/**
 * OmégaKube — Services Tabs Renderer
 * Charge assets/data/services.json et construit dynamiquement
 * les onglets de navigation et leurs contenus.
 *
 * Dépend de main.js et services-process.js (déjà chargés avant ce script).
 */

(function () {
    'use strict';

    /* ── Helpers ─────────────────────────────────────────────── */

    function stampHtml(stamp, extraClass) {
        if (!stamp) return '';
        const animated = stamp.animated ? ' service-stamp-animated' : '';
        const extra    = extraClass ? ' ' + extraClass : '';
        return `<span class="service-stamp service-stamp-${stamp.type}${animated}${extra}">${stamp.text}</span>`;
    }

    function particlesHtml() {
        return `<div class="service-visual-particles">${'<div class="particle"></div>'.repeat(6)}</div>`;
    }

    /* ── Rendu ───────────────────────────────────────────────── */

    function renderNavBtn(service, isFirst) {
        return `
        <button class="service-tab-btn${isFirst ? ' active' : ''}" data-tab="${service.id}">
            <i data-feather="${service.nav.icon}"></i>
            <span>${service.nav.label}</span>
            ${stampHtml(service.nav.stamp)}
        </button>`;
    }

    function renderVisual(service) {
        const { accentFrom, accentTo, stamp } = service.visual;
        return `
        <div class="service-visual" style="--accent-primary:${accentFrom};--accent-secondary:${accentTo};">
            ${stampHtml(stamp, 'service-visual-stamp')}
            ${particlesHtml()}
            <div class="service-visual-icon">
                <div class="icon-main" style="background:linear-gradient(135deg,${accentFrom},${accentTo});">
                    <i data-feather="${service.nav.icon}"></i>
                </div>
            </div>
        </div>`;
    }

    function renderHighlights(highlights) {
        return highlights.map(h => `
            <div class="service-highlight">
                <div class="service-highlight-value">${h.value}</div>
                <div class="service-highlight-label">${h.label}</div>
            </div>`).join('');
    }

    function renderFeatures(features, accentFrom, accentTo) {
        return features.map(f => `
            <div class="service-feature-item">
                <div class="service-feature-icon" style="background:linear-gradient(135deg,${accentFrom},${accentTo});">
                    <i data-feather="${f.icon}"></i>
                </div>
                <div class="service-feature-text">
                    <h4>${f.title}</h4>
                    <p>${f.desc}</p>
                </div>
            </div>`).join('');
    }

    function renderNote(note) {
        if (!note || !note.length) return '';
        return `<p class="service-note">${note.map(n => `<span class="service-note-mark">${n.value}</span> ${n.label}<br>`).join(' ')}</p>`;
    }

    function renderCtas(ctas) {
        return ctas.map(c => `
            <a href="${c.href}" class="btn btn-${c.style}">
                <i data-feather="${c.icon}"></i>
                ${c.label}
            </a>`).join('');
    }

    function renderTabContent(service, isFirst) {
        const { accentFrom, accentTo } = service.visual;
        const titleStamp = service.titleStamp
            ? ' ' + stampHtml({ ...service.titleStamp }, 'service-stamp-inline')
            : '';

        return `
        <div class="service-tab-content${isFirst ? ' active' : ''}" id="tab-${service.id}">
            <div class="service-tab-grid">
                ${renderVisual(service)}
                <div class="service-tab-details">
                    <div class="service-tab-header">
                        <h2>${service.title}${titleStamp}</h2>
                        <p>${service.description}</p>
                    </div>
                    <div class="service-highlights">
                        ${renderHighlights(service.highlights)}
                    </div>
                    <div class="service-tab-features">
                        ${renderFeatures(service.features, accentFrom, accentTo)}
                    </div>
                    <div class="service-tab-note">
                        ${renderNote(service.note)}
                    </div>
                    <div class="service-tab-cta">
                        ${renderCtas(service.cta)}
                    </div>
                </div>
            </div>
        </div>`;
    }

    /* ── Logique des onglets ─────────────────────────────────── */

    function initTabs() {
        const tabBtns     = document.querySelectorAll('.service-tab-btn');
        const tabContents = document.querySelectorAll('.service-tab-content');
        if (!tabBtns.length || !tabContents.length) return;

        tabBtns.forEach(btn => {
            btn.addEventListener('click', () => {
                const tabId = btn.dataset.tab;

                tabBtns.forEach(b => b.classList.remove('active'));
                btn.classList.add('active');

                tabContents.forEach(content => {
                    content.classList.remove('active');
                    if (content.id === 'tab-' + tabId) content.classList.add('active');
                });

                if (window.feather) window.feather.replace();
            });
        });
    }

    /* ── Init ────────────────────────────────────────────────── */

    async function init() {
        const navContainer     = document.getElementById('service-tabs-nav');
        const contentContainer = document.getElementById('service-tabs-contents');
        if (!navContainer || !contentContainer) return;

        let services;
        try {
            const res = await fetch('../assets/data/services.json');
            if (!res.ok) throw new Error(`HTTP ${res.status}`);
            services = await res.json();
        } catch (err) {
            console.error('[services-tabs.js] Impossible de charger services.json :', err);
            return;
        }

        if (!Array.isArray(services) || services.length === 0) {
            console.warn('[services-tabs.js] services.json est vide ou mal formé.');
            return;
        }

        navContainer.innerHTML     = services.map((s, i) => renderNavBtn(s, i === 0)).join('');
        contentContainer.innerHTML = services.map((s, i) => renderTabContent(s, i === 0)).join('');

        if (window.feather) window.feather.replace();

        initTabs();
    }

    document.addEventListener('DOMContentLoaded', init);

})();