"""

"""
import logging
import threading

from playwright.sync_api import sync_playwright, Page, Playwright

import api

HUITUN_URL = 'https://xhs.huitun.com/'


def is_element_present(page, selector):
    try:
        page.wait_for_selector(selector, timeout=2000)
        return True
    except Exception:
        return False


class LockManager():
    """
    全局锁管理，每个手机号只能打开一个上下文相同的浏览器
    """

    def __init__(self):
        self.locks = {}

    def acquire_lock(self, key):
        if key not in self.locks:
            self.locks[key] = threading.Lock()
        acquire = self.locks[key].acquire(timeout=300)
        if acquire:
            logging.info(f"{key} 获取锁成功")

    def release_lock(self, key):
        if key in self.locks:
            self.locks[key].release()
            logging.info(f"{key} 释放锁成功")

    def is_locked(self, key):
        """
        检查给定的键是否处于锁定状态
        """
        if key in self.locks:
            return self.locks[key].locked()
        else:
            return False


lock_manager = LockManager()


class HuiTunBrowser:
    def __init__(self, phone: str):
        api.assert_not_none(phone, "手机号不能为空")
        self.phone = phone
        self.browser = None
        self.page = None
        self.result = None
        self.list_result = []
        self.has_more = False

    def __init_browser__(self, playwright: Playwright):
        self.browser = playwright.chromium.launch_persistent_context(
            user_data_dir=f'./.data/huitun/{self.phone}',
            headless=False,
            slow_mo=1000,
            channel="chrome",
            ignore_https_errors=True,
            args=[
                '--disable-blink-features=AutomationControlled',
                '--incognito',
                '--ignore-certificate-errors-spki-list',
                '--disable-web-security',  # 禁用 Web 安全性，类似于 ChromeOptions 中的 --ignore-certificate-errors-spki-list
                '--no-sandbox',  # 禁用沙盒模式
                '--disable-dev-shm-usage',  # 禁用/dev/shm使用
                '--disable-features=site-per-process',  # 禁用每个站点的进程，类似于 ChromeOptions 中的 --no-sandbox
                '--ignore-certificate-errors',  # 忽略证书错误
                '--disable-features=AutomationControlled'  # 禁用与自动化相关的特性
            ])
        self.browser.add_init_script(path="./stealth.min.js")
        self.page = self.browser.new_page()

    def close(self):
        if self.browser is not None:
            self.browser.close()
        if self.page is not None:
            self.page.close()

    def login(self, password: str):
        """
        登录抖音，一个登录之后，全部的页面都有了登录状态
        :return: 2- 需要验证码 1-登录成功
        """
        with sync_playwright() as playwright:
            self.__init_browser__(playwright)
            self.page.goto(HUITUN_URL)
            if is_element_present(self.page, '.ant-modal-body'):
                if not is_element_present(self.page, 'text=密码登录'):
                    pwd_login = self.page.query_selector('.b9dOaTo9gfF3wLAi7jlXTg\=\=')
                    if pwd_login is not None:
                        pwd_login.click()
                self.page.get_by_placeholder('请输入手机号').type(self.phone)
                self.page.get_by_placeholder('6-15位数字与字母组合').type(password)
                self.page.get_by_text('登 录', exact=True).click()
                self.page.wait_for_timeout(30_000)

    def search_note(self, tag_name: str, size: int):
        lock_manager.acquire_lock(self.phone)
        try:
            with sync_playwright() as playwright:
                self.__init_browser__(playwright)
                self.list_result = []
                api.assert_not_none(tag_name, "标签不能为空")
                self.page.on('response', self.search_note_handler)
                self.page.goto('https://xhs.huitun.com/#/note/note_search')
                self.page.wait_for_timeout(3000)
                while size is None or len(self.list_result) < size:
                    logging.info('继续搜索用户主页')
                    self.page.evaluate("window.scrollTo(0, document.body.scrollHeight)")
                    self.page.wait_for_timeout(2000)
                    logging.info('搜索用户主页图文结果数：%s', len(self.list_result))
                self.close()
                return self.list_result
        finally:
            lock_manager.release_lock(self.phone)

    def search_note_handler(self, response):
        """
        处理用户主页搜索图文请求响应
        :param response:
        :return:
        """
        if response is not None and '/note/search' in response.url:
            response_body = response.json()
            if response_body.get('status') == 0:
                note_list = response_body.get('extData').get('list')
                if len(self.list_result) == 0:
                    self.list_result = note_list
                else:
                    self.list_result.extend(note_list)