/* -------------------- 配置 -------------------- */
const sPayMallUrl = "http://127.0.0.1:8092";

/* -------------------- 工具函数 -------------------- */
function setCookie(name, value, days) {
    const date = new Date();
    date.setTime(date.getTime() + days * 24 * 60 * 60 * 1000);
    document.cookie = `${name}=${value};expires=${date.toUTCString()};path=/`;
}

/* -------------------- 主逻辑 -------------------- */
document.addEventListener("DOMContentLoaded", () => {
    // 1) 先拿二维码 ticket
    fetch(`${sPayMallUrl}/api/v1/login/weixin_qrcode_ticket`)
        .then(res => res.json())
        .then(data => {
            if (data.code !== "0000") {
                console.error("获取二维码 ticket 失败:", data.info);
                return;
            }

            const ticket     = data.data;
            const qrCodeImg  = document.getElementById("qr-code-img");
            qrCodeImg.src    = `https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=${ticket}`;
            qrCodeImg.classList.remove("pulse");

            // 2) 轮询确认登录
            const intervalId = setInterval(() => checkLoginStatus(ticket, intervalId), 3000);
        })
        .catch(err => console.error("请求失败:", err));
});

/* -------------------- 轮询检查登录 -------------------- */
function checkLoginStatus(ticket, intervalId) {
    fetch(`${sPayMallUrl}/api/v1/login/check_login?ticket=${ticket}`)
        .then(res => res.json())
        .then(data => {
            if (data.code === "0000") {
                // 登录成功，停轮询
                clearInterval(intervalId);

                // 把 token 写入 cookie（30 天）
                setCookie("loginToken", data.data, 30);

                // 跳转首页
                window.location.href = "./index.html";
            } else {
                console.info("login wait");
            }
        })
        .catch(err => console.error("请求失败:", err));
}