#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
内容自动化创作Agent主程序
功能：爬取内容 → 提取文案 → 智能改稿 → 生成配音/视频
"""

import asyncio
import logging
import sys
from pathlib import Path
from typing import Optional, Dict, Any

# 导入自定义模块
from src.crawler.web_crawler import WebCrawler
from src.extractor.content_extractor import ContentExtractor
from src.rewriter.content_rewriter import ContentRewriter
from src.voice_generator.voice_generator import create_voice_generator
from src.video_generator.video_generator import create_video_generator
from src.utils.config_loader import ConfigLoader
from src.utils.logger import setup_logger


class ContentAutomationAgent:
    """内容自动化创作Agent主类"""
    
    def __init__(self, config_path: str = "config/config.yaml"):
        """
        初始化Agent
        
        Args:
            config_path: 配置文件路径
        """
        self.config = ConfigLoader.load_config(config_path)
        self.logger = setup_logger("ContentAutomationAgent", self.config)
        
        # 初始化各个模块
        self.crawler = WebCrawler(self.config)
        self.extractor = ContentExtractor(self.config)
        self.rewriter = ContentRewriter(self.config)
        self.voice_generator = create_voice_generator(self.config)
        self.video_generator = create_video_generator(self.config)
        
        self.logger.info("内容自动化创作Agent初始化完成")
    
    async def process_url(self, url: str, output_format: str = "voice") -> Dict[str, Any]:
        """
        处理单个URL的完整流程
        
        Args:
            url: 目标URL
            output_format: 输出格式 ("voice", "video", "text")
            
        Returns:
            处理结果字典
        """
        self.logger.info(f"开始处理URL: {url}")
        
        try:
            # 步骤1: 爬取网页内容
            self.logger.info("步骤1: 爬取网页内容...")
            raw_html = await self.crawler.crawl(url)
            
            # 步骤2: 提取文案内容
            self.logger.info("步骤2: 提取文案内容...")
            extracted_content = self.extractor.extract(raw_html, url)
            
            if not extracted_content:
                raise ValueError("未能从网页中提取有效内容")
            
            # 步骤3: 智能改稿
            self.logger.info("步骤3: 智能改稿...")
            rewritten_content = self.rewriter.rewrite(extracted_content)
            
            # 步骤4: 根据需求生成配音或视频
            result = {
                "url": url,
                "original_content": extracted_content,
                "rewritten_content": rewritten_content,
                "output_files": []
            }
            
            if output_format == "voice":
                self.logger.info("步骤4: 生成配音...")
                voice_file = await self.voice_generator.generate(rewritten_content)
                result["output_files"].append(voice_file)
                result["voice_file"] = voice_file
                
            elif output_format == "video":
                self.logger.info("步骤4: 生成视频...")
                video_file = await self.video_generator.generate(rewritten_content)
                result["output_files"].append(video_file)
                result["video_file"] = video_file
            
            self.logger.info(f"处理完成: {url}")
            return result
            
        except Exception as e:
            self.logger.error(f"处理URL失败 {url}: {str(e)}")
            raise
    
    async def process_batch(self, urls: list, output_format: str = "voice") -> list:
        """
        批量处理多个URL
        
        Args:
            urls: URL列表
            output_format: 输出格式
            
        Returns:
            处理结果列表
        """
        self.logger.info(f"开始批量处理 {len(urls)} 个URL")
        
        tasks = []
        for url in urls:
            task = self.process_url(url, output_format)
            tasks.append(task)
        
        results = await asyncio.gather(*tasks, return_exceptions=True)
        
        # 统计结果
        successful = sum(1 for r in results if not isinstance(r, Exception))
        failed = sum(1 for r in results if isinstance(r, Exception))
        
        self.logger.info(f"批量处理完成: 成功 {successful}, 失败 {failed}")
        return results
    
    def generate_report(self, results: list) -> str:
        """
        生成处理报告
        
        Args:
            results: 处理结果列表
            
        Returns:
            报告文件路径
        """
        report_content = []
        report_content.append("内容自动化创作Agent处理报告")
        report_content.append("=" * 50)
        report_content.append("")
        
        for i, result in enumerate(results, 1):
            if isinstance(result, Exception):
                report_content.append(f"任务 {i}: 失败 - {str(result)}")
            else:
                report_content.append(f"任务 {i}: 成功")
                report_content.append(f"  URL: {result['url']}")
                report_content.append(f"  原始内容长度: {len(result['original_content'])} 字符")
                report_content.append(f"  改写后长度: {len(result['rewritten_content'])} 字符")
                report_content.append(f"  输出文件: {', '.join(result['output_files'])}")
                report_content.append("")
        
        # 保存报告
        report_path = Path(self.config['paths']['output']) / f"report_{asyncio.get_event_loop().time()}.txt"
        report_path.parent.mkdir(parents=True, exist_ok=True)
        
        with open(report_path, 'w', encoding='utf-8') as f:
            f.write('\n'.join(report_content))
        
        self.logger.info(f"报告已生成: {report_path}")
        return str(report_path)


async def main():
    """主函数"""
    # 检查命令行参数
    if len(sys.argv) < 2:
        print("用法: python main.py <url1> [url2] ... [选项]")
        print("选项:")
        print("  --format voice    生成配音文件(默认)")
        print("  --format video    生成视频文件")
        print("  --format text     仅生成文本")
        sys.exit(1)
    
    # 解析参数
    urls = []
    output_format = "voice"
    
    for arg in sys.argv[1:]:
        if arg.startswith("--format="):
            output_format = arg.split("=")[1]
        elif arg.startswith("--format"):
            # 处理 --format video 这种格式
            format_index = sys.argv.index(arg)
            if format_index + 1 < len(sys.argv):
                output_format = sys.argv[format_index + 1]
        elif not arg.startswith("--"):
            urls.append(arg)
    
    if not urls:
        print("错误: 请提供至少一个URL")
        sys.exit(1)
    
    # 初始化Agent
    try:
        agent = ContentAutomationAgent()
    except Exception as e:
        print(f"初始化Agent失败: {e}")
        sys.exit(1)
    
    # 处理URL
    try:
        if len(urls) == 1:
            # 单个URL处理
            result = await agent.process_url(urls[0], output_format)
            print(f"处理完成!")
            print(f"输出文件: {result['output_files']}")
        else:
            # 批量处理
            results = await agent.process_batch(urls, output_format)
            report_path = agent.generate_report(results)
            print(f"批量处理完成!")
            print(f"详细报告: {report_path}")
            
    except Exception as e:
        print(f"处理失败: {e}")
        sys.exit(1)


if __name__ == "__main__":
    asyncio.run(main())