"""
Test podcast download functionality
测试播客下载功能
"""

import pytest
import asyncio
import os
from pathlib import Path
from typing import Dict, Any

from src.tools.download_tools import download_apple_podcast_tool, download_xyz_podcast_tool
from src.services.podcast_download_service import PodcastDownloadService
from src.interfaces.podcast_downloader import PodcastPlatform


class TestPodcastDownload:
    """Test podcast download integration"""
    
    @pytest.mark.asyncio
    async def test_apple_podcast_info_extraction(self, podcast_download_service: PodcastDownloadService):
        """Test Apple podcast information extraction"""
        print("\n🍎 Testing Apple Podcast info extraction...")
        
        # Use a known working Apple Podcast URL
        test_url = "https://podcasts.apple.com/us/podcast/the-tim-ferriss-show/id863897795"
        
        try:
            # Test platform detection
            can_handle = podcast_download_service.can_handle_url(test_url)
            assert can_handle, "Should be able to handle Apple Podcast URL"
            
            # Test podcast info extraction
            podcast_info = await podcast_download_service.extract_podcast_info(test_url)
            
            assert podcast_info is not None
            assert podcast_info.platform == PodcastPlatform.APPLE
            assert podcast_info.title is not None
            assert len(podcast_info.title) > 0
            
            print(f"✅ Successfully extracted Apple Podcast info:")
            print(f"   Title: {podcast_info.title}")
            print(f"   Platform: {podcast_info.platform}")
            print(f"   Episode ID: {podcast_info.episode_id}")
            
        except Exception as e:
            print(f"❌ Apple Podcast info extraction failed: {str(e)}")
            pytest.skip(f"Apple Podcast info extraction failed: {str(e)}")
    
    @pytest.mark.asyncio
    async def test_xiaoyuzhou_podcast_info_extraction(self, podcast_download_service: PodcastDownloadService):
        """Test XiaoYuZhou podcast information extraction"""
        print("\n🎵 Testing XiaoYuZhou Podcast info extraction...")
        
        # Use a test XYZ URL pattern
        test_url = "https://www.xiaoyuzhoufm.com/episode/example123"
        
        try:
            # Test platform detection
            can_handle = podcast_download_service.can_handle_url(test_url)
            assert can_handle, "Should be able to handle XiaoYuZhou Podcast URL"
            
            # Test podcast info extraction (might fail due to network/content)
            try:
                podcast_info = await podcast_download_service.extract_podcast_info(test_url)
                
                assert podcast_info is not None
                assert podcast_info.platform == PodcastPlatform.XIAOYUZHOU
                
                print(f"✅ Successfully extracted XiaoYuZhou Podcast info:")
                print(f"   Title: {podcast_info.title}")
                print(f"   Platform: {podcast_info.platform}")
                print(f"   Episode ID: {podcast_info.episode_id}")
                
            except Exception as e:
                print(f"⚠️  XiaoYuZhou info extraction failed (expected for test URL): {str(e)}")
                
        except Exception as e:
            print(f"❌ XiaoYuZhou platform detection failed: {str(e)}")
    
    @pytest.mark.asyncio
    async def test_apple_podcast_download_simulation(self, temp_dir: str):
        """Test Apple podcast download simulation (without actual download)"""
        print("\n🍎 Testing Apple Podcast download simulation...")
        
        # Use a known Apple Podcast URL for testing the download flow
        test_url = "https://podcasts.apple.com/us/podcast/the-tim-ferriss-show/id863897795"
        
        try:
            # Test the download tool interface
            result = await download_apple_podcast_tool(test_url)
            
            print(f"📋 Download tool result:")
            print(f"   Status: {result.get('status', 'unknown')}")
            print(f"   Original URL: {result.get('original_url', 'N/A')}")
            
            if result.get("status") == "success":
                print(f"   Audio file path: {result.get('audio_file_path', 'N/A')}")
                print("✅ Apple Podcast download simulation successful")
            else:
                print(f"   Error: {result.get('error_message', 'Unknown error')}")
                print("⚠️  Apple Podcast download simulation failed (might be network-related)")
                
        except Exception as e:
            print(f"❌ Apple Podcast download test failed: {str(e)}")
            pytest.skip(f"Apple Podcast download test failed: {str(e)}")
    
    @pytest.mark.asyncio
    async def test_xiaoyuzhou_podcast_download_simulation(self, temp_dir: str):
        """Test XiaoYuZhou podcast download simulation"""
        print("\n🎵 Testing XiaoYuZhou Podcast download simulation...")
        
        # Use a test XYZ URL
        test_url = "https://www.xiaoyuzhoufm.com/episode/example123"
        
        try:
            # Test the download tool interface
            result = await download_xyz_podcast_tool(test_url)
            
            print(f"📋 Download tool result:")
            print(f"   Status: {result.get('status', 'unknown')}")
            print(f"   Original URL: {result.get('original_url', 'N/A')}")
            
            if result.get("status") == "success":
                print(f"   Audio file path: {result.get('audio_file_path', 'N/A')}")
                print("✅ XiaoYuZhou Podcast download simulation successful")
            else:
                print(f"   Error: {result.get('error_message', 'Unknown error')}")
                print("⚠️  XiaoYuZhou Podcast download simulation failed (expected for test URL)")
                
        except Exception as e:
            print(f"❌ XiaoYuZhou Podcast download test failed: {str(e)}")
            # This is expected for test URLs, so we don't fail the test
    
    @pytest.mark.asyncio
    async def test_supported_platforms(self, podcast_download_service: PodcastDownloadService):
        """Test supported platforms detection"""
        print("\n🌐 Testing supported platforms...")
        
        platforms = podcast_download_service.get_supported_platforms()
        
        assert PodcastPlatform.APPLE in platforms
        assert PodcastPlatform.XIAOYUZHOU in platforms
        
        print(f"✅ Supported platforms: {[p.value for p in platforms]}")
    
    @pytest.mark.asyncio
    async def test_url_validation(self, podcast_download_service: PodcastDownloadService):
        """Test URL validation"""
        print("\n🔗 Testing URL validation...")
        
        test_cases = [
            ("https://podcasts.apple.com/us/podcast/test", True, "Apple Podcast URL"),
            ("https://www.xiaoyuzhoufm.com/episode/test", True, "XiaoYuZhou URL"),
            ("https://example.com/podcast", False, "Generic URL"),
            ("invalid-url", False, "Invalid URL"),
        ]
        
        for url, expected, description in test_cases:
            result = podcast_download_service.can_handle_url(url)
            assert result == expected, f"URL validation failed for {description}: {url}"
            print(f"✅ {description}: {'✓' if result else '✗'}")
    
    def test_download_tools_initialization(self):
        """Test download tools initialization"""
        print("\n🔧 Testing download tools initialization...")
        
        # Test that the tools can be imported
        assert download_apple_podcast_tool is not None
        assert download_xyz_podcast_tool is not None
        
        print("✅ Download tools initialized successfully")


if __name__ == "__main__":
    # Run tests with verbose output
    pytest.main([__file__, "-v", "-s"])