want) {
			t.Fatalf("script = %q, want %q", script, want)
		}
	}
	for _, unwanted := range []string{`opencode run`, `PROMPT_FILE=`, `--format json`, `mimo-v2-pro-free`} {
		if strings.Contains(script, unwanted) {
			t.Fatalf("script = %q, want no %q", script, unwanted)
		}
	}
}

func TestVMRunGuestDirIsFixed(t *testing.T) {
	if got := vmRunGuestDir(); got != "/root/repo" {
		t.Fatalf("vmRunGuestDir() = %q, want /root/repo", got)
	}
}

func TestNewBangerdCommandRejectsArgs(t *testing.T) {
	cmd := NewBangerdCommand()
	cmd.SetArgs([]string{"extra"})
	if err := cmd.Execute(); err == nil {
		t.Fatal("expected extra args to be rejected")
	}
}

func TestDaemonStatusIncludesLogPathWhenStopped(t *testing.T) {
	cmd := NewBangerCommand()
	var stdout bytes.Buffer
	cmd.SetOut(&stdout)
	cmd.SetErr(&stdout)
	cmd.SetArgs([]string{"daemon", "status"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}

	output := stdout.String()
	for _, want := range []string{
		"service: bangerd.service",
		"socket: /run/banger/bangerd.sock",
		"log: journalctl -u bangerd.service",
	} {
		if !strings.Contains(output, want) {
			t.Fatalf("output = %q, want %q", output, want)
		}
	}
}

func TestDaemonStatusIncludesDaemonBuildInfoWhenRunning(t *testing.T) {
	d := defaultDeps()

	d.daemonPing = func(context.Context, string) (api.PingResult, error) {
		return api.PingResult{
			Status:  "ok",
			PID:     42,
			Version: "v1.2.3",
			Commit:  "abc123",
			BuiltAt: "2026-03-22T12:00:00Z",
		}, nil
	}

	cmd := d.newRootCommand()
	var stdout bytes.Buffer
	cmd.SetOut(&stdout)
	cmd.SetErr(&stdout)
	cmd.SetArgs([]string{"daemon", "status"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}

	output := stdout.String()
	for _, want := range []string{
		"service: bangerd.service",
		"socket: /run/banger/bangerd.sock",
		"log: journalctl -u bangerd.service",
		"pid: 42",
		"version: v1.2.3",
		"commit: abc123",
		"built_at: 2026-03-22T12:00:00Z",
	} {
		if !strings.Contains(output, want) {
			t.Fatalf("output = %q, want %q", output, want)
		}
	}
}

func testCLIResolvedVM(id, name string) model.VMRecord {
	return model.VMRecord{ID: id, Name: name}
}

func testRunGit(t *testing.T, dir string, args ...string) string {
	t.Helper()
	cmd := exec.Command("git", append([]string{"-c", "commit.gpgsign=false", "-C", dir}, args...)...)
	output, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("git %v: %v\n%s", args, err, string(output))
	}
	return string(output)
}

type testVMRunUpload struct {
	path string
	mode os.FileMode
	data []byte
}

type testVMRunGuestClient struct {
	closed          bool
	uploads         []testVMRunUpload
	uploadPath      string
	uploadMode      os.FileMode
	uploadData      []byte
	uploadErr       error
	checkoutErr     error
	launchErr       error
	script          string
	launchScript    string
	runScriptCalls  int
	tarSourceDir    string
	tarCommand      string
	streamSourceDir string
	streamEntries   []string
	streamCommand   string
}

func (c *testVMRunGuestClient) Close() error {
	c.closed = true
	return nil
}

func (c *testVMRunGuestClient) UploadFile(ctx context.Context, remotePath string, mode os.FileMode, data []byte, logWriter io.Writer) error {
	copyData := append([]byte(nil), data...)
	c.uploads = append(c.uploads, testVMRunUpload{path: remotePath, mode: mode, data: copyData})
	c.uploadPath = remotePath
	c.uploadMode = mode
	c.uploadData = copyData
	return c.uploadErr
}

