from types import SimpleNamespace

import pytest

from banban.dao.pending_voice_message import PendingVoiceMessageDAO
from banban.service.pending_voice_message import (
    PendingVoiceMessageService,
    PendingVoicePlaybackItem,
)
from handlers.mqtt_handler import TalkingQMQTTService


class FakeResult:
    def __init__(self, rows=None):
        self._rows = rows or []

    def mappings(self):
        return self

    def all(self):
        return self._rows


class FakeSession:
    def __init__(self, rows=None):
        self.rows = rows or []
        self.calls = []
        self.commits = 0
        self.rollbacks = 0
        self.closed = False

    async def execute(self, statement, params=None):
        self.calls.append((str(statement), params or {}))
        return FakeResult(self.rows)

    async def commit(self):
        self.commits += 1

    async def rollback(self):
        self.rollbacks += 1

    async def close(self):
        self.closed = True


@pytest.mark.asyncio
async def test_upsert_pending_keeps_original_media_file_key_on_duplicate():
    session = FakeSession()
    dao = PendingVoiceMessageDAO(session)

    await dao.upsert_pending(
        target_device_id="TalkingQ_XQSN00001001",
        sender_device_id="TalkingQ_XQSN00001002",
        im_message_id=123,
        media_file_key="audio/original.mp3",
        audio_url="http://example.test/audio.mp3",
        source="device_peer_voice",
    )

    sql, params = session.calls[0]
    update_sql = sql.split("ON DUPLICATE KEY UPDATE", 1)[1]
    assert "ON DUPLICATE KEY UPDATE" in sql
    assert "media_file_key" not in update_sql
    assert params["target_device_id"] == "TalkingQ_XQSN00001001"
    assert params["im_message_id"] == 123
    assert params["media_file_key"] == "audio/original.mp3"
    assert params["status"] == "pending"


@pytest.mark.asyncio
async def test_mark_delivered_only_advances_pending_rows():
    session = FakeSession()
    dao = PendingVoiceMessageDAO(session)

    await dao.mark_delivered([7, 9])

    sql, params = session.calls[0]
    assert "SET status = :status" in sql
    assert "delivery_count = delivery_count + 1" in sql
    assert "AND status = :pending_status" in sql
    assert params == {
        "id_0": 7,
        "id_1": 9,
        "status": "delivered",
        "pending_status": "pending",
    }


@pytest.mark.asyncio
async def test_get_playback_items_uses_fallback_url_when_signed_url_fails(monkeypatch):
    service = PendingVoiceMessageService()
    session = FakeSession(
        rows=[
            {
                "id": 11,
                "target_device_id": "TalkingQ_XQSN00001001",
                "sender_device_id": "TalkingQ_XQSN00001002",
                "im_message_id": 123,
                "media_file_key": "cos/audio.mp3",
                "audio_url": "http://cached.example/audio.mp3",
                "source": "device_peer_voice",
                "status": "pending",
                "delivery_count": 0,
                "created_at": None,
            }
        ]
    )

    async def fake_get_session():
        return session

    class FailingAudioCache:
        async def get_device_audio_url(self, media_file_key, device_id=None):
            raise RuntimeError("cos unavailable")

    monkeypatch.setattr(service, "get_session", fake_get_session)
    monkeypatch.setattr(
        "banban.service.pending_voice_message.device_audio_cache_service",
        FailingAudioCache(),
    )

    items = await service.get_playback_items(target_device_id="TalkingQ_XQSN00001001")

    assert items == [
        PendingVoicePlaybackItem(
            pending_id=11,
            audio_url="http://cached.example/audio.mp3",
            im_message_id=123,
            media_file_key="cos/audio.mp3",
            source="device_peer_voice",
        )
    ]
    assert session.closed is True


@pytest.mark.asyncio
async def test_nfc_owner_listen_marks_pending_delivered_only_after_publish(monkeypatch):
    service = TalkingQMQTTService({"device_prefix": "TalkingQ"})
    published = []
    marked = []
    cleared = []

    class FakeCardService:
        async def get_card_by_uuid(self, nfc_uuid):
            return SimpleNamespace(device_id="TalkingQ_XQSN00001001")

        async def check_card_ownership(self, nfc_uuid, device_id):
            return True

    class FakePendingVoiceService:
        async def get_playback_items(self, target_device_id):
            return [
                PendingVoicePlaybackItem(
                    pending_id=11,
                    audio_url="http://cached.example/audio.mp3",
                    im_message_id=123,
                    media_file_key="cos/audio.mp3",
                    source="device_peer_voice",
                )
            ]

        async def mark_delivered(self, pending_ids):
            marked.extend(pending_ids)

    class FakeOfflineAudioCache:
        async def clear_audio_urls(self, device_id):
            cleared.append(device_id)

    async def fake_publish(topic, payload):
        published.append((topic, payload))
        return True

    monkeypatch.setattr("handlers.mqtt_handler.card_service", FakeCardService())
    monkeypatch.setattr("handlers.mqtt_handler.pending_voice_message_service", FakePendingVoiceService())
    monkeypatch.setattr("handlers.mqtt_handler.offline_audio_cache", FakeOfflineAudioCache())
    monkeypatch.setattr(service, "_publish", fake_publish)

    await service._send_nfc_listen_response("TalkingQ_XQSN00001001", "53DA2B6DA20001")

    assert published == [
        (
            "device/TalkingQ_XQSN00001001/event_resp",
            {
                "msg_id": "005",
                "type": 0,
                "params": {"url_1": "http://cached.example/audio.mp3"},
            },
        )
    ]
    assert marked == [11]
    assert cleared == ["TalkingQ_XQSN00001001"]


@pytest.mark.asyncio
async def test_nfc_owner_listen_keeps_pending_when_publish_fails(monkeypatch):
    service = TalkingQMQTTService({"device_prefix": "TalkingQ"})
    marked = []

    class FakeCardService:
        async def get_card_by_uuid(self, nfc_uuid):
            return SimpleNamespace(device_id="TalkingQ_XQSN00001001")

        async def check_card_ownership(self, nfc_uuid, device_id):
            return True

    class FakePendingVoiceService:
        async def get_playback_items(self, target_device_id):
            return [
                PendingVoicePlaybackItem(
                    pending_id=11,
                    audio_url="http://cached.example/audio.mp3",
                    im_message_id=123,
                    media_file_key="cos/audio.mp3",
                    source="device_peer_voice",
                )
            ]

        async def mark_delivered(self, pending_ids):
            marked.extend(pending_ids)

    async def fake_publish(topic, payload):
        return False

    monkeypatch.setattr("handlers.mqtt_handler.card_service", FakeCardService())
    monkeypatch.setattr("handlers.mqtt_handler.pending_voice_message_service", FakePendingVoiceService())
    monkeypatch.setattr(service, "_publish", fake_publish)

    await service._send_nfc_listen_response("TalkingQ_XQSN00001001", "53DA2B6DA20001")

    assert marked == []