<?php
/**
 * 学信网
 * User: Reaper
 * Date: 2021/8/20
 */

namespace App\Entities;

use QL\QueryList;

class ChSi
{
    //学信网账号密码
    static $User, $PassWord, $School;

    // 初始化抓取学籍信息
    static protected function login()
    {
        $url = "https://account.chsi.com.cn/passport/login?service=https%3A%2F%2Fmy.chsi.com.cn%2Farchive%2Fj_spring_cas_security_check";
        $token = QueryList::get($url);
        $lt = $token->find("input")->eq(2)->attr('value');
        $execution = $token->find("input")->eq(3)->attr('value');
        $_eventId = $token->find("input")->eq(4)->attr('value');
        $submit = $token->find("input")->eq(5)->attr('value');
        if (empty($lt) || empty($execution) || empty($_eventId) || empty($submit)) {
            self::login();
            return 0;
        }
        $postData = array(
            'lt' => $lt,
            'username' => self::$User,
            'password' => self::$PassWord,
            "execution" => $execution,
            '_eventId' => $_eventId,
            'submit' => $submit
        );
        $correct = $token->post($url, $postData)->get("https://my.chsi.com.cn/archive/gdjy/check/show.action?from=xj")->getHtml();
        if (empty($correct)) {
            self::login();
            return 0;
        }
        if (strpos($correct, "微信登录仅支持个人用户使用") != false) {
            return ["code" => 400, "msg" => "您输入的用户名或密码有误。"];
        }
        if (strpos($correct, "输入就读或毕业的学校名称") != false) {
            preg_match("/checkP: \'(.*?)\'/", $correct, $checkP);
            preg_match("/checkV: \'(.*?)\'/", $correct, $checkV);
            $school = $token->post("https://my.chsi.com.cn/archive/gdjy/check/checkarchive.action", [
                "from" => "xj",
                "yxmc" => self::$School,
                $checkP[1] => $checkV[1]
            ])->getHtml();
            $school = json_decode($school, 1);
            if (empty($school["result"]["backUrl"])) {
                if ($school["result"]["leftTimes"]) {
                    return ["code" => 401, "msg" => $school["result"]["errorMessage"]] . "，目前已验证次数：" . $school["result"]["checkFailTimes"] . "剩余次数：" . $school["result"]["leftTimes"];
                } else {
                    return ["code" => 401, "msg" => "验证次数已用完，请明天在试。"];
                }
            }
        }
        $UserHtml = $token->get("https://my.chsi.com.cn/archive/gdjy/xj/show.action");

        $src = $UserHtml->find(".xjxx-img")->src;
        return $token->get($src)->getHtml(0);
    }

    static protected function captcha()
    {
        $id = self::$User . self::$PassWord . self::$School . rand(10000, 99999);
        return "https://account.chsi.com.cn/passport/captcha.image?id=" . $id;
    }

    static public function StudentStatus($User, $PassWord, $School)
    {
        self::$User = $User;
        self::$PassWord = $PassWord;
        self::$School = $School;
        if (empty($User) || empty($PassWord) || empty($School)) {
            return ["code" => 402, "msg" => "账号密码学校不能为空"];
        }
        $login = self::login();
        return $login;
    }
}