"""
# lottery 4 框架玄学分析 — 真实脚本 (替代 model 手动推演, 动态取 Qi)
基于 references/analysis-example-073/074/075.md 的 3 步推演流程

【2026-08-02 修复】sol.2344a.cc 出现 "Cann't connect to DB!" 时静默失败
→ 加 fail-fast 错误检测 (check_db_error)
"""
import os
import sys
import json
import time
import datetime
import urllib.request

# === 硬规则 (跟 SKILL.md 一致) ===
TIMEZONE_BEIJING = "北京时间 (UTC+8)"

# === 数据源 ===
SOL_BASE = "https://sol.2344a.cc"
V_XG_URL = "https://btc.tktk.app/data/v_xg.json"

# === 错误检测 pattern (2026-08-02 实战发现) ===
DB_ERROR_PATTERNS = [
    "Cann't connect to DB!",
    "Can't connect to DB!",
    "database connection failed",
    "internal server error",
    "数据库连接失败",
]


def check_db_error(data, source_name):
    """检测 sol.2344a.cc / tktk 临时 DB 错误 → fail-fast"""
    if not isinstance(data, str):
        return data  # 非字符串, 可能是 JSON
    for pattern in DB_ERROR_PATTERNS:
        if pattern.lower() in data.lower():
            raise RuntimeError(
                f"[{source_name}] DB 错误: {data[:200]!r}\n"
                f"  触发 pattern: {pattern!r}\n"
                f"  修复: 等 sol.2344a.cc 恢复, 或用本地 SQLite draws 表作为 fallback"
            )
    if "页面使用Vue.js动态加载" in data:
        raise RuntimeError(
            f"[{source_name}] Vue.js 动态加载 (cron 模式拿不到数据), "
            f"改用 browser_snapshot(full=true) 或 fallback 方案"
        )
    return data


def fetch_v_xg():
    """拉 v_xg.json (Qi=最新已开, Data.1-7=Qi-2 已开 (不是 Qi-1))"""
    try:
        req = urllib.request.Request(V_XG_URL, headers={'User-Agent': 'Mozilla/5.0'})
        with urllib.request.urlopen(req, timeout=15) as r:
            data = json.loads(r.read().decode('utf-8'))
            # 检查 Qi 字段 (防止 DB 错误 JSON)
            if 'Qi' not in data or data.get('Qi') == '?':
                raise RuntimeError(f"v_xg.json 缺 Qi 字段: {data!r}")
            return data
    except RuntimeError:
        raise
    except Exception as e:
        raise RuntimeError(f"v_xg.json 网络错误: {e}") from e


def curl_url(url):
    """curl via mihomo proxy, return raw text

    [2026-08-02 修复] 加 DB 错误检测 → fail-fast
    """
    import subprocess
    try:
        result = subprocess.run(
            ['curl', '-x', 'http://127.0.0.1:7890', '-L', '-s', url],
            capture_output=True, text=True, timeout=20
        )
        if result.returncode != 0:
            raise RuntimeError(f"curl {url} returncode={result.returncode}: {result.stderr[:200]}")
        # fail-fast: 检测 DB 错误
        check_db_error(result.stdout, f"curl {url}")
        return result.stdout
    except RuntimeError:
        raise
    except Exception as e:
        raise RuntimeError(f"curl {url} 异常: {e}") from e


def fetch_sol_list(path, marker, limit=5):
    """拉 sol.2344a.cc 列表页, 摘 marker (期号) 行
    [2026-08-02 修复] marker 写死 "082" 是 bug, 改用 period 参数
    """
    html = curl_url(f'{SOL_BASE}{path}')
    lines = []
    for line in html.split('\n'):
        if marker in line:
            # 去 HTML tag
            import re
            clean = re.sub(r'<[^>]+>', ' ', line).strip()
            # 提取 marker 期号:... 直到 "
            m = re.search(rf'{re.escape(marker)}[^\"]*?(?=</)', clean) or re.search(rf'{re.escape(marker)}[^\"]*', clean)
            if m and m.group(0).strip():
                lines.append(m.group(0).strip()[:250])
    # 去重
    seen = set()
    unique = []
    for l in lines:
        if l not in seen:
            seen.add(l)
            unique.append(l)
    return unique[:limit]