func (c *testVMRunGuestClient) StreamTar(ctx context.Context, sourceDir, remoteCommand string, logWriter io.Writer) error {
	c.tarSourceDir = sourceDir
	c.tarCommand = remoteCommand
	return nil
}

func (c *testVMRunGuestClient) RunScript(ctx context.Context, script string, logWriter io.Writer) error {
	c.runScriptCalls++
	if c.runScriptCalls == 1 {
		c.script = script
		c.launchScript = script
		if c.checkoutErr != nil {
			return c.checkoutErr
		}
		return c.launchErr
	}
	c.launchScript = script
	return c.launchErr
}

func (c *testVMRunGuestClient) StreamTarEntries(ctx context.Context, sourceDir string, entries []string, remoteCommand string, logWriter io.Writer) error {
	c.streamSourceDir = sourceDir
	c.streamEntries = append([]string(nil), entries...)
	c.streamCommand = remoteCommand
	return nil
}

// stubEnsureDaemonForSend isolates XDG dirs and installs a daemon-ping
// fake onto the caller's *deps so `ensureDaemon` short-circuits without
// trying to spawn bangerd.
func stubEnsureDaemonForSend(t *testing.T, d *deps) {
	t.Helper()
	t.Setenv("XDG_CONFIG_HOME", filepath.Join(t.TempDir(), "config"))
	t.Setenv("XDG_STATE_HOME", filepath.Join(t.TempDir(), "state"))
	t.Setenv("XDG_RUNTIME_DIR", filepath.Join(t.TempDir(), "run"))
	d.daemonPing = func(context.Context, string) (api.PingResult, error) {
		return api.PingResult{Status: "ok", PID: os.Getpid()}, nil
	}
}

func TestVMWorkspaceExportCommandExists(t *testing.T) {
	root := NewBangerCommand()
	vm, _, err := root.Find([]string{"vm"})
	if err != nil {
		t.Fatalf("find vm: %v", err)
	}
	workspace, _, err := vm.Find([]string{"workspace"})
	if err != nil {
		t.Fatalf("find workspace: %v", err)
	}
	if _, _, err := workspace.Find([]string{"export"}); err != nil {
		t.Fatalf("find workspace export: %v", err)
	}
}

func TestVMWorkspaceExportRejectsMissingArg(t *testing.T) {
	cmd := NewBangerCommand()
	cmd.SetArgs([]string{"vm", "workspace", "export"})
	err := cmd.Execute()
	if err == nil || !strings.Contains(err.Error(), "usage: banger vm workspace export") {
		t.Fatalf("Execute() error = %v, want usage error", err)
	}
}

func TestVMWorkspaceExportWritesToStdout(t *testing.T) {
	d := defaultDeps()
	stubEnsureDaemonForSend(t, d)

	patch := []byte("diff --git a/main.go b/main.go\nindex 0000000..1111111 100644\n")
	d.vmWorkspaceExport = func(_ context.Context, _ string, params api.WorkspaceExportParams) (api.WorkspaceExportResult, error) {
		return api.WorkspaceExportResult{
			GuestPath:    params.GuestPath,
			Patch:        patch,
			ChangedFiles: []string{"main.go"},
			HasChanges:   true,
		}, nil
	}

	cmd := d.newRootCommand()
	var out bytes.Buffer
	cmd.SetOut(&out)
	cmd.SetErr(io.Discard)
	cmd.SetArgs([]string{"vm", "workspace", "export", "devbox"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}
	if !bytes.Equal(out.Bytes(), patch) {
		t.Fatalf("stdout = %q, want %q", out.Bytes(), patch)
	}
}

func TestVMWorkspaceExportWritesToFile(t *testing.T) {
	d := defaultDeps()
	stubEnsureDaemonForSend(t, d)

