#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
鹰潭高新区 - 通知公告
站点: gxq.yingtan.gov.cn/col/col3917/index.html
CMS: 大汉 col/col (内嵌 JS 数组列表)
列表: JS 变量 urls[i]='/art/2026/8/11/art_3917_1607115.html'; headers[i]="•标题"; year/month/day
      分页 JS 函数 showNews_13804(nowpage) + data 数组 (每页20条)
详情: meta ArticleTitle/PubDate + div#News_Body.bfr_article_content 正文
用法: python3 crawl_gxq_yingtan_tzgg.py [--pages=N | N]
"""
import re, sys, os, json, html as html_mod
from urllib.parse import urljoin
import requests, sqlite3

SITE_NAME = "鹰潭高新区-通知公告"
BASE_URL = "http://gxq.yingtan.gov.cn"
LIST_URL = "http://gxq.yingtan.gov.cn/col/col3917/index.html"
DOMAIN = "gxq.yingtan.gov.cn"
GROUP = "江西"
CUTOFF = "2023-01-01"
DB_PATH = os.environ.get("DB_PATH", "/root/search.db")

HEADERS = {
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36",
    "Referer": LIST_URL,
}

def clean_title(t):
    t = re.sub(r"·| | |\u200b|\ufeff", "", t or "")
    t = re.sub(r"^[•·]\s*", "", t)
    return re.sub(r"\s+", " ", t).strip()

def normalize_date(s):
    m = re.search(r"(\d{4})[年\-/. ](\d{1,2})[月\-/. ](\d{1,2})", s or "")
    if m:
        y, mo, d = int(m.group(1)), int(m.group(2)), int(m.group(3))
        return f"{y:04d}-{mo:02d}-{d:02d}"
    return ""

def fetch(url, retries=3):
    for i in range(retries):
        try:
            resp = requests.get(url, timeout=30, headers=HEADERS, verify=False)
            resp.encoding = "utf-8"
            if resp.status_code == 200:
                return resp.text
        except Exception:
            if i < retries - 1:
                import time; time.sleep(2)
    return None

def extract_list_items(html_text, base_url):
    """从内嵌 JS 数组提取: urls[i]='...';headers[i]="...";year[i]='...';month/day"""
    items = []
    if not html_text:
        return items
    # 顺序格式: urls[i]='URL';headers[i]="TITLE";year[i]='YYYY';month[i]='MM';day[i]='DD'
    pat = re.compile(
        r"urls\[i\]='([^']+)'.*?headers\[i\]=\"([^\"]*)\".*?year\[i\]='(\d+)'.*?month\[i\]='(\d+)'.*?day\[i\]='(\d+)'",
        re.S)
    seen = set()
    for m in pat.finditer(html_text):
        href, title = m.group(1).strip(), clean_title(m.group(2))
        if not title:
            continue
        if href in seen:
            continue
        seen.add(href)
        pub_date = f"{m.group(3)}-{m.group(4)}-{m.group(5)}"
        detail_url = urljoin(base_url, href) if not href.startswith("http") else href
        items.append({"title": title, "url": detail_url, "pub_date": pub_date, "href_raw": href})
    return items

