"""Тесты подключения целевых каналов."""

import pytest
from fastapi import HTTPException

from src import domain, dto, usecase
from tests.conftest import MockDatabase, MockTelegramWriter


@pytest.mark.asyncio
async def test_connect_new_channel_success(usecases: usecase.Usecase, mock_database: MockDatabase) -> None:
    """Подключение нового канала с правами администратора."""
    user = domain.User(telegram_id=123456, username='testuser')
    await mock_database.create_user(user)

    input_data = dto.ConnectTargetChanInput(
        telegram_id=-1001234567890,
        title='Test Channel',
        username='testchannel',
        user_telegram_id=123456,
        bot_permissions=dto.ChannelBotPermissions(
            is_admin=True,
            can_invite_users=True,
            can_restrict_members=True,
        ),
    )

    result = await usecases.connect_target_chan(input_data)

    assert result.telegram_id == -1001234567890
    assert result.title == 'Test Channel'
    assert result.is_active is True

    # Проверяем, что канал сохранён
    channel = await mock_database.get_target_channel(user.id, telegram_id=-1001234567890)
    assert channel is not None


@pytest.mark.asyncio
async def test_connect_channel_without_admin_rights(
    usecases: usecase.Usecase, mock_database: MockDatabase, mock_telegram: MockTelegramWriter
) -> None:
    """Канал без прав администратора не подключается."""
    user = domain.User(telegram_id=123456, username='testuser')
    await mock_database.create_user(user)

    input_data = dto.ConnectTargetChanInput(
        telegram_id=-1001234567890,
        title='Test Channel',
        username='testchannel',
        user_telegram_id=123456,
        bot_permissions=dto.ChannelBotPermissions(
            is_admin=False,
            can_invite_users=False,
            can_restrict_members=False,
        ),
    )

    with pytest.raises(HTTPException) as exc_info:
        await usecases.connect_target_chan(input_data)

    assert exc_info.value.status_code == 403
    # Проверяем, что бот отправил предупреждение
    assert len(mock_telegram.sent_messages) == 1
    assert 'не является админом' in mock_telegram.sent_messages[0]['text']


@pytest.mark.asyncio
async def test_connect_channel_without_required_permissions(
    usecases: usecase.Usecase, mock_database: MockDatabase, mock_telegram: MockTelegramWriter
) -> None:
    """Канал без необходимых прав не подключается."""
    user = domain.User(telegram_id=123456, username='testuser')
    await mock_database.create_user(user)

    input_data = dto.ConnectTargetChanInput(
        telegram_id=-1001234567890,
        title='Test Channel',
        username='testchannel',
        user_telegram_id=123456,
        bot_permissions=dto.ChannelBotPermissions(
            is_admin=True,
            can_invite_users=False,  # Отсутствует необходимое право
            can_restrict_members=True,
        ),
    )

    with pytest.raises(HTTPException) as exc_info:
        await usecases.connect_target_chan(input_data)

    assert exc_info.value.status_code == 403
    assert len(mock_telegram.sent_messages) == 1
    assert 'не имеет необходимых прав' in mock_telegram.sent_messages[0]['text']


@pytest.mark.asyncio
async def test_connect_channel_user_not_found(usecases: usecase.Usecase, mock_telegram: MockTelegramWriter) -> None:
    """Подключение канала неавторизованным пользователем вызывает ошибку."""
    input_data = dto.ConnectTargetChanInput(
        telegram_id=-1001234567890,
        title='Test Channel',
        username='testchannel',
        user_telegram_id=999999,  # Несуществующий пользователь
        bot_permissions=dto.ChannelBotPermissions(
            is_admin=True,
            can_invite_users=True,
            can_restrict_members=True,
        ),
    )

    with pytest.raises(HTTPException) as exc_info:
        await usecases.connect_target_chan(input_data)

    assert exc_info.value.status_code == 404
    assert 'not found' in str(exc_info.value.detail).lower()
    assert len(mock_telegram.sent_messages) == 1
    assert 'авторизоваться' in mock_telegram.sent_messages[0]['text']


@pytest.mark.asyncio
async def test_get_user_target_channels(usecases: usecase.Usecase, mock_database: MockDatabase) -> None:
    """Получение списка каналов пользователя."""
    user = domain.User(telegram_id=123456, username='testuser')
    await mock_database.create_user(user)

    channel1 = domain.TargetChannel(
        telegram_id=-1001234567890,
        title='Channel 1',
        username='channel1',
        user_id=user.id,
        is_active=True,
    )
    channel2 = domain.TargetChannel(
        telegram_id=-1001234567891,
        title='Channel 2',
        username='channel2',
        user_id=user.id,
        is_active=True,
    )
    await mock_database.upsert_target_channel(channel1)
    await mock_database.upsert_target_channel(channel2)

    result = await usecases.get_user_target_chans(dto.GetUserTargetChansInput(user_id=user.id))

    assert len(result.target_channels) == 2


@pytest.mark.asyncio
async def test_disconnect_target_channel(usecases: usecase.Usecase, mock_database: MockDatabase) -> None:
    """Отключение целевого канала."""
    user = domain.User(telegram_id=123456, username='testuser')
    await mock_database.create_user(user)

    channel = domain.TargetChannel(
        telegram_id=-1001234567890,
        title='Test Channel',
        username='testchannel',
        user_id=user.id,
        is_active=True,
    )
    await mock_database.upsert_target_channel(channel)

    await usecases.disconnect_target_chan(dto.DisconnectTargetChanInput(channel_id=channel.id, user_id=user.id))

    # Проверяем, что канал стал неактивным
    updated_channel = await mock_database.get_target_channel(user.id, channel_id=channel.id)
    assert updated_channel is not None
    assert updated_channel.is_active is False