# -*- coding: utf-8 -*-
"""
Flask Web 登录小红书创作者中心
- 前端输入手机号和验证码
- 后端用 Playwright 自动登录
"""

from flask import Flask, render_template, request, redirect, url_for, flash, session


import time
from playwright.sync_api import sync_playwright
import requests

def get_working_proxy(test_url="https://creator.xiaohongshu.com"):
    proxy_url = 'http://api.tianqiip.com/getip?secret=ew9mj7j3yplbk3xb&num=1&type=txt&port=1&time=3&mr=1&sign=5451e454a54b9f1f06222606c418e12f'
    try:
        resp = requests.get(proxy_url, timeout=10)
        proxy_content = resp.content.decode("utf-8").strip()
        proxy_ip, proxy_port = proxy_content.split(":", 1)
        proxy_server = f"http://{proxy_ip}:{proxy_port}"
        proxies = {"http": proxy_server, "https": proxy_server}
        # 检查代理可用性
        try:
            test = requests.get(test_url, proxies=proxies, timeout=8)
            if test.status_code == 200:
                print(f"代理可用: {proxy_server}")
                return proxy_server
            else:
                print(f"代理返回非200: {proxy_server}")
        except Exception as e:
            print(f"代理不可用: {proxy_server}, {e}")
    except Exception as e:
        print("获取代理失败", e)
    return None

app = Flask(__name__)
app.secret_key = 'xhs_secret_key'

# 步骤1：输入手机号，自动打开浏览器并填手机号，等待用户手动点击发送验证码
@app.route('/', methods=['GET'])
def index():
    return render_template('login.html')

@app.route('/send_code', methods=['POST'])
def send_code():
    phone = request.form.get('phone')
    if not phone:
        flash('请输入手机号')
        return redirect(url_for('index'))
    session['phone'] = phone
    # 获取可用代理
    proxy_server = get_working_proxy()
    if proxy_server:
        print(f"使用代理: {proxy_server}")
    else:
        print("未获取到可用代理，使用本地IP")

    with sync_playwright() as p:
        launch_args = {"headless": False}
        if proxy_server:
            launch_args["proxy"] = {"server": proxy_server}
        browser = p.chromium.launch(**launch_args)
        context = browser.new_context()
        page = context.new_page()
        page.goto("https://creator.xiaohongshu.com/login?source=&redirectReason=401&lastUrl=%252Fnew%252Fhome")
        page.get_by_role("textbox", name="手机号").click()
        page.get_by_role("textbox", name="手机号").fill(phone)
        page.get_by_text("发送验证码").click()
        # 等待用户收到验证码
        input("验证码已自动发送，请查收手机短信并输入验证码，操作完成后回到命令行按回车...")
        # 保存 context 到磁盘，后续用
        context.storage_state(path="state.json")
        browser.close()
    flash('验证码已发送，请查收手机短信并输入验证码')
    return redirect(url_for('index'))

# 步骤2：输入验证码，自动登录
@app.route('/login', methods=['POST'])
def login():
    code = request.form.get('code')
    phone = session.get('phone')
    if not code or not phone:
        flash('请先输入手机号并发送验证码')
        return redirect(url_for('index'))
    # 获取可用代理
    proxy_server = get_working_proxy()
    if proxy_server:
        print(f"使用代理: {proxy_server}")
    else:
        print("未获取到可用代理，使用本地IP")

    with sync_playwright() as p:
        launch_args = {"headless": False}
        if proxy_server:
            launch_args["proxy"] = {"server": proxy_server}
        context = p.chromium.launch_persistent_context(user_data_dir=".", storage_state="state.json", **launch_args)
        page = context.pages[0] if context.pages else context.new_page()
        page.goto("https://creator.xiaohongshu.com/login?source=&redirectReason=401&lastUrl=%252Fnew%252Fhome")
        # 填写验证码并登录
        page.wait_for_selector('input[placeholder*="验证码"]', timeout=15000)
        vcode_box = page.locator('input[placeholder*="验证码"]')
        vcode_box.fill(code)
        page.get_by_role("button", name="登 录").click()
        # 等待跳转
        try:
            page.wait_for_url("**/new/home", timeout=20000)
            flash('登录成功！')
            # 保存 cookies
            context.storage_state(path="cookies.json")
        except Exception as e:
            flash('登录失败，请检查验证码')
        context.close()
    return redirect(url_for('index'))

if __name__ == '__main__':
    app.run(debug=True)