const yearsSince2011 = new Date().getFullYear() - 2011;

function esc(s) { return String(s||'').replace(/&/g,'&amp;').replace(/"/g,'&quot;').replace(/</g,'&lt;').replace(/>/g,'&gt;'); }

function imgSrc(path) {
  if (!path) return './img/hero-bg.webp';
  if (path.startsWith('./')) return path;
  if (path.startsWith('http')) return path;
  if (/^(equipment|partner|license|activity|hero)_images\//.test(path)) return '/data/' + path;
  var uploaded = { equip_: 'equipment_images', act_: 'activity_images', lic_: 'license_images', prt_: 'partner_images' };
  for (var pre in uploaded) { if (path.indexOf(pre) === 0) return '/data/' + uploaded[pre] + '/' + path; }
  return './img/' + path;
}


var CONTRACT_ICON = {
  income: '<svg viewBox="0 0 24 24" aria-hidden="true"><path d="M20 12l-1.41-1.41L13 16.17V4h-2v12.17l-5.58-5.59L4 12l8 8 8-8z"/></svg>',
  expense: '<svg viewBox="0 0 24 24" aria-hidden="true"><path d="M4 12l1.41 1.41L11 7.83V20h2V7.83l5.58 5.59L20 12l-8-8-8 8z"/></svg>'
};

// Тип договора («Доходный/Расходный договор для заказчика») выносим из описания в заметную плашку
function splitContract(desc) {
  var text = String(desc || '');
  var m = text.match(/\s*(Доходный|Расходный)\s+договор(\s+для\s+заказчика)?\.?/i);
  if (!m) return { tag: '', rest: text };
  var kind = /^доходный/i.test(m[1]) ? 'income' : 'expense';
  var tag = '<div class="contract ' + kind + '">' + CONTRACT_ICON[kind] + '<div><b>' + m[1][0].toUpperCase() + m[1].slice(1).toLowerCase() + ' договор</b>' + (m[2] ? '<small>для заказчика</small>' : '') + '</div></div>';
  return { tag: tag, rest: text.replace(m[0], ' ').replace(/\s{2,}/g, ' ').trim() };
}

function plainTitle(s) { return String(s || '').replace(/^[^\p{L}\p{N}]+/u, ''); }

function renderHero(data) {
  var h = data.hero || {};
  var stats = data.hero_stats || [];
  var phone800 = h.phone_800 || '8 (800) 555-29-31';
  var phoneEkb = h.phone_ekb || '8 (343) 237-25-66';
  var email = h.email || 'sts_zakaz@mail.ru';
  var address = h.address || 'г. Екатеринбург, ул. Московская, 11, оф. 702';

  var contactsHtml = '';
  if (phone800 && phoneEkb) {
    contactsHtml += '<div class="hero-contact-item"><svg viewBox="0 0 24 24"><path d="M6.62 10.79a15.053 15.053 0 006.59 6.59l2.2-2.2a1 1 0 011.01-.24c1.12.37 2.33.57 3.58.57a1 1 0 011 1V20a1 1 0 01-1 1A17 17 0 013 4a1 1 0 011-1h3.5a1 1 0 011 1c0 1.25.2 2.46.57 3.58a1 1 0 01-.24 1.01l-2.2 2.2z"/></svg><div><a href="tel:' + phone800.replace(/\D/g,'') + '">' + phone800 + '</a><br><a href="tel:' + phoneEkb.replace(/\D/g,'') + '">' + phoneEkb + '</a></div></div>';
  }
  contactsHtml += '<div class="hero-contact-item"><svg viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg><a href="mailto:' + email + '">' + email + '</a></div>';
  contactsHtml += '<div class="hero-contact-item"><svg viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5A2.5 2.5 0 1112 6.5a2.5 2.5 0 010 5z"/></svg><span>' + address + '</span></div>';

  var statsHtml = '';
  stats.forEach(function(s) {
    var val = s.is_dynamic == 1 ? yearsSince2011 : s.value;
    statsHtml += '<div class="hero-stat"><div class="hero-stat-number">' + val + '</div><div class="hero-stat-label">' + s.label + '</div></div>';
  });

  var badgeHtml = h.badge_text ? '<div class="hero-badge"><svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor"><path d="M12 2L15.09 8.26L22 9.27L17 14.14L18.18 21.02L12 17.77L5.82 21.02L7 14.14L2 9.27L8.91 8.26L12 2Z"/></svg> ' + h.badge_text + '</div>' : '';
  var h1text = (h.h1_text || 'демонтаж нефтегазопроводов по России, утилизация отходов').replace('{years}', yearsSince2011);

  return badgeHtml +
    '<h1>' + h1text + '</h1>' +
    '<p class="hero-subtitle">' + (h.subtitle || '').replace('{years}', yearsSince2011) + '</p>' +
    '<div class="hero-buttons">' +
      '<a href="' + (h.button1_link || '#contacts') + '" class="btn btn-primary">' + (h.button1_text || 'Оставить заявку') + '</a>' +
      '<a href="' + (h.button2_link || '#services') + '" class="btn btn-outline">' + (h.button2_text || 'Наши услуги') + '</a>' +
    '</div>' +
    '<div class="hero-contacts">' + contactsHtml + '</div>' +
    '<div class="hero-stats">' + statsHtml + '</div>';
}

function renderAbout(data) {
  var a = data.about || {};
  var features = data.about_features || [];
  var featsHtml = features.map(function(f) {
    return '<div class="about-feature"><div class="about-feature-icon"><svg viewBox="0 0 24 24">' + (f.svg_icon || '') + '</svg></div><div class="about-feature-text"><strong>' + f.title + '</strong>' + (f.description || '') + '</div></div>';
  }).join('');

  return '<div class="section-header"><h2 class="section-title">О <span>компании</span></h2><p class="section-subtitle">' + (a.section_subtitle || '') + '</p></div>' +
    '<div class="about-grid">' +
      '<div class="about-image"><img src="' + imgSrc(a.about_image) + '" alt="" loading="lazy"></div>' +
      '<div class="about-text"><h3>' + (a.main_heading || '') + '</h3>' +
        (a.paragraph_1 ? '<p>' + a.paragraph_1 + '</p>' : '') +
        (a.paragraph_2 ? '<p>' + a.paragraph_2 + '</p>' : '') +
        (a.paragraph_3 ? '<p>' + a.paragraph_3 + '</p>' : '') +
        '<div class="about-features">' + featsHtml + '</div></div></div>';
}

function renderServices(data) {
  var services = data.services || [];
  var st = data.settings || {};
  var cardsHtml = services.map(function(s) {
    var items = [];
    try { items = JSON.parse(s.items || '[]'); } catch(e) {}
    return '<div class="service-card' + (s.is_large == 1 ? ' large' : '') + '">' +
      (s.is_large == 1 ? '<div class="service-pipe" aria-hidden="true"></div>' : '') +
      '<div class="service-icon"><svg viewBox="0 0 24 24">' + (s.svg_icon || '') + '</svg></div>' +
      '<h3>' + s.title + '</h3><p>' + (s.description || '') + '</p>' +
      (items