# -*- coding: utf-8 -*-
"""探测当前页面状态"""
import sys, socket, json, time
sys.stdout.reconfigure(encoding='utf-8')
HOST = "localhost"; PORT = 28800
PAGE_ID = "05A421A861953C0FFB3712503B85EE82"

def ws():
    import urllib.parse
    u = "ws://%s:%s/devtools/page/%s" % (HOST, PORT, PAGE_ID)
    p = urllib.parse.urlparse(u)
    s = socket.create_connection((p.hostname, p.port or 80), timeout=15)
    req = ("GET %s HTTP/1.1\r\nHost: %s:%s\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\nSec-WebSocket-Version: 13\r\n\r\n" % (p.path, p.hostname, p.port))
    s.send(req.encode())
    resp = b''
    while b'\r\n\r\n' not in resp: resp += s.recv(4096)
    return s

def send(s, d):
    d = d.encode('utf-8'); n = len(d); m = b'\x01\x02\x03\x04'
    if n <= 125: h = bytes([0x81, n|0x80]) + m
    elif n <= 65535: h = bytes([0x81, 0xFE]) + n.to_bytes(2,'big') + m
    else: h = bytes([0x81, 0xFF]) + n.to_bytes(8,'big') + m
    s.send(h + bytes(d[i]^m[i%4] for i in range(n)))

def recv(s):
    def rx(n):
        b = b''
        while len(b) < n: b += s.recv(n-len(b))
        return b
    h = rx(2); n = h[1]&0x7f
    if n == 126: n = int.from_bytes(rx(2),'big')
    elif n == 127: n = int.from_bytes(rx(8),'big')
    return rx(n).decode('utf-8')

_mid = 0
def cdp(s, js, timeout=15):
    global _mid
    _mid += 1
    send(s, json.dumps({'id':_mid,'method':'Runtime.evaluate','params':{'expression':js,'returnByValue':True}}))
    s.settimeout(timeout)
    for _ in range(200):
        try:
            r = json.loads(recv(s))
            if r.get('id') == _mid:
                return r.get('result',{}).get('result',{}).get('value','')
        except: pass
    return ''

s = ws()
print("[OK] Connected")

# 1. 检查 window.UE_V2（主页面）
r = cdp(s, "var k=Object.keys(window.UE_V2||{});JSON.stringify(k)")
print("[UE_V2 keys]", r)

# 2. 检查 iframe UE
r = cdp(s, "var ifr=document.querySelectorAll('iframe');var out=[];for(var i of ifr){try{var w=i.contentWindow;var d=i.contentDocument||i.contentWindow.document;var keys=Object.keys(w);out.push({hasUE:'UE_V2' in w,keys:keys.filter(function(k){return k.includes('UE')||k.includes('editor')||k.includes('instants')}).join(',')})}catch(e){out.push({err:e.message})}}JSON.stringify(out)")
print("[iframe]", r)

# 3. 检查字数
r = cdp(s, "var out=[];var els=document.querySelectorAll('*');for(var el of els){var t=(el.innerText||'').trim();if(t.match(/字数/)&&t.match(/\\d+/))out.push(t)}out.join(' | ')")
print("[字数]", r[:150])

# 4. 检查标题内容
r = cdp(s, "var ps=document.querySelectorAll('p');var out=[];for(var p of ps){var t=(p.innerText||'').trim();if(t.length>0&&t.length<300&&!t.includes('AI助手')&&!t.includes('插入'))out.push(t.substring(0,40))}out.join('||')")
print("[标题]", r[:150])

s.close()
