"""Tests for messaging platform factory."""

from unittest.mock import MagicMock, patch

from messaging.platforms.factory import create_messaging_platform


class TestCreateMessagingPlatform:
    """Tests for create_messaging_platform factory function."""

    def test_telegram_with_token(self):
        """Create Telegram platform when bot_token is provided."""
        mock_platform = MagicMock()
        with (
            patch("messaging.platforms.telegram.TELEGRAM_AVAILABLE", True),
            patch(
                "messaging.platforms.telegram.TelegramPlatform",
                return_value=mock_platform,
            ),
        ):
            result = create_messaging_platform(
                "telegram",
                bot_token="test_token",
                allowed_user_id="12345",
            )

        assert result is mock_platform

    def test_telegram_without_token(self):
        """Return None when no bot_token for Telegram."""
        result = create_messaging_platform("telegram")
        assert result is None

    def test_telegram_empty_token(self):
        """Return None when bot_token is empty string."""
        result = create_messaging_platform("telegram", bot_token="")
        assert result is None

    def test_discord_with_token(self):
        """Create Discord platform when discord_bot_token is provided."""
        mock_platform = MagicMock()
        with (
            patch("messaging.platforms.discord.DISCORD_AVAILABLE", True),
            patch(
                "messaging.platforms.discord.DiscordPlatform",
                return_value=mock_platform,
            ),
        ):
            result = create_messaging_platform(
                "discord",
                discord_bot_token="test_token",
                allowed_discord_channels="123,456",
            )

        assert result is mock_platform

    def test_discord_without_token(self):
        """Return None when no discord_bot_token for Discord."""
        result = create_messaging_platform("discord")
        assert result is None

    def test_discord_empty_token(self):
        """Return None when discord_bot_token is empty string."""
        result = create_messaging_platform(
            "discord", discord_bot_token="", allowed_discord_channels="123"
        )
        assert result is None

    def test_unknown_platform(self):
        """Return None for unknown platform types."""
        result = create_messaging_platform("slack")
        assert result is None

    def test_unknown_platform_with_kwargs(self):
        """Return None for unknown platform even with kwargs."""
        result = create_messaging_platform("slack", bot_token="token")
        assert result is None