def parse_detail(url):
    html_text = fetch(url)
    if not html_text:
        return None
    title = ""
    m = re.search(r'<meta\s+name="ArticleTitle"\s+content="([^"]*)"', html_text)
    if m:
        title = clean_title(m.group(1))
    if not title:
        m = re.search(r"<title>(.*?)</title>", html_text, re.DOTALL)
        if m:
            title = clean_title(re.sub(r"[-_—]\s*.*$", "", m.group(1).strip()))
    pub_date = ""
    m = re.search(r'<meta\s+name="PubDate"\s+content="([^"]*)"', html_text)
    if m:
        pub_date = normalize_date(m.group(1))
    body_html = ""
    m = re.search(r'<div[^>]+(?:id|class)="?[^"]*News_Body[^"]*"?[^>]*>(.*)', html_text, re.DOTALL)
    if m:
        raw = m.group(1)
        cut = re.search(r'</div>\s*<!--|</div>\s*</div>\s*(?:<div[^>]+class="[^"]*(?:footer|share|print)|<ul[^>]+class="[^"]*(?:share|print))', raw)
        if cut:
            body_html = raw[:cut.start() + 6]
        else:
            end = raw.find("</div>")
            body_html = raw[:end + 6] if end != -1 else raw
    body_html = re.sub(r"<script[^>]*>.*?</script>", "", body_html, flags=re.S | re.I)
    body_html = re.sub(r"<style[^>]*>.*?</style>", "", body_html, flags=re.S | re.I)
    atts = []
    for m in re.finditer(r'<a[^>]*href="([^"]+)"[^>]*>([^<]{0,120})</a>', body_html):
        href, name = m.group(1).strip(), clean_title(m.group(2))
        if re.search(r"\.(pdf|doc|docx|xls|xlsx|zip|rar|wps|7z|et|dps)$", href, re.I):
            abs_url = href if href.startswith("http") else (BASE_URL + href if href.startswith("/") else urljoin(url, href))
            if not any(a["url"] == abs_url for a in atts):
                atts.append({"name": name or href.split("/")[-1], "url": abs_url})
    def abs_link(m):
        href = m.group(1).strip()
        if href.startswith("http") or href.startswith("javascript") or href.startswith("#"):
            return m.group(0)
        if href.startswith("//"):
            return m.group(0).replace(href, "http:" + href)
        return m.group(0).replace(href, BASE_URL + href if href.startswith("/") else urljoin(url, href))
    body_html = re.sub(r'href="([^"]+)"', abs_link, body_html)
    body_html = re.sub(r'src="([^"]+)"', abs_link, body_html)
    body_html = re.sub(r'<div[^>]*class="[^"]*(share|ewm|qrcode|print|bshare)[^"]*"[^>]*>.*?</div>', "", body_html, flags=re.S | re.I)
    body_html = re.sub(r'<p>\s*</p>', "", body_html)
    body_html = re.sub(r'<p[^>]*>', "<p>", body_html)
    if atts:
        has_att = any(a["url"] in body_html for a in atts)
        if not has_att:
            att_html = "".join(f'<p><a href="{a["url"]}">{html_mod.escape(a["name"])}</a></p>' for a in atts)
            body_html = body_html.rstrip() + "\n" + att_html
    text_len = len(re.sub(r"<[^>]+>", "", body_html).strip())
    has_img = "<img" in body_html
    has_video = "<iframe" in body_html or "video" in body_html
    if text_len < 5 and not has_img and not has_video and not atts:
        return {"title": title, "content": "", "pub_date": pub_date, "attachments": []}
    return {"title": title, "content": body_html, "pub_date": pub_date, "attachments": atts}

def _store(detail, it):
    row = {
        "site_name": SITE_NAME,
        "source_url": it["url"],
        "page_url": it["url"],
        "title": detail["title"] or it["title"],
        "publish_date": detail["pub_date"] or it["pub_date"],
        "content": detail["content"],
        "summary": (detail["content"] or "")[:500],
        "category": "环境保护",
        "script_name": os.path.basename(__file__),
    }
    conn = sqlite3.connect(DB_PATH, timeout=60)
    conn.execute("PRAGMA busy_timeout=60000")
    c = conn.cursor()
    try:
        c.execute(
            "INSERT OR IGNORE INTO gov_raw (site_name, source_url, page_url, title, publish_date, content, summary, category, script_name) VALUES (?,?,?,?,?,?,?,?,?)",
            (row["site_name"], row["source_url"], row["page_url"], row["title"], row["publish_date"], row["content"], row["summary"], row["category"], row["script_name"]))
        conn.commit()
    except Exception:
        pass
    conn.close()

def crawl(pages=1):
    stored = skipped = 0
    seen_urls = set()
    html_text = fetch(LIST_URL)
    if not html_text:
        print("[list] 无法获取")
        return
    # 内嵌 JS 数据数组: 提取全部条目 (showNews 函数渲染 1 页, 但数据全在页面)
    items = extract_list_items(html_text, LIST_URL)
    if not items:
        print("[list] 未找到条目")
        return
    for it in items:
        if it["url"] in seen_urls:
            continue
        seen_urls.add(it["url"])
        if not it["pub_date"] or it["pub_date"] < CUTOFF:
            continue
        detail = parse_detail(it["url"])
        if not detail:
            continue
        if not detail.get("content"):
            detail = {"title": it["title"], "publish_date": it["pub_date"], "content": "", "pub_date": it["pub_date"]}
        detail["title"] = detail["title"] or it["title"]
        detail["publish_date"] = detail.get("publish_date") or it["pub_date"]
        _store(detail, it)
        if detail["content"]:
            stored += 1
        else:
            skipped += 1
    print(f"[{SITE_NAME}] items={len(items)} stored={stored} skipped={skipped}")

if __name__ == "__main__":
    import time
    _MAX_PG = 1
    for a in sys.argv[1:]:
        if a.startswith("--pages="):
            try:
                _MAX_PG = int(a.split("=", 1)[1])
            except ValueError:
                pass
        elif a.isdigit():
            _MAX_PG = int(a)
    crawl(pages=_MAX_PG)