# -*- coding: utf-8 -*-
import socket, json, urllib.request, urllib.parse

HOST = 'localhost'
PORT = 9223

pages = json.loads(urllib.request.urlopen(f'http://{HOST}:{PORT}/json').read())
page_id = [p['id'] for p in pages if 'baijiahao.baidu.com' in p['url']][0]

ws_url = f'ws://{HOST}:{PORT}/devtools/page/{page_id}'
parsed = urllib.parse.urlparse(ws_url)
sock = socket.create_connection((parsed.hostname, parsed.port or 80), timeout=15)
key = 'dGhlIHNhbXBsZSBub25jZQ=='
handshake = f'GET {parsed.path} HTTP/1.1\r\nHost:{parsed.hostname}:{parsed.port}\r\nUpgrade:websocket\r\nConnection:Upgrade\r\nSec-WebSocket-Key:{key}\r\nSec-WebSocket-Version:13\r\n\r\n'
sock.send(handshake.encode())
resp = b''
while b'\r\n\r\n' not in resp:
    resp += sock.recv(4096)

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

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

# 查找输入框的实际内容
expr = """
(function(){
    var results = [];
    
    // 1. 检查标题输入框 (input-box 内的 contenteditable)
    var inputBox = document.querySelector('.input-box');
    var titleContent = '';
    if(inputBox){
        var editable = inputBox.querySelector('[contenteditable]');
        if(editable) titleContent = 'input-box contenteditable: ' + (editable.innerText || '').substring(0,50);
    }
    
    // 2. 检查 textarea (模拟器)
    var textarea = document.querySelector('textarea[class*="simulator"]');
    if(textarea) titleContent += ' | textarea: ' + (textarea.value || '').substring(0,50);
    
    // 3. 检查 word-count 区域
    var wordCount = document.querySelector('[class*="word-count"]');
    var countText = wordCount ? wordCount.innerText : 'not found';
    
    return titleContent + ' | count: ' + countText;
})()
"""
send(sock, {'id':1,'method':'Runtime.evaluate','params':{'expression':expr}})
r = recv(sock)
print('标题内容诊断:')
print(json.loads(r)['result']['result']['value'])

# 也检查 UEditor 的内容
expr2 = """
(function(){
    var keys = Object.keys(UE_V2.instants);
    var inst = UE_V2.instants[keys[0]];
    return 'editor content length: ' + (inst.getContent ? inst.getContent().length : 'no getContent');
})()
"""
send(sock, {'id':2,'method':'Runtime.evaluate','params':{'expression':expr2}})
r2 = recv(sock)
print('\\n正文内容诊断:')
print(json.loads(r2)['result']['result']['value'])

sock.close()
