package installmeta

import (
	"path/filepath"
	"testing"
	"time"
)

func TestSaveLoadRoundTrip(t *testing.T) {
	path := filepath.Join(t.TempDir(), "install.toml")
	want := Metadata{
		OwnerUser:   "dev",
		OwnerUID:    1000,
		OwnerGID:    1000,
		OwnerHome:   "/home/dev",
		InstalledAt: time.Unix(1710000000, 0).UTC(),
		Version:     "v1.2.3",
		Commit:      "abc123",
		BuiltAt:     "2026-04-23T00:00:00Z",
	}

	if err := Save(path, want); err != nil {
		t.Fatalf("Save: %v", err)
	}
	got, err := Load(path)
	if err != nil {
		t.Fatalf("Load: %v", err)
	}
	if got != want {
		t.Fatalf("Load() = %+v, want %+v", got, want)
	}
}

func TestValidateRejectsMissingOwner(t *testing.T) {
	err := Metadata{OwnerUID: 1000, OwnerGID: 1000, OwnerHome: "/home/dev"}.Validate()
	if err == nil {
		t.Fatal("Validate() = nil, want missing owner_user error")
	}
}