/**
 * =========================================================================
 * Mon Cinéma - Module d'Administration (admin.js)
 * =========================================================================
 */

const API_URL = '../api.php';
let allItems = [];
let currentAdminTab = 'critique';

// ── 1. GARDE DE SESSION ──
(function guardSession() {
    if (!localStorage.getItem('token')) {
        window.location.href = 'login.html';
    }
})();

// ══════════════════════════════════════════════════════════════════
//  CHARGEMENT & RENDU
// ══════════════════════════════════════════════════════════════════
async function loadDashboardData() {
    try {
        const res = await fetch(`${API_URL}?action=get_films`);
        allItems = await res.json();
        
        const secRes = await fetch(`${API_URL}?action=check_security_status`);
        const secData = await secRes.json();
        const banner = document.getElementById('security-banner');
        if (banner) banner.style.display = secData.is_blank ? 'flex' : 'none';

        renderAdminTable();
    } catch (err) { console.error('Erreur chargement :', err); }
}

function renderAdminTable() {
    const tbody = document.getElementById('admin-table-body');
    if (!tbody) return;

    tbody.innerHTML = '';
    const filtered = allItems.filter(item => item.type === currentAdminTab);

    filtered.forEach(f => {
        const tr = document.createElement('tr');
        tr.innerHTML = `
            <td><input type="checkbox" class="film-checkbox" value="${f.id}"></td>
            <td>${f.poster ? `<img src="${f.poster}" class="thumb" width="40">` : '-'}</td>
            <td><strong>${f.title}</strong></td>
            <td>${f.year || ''}</td>
            <td>${f.director || ''}</td>
            <td>${currentAdminTab === 'critique' ? '★'.repeat(f.rating || 0) : (f.format || '-')}</td>
            <td>
                <button onclick="openEditModal('${f.id}')">Éditer</button>
                <button onclick="deleteSingleFilm('${f.id}')">Supprimer</button>
            </td>`;
        tbody.appendChild(tr);
    });
}

// ══════════════════════════════════════════════════════════════════
//  MODALES & ACTIONS
// ══════════════════════════════════════════════════════════════════
function openAddModal() {
    document.getElementById('film-form').reset();
    document.getElementById('f-id').value = '';
    document.getElementById('admin-modal').classList.add('open');
}

function openEditModal(id) {
    const item = allItems.find(x => String(x.id) === String(id));
    if (!item) return;
    document.getElementById('f-id').value = item.id;
    document.getElementById('f-title').value = item.title;
    document.getElementById('f-year').value = item.year || '';
    document.getElementById('f-director').value = item.director || '';
    document.getElementById('admin-modal').classList.add('open');
}

function closeAdminModal() { document.getElementById('admin-modal').classList.remove('open'); }

async function saveFilmForm(e) {
    e.preventDefault();
    const payload = {
        type: currentAdminTab,
        id: document.getElementById('f-id').value || null,
        title: document.getElementById('f-title').value,
        year: document.getElementById('f-year').value,
        director: document.getElementById('f-director').value
    };
    await fetch(`${API_URL}?action=save_film`, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json', 'Authorization': localStorage.getItem('token') },
        body: JSON.stringify(payload)
    });
    closeAdminModal();
    loadDashboardData();
}

// ══════════════════════════════════════════════════════════════════
//  GESTION COMPTE & SÉCURITÉ
// ══════════════════════════════════════════════════════════════════
function logout() { localStorage.removeItem('token'); window.location.href = 'login.html'; }
function openConfigModal() { document.getElementById('config-modal').classList.add('open'); }
function closeConfigModal() { document.getElementById('config-modal').classList.remove('open'); }
function openPasswordModal() { document.getElementById('password-modal').classList.add('open'); }
function closePasswordModal() { document.getElementById('password-modal').classList.remove('open'); }

async function saveNewPassword() {
    const pwd1 = document.getElementById('new-password-input').value;
    const pwd2 = document.getElementById('new-password-confirm').value;
    if (pwd1 !== pwd2) return alert("Les mots de passe ne correspondent pas.");
    
    await fetch(`${API_URL}?action=update_password`, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json', 'Authorization': localStorage.getItem('token') },
        body: JSON.stringify({ password: pwd1 })
    });
    alert("Mot de passe mis à jour.");
    closePasswordModal();
}

// ══════════════════════════════════════════════════════════════════
//  UTILS
// ══════════════════════════════════════════════════════════════════
async function deleteSingleFilm(id) {
    if (!confirm('Supprimer ?')) return;
    await fetch(`${API_URL}?action=delete_film&id=${id}&type=${currentAdminTab}`, {
        method: 'DELETE',
        headers: { 'Authorization': localStorage.getItem('token') }
    });
    loadDashboardData();
}

function switchAdminTab(tabName) {
    currentAdminTab = tabName;
    document.getElementById('btn-tab-critique').classList.toggle('active', tabName === 'critique');
    document.getElementById('btn-tab-videotheque').classList.toggle('active', tabName === 'videotheque');
    renderAdminTable();
}

async function handleCsvUpload(input) {
    if (!input.files[0]) return;
    const formData = new FormData();
    formData.append('csv_file', input.files[0]);
    await fetch(`${API_URL}?action=import_csv`, {
        method: 'POST',
        headers: { 'Authorization': localStorage.getItem('token') },
        body: formData
    });
    loadDashboardData();
}

document.addEventListener('DOMContentLoaded', loadDashboardData);