import { getEvent, getMyAccount, unhideElementById } from './generalUseHelpers.js';

var isAscending: boolean = false;

function toggleListSortOrder() {
    isAscending = !isAscending;
    loadEvents();
}

async function getEvents() {
    const res = await fetch("/api/events" + (isAscending ? "?sort=asc" : ""));
    if (!res.ok) throw new Error("Błąd pobierania wydarzeń");

    const events = await res.json();
    return events;
}

async function loadEvents() {
    const container = document.getElementById("eventList");
    if (!container) return;

    try {
        var events = await getEvents();

        if (events.length === 0) {
            container.innerHTML = "<p class='text-muted'>Brak wydarzeń do wyświetlenia.</p>";
            return;
        }

        // Wyczyść kontener przed dodaniem nowych
        container.innerHTML = '';

        for (const ev of events) {
            const card = document.createElement("div");
            card.className = "event-card filled";
            card.innerHTML = `
                <span>${ev.title}</span>
                <button class="remove-btn delete-btn" data-id="${ev.eventId}">
                    <svg xmlns="http://www.w3.org/2000/svg" height="30px" viewBox="0 -960 960 960" width="30px" fill="#FFFFFF"><path d="M280-440h400v-80H280v80ZM480-80q-83 0-156-31.5T197-197q-54-54-85.5-127T80-480q0-83 31.5-156T197-763q54-54 127-85.5T480-880q83 0 156 31.5T763-763q54 54 85.5 127T880-480q0 83-31.5 156T763-197q-54 54-127 85.5T480-80Zm0-80q134 0 227-93t93-227q0-134-93-227t-227-93q-134 0-227 93t-93 227q0 134 93 227t227 93Zm0-320Z"/></svg>
                </button>
            `;
            container.appendChild(card);
        }
    } catch (err) {
        container.innerHTML = `<p class="text-danger">Błąd ładowania danych.</p>`;
        console.error(err);
    }
}

document.addEventListener("DOMContentLoaded", async () => {

    var user = await getMyAccount();

    if (user) {
        if (user.isOrganisation) {
            unhideElementById(document, "mainContainer");
            unhideElementById(document, "addnewevent-btn");
        }
        unhideElementById(document, "logout-btn");
    } else {
        unhideElementById(document, "joinnow-btn");
        unhideElementById(document, "signin-btn");
    }

    loadEvents();
    // listen for clicks
    const listSortToggleButton = document.getElementById("list-sort-btn");
    if (listSortToggleButton) {
        listSortToggleButton.addEventListener("click", toggleListSortOrder);
    }
});