# -*- coding: utf-8 -*-
"""
Tests für Event-basierte Integrationen.

Testet:
- Satellite.speak() und Satellite.play() Event-Auslösung
- SatelliteAPI.say() mit Warte-Logik
- WakewordService._wait_for_processing_result()
"""

import asyncio
import pytest
from unittest.mock import AsyncMock, MagicMock, patch
from dataclasses import dataclass, field

from trixy_core.events.event_data.basic import (
    TTSRequest,
    TTSCompleted,
    StreamStart,
    StreamStop,
    ProcessingResult,
)
from trixy_core.satellite.satellite import Satellite, ConnectionState


# =============================================================================
# Fixtures
# =============================================================================

@pytest.fixture
def mock_event_manager():
    """Erstellt einen Mock-EventManager."""
    manager = MagicMock()
    manager.trigger = AsyncMock()
    manager.register = MagicMock()
    manager.unregister = MagicMock(return_value=True)
    return manager


@pytest.fixture
def mock_application(mock_event_manager):
    """Erstellt eine Mock-Application."""
    app = MagicMock()
    app.events = mock_event_manager
    app.event_manager = mock_event_manager
    return app


@pytest.fixture
def satellite_with_app(mock_application):
    """Erstellt einen Satellite mit Application-Referenz."""
    sat = Satellite(
        satellite_id="test-sat-001",
        room_id="wohnzimmer",
        mac_address="AA:BB:CC:DD:EE:FF",
        alias="TestSatellite",
        application=mock_application
    )
    return sat


# =============================================================================
# Tests für Event-Datenklassen
# =============================================================================

class TestEventDataClasses:
    """Tests für neue Event-Datenklassen."""

    def test_tts_request_creation(self):
        """Testet TTSRequest Erstellung."""
        request = TTSRequest(
            request_id="req-123",
            satellite_id="sat-001",
            text="Hallo Welt",
            voice="default",
            speed=1.0,
            volume=0.8
        )
        assert request.request_id == "req-123"
        assert request.text == "Hallo Welt"
        assert request.volume == 0.8

    def test_tts_completed_creation(self):
        """Testet TTSCompleted Erstellung."""
        completed = TTSCompleted(
            request_id="req-123",
            satellite_id="sat-001",
            success=True,
            audio_duration=2.5
        )
        assert completed.success is True
        assert completed.audio_duration == 2.5

    def test_stream_start_creation(self):
        """Testet StreamStart Erstellung."""
        stream = StreamStart(
            satellite_id="sat-001",
            source="http://radio.mp3",
            volume=0.7,
            stream_type="music"
        )
        assert stream.source == "http://radio.mp3"
        assert stream.stream_type == "music"

    def test_stream_stop_creation(self):
        """Testet StreamStop Erstellung."""
        stop = StreamStop(
            satellite_id="sat-001",
            stream_type="all"
        )
        assert stop.stream_type == "all"

    def test_processing_result_creation(self):
        """Testet ProcessingResult Erstellung."""
        result = ProcessingResult(
            session_id="session-123",
            success=True,
            text="Wie ist das Wetter?",
            intent="weather.query",
            response_text="Es ist sonnig."
        )
        assert result.intent == "weather.query"
        assert result.response_text == "Es ist sonnig."


# =============================================================================
# Tests für Satellite Event-Integration
# =============================================================================

class TestSatelliteEventIntegration:
    """Tests für Satellite Event-Methoden."""

