<?php
header('Content-Type: application/json');

// 获取传入的 OpenID 值
$openid = $_GET['openid'];

// 引用配置，建立数据库连接
require_once 'ApiConfig.php';
$conn = new mysqli(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_NAME);


// 检查连接是否成功
if ($conn->connect_error) {
die("连接失败: " . $conn->connect_error);
}

$courseID=$_GET['courseID'];
$courseName=$_GET['courseName'];
$coursePswdCode=$_GET['coursePswdCode'];
$courseEndDate=$_GET['courseEndDate'];
$courseInfo=$_GET['courseInfo'];
$courseCount=$_GET['courseCount'];

// 查询数据库中符合条件的记录
$sql = "SELECT * FROM 用户信息 WHERE OpenID='$openid' AND 是否管理员='1'";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
    $sql2 = "SELECT * FROM 课程口令码 WHERE 口令码='$coursePswdCode'";
    $result2 = $conn->query($sql2);
    if ($result2->num_rows === 0) {
        // 口令码不存在才能插入
        $insertdate_sql = "INSERT INTO 课程口令码 (课程id, 课程, 口令码, 口令结束日期, 课程介绍, 剩余有效次数) VALUES ('$courseID', '$courseName', '$coursePswdCode', '$courseEndDate', '$courseInfo', '$courseCount')";
        $insertdate_result = $conn->query($insertdate_sql);
        if ($insertdate_result === TRUE) {
            $select_sql_1 = "SELECT * FROM 课程口令码 WHERE 口令码='$coursePswdCode'";
            $select_result_1 = $conn->query($select_sql_1);
            if ($select_result_1->num_rows > 0) {
                $insertdate_row = $select_result_1->fetch_assoc();
                echo json_encode(["result" => "口令码添加成功", "Data" => $insertdate_row]);
                }
        }
    } else {echo json_encode(["result" => "口令码已存在", "Data" => null]);}
} else {echo json_encode(["result" => "无权访问", "Data" => null]);}
// 关闭数据库连接
$conn->close();
?>