$(document).ready(function () {
    if ($.UrlParam("isLogout") != "true") {
        if ($.cookie("token_key") != null) {
            if ($.cookie("token_key") != "") {
                location.href = "/BackEnd/Index.aspx";
                //alert("has token_key value :" + $.cookie("token_key"));
            }

        }
    }

    $('#login_btn').on('click', function () {
        var id = $("#login_id").val();
        var pwd = $("#login_pwd").val();

        var err_msg = "";

        if (id === "") {
            err_msg += "請輸入帳號!\n";
        }

        if (pwd === "") {
            err_msg += "請輸入密碼!\n";
        }

        if (err_msg !== "") {
            alert(err_msg);
            return;
        }

        pwd = sha256_digest(pwd);

        var formData = {
            id: id,
            pwd: pwd
        }

        $.ajax({
            url: "api/signin.ashx",
            type: "POST",
            data: formData,
            success: function (data, textStatus, jqXHR) {
                if (data.ret == "yes") {
                    location.href = "userList.aspx";
                } else {
                    alert(data.message);
                }
            },
            error: function (jqXHR, textStatus, errorThrown) {
                alert('网絡或伺服器发生错误，请稍后重试!');
            }
        });
    });
});