import sys
import unittest
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
SRC = ROOT / "src"
if str(SRC) not in sys.path:
    sys.path.insert(0, str(SRC))

from config import Config
from config_ui import (
    RUNTIME_MODE_EXPERT,
    RUNTIME_MODE_MANAGED,
    _app_version,
    apply_canonical_runtime_defaults,
    infer_runtime_mode,
)
from unittest.mock import patch


class ConfigUiRuntimeModeTests(unittest.TestCase):
    def test_infer_runtime_mode_defaults_to_managed(self):
        cfg = Config()
        self.assertEqual(infer_runtime_mode(cfg), RUNTIME_MODE_MANAGED)

    def test_infer_runtime_mode_detects_expert_overrides(self):
        cfg = Config()
        cfg.models.allow_custom_models = True
        self.assertEqual(infer_runtime_mode(cfg), RUNTIME_MODE_EXPERT)

    def test_apply_canonical_runtime_defaults_resets_expert_fields(self):
        cfg = Config()
        cfg.stt.provider = "local_whisper"
        cfg.models.allow_custom_models = True
        cfg.models.whisper_model_path = "/tmp/custom-whisper.bin"

        apply_canonical_runtime_defaults(cfg)

        self.assertEqual(cfg.stt.provider, "local_whisper")
        self.assertFalse(cfg.models.allow_custom_models)
        self.assertEqual(cfg.models.whisper_model_path, "")

    def test_app_version_prefers_local_pyproject_version(self):
        pyproject_text = '[project]\nversion = "9.9.9"\n'

        with patch("config_ui.Path.exists", return_value=True), patch(
            "config_ui.Path.read_text", return_value=pyproject_text
        ), patch("config_ui.importlib.metadata.version", return_value="1.0.0"):
            self.assertEqual(_app_version(), "9.9.9")


if __name__ == "__main__":
    unittest.main()