const animation_delay_ms = 200;
const prev_order_sn_key = "prev-order-sn";
let purchase_check_timer = null;

/**
 * 鍒濆鍖栧垎椤
 * @param total 鎬绘暟
 * @param pz 姣忛〉鏁伴噺
 */
function init_pagination(total, pz) {
    pz = parseInt(pz);
    total = parseInt(total);
    const totalPages = Math.max(1, Math.floor((total + (pz - 1)) / pz));
    $('.pagination-warp').twbsPagination({
        first: '棣栭〉',
        prev: '涓婁竴椤?,
        next: '涓嬩竴椤?,
        last: '鏈〉',
        totalPages: totalPages,
        visiblePages: 10,
        pageVariable: 'pn',
        href: true
    });
}

/**
 * 鏄剧ず鐧诲綍鎻愰啋
 */
function display_login_alert() {
    $(".pop-login-alert").fadeIn(animation_delay_ms);
}

// 鏄剧ず璐拱鎻愰啋
function display_purchase_alert() {
    if (!current_did_auth) {
        display_login_alert();
        return;
    }
    $(".pop-purchase-alert").fadeIn(animation_delay_ms);
}

// 鏄剧ず璐拱鏀粯
function display_purchase_box(local_sn) {
    if (!current_did_auth) {
        display_login_alert();
        return;
    }
    $(".pop-purchase-box .wechat .qr").attr('src', '/assets/images/qr/loading.png');
    $(".pop-purchase-box .alipay .qr").html('<img alt="qr" src="/assets/images/qr/loading.png"/>');
    $(".pop-purchase-box").fadeIn(animation_delay_ms);
    const prev = local_sn ? local_sn : localStorage.getItem(prev_order_sn_key);
    $.post("/purchase/create", {"sn": prev}, function (resp) {
        const remote_sn = resp.sn;
        if (!local_sn) {
            localStorage.setItem(prev_order_sn_key, remote_sn);
        }
        // 鏀粯瀹
        $.get("/purchase/continue", {
            "sn": remote_sn,
            "bankType": 1
        }, function (resp) {
            const url = resp.url;
            $(".pop-purchase-box .alipay .qr").html('<iframe src="' + url + '" scrolling="no"></iframe>');
            start_purchase_checker(remote_sn);
        });
        // 寰俊
        $.get("/purchase/continue", {
            "sn": remote_sn,
            "bankType": 2
        }, function (resp) {
            $(".pop-purchase-box .wechat .qr").attr('src', resp.url);
            start_purchase_checker(remote_sn);
        });
    }).error(function () {
        alert("璇锋眰澶辫触锛岃绋嶅悗鍐嶈瘯");
        window.location.reload();
    });
}

// 鍚姩鏀粯妫€娴
function start_purchase_checker(sn) {
    stop_purchase_checker();
    purchase_check_timer = window.setInterval(function () {
        $.get("/purchase/check", {"sn": sn}, function (resp) {
            if (resp.status === 1) {
                stop_purchase_checker();
                alert("鏀粯鎴愬姛");
                window.location.href = '/courses';
            }
        });
    }, 5000);
}

// 鍋滄鏀粯妫€娴
function stop_purchase_checker() {
    if (purchase_check_timer) {
        window.clearInterval(purchase_check_timer);
        purchase_check_timer = null;
    }
}

$(function () {

    // 鍏抽棴寮规
    $(".pop-warp .title-box .btn").click(function () {
        const $parent = $(this).parents('.pop-warp');
        $parent.fadeOut(animation_delay_ms);
        if ($parent.hasClass("pop-purchase-box")) {
            stop_purchase_checker();
        }
    });

    // 椤堕儴澶村儚鑿滃崟
    $(".top-header .actions .avatar").hover(function () {
        $(".top-header .actions .dropdown-list").fadeIn(100);
    }, function () {
        $(".top-header .actions .dropdown-list").fadeOut(100);
    });
});