import berater from "../../shared/berater-daten.json";
import "./berater.css";

const container = document.querySelector("#advisor-profiles");

function escapeHtml(value) {
    return String(value).replace(
        /[&<>"']/g,
        (character) =>
            ({
                "&": "&amp;",
                "<": "&lt;",
                ">": "&gt;",
                '"': "&quot;",
                "'": "&#039;",
            })[character],
    );
}

function contactName(person) {
    return (
        (typeof person.spitzname === "string" && person.spitzname.trim()) ||
        person.vorname ||
        person.name.trim().split(/\s+/)[0]
    );
}

if (container) {
    if (!Array.isArray(berater) || berater.length === 0) {
        container.innerHTML =
            '<p class="advisor-loading">Aktuell sind keine Beraterprofile verfügbar.</p>';
    } else {
        container.innerHTML = berater
            .map(
                (person) => `
            <article class="package-card advisor-card">
                <div class="advisor-gallery" data-current-index="0" role="region" aria-roledescription="Karussell" aria-label="Bilder von ${escapeHtml(person.name)}">
                    <div class="advisor-gallery__frame">
                        <div class="advisor-gallery__track">
                            ${(person.bilder || [])
                                .map(
                                    (bild, index) => `
                                <figure class="advisor-gallery__slide" aria-label="${index + 1} von ${person.bilder.length}: ${escapeHtml(bild.typ)}" aria-hidden="${index !== 0}">
                                    <img class="advisor-gallery__image" src="${escapeHtml(bild.quelle)}" alt="${escapeHtml(person.name)} – ${escapeHtml(bild.typ)}" loading="${index === 0 ? "eager" : "lazy"}" />
                                </figure>`,
                                )
                                .join("")}
                        </div>
                        <button class="advisor-gallery__arrow advisor-gallery__arrow--previous" type="button" data-gallery-direction="previous" aria-label="Vorheriges Bild von ${escapeHtml(person.name)}">‹</button>
                        <button class="advisor-gallery__arrow advisor-gallery__arrow--next" type="button" data-gallery-direction="next" aria-label="Nächstes Bild von ${escapeHtml(person.name)}">›</button>
                    </div>
                    <div class="advisor-gallery__pagination" aria-label="Bildposition">
                        ${(person.bilder || [])
                            .map(
                                (bild, index) => `
                            <button class="advisor-gallery__dot" type="button" data-gallery-index="${index}" aria-label="Bild ${index + 1}: ${escapeHtml(bild.typ)}" aria-current="${index === 0}"></button>`,
                            )
                            .join("")}
                    </div>
                </div>
                <h3 class="package-title">${escapeHtml(person.name)}</h3>
                <p class="package-type advisor-role">${escapeHtml(person.titel || "Ernährungsberatung")}</p>
                <div class="package-details-box">
                    <div class="detail-item">
                        <h4 class="detail-title">Kurzbiografie</h4>
                        <p class="detail-text">${escapeHtml(person.biographie)}</p>
                    </div>
                    <div class="detail-item">
                        <h4 class="detail-title">Qualifikationen</h4>
                        <ul class="detail-list">${(person.qualifikationen || []).map((qualification) => `<li>${escapeHtml(qualification)}</li>`).join("")}</ul>
                    </div>
                    <div class="detail-item">
                        <h4 class="detail-title">Schwerpunkte</h4>
                        <ul class="detail-list">${(person.schwerpunkte || []).map((focus) => `<li>${escapeHtml(focus)}</li>`).join("")}</ul>
                    </div>
                </div>
                <button class="package-btn advisor-contact" type="button" data-berater-id="${escapeHtml(person.id)}" aria-haspopup="dialog">${escapeHtml(contactName(person))} kontaktieren</button>
            </article>`,
            )
            .join("");
    }
}

document.addEventListener("click", async (event) => {
    const galleryControl = event.target.closest(
        "button[data-gallery-direction], button[data-gallery-index]",
    );
    if (galleryControl) {
        const gallery = galleryControl.closest(".advisor-gallery");
        const slides = [...gallery.querySelectorAll(".advisor-gallery__slide")];
        const currentIndex = Number(gallery.dataset.currentIndex || 0);
        const requestedIndex = galleryControl.hasAttribute(
            "data-gallery-direction",
        )
            ? currentIndex +
              (galleryControl.dataset.galleryDirection === "next" ? 1 : -1)
            : Number(galleryControl.dataset.galleryIndex);
        const nextIndex = (requestedIndex + slides.length) % slides.length;

        gallery.dataset.currentIndex = String(nextIndex);
        gallery.querySelector(".advisor-gallery__track").style.transform =
            `translateX(-${nextIndex * 100}%)`;
        slides.forEach((slide, index) => {
            slide.setAttribute("aria-hidden", String(index !== nextIndex));
        });
        gallery.querySelectorAll("[data-gallery-index]").forEach((button) => {
            button.setAttribute(
                "aria-current",
                String(Number(button.dataset.galleryIndex) === nextIndex),
            );
        });
        return;
    }

    const button = event.target.closest("button[data-berater-id]");
    if (!button) return;

    try {
        const { openContactDialog } = await import(
            /* @vite-ignore */ "../contact/contact-dialog.js"
        );
        openContactDialog({ advisorId: button.dataset.beraterId });
    } catch (error) {
        console.error(
            "Das Kontaktformular ist derzeit nicht verfügbar.",
            error,
        );
        button.insertAdjacentHTML(
            "afterend",
            '<p class="advisor-contact-error" role="status">Das Kontaktformular ist momentan nicht verfügbar.</p>',
        );
        button.disabled = true;
    }
});