#!/usr/bin/env python3
"""
新乡市生态环境局 - 环评公示 (sthjj.xinxiang.gov.cn)
列表: /zwgk/public/column/6638717?type=4&catId=6720855&action=list
详情: /zwgk/public/6638717/{contentId}.html
正文: div.content
CMS: 政府信息公开平台，静态列表+JS渲染
"""
import sys, os, re, time
from datetime import datetime, timezone, timedelta
import requests, urllib3
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
from crawler_lib import push_to_searchdb
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

SITE_NAME = "新乡市生态环境局"
BASE_URL = "https://sthjj.xinxiang.gov.cn"
LIST_URL = "https://sthjj.xinxiang.gov.cn/zwgk/public/column/6638717?type=4&catId=6720855&action=list"
MAX_PAGES = 5
CUTOFF = (datetime.now(timezone.utc) - timedelta(days=365*3)).strftime("%Y-%m-%d")
HEADERS = {"User-Agent": "Mozilla/5.0"}

def fetch(url):
    try:
        r = requests.get(url, headers=HEADERS, timeout=20, verify=False)
        r.encoding = 'utf-8'
        return r.text
    except:
        return None

def parse_list(html):
    """解析列表：<a href="..." title="title">  + 附近 <span>date</span>"""
    items = []
    # 政府信息公开平台列表：<a href="..." title="标题">...</a> 附近有日期span
    for m in re.finditer(r'<a[^>]*href="((?:https?:)?//sthjj\.xinxiang\.gov\.cn[^"]*)"[^>]*title="([^"]*)"', html):
        href = m.group(1)
        title = m.group(2).strip()
        if not title or not href:
            continue
        # 找日期：在href前后找 <span class="date"> 或 <span>YYYY-MM-DD</span>
        span_dates = re.findall(r'<span[^>]*class="[^"]*date[^"]*"[^>]*>(\d{4}-\d{2}-\d{2})</span>', html)
        # 简单的：按出现顺序配对，先暂时用页面中的日期
        items.append((title, href, span_dates[len(items)] if len(span_dates) > len(items) else ""))
    return items

def get_total_pages(html):
    m = re.search(r'page_(\d+)\.html[^>]*>末页', html)
    if m: return int(m.group(1))
    pages = re.findall(r'page_(\d+)', html)
    if pages: return max(int(p) for p in pages)
    return 1

def fetch_detail(url):
    html = fetch(url)
    if not html:
        return None, None, None
    title = ""
    m = re.search(r'<title>([^<]+)', html)
    if m: title = re.sub(r'[-_—|].*', '', m.group(1)).strip()
    content = ""
    # Extract content from ls-article-info container
    from bs4 import BeautifulSoup
    soup = BeautifulSoup(html, 'html.parser')
    info_div = soup.find('div', class_='ls-article-info')
    if info_div:
        raw = str(info_div)
        raw = re.sub(r'<script[^>]*>.*?</script>', '', raw, flags=re.DOTALL|re.I)
        raw = re.sub(r'<style[^>]*>.*?</style>', '', raw, flags=re.DOTALL|re.I)
        raw = re.sub(r' style="[^"]*"', '', raw)
        content = raw.strip()
    if not content:
        # Fallback: look for government document content
        m = re.search(r'(<p[^>]*class="MsoNormal"[^>]*>.*?</p>)', html, re.DOTALL)
        if m: content = m.group(1)
    # date
    date = ""
    m = re.search(r'PubDate["\'][^>]*content=["\']([^"\']+)', html, re.I)
    if m: date = m.group(1)[:10]
    return title, content, date

def run(args=None):
    incremental = False
    if args and '1' in args:
        incremental = True
    print(f"爬取: {SITE_NAME}")
    html = fetch(LIST_URL)
    if not html:
        print("  ❌ 无法获取列表页")
        return
    items = parse_list(html)
    print(f"  列表: {len(items)} 条")
    
    results = []
    for i, (title, url, date) in enumerate(items):
        if not url.startswith('http'):
            url = BASE_URL + url
        print(f"  [{i+1}/{len(items)}] {title[:40]}...", end=" ", flush=True)
        dt, content, d2 = fetch_detail(url)
        if not content or len(content) < 30:
            print("内容过短")
            continue
        results.append({
            "site_name": SITE_NAME, "title": dt or title,
            "url": url, "content": content,
            "pub_date": d2 or date,
            "category": "环评公示", "tags": "新乡",
        })
        print(f"✅ ({len(content)}字)")
        time.sleep(0.3)
    
    if results:
        print(f"\n  入库 {len(results)} 条")
        push_to_searchdb(results, "xx_sthj")
    print("完成")

if __name__ == "__main__":
    run(sys.argv[1] if len(sys.argv)>1 else None)