    @pytest.mark.asyncio
    async def test_speak_triggers_tts_request_event(self, satellite_with_app, mock_event_manager):
        """Testet, dass speak() das tts_request Event auslöst."""
        result = await satellite_with_app.speak("Hallo Welt", voice="alloy")

        assert result is True
        mock_event_manager.trigger.assert_called_once()

        # Prüfe Event-Name
        call_args = mock_event_manager.trigger.call_args
        assert call_args[0][0] == "tts_request"

        # Prüfe Event-Daten
        event_data = call_args[0][1]
        assert event_data.text == "Hallo Welt"
        assert event_data.voice == "alloy"
        assert event_data.satellite_id == "test-sat-001"

    @pytest.mark.asyncio
    async def test_speak_returns_false_without_application(self):
        """Testet, dass speak() False zurückgibt ohne Application."""
        sat = Satellite(satellite_id="no-app")
        result = await sat.speak("Test")
        assert result is False

    @pytest.mark.asyncio
    async def test_speak_returns_false_when_cancelled(self, satellite_with_app, mock_event_manager):
        """Testet, dass speak() False zurückgibt wenn Event gecancelt."""
        async def cancel_event(event_name, data):
            data.cancel()

        mock_event_manager.trigger = cancel_event
        result = await satellite_with_app.speak("Test")
        assert result is False

    @pytest.mark.asyncio
    async def test_play_triggers_stream_start_event(self, satellite_with_app, mock_event_manager):
        """Testet, dass play() das stream_start Event auslöst."""
        result = await satellite_with_app.play("http://radio.mp3", volume=0.5)

        assert result is True
        mock_event_manager.trigger.assert_called_once()

        call_args = mock_event_manager.trigger.call_args
        assert call_args[0][0] == "stream_start"

        event_data = call_args[0][1]
        assert event_data.source == "http://radio.mp3"
        assert event_data.volume == 0.5
        assert event_data.stream_type == "music"

    @pytest.mark.asyncio
    async def test_play_returns_false_without_application(self):
        """Testet, dass play() False zurückgibt ohne Application."""
        sat = Satellite(satellite_id="no-app")
        result = await sat.play("http://test.mp3")
        assert result is False

    @pytest.mark.asyncio
    async def test_stop_playback_triggers_stream_stop_event(self, satellite_with_app, mock_event_manager):
        """Testet, dass stop_playback() das stream_stop Event auslöst."""
        result = await satellite_with_app.stop_playback()

        assert result is True
        mock_event_manager.trigger.assert_called_once()

        call_args = mock_event_manager.trigger.call_args
        assert call_args[0][0] == "stream_stop"

        event_data = call_args[0][1]
        assert event_data.satellite_id == "test-sat-001"
        assert event_data.stream_type == "all"


# =============================================================================
# Tests für Satellite Application-Referenz
# =============================================================================

class TestSatelliteApplicationReference:
    """Tests für Satellite Application-Referenz."""

    def test_satellite_with_application(self, mock_application):
        """Testet Satellite-Erstellung mit Application."""
        sat = Satellite(
            satellite_id="test",
            application=mock_application
        )
        assert sat.application is mock_application

    def test_satellite_application_setter(self, mock_application):
        """Testet Application-Setter."""
        sat = Satellite(satellite_id="test")
        assert sat.application is None

        sat.application = mock_application
        assert sat.application is mock_application

    def test_satellite_without_application(self):
        """Testet Satellite ohne Application."""
        sat = Satellite(satellite_id="test")
        assert sat.application is None


# =============================================================================
# Tests für SatelliteAPI Warte-Logik
# =============================================================================

class TestSatelliteAPIWaitLogic:
    """Tests für SatelliteAPI.say() Warte-Logik."""

    @pytest.fixture
    def mock_satellite_manager(self):
        """Erstellt einen Mock-SatelliteManager."""
        manager = MagicMock()
        connected_sat = MagicMock()
        connected_sat.id = "sat-001"
        connected_sat.is_connected = True
        connected_sat.room_id = "wohnzimmer"
        manager.get = MagicMock(return_value=connected_sat)
        manager.list_connected = MagicMock(return_value=[connected_sat])
        manager.get_by_room = MagicMock(return_value=[connected_sat])
        return manager

    @pytest.fixture
    def satellite_api(self, mock_application, mock_satellite_manager):
        """Erstellt eine SatelliteAPI-Instanz."""
        from trixy_core.satellite.api import SatelliteAPI
        mock_application.satellite_manager = mock_satellite_manager
        return SatelliteAPI(mock_application)

