export function h(tag, props = {}, ...children) {
    const el = document.createElement(tag);
    const { class: className, style, data, ...rest } = props;
    if (className) {
        el.className = className;
    }
    if (style) {
        el.setAttribute("style", style);
    }
    for (const [key, value] of Object.entries(data ?? {})) {
        el.dataset[key] = value;
    }
    Object.assign(el, rest);
    append(el, ...children);
    return el;
}
export function append(el, ...children) {
    for (const child of children) {
        if (child === null || child === undefined || child === false) {
            continue;
        }
        el.appendChild(typeof child === "object" ? child : document.createTextNode(String(child)));
    }
}
export function replace(el, ...children) {
    el.replaceChildren();
    append(el, ...children);
}
export function ago(iso) {
    const seconds = Math.round((Date.now() - Date.parse(iso)) / 1000);
    if (seconds < 60) {
        return "just now";
    }
    if (seconds < 3600) {
        return `${Math.floor(seconds / 60)}m ago`;
    }
    if (seconds < 86400) {
        return `${Math.floor(seconds / 3600)}h ago`;
    }
    return `${Math.floor(seconds / 86400)}d ago`;
}
export function errorText(err) {
    return err instanceof Error ? err.message : String(err);
}
function modal(text, buttons) {
    const actions = buttons.map((b) => h("button", { type: "submit", value: b.value, class: b.class ?? "" }, b.label));
    const dialog = h("dialog", { class: "modal" }, h("form", { method: "dialog" }, h("p", { class: "modal-text" }, text), h("div", { class: "modal-actions" }, ...actions)));
    document.body.append(dialog);
    return new Promise((resolve) => {
        dialog.onclose = () => {
            dialog.remove();
            resolve(dialog.returnValue);
        };
        dialog.showModal();
        actions.at(-1)?.focus();
    });
}
export function openPanel(title, mount) {
    if (document.querySelector("dialog.panel[open]")) {
        return;
    }
    const close = h("button", { type: "button", class: "panel-close", title: "Close (Esc)" }, "×");
    const body = h("div", { class: "panel-body" });
    const dialog = h("dialog", { class: "modal panel" }, h("header", { class: "panel-head" }, h("h2", {}, title), close), body);
    close.onclick = () => dialog.close();
    dialog.onclick = (e) => {
        if (e.target === dialog || e.target.closest("a[href^='#']")) {
            dialog.close();
        }
    };
    document.body.append(dialog);
    const dispose = mount(body);
    dialog.onclose = () => {
        dispose();
        dialog.remove();
    };
    dialog.showModal();
}
export async function showAlert(text) {
    await modal(text, [{ label: "OK", value: "ok", class: "primary" }]);
}
export async function showConfirm(text, action, danger = false) {
    const value = await modal(text, [
        { label: "Cancel", value: "cancel" },
        { label: action, value: "ok", class: danger ? "danger-primary" : "primary" },
    ]);
    return value === "ok";
}
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