#!/usr/bin/env python3
"""
多平台内容发布脚本
将「待发布」的文章发布到各平台（知乎/公众号/小红书/B站/头条号）
支持单个 topic 生成发布包模式（--topic-id）
"""

import json, datetime, logging, sys, subprocess, time
from pathlib import Path
from typing import Dict, List
import argparse

PROJECT_ROOT = Path('/root/.openclaw/workspaces/yzr-yxl/projects/yu-zhi-ran')
sys.path.insert(0, str(PROJECT_ROOT))

DATA_DIR = PROJECT_ROOT / "automation" / "data"
TOPICS_FILE = DATA_DIR / "sustainability_topics.json"
RELEASES_DIR = DATA_DIR / "releases"
LOGS_DIR = PROJECT_ROOT / "automation" / "logs"
TODAY = datetime.datetime.now().strftime("%Y-%m-%d")

logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(levelname)s - %(message)s',
    handlers=[
        logging.FileHandler(LOGS_DIR / f"publisher_{TODAY}.log"),
        logging.StreamHandler()
    ]
)
logger = logging.getLogger(__name__)

# 命令行参数
parser = argparse.ArgumentParser(description='发布管理脚本')
parser.add_argument('--topic-id', help='仅处理指定 topic ID')
args = parser.parse_args()

# 平台配置
PLATFORMS = {
    "zhihu": {"name": "知乎", "enabled": True, "template": "zhihu.html"},
    "wechat": {"name": "微信公众号", "enabled": False, "template": "wechat.html"},  # 需手动授权
    "xiaohongshu": {"name": "小红书", "enabled": True, "template": "xiaohongshu.html"},
    "bilibili": {"name": "B站", "enabled": False, "template": "bilibili.html"},  # 规划中
    "toutiao": {"name": "头条号", "enabled": False, "template": "toutiao.html"}   # 规划中
}

def load_topics() -> List[Dict]:
    with open(TOPICS_FILE, 'r', encoding='utf-8') as f:
        return json.load(f)

def save_topics(topics: List[Dict]):
    with open(TOPICS_FILE, 'w', encoding='utf-8') as f:
        json.dump(topics, f, ensure_ascii=False, indent=2)

def get_ready_topics() -> List[Dict]:
    topics = load_topics()
    ready = [t for t in topics if t.get('status') == '待发布']
    ready.sort(key=lambda t: t.get('ready_at', ''), reverse=True)  # 优先最新
    return ready, topics

def publish_to_xiaohongshu(html_path: Path, topic: Dict) -> bool:
    """小红书：复制HTML到发布目录（供手动发布）"""
    logger.info(f"准备小红书发布: {topic['id']}")
    try:
        publish_base = PROJECT_ROOT / "content" / "published"
        dest_dir = publish_base / topic['id'] / "手动发布" / "小红书"
        dest_dir.mkdir(parents=True, exist_ok=True)
        
        dest_html = dest_dir / "文章.html"
        import shutil
        shutil.copy2(html_path, dest_html)
        
        logger.info(f"✅ 小红书发布包就绪: {dest_dir}")
        return True, str(dest_dir)
    except Exception as e:
        logger.error(f"小红书发布准备失败: {e}")
        return False, None

def publish_to_zhihu(html_path: Path, topic: Dict) -> bool:
    """知乎：复制HTML到发布目录"""
    logger.info(f"准备知乎发布: {topic['id']}")
    try:
        publish_base = PROJECT_ROOT / "content" / "published"
        dest_dir = publish_base / topic['id'] / "手动发布" / "知乎"
        dest_dir.mkdir(parents=True, exist_ok=True)
        
        dest_html = dest_dir / "文章.html"
        import shutil
        shutil.copy2(html_path, dest_html)
        
        logger.info(f"✅ 知乎发布包就绪: {dest_dir}")
        return True, str(dest_dir)
    except Exception as e:
        logger.error(f"知乎发布准备失败: {e}")
        return False, None

def publish_to_wechat(html_path: Path, topic: Dict) -> bool:
    """微信公众号：复制HTML到发布目录"""
    logger.info(f"准备微信公众号发布: {topic['id']}")
    try:
        publish_base = PROJECT_ROOT / "content" / "published"
        dest_dir = publish_base / topic['id'] / "手动发布" / "微信公众号"
        dest_dir.mkdir(parents=True, exist_ok=True)
        
        dest_html = dest_dir / "文章.html"
        import shutil
        shutil.copy2(html_path, dest_html)
        
        logger.info(f"✅ 微信公众号发布包就绪: {dest_dir}")
        return True, str(dest_dir)
    except Exception as e:
        logger.error(f"微信公众号发布准备失败: {e}")
        return False, None

def publish_to_platform(platform: str, html_path: Path, topic: Dict) -> (bool, str):
    """生成平台发布包（人工发布）"""
    if platform == "xiaohongshu":
        return publish_to_xiaohongshu(html_path, topic)
    elif platform == "zhihu":
        return publish_to_zhihu(html_path, topic)
    elif platform == "wechat":
        return publish_to_wechat(html_path, topic)
    else:
        logger.warning(f"平台 {platform} 暂未支持")
        return False, None

def main():
    logger.info("=== 多平台内容发布包生成开始 ===")
    ready, all_topics = get_ready_topics()
    if not ready:
        logger.info("没有待发布内容")
        sys.exit(0)

    # 如果指定了 topic-id，只处理该选题
    if args.topic_id:
        ready = [t for t in ready if t['id'] == args.topic_id]
        if not ready:
            logger.info(f"未找到指定 topic ID: {args.topic_id}")
            sys.exit(0)

    results = []
    for topic in ready:
        tid = topic['id']
        title = topic.get('title', '')[:50]
        release_date = topic.get('ready_at', TODAY)
        release_dir = RELEASES_DIR / release_date

        platform_urls = topic.get('platform_urls', {})

        for platform, config in PLATFORMS.items():
            if not config['enabled']:
                continue
            # 检查是否已发布过
            if platform in platform_urls and platform_urls[platform]:
                logger.info(f"跳过已发布: {tid} - {platform}")
                continue

            html_file = release_dir / platform / f"{platform}_{tid}_{platform}.html"
            if not html_file.exists():
                logger.warning(f"HTML文件不存在: {html_file}")
                continue

            # 生成发布包（不自动发布）
            success, info = publish_to_platform(platform, html_file, topic)
            if success:
                results.append((tid, platform, info))
                logger.info(f"✅ {tid} 发布包已准备: {platform}")
            else:
                logger.error(f"❌ {tid} 发布包准备失败: {platform}")

    # 汇总报告
    summary_file = LOGS_DIR / f"publisher_summary_{TODAY}.json"
    summary = {
        "date": TODAY,
        "total_ready": len(ready),
        "packages_generated": len(results),
        "details": [{"topic_id": r[0], "platform": r[1], "path": r[2]} for r in results]
    }
    with open(summary_file, 'w', encoding='utf-8') as f:
        json.dump(summary, f, ensure_ascii=False, indent=2)

    logger.info(f"📦 发布包生成完成: {len(results)} 个平台发布包已就绪")
    print(f"PUBLISH_PACKAGES_READY: {len(results)} packages generated")
    sys.exit(0)

if __name__ == "__main__":
    main()