    @pytest.mark.asyncio
    async def test_say_with_wait_registers_handler(self, satellite_api, mock_event_manager):
        """Testet, dass say() mit wait=True einen Handler registriert."""
        # Simuliere sofortige Completion
        async def trigger_and_complete(event_name, data):
            if event_name == "tts_request":
                # Finde den registrierten Handler und rufe ihn auf
                for call in mock_event_manager.register.call_args_list:
                    if call[0][0] == "tts_completed":
                        handler = call[0][1]
                        completed = TTSCompleted(
                            request_id=data.request_id,
                            success=True
                        )
                        await handler("tts_completed", completed)

        mock_event_manager.trigger = trigger_and_complete

        result = await satellite_api.say("Test", satellites=["sat-001"], wait=True)

        # Handler sollte registriert worden sein
        assert mock_event_manager.register.called
        # Handler sollte wieder entfernt worden sein
        assert mock_event_manager.unregister.called

    @pytest.mark.asyncio
    async def test_say_without_wait_does_not_wait(self, satellite_api, mock_event_manager):
        """Testet, dass say() mit wait=False nicht wartet."""
        result = await satellite_api.say("Test", satellites=["sat-001"], wait=False)

        assert result is True
        mock_event_manager.trigger.assert_called_once()
        # Kein Handler sollte registriert werden bei wait=False
        # (nur tts_request wird ausgelöst)

    @pytest.mark.asyncio
    async def test_say_returns_false_for_empty_targets(self, satellite_api, mock_satellite_manager):
        """Testet, dass say() False zurückgibt wenn keine Ziele."""
        mock_satellite_manager.get_by_room = MagicMock(return_value=[])
        mock_satellite_manager.list_connected = MagicMock(return_value=[])

        result = await satellite_api.say("Test", room="leerer_raum")
        assert result is False


# =============================================================================
# Tests für WakewordService Verarbeitungs-Warte-Logik
# =============================================================================

class TestWakewordServiceProcessingWait:
    """Tests für WakewordService._wait_for_processing_result()."""

    @pytest.fixture
    def mock_wakeword_service(self, mock_application):
        """Erstellt einen Mock-WakewordService mittels MagicMock."""
        from trixy_core.wakeword.service import (
            WakewordServiceConfig,
            RecordingSession,
            ServiceState,
            WakewordService,
        )
        from trixy_core.wakeword.detector import WakewordDetection, WakewordType
        from datetime import datetime
        import logging

        # Verwende MagicMock statt echter Klasse
        service = MagicMock(spec=WakewordService)
        service._application = mock_application
        service._config = WakewordServiceConfig(
            standalone_mode=True,
            follow_up_timeout_seconds=0.1  # Kurzer Timeout für Tests
        )
        service.logger = logging.getLogger("test")

        # Simuliere aktive Session
        service._current_session = RecordingSession(
            session_id="test-session-123",
            wakeword_detection=WakewordDetection(
                wakeword_type=WakewordType.CUSTOM,
                model_name="test",
                confidence=0.95,
                audio_level=0.7,
                timestamp=datetime.now()
            ),
            start_time=datetime.now()
        )

        # Binde die echte Methode an den Mock
        from trixy_core.wakeword.service import WakewordService as RealService
        service._wait_for_processing_result = lambda: RealService._wait_for_processing_result(service)

        return service

    @pytest.mark.asyncio
    async def test_wait_for_processing_result_with_immediate_response(
        self, mock_wakeword_service, mock_event_manager
    ):
        """Testet _wait_for_processing_result mit sofortiger Antwort."""
        # Speichere den registrierten Handler um ihn später aufzurufen
        registered_handler = None

        def capture_register(event_name, handler):
            nonlocal registered_handler
            if event_name == "processing_result":
                registered_handler = handler

        mock_event_manager.register = capture_register

        # Starte den Wait in einem Task
        async def wait_and_respond():
            # Kurz warten damit der Handler registriert wird
            await asyncio.sleep(0.01)
            if registered_handler:
                result = ProcessingResult(
                    session_id="test-session-123",
                    success=True,
                    intent="test.intent"
                )
                await registered_handler("processing_result", result)