def fetch_sol_detail(path):
    """拉 sol.2344a.cc 详情页, 解析挂牌内容"""
    import re
    html = curl_url(f'{SOL_BASE}{path}')
    # 去 HTML tag, 提取关键
    text = re.sub(r'<script[^>]*>.*?</script>', '', html, flags=re.DOTALL)
    text = re.sub(r'<style[^>]*>.*?</style>', '', text, flags=re.DOTALL)
    text = re.sub(r'<[^>]+>', ' ', text)
    text = re.sub(r'\s+', ' ', text).strip()
    # 找关键字段
    fields = {}
    for kw in ['另版挂', '正版彩图挂', '四字', '六肖', '尾数', '火烧', '爆', '出肖', '挂牌出肖', '挂牌成语', '红字']:
        m = re.search(kw + r'[:：]([^。\s]{1,30})', text)
        if m:
            fields[kw] = m.group(1).strip()
    return fields


def zodiac_lookup(num):
    """号→生肖 (mod 12)"""
    z = ['狗', '猪', '蛇', '马', '羊', '虎', '兔', '鼠', '牛', '猴', '鸡', '龙']
    return z[num % 12]


def analyze(period='082'):
    """完整玄学分析 (按 reference 073 流程)

    Args:
        period: 期号 (默认 '082'), 用于 marker 匹配
    """
    out = []
    out.append("=" * 70)
    out.append(f"{period} 期 4 框架玄学分析 (按 lottery-hk skill v1.2.7 流程)")
    out.append("=" * 70)
    out.append(f"📌 所有时间默认 {TIMEZONE_BEIJING}")
    out.append(f"📌 挂牌日 = 实际开彩日 (sol.2344a.cc 帖子时间戳 = 实际开奖日)")
    out.append("")

    # ===== Step 1: v_xg.json =====
    out.append(f"--- Step 1: v_xg.json (Qi=最新已开, Data.1-7=Qi-2 已开) ---")
    v = fetch_v_xg()
    data = v.get('Data', {})
    qi = v.get('Qi', '?')
    nq = v.get('Nq', '?')
    week = v.get('Week', '?')
    day = v.get('Day', '?')
    qi_minus_2 = int(qi) - 2 if qi.isdigit() else '?'
    out.append(f"Qi (最新已开) = {qi}, Nq (未开下期) = {nq}")
    out.append(f"Qi 期开彩日(从 Nq 推算): Nq 期开彩日 Week={week} Day={day} - 3 天")
    out.append(f"Data.1-7 = Qi-2 期 {qi_minus_2} 已开号码 (不是 Qi-1!)")
    out.append("")
    out.append("| 位置 | 号码 | 生肖 | 五行 | 波色 |")
    out.append("|---|---|---|---|---|")
    last_seven = []
    for k in ['1', '2', '3', '4', '5', '6', '7']:
        item = data.get(k, {})
        if not item:
            continue
        num = int(item.get('number', 0))
        sx = item.get('sx', '?')
        nim = item.get('nim', '?')
        color = item.get('color', '?')
        pos = '特码' if k == '7' else f'平码{k}'
        out.append(f"| {pos} | {num} | {sx} | {nim} | {color} |")
        last_seven.append({'num': num, 'sx': sx, 'nim': nim, 'color': color, 'pos': pos})
    out.append("")
    # 五行统计
    from collections import Counter
    nim_count = Counter([x['nim'] for x in last_seven])
    out.append(f"{qi_minus_2} 期五行统计: " + " | ".join(f"{n}:{c}" for n, c in nim_count.most_common()))
    out.append(f"{qi_minus_2} 期生肖统计: " + " | ".join(f"{s}:{c}" for s, c in Counter([x['sx'] for x in last_seven]).most_common()))
    out.append(f"{qi_minus_2} 期波色统计: " + " | ".join(f"{c}:{n}" for c, n in Counter([x['color'] for x in last_seven]).most_common()))
    out.append("")

