import { t } from "./i18n.js";
import { toast } from "./dom.js";
import { escapeHtml } from "./ui-utils.js";

export function openLightbox(url, title) {
    const overlay = document.createElement("div");
    overlay.className = "lightbox";
    const safeTitle = escapeHtml(title || "");
    overlay.innerHTML = `
    <div class="lightbox-content">
      <button class="lightbox-close" aria-label="${t("lightbox.close")}">✕</button>
      <img src="${url}" alt="${safeTitle}" />
      <p>${safeTitle}</p>
    </div>
  `;
    overlay.addEventListener("click", (e) => {
        if (
            e.target.classList.contains("lightbox") ||
            e.target.classList.contains("lightbox-close")
        ) {
            overlay.remove();
        }
    });
    document.body.appendChild(overlay);
}

export function openConfirmModal({
    title,
    body,
    confirmLabel,
    cancelLabel = t("modal.cancel"),
    onConfirm,
}) {
    const overlay = document.createElement("div");
    overlay.className = "edit-modal";
    const panel = document.createElement("div");
    panel.className = "edit-panel";
    panel.innerHTML = `
      <div class="edit-header">
        <h3>${title}</h3>
        <button class="lightbox-close" aria-label="${t("modal.close")}">x</button>
      </div>
      <div class="edit-body">
        <p>${body}</p>
      </div>
    `;
    const close = () => overlay.remove();
    const actions = document.createElement("div");
    actions.className = "stack horizontal";
    const confirmBtn = document.createElement("button");
    confirmBtn.textContent = confirmLabel ?? t("modal.confirm");
    actions.append(confirmBtn);
    if (cancelLabel !== null && cancelLabel !== undefined) {
        const cancelBtn = document.createElement("button");
        cancelBtn.className = "ghost";
        cancelBtn.type = "button";
        cancelBtn.textContent = cancelLabel;
        actions.append(cancelBtn);
        cancelBtn.addEventListener("click", close);
    }
    panel.querySelector(".edit-body")?.appendChild(actions);

    overlay.addEventListener("click", (e) => {
        if (
            e.target.classList.contains("edit-modal") ||
            e.target.classList.contains("lightbox-close")
        ) {
            close();
        }
    });
    confirmBtn.addEventListener("click", async () => {
        try {
            await onConfirm?.(close);
        } catch (err) {
            toast(err.message, true);
        }
    });

    overlay.appendChild(panel);
    document.body.appendChild(overlay);
}

export function openPasswordConfirmModal({
    title,
    body,
    confirmLabel,
    cancelLabel = t("modal.cancel"),
    onConfirm,
}) {
    const overlay = document.createElement("div");
    overlay.className = "edit-modal";
    const panel = document.createElement("div");
    panel.className = "edit-panel";
    panel.innerHTML = `
      <div class="edit-header">
        <h3>${title}</h3>
        <button class="lightbox-close" aria-label="${t("modal.close")}">x</button>
      </div>
      <div class="edit-body">
        <p>${body}</p>
      </div>
    `;

    const close = () => overlay.remove();
    const bodyWrap = panel.querySelector(".edit-body");
    const fieldWrap = document.createElement("label");
    fieldWrap.className = "stack";
    fieldWrap.innerHTML = `
      <span class="label">${t("admin.passwordLabel")}</span>
      <input type="password" autocomplete="current-password" />
    `;
    bodyWrap?.appendChild(fieldWrap);
    const passwordInput = fieldWrap.querySelector("input");

    const actions = document.createElement("div");
    actions.className = "stack horizontal";
    const confirmBtn = document.createElement("button");
    confirmBtn.className = "danger";
    confirmBtn.textContent = confirmLabel ?? t("modal.confirm");
    actions.append(confirmBtn);

    if (cancelLabel !== null && cancelLabel !== undefined) {
        const cancelBtn = document.createElement("button");
        cancelBtn.className = "ghost";
        cancelBtn.type = "button";
        cancelBtn.textContent = cancelLabel;
        actions.append(cancelBtn);
        cancelBtn.addEventListener("click", close);
    }
    bodyWrap?.appendChild(actions);

    overlay.addEventListener("click", (e) => {
        if (
            e.target.classList.contains("edit-modal") ||
            e.target.classList.contains("lightbox-close")
        ) {
            close();
        }
    });

    confirmBtn.addEventListener("click", async () => {
        const password = passwordInput?.value ?? "";
        if (!password.trim()) {
            toast(t("admin.passwordRequired"), true);
            passwordInput?.focus();
            return;
        }

        try {
            await onConfirm?.(password, close);
        } catch (err) {
            toast(err.message, true);
        }
    });

    overlay.appendChild(panel);
    document.body.appendChild(overlay);
    passwordInput?.focus();
}

export function openResultsRelockModal() {
    openConfirmModal({
        title: t("results.relockedTitle"),
        body: t("results.relockedBody"),
        confirmLabel: t("results.relockedConfirm"),
        cancelLabel: null,
        onConfirm: (close) => close(),
    });
}

export function openSuggestionsChangedModal(names) {
    const uniq = Array.from(new Set(names)).filter(Boolean);
    if (uniq.length === 0) return;
    openConfirmModal({
        title: t("vote.listUpdatedTitle"),
        body: t("vote.listUpdatedBody", { names: uniq.join(", ") }),
        confirmLabel: t("vote.listUpdatedConfirm"),
        cancelLabel: null,
        onConfirm: (close) => close(),
    });
}