        # Starte Response-Task
        response_task = asyncio.create_task(wait_and_respond())

        # Führe wait aus
        await mock_wakeword_service._wait_for_processing_result()

        # Warte auf Response-Task
        await response_task

        # Handler sollte registriert worden sein
        assert registered_handler is not None

    @pytest.mark.asyncio
    async def test_wait_for_processing_result_timeout(
        self, mock_wakeword_service, mock_event_manager
    ):
        """Testet Timeout-Handling."""
        # Registriere Handler aber triggere ihn nicht
        mock_event_manager.register = MagicMock()

        # Sollte durch Timeout beendet werden (0.1s Timeout)
        await mock_wakeword_service._wait_for_processing_result()

        # Handler sollte wieder entfernt werden (im finally-Block)
        assert mock_event_manager.unregister.called

    @pytest.mark.asyncio
    async def test_wait_for_processing_result_without_session(
        self, mock_wakeword_service, mock_event_manager
    ):
        """Testet Verhalten ohne aktive Session."""
        mock_wakeword_service._current_session = None

        # Sollte sofort zurückkehren
        await mock_wakeword_service._wait_for_processing_result()

        # Kein Handler sollte registriert werden
        assert not mock_event_manager.register.called

    @pytest.mark.asyncio
    async def test_wait_for_processing_result_without_event_manager(
        self, mock_wakeword_service
    ):
        """Testet Verhalten ohne EventManager."""
        mock_wakeword_service._application.events = None

        # Sollte ohne Fehler zurückkehren
        await mock_wakeword_service._wait_for_processing_result()


# =============================================================================
# Tests für SatelliteManager Application-Referenz
# =============================================================================

class TestSatelliteManagerApplicationRef:
    """Tests für SatelliteManager Application-Referenz Weitergabe."""

    def test_add_sets_application_reference(self, mock_application):
        """Testet, dass add() die Application-Referenz setzt."""
        from trixy_core.satellite.satellite_manager import SatelliteManager

        manager = SatelliteManager(mock_application)
        sat = Satellite(satellite_id="test-sat")

        assert sat.application is None

        manager.add(sat)

        assert sat.application is mock_application


# =============================================================================
# Integration Tests
# =============================================================================

class TestFullIntegration:
    """Vollständige Integrationstests."""

    @pytest.mark.asyncio
    async def test_satellite_speak_full_flow(self):
        """Testet den vollständigen speak()-Flow."""
        from trixy_core.events.eventmanager import EventManager

        # Mock Application für EventManager
        app = MagicMock()

        # Echten EventManager verwenden
        event_manager = EventManager(app)
        app.events = event_manager

        # Satellite erstellen
        sat = Satellite(
            satellite_id="integration-test",
            application=app
        )

        # TTS-Handler registrieren
        tts_requests = []

        async def on_tts_request(event_name, data):
            tts_requests.append(data)

        event_manager.register("tts_request", on_tts_request)

        # speak() aufrufen
        result = await sat.speak("Integration Test", voice="nova")

        assert result is True
        assert len(tts_requests) == 1
        assert tts_requests[0].text == "Integration Test"
        assert tts_requests[0].voice == "nova"

    @pytest.mark.asyncio
    async def test_satellite_play_full_flow(self):
        """Testet den vollständigen play()-Flow."""
        from trixy_core.events.eventmanager import EventManager

        app = MagicMock()
        event_manager = EventManager(app)
        app.events = event_manager

        sat = Satellite(satellite_id="play-test", application=app)

        stream_starts = []

        async def on_stream_start(event_name, data):
            stream_starts.append(data)

        event_manager.register("stream_start", on_stream_start)

        result = await sat.play("http://example.com/music.mp3", volume=0.8)

        assert result is True
        assert len(stream_starts) == 1
        assert stream_starts[0].source == "http://example.com/music.mp3"
        assert stream_starts[0].volume == 0.8