from pathlib import Path
import tomllib

from whisper_local.config import Config, load_config


class TestConfigDefaults:
    def test_default_hotkey(self):
        config = Config()
        assert config.hotkey == "KEY_F12"

    def test_default_whisper_model(self):
        config = Config()
        assert config.whisper_model == "small"

    def test_default_language(self):
        config = Config()
        assert config.language == "de"

    def test_default_compute_type(self):
        config = Config()
        assert config.compute_type == "int8"

    def test_default_sample_rate(self):
        config = Config()
        assert config.sample_rate == 16000

    def test_default_channels(self):
        config = Config()
        assert config.channels == 1

    def test_default_min_duration(self):
        config = Config()
        assert config.min_duration == 0.5


class TestLoadConfig:
    def test_load_from_toml(self, tmp_path):
        config_file = tmp_path / "config.toml"
        config_file.write_text(
            '[hotkey]\nkey = "KEY_F8"\n\n'
            '[whisper]\nmodel = "tiny"\nlanguage = "en"\n'
        )
        config = load_config(config_file)
        assert config.hotkey == "KEY_F8"
        assert config.whisper_model == "tiny"
        assert config.language == "en"
        # Defaults bleiben erhalten
        assert config.compute_type == "int8"

    def test_load_nonexistent_returns_defaults(self, tmp_path):
        config = load_config(tmp_path / "nope.toml")
        assert config.hotkey == "KEY_F12"

    def test_load_empty_file(self, tmp_path):
        config_file = tmp_path / "config.toml"
        config_file.write_text("")
        config = load_config(config_file)
        assert config.hotkey == "KEY_F12"