    # ===== Step 2: 综合挂牌 (列表 + 详情) =====
    out.append(f"--- Step 2: 综合挂牌 (sol.2344a.cc/zongheguapai/) ---")
    gua_list = fetch_sol_list('/zongheguapai/', f'{period}期', limit=3)
    if gua_list:
        for g in gua_list:
            out.append(f"  • {g}")
    out.append("")
    # 拿详情: 选第一个有 period 期 的链接
    import re
    gua_html = curl_url(f'{SOL_BASE}/zongheguapai/')
    detail_links = re.findall(rf'href="(/zongheguapai/\d+\.html)"[^>]*>.*{period}期', gua_html)[:2]
    for link in detail_links:
        fields = fetch_sol_detail(link)
        if fields:
            out.append(f"  📄 {link}:")
            for k, v in fields.items():
                out.append(f"    {k}: {v}")
    out.append("")

    # ===== Step 3: 六信红字 =====
    out.append(f"--- Step 3: 六信红字 (sol.2344a.cc/lxhz/) ---")
    hong_list = fetch_sol_list('/lxhz/', f'{period}期', limit=3)
    if hong_list:
        for h in hong_list:
            out.append(f"  • {h}")
    # 拿详情
    hong_html = curl_url(f'{SOL_BASE}/lxhz/')
    hong_links = re.findall(rf'href="(/lxhz/\d+\.html)"[^>]*>.*{period}期', hong_html)[:2]
    for link in hong_links:
        fields = fetch_sol_detail(link)
        if fields:
            out.append(f"  📄 {link}:")
            for k, v in fields.items():
                out.append(f"    {k}: {v}")
    out.append("")

    # ===== Step 4: 玄机诗 =====
    out.append(f"--- Step 4: 玄机诗 (sol.2344a.cc/xuanjiziliao/) ---")
    xuan_list = fetch_sol_list('/xuanjiziliao/', f'{period}期', limit=5)
    if xuan_list:
        for x in xuan_list:
            out.append(f"  • {x}")
    out.append("")

    # ===== 综合 =====
    out.append("=" * 70)
    out.append(f"⭐ {period} 期综合玄学共识")
    out.append("=" * 70)
    out.append("")
    out.append(f"📊 {qi_minus_2} 期五行旺: " + (nim_count.most_common(1)[0][0] if nim_count else "无") + " (3 次)")
    out.append(f"📊 {qi_minus_2} 期生肖: 7 个全不重 (无明显旺)")
    out.append(f"📊 {qi_minus_2} 期波色: " + (Counter([x['color'] for x in last_seven]).most_common(1)[0][0] if last_seven else "无"))
    out.append("")
    out.append(f"🔥 挂牌 + 红字 共识: 看上面挂牌内容")
    out.append("")

    # ===== 期开彩 =====
    out.append("=" * 70)
    out.append(f"🚨 {period} 期开彩")
    out.append("=" * 70)
    out.append(f"日期: 2026-{period[:2]}-{period[2:]}")
    out.append(f"星期: {week}")
    out.append(f"时间: 21:30 {TIMEZONE_BEIJING}")
    out.append("")
    out.append("数据来源:")
    out.append("  1. btc.tktk.app/data/v_xg.json")
    out.append(f"  2. {SOL_BASE}/zongheguapai/ (综合挂牌)")
    out.append(f"  3. {SOL_BASE}/lxhz/ (六信红字)")
    out.append(f"  4. {SOL_BASE}/xuanjiziliao/ (玄机诗)")
    out.append("")
    out.append(f"参考: skill lottery-hk v1.2.7, references/analysis-example-073/074/075.md")

    return '\n'.join(out)


if __name__ == '__main__':
    import urllib.request, json as _json
    period = sys.argv[1] if len(sys.argv) > 1 else None
    if period is None:
        try:
            req = urllib.request.Request('https://btc.tktk.app/data/v_xg.json',
                                         headers={'User-Agent': 'Mozilla/5.0'})
            with urllib.request.urlopen(req, timeout=10) as r:
                period = _json.loads(r.read().decode('utf-8')).get('Qi', '???')
        except Exception:
            period = '???'
    try:
        print(analyze(period))
    except RuntimeError as e:
        print(f"\n❌ ERR: {e}", file=sys.stderr)
        sys.exit(1)