	patch := []byte("diff --git a/main.go b/main.go\n")
	d.vmWorkspaceExport = func(_ context.Context, _ string, _ api.WorkspaceExportParams) (api.WorkspaceExportResult, error) {
		return api.WorkspaceExportResult{
			GuestPath:    "/root/repo",
			Patch:        patch,
			ChangedFiles: []string{"main.go"},
			HasChanges:   true,
		}, nil
	}

	outFile := filepath.Join(t.TempDir(), "worker.diff")
	cmd := d.newRootCommand()
	cmd.SetOut(io.Discard)
	var stderr bytes.Buffer
	cmd.SetErr(&stderr)
	cmd.SetArgs([]string{"vm", "workspace", "export", "devbox", "--output", outFile})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}

	got, err := os.ReadFile(outFile)
	if err != nil {
		t.Fatalf("ReadFile: %v", err)
	}
	if !bytes.Equal(got, patch) {
		t.Fatalf("file content = %q, want %q", got, patch)
	}
	if !strings.Contains(stderr.String(), "worker.diff") {
		t.Fatalf("stderr = %q, want output path mentioned", stderr.String())
	}
}

func TestVMWorkspaceExportNoChanges(t *testing.T) {
	d := defaultDeps()
	stubEnsureDaemonForSend(t, d)

	d.vmWorkspaceExport = func(_ context.Context, _ string, _ api.WorkspaceExportParams) (api.WorkspaceExportResult, error) {
		return api.WorkspaceExportResult{
			GuestPath:  "/root/repo",
			HasChanges: false,
		}, nil
	}

	cmd := d.newRootCommand()
	var out bytes.Buffer
	var stderr bytes.Buffer
	cmd.SetOut(&out)
	cmd.SetErr(&stderr)
	cmd.SetArgs([]string{"vm", "workspace", "export", "devbox"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}
	if out.Len() != 0 {
		t.Fatalf("stdout = %q, want empty when no changes", out.String())
	}
	if !strings.Contains(stderr.String(), "no changes") {
		t.Fatalf("stderr = %q, want 'no changes'", stderr.String())
	}
}

func TestVMWorkspaceExportGuestPathFlag(t *testing.T) {
	d := defaultDeps()
	stubEnsureDaemonForSend(t, d)

	var capturedParams api.WorkspaceExportParams
	d.vmWorkspaceExport = func(_ context.Context, _ string, params api.WorkspaceExportParams) (api.WorkspaceExportResult, error) {
		capturedParams = params
		return api.WorkspaceExportResult{HasChanges: false}, nil
	}

	cmd := d.newRootCommand()
	cmd.SetOut(io.Discard)
	cmd.SetErr(io.Discard)
	cmd.SetArgs([]string{"vm", "workspace", "export", "devbox", "--guest-path", "/root/project"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}
	if capturedParams.GuestPath != "/root/project" {
		t.Fatalf("GuestPath = %q, want /root/project", capturedParams.GuestPath)
	}
	if capturedParams.IDOrName != "devbox" {
		t.Fatalf("IDOrName = %q, want devbox", capturedParams.IDOrName)
	}
}

func TestVMWorkspaceExportBaseCommitFlag(t *testing.T) {
	d := defaultDeps()
	stubEnsureDaemonForSend(t, d)

	var capturedParams api.WorkspaceExportParams
	d.vmWorkspaceExport = func(_ context.Context, _ string, params api.WorkspaceExportParams) (api.WorkspaceExportResult, error) {
		capturedParams = params
		return api.WorkspaceExportResult{
			HasChanges: false,
			BaseCommit: params.BaseCommit,
		}, nil
	}

	cmd := d.newRootCommand()
	cmd.SetOut(io.Discard)
	cmd.SetErr(io.Discard)
	cmd.SetArgs([]string{"vm", "workspace", "export", "devbox", "--base-commit", "abc1234deadbeef"})
	if err := cmd.Execute(); err != nil {
		t.Fatalf("Execute: %v", err)
	}
	if capturedParams.BaseCommit != "abc1234deadbeef" {
		t.Fatalf("BaseCommit = %q, want abc1234deadbeef", capturedParams.BaseCommit)
	}
}