/**
 * @author Usman Naeem
 */
const signup_form_id = "signup_form";

window.onload = function () {
    addHeader(false);
    addFooter();
    preventDefaultFormSubmit(signup_form_id);

    var url = new URL(window.location.href);
    var urlParamEmailValue = url.searchParams.get("email");
    var urlParamInvitationCodeValue = url.searchParams.get("invitation_code");
    if (urlParamEmailValue) {
        const emailElement = getElement("email");
        emailElement.value = urlParamEmailValue;
    }
    if (urlParamInvitationCodeValue) {
        const invitationCodeElement = getElement("invitation_code");
        invitationCodeElement.value = urlParamInvitationCodeValue;
    }
};

async function signup() {
    var buttonElement;
    var buttonText;
    try {
        const messageboxElement = getElement("message_box");
        messageboxElement.innerHTML = "";

        const nameIdElement = getElement("name");
        const emailElement = getElement("email");
        const passwordElement = getElement("password");
        const confirmPasswordElement = getElement("confirm_password");
        const invitationCodeElement = getElement("invitation_code");
        if (nameIdElement.value.trim() === "" || emailElement.value.trim() === "" || passwordElement.value.trim() === "" || confirmPasswordElement.value.trim() === "" || invitationCodeElement.value.trim() === "") {
            return;
        }

        buttonElement = getElement("signup_btn");
        buttonText = buttonElement.textContent;
        buttonElement.textContent = "Please Wait";

        const form_data = getFormData(signup_form_id);
        disableOrEnableForm(signup_form_id, true);
        const url = "AddUser";
        const json = await callWebservicePOST(url, form_data, messageboxElement, null);
        if (json.code !== 200) {
            messageboxElement.innerHTML = json.message;
        } else {
            messageboxElement.innerHTML = "Your account has been created. Status: " + json.user.state + ".";
            if (json.user.state === 'Unverified') {
                messageboxElement.innerHTML = messageboxElement.innerHTML + "<br />Verification email will be sent to your email address.";
            }
        }
    } catch (error) {
        handleError("Failed to signup", "message_box");
    }
    
    if (buttonElement !== null && buttonElement !== undefined) {
        buttonElement.textContent = buttonText;
    }
    disableOrEnableForm(signup_form_id, false);
}