"""Phase 5 tests: ASR configuration validation.

Covers:
- Valid ASR_PROVIDER values (dashscope, openrouter) load correctly
- Invalid ASR_PROVIDER raises ValueError
- Default values for new Phase 5 settings
"""
import os

import pytest


class TestAsrProviderConfig:
    def test_dashscope_is_default(self, monkeypatch, tmp_path):
        monkeypatch.setenv("ASR_PROVIDER", "dashscope")
        monkeypatch.setenv("DASHSCOPE_API_KEY", "sk-test")
        from app.core.config import get_settings
        get_settings.cache_clear()
        s = get_settings()
        assert s.asr_provider == "dashscope"

    def test_openrouter_provider_loads(self, monkeypatch, tmp_path):
        monkeypatch.setenv("ASR_PROVIDER", "openrouter")
        monkeypatch.setenv("DASHSCOPE_API_KEY", "sk-test")
        monkeypatch.setenv("OPENROUTER_API_KEY", "sk-or-test")
        from app.core.config import get_settings
        get_settings.cache_clear()
        s = get_settings()
        assert s.asr_provider == "openrouter"

    def test_invalid_provider_raises_valueerror(self, monkeypatch, tmp_path):
        monkeypatch.setenv("ASR_PROVIDER", "invalid_provider")
        monkeypatch.setenv("DASHSCOPE_API_KEY", "sk-test")
        monkeypatch.setenv("OPENROUTER_API_KEY", "")
        from app.core.config import get_settings
        get_settings.cache_clear()
        with pytest.raises(ValueError, match="Invalid ASR_PROVIDER"):
            get_settings()

    def test_openrouter_api_key_defaults_empty(self, monkeypatch, tmp_path):
        monkeypatch.setenv("ASR_PROVIDER", "dashscope")
        monkeypatch.setenv("DASHSCOPE_API_KEY", "sk-test")
        monkeypatch.setenv("OPENROUTER_API_KEY", "")
        from app.core.config import get_settings
        get_settings.cache_clear()
        s = get_settings()
        assert s.openrouter_api_key == ""

    def test_asr_openrouter_model_default(self, monkeypatch, tmp_path):
        monkeypatch.setenv("ASR_PROVIDER", "dashscope")
        monkeypatch.setenv("DASHSCOPE_API_KEY", "sk-test")
        from app.core.config import get_settings
        get_settings.cache_clear()
        s = get_settings()
        assert s.asr_openrouter_model == "google/gemini-3.1-flash-lite"

    def test_openrouter_model_customizable(self, monkeypatch, tmp_path):
        monkeypatch.setenv("DASHSCOPE_API_KEY", "sk-test")
        monkeypatch.setenv("ASR_OPENROUTER_MODEL", "openai/whisper-large-v3")
        from app.core.config import get_settings
        get_settings.cache_clear()
        s = get_settings()
        assert s.asr_openrouter_model == "openai/whisper-large-v3"