import {genUUID} from "../util/genID";

export const initMessage = () => {
    const messageElement = document.getElementById("message")
    messageElement.innerHTML = `<div class="fn__flex-1"></div>
<div class="fn__hr fn__flex-shrink"></div>
<button class="fn__flex-center b3-button b3-button--cancel">
    ${window.siyuan.languages.close}
</button>`
    messageElement.addEventListener("click", (event) => {
        let target = event.target as HTMLElement
        while (target && !target.isEqualNode(messageElement)) {
            if (target.classList.contains("b3-snackbar__close")) {
                hideMessage(target.parentElement.getAttribute("data-id"))
                event.preventDefault();
                break;
            } else if (target.isSameNode(messageElement.lastElementChild)) {
                target.parentElement.classList.add("fn__none");
                target.parentElement.innerHTML = '';
                event.preventDefault();
                break;
            }
            target = target.parentElement;
        }
    })
}

export const showMessage = (message: string, timeout = 6000, type = "info") => {
    const id = genUUID();
    let messageHTML = `<div data-id="${id}" class="b3-snackbar${type === "error" ? " b3-snackbar--error" : ""}"><div class="b3-snackbar__content">${message}</div>`;
    if (timeout === 0) {
        messageHTML += '<svg class="b3-snackbar__close"><use xlink:href="#iconClose"></use></svg>';
    } else if (timeout !== -1) { // -1 时需等待请求完成后手动关闭
        window.setTimeout(() => {
            hideMessage(id);
        }, timeout);
    }
    const messagesElement = document.getElementById("message").firstElementChild
    if (messagesElement.childElementCount === 0) {
        messagesElement.parentElement.classList.remove("fn__none")
    }
    messagesElement.insertAdjacentHTML("afterbegin", messageHTML + "</div>");
    messagesElement.scrollTop = 0;
    return id;
};

export const hideMessage = (id: string) => {
    const messagesElement = document.getElementById("message").firstElementChild
    const messageElement = messagesElement.querySelector(`[data-id="${id}"]`);
    if (messageElement) {
        messageElement.remove();
    }
    if (messagesElement.childElementCount === 0) {
        messagesElement.parentElement.classList.add("fn__none")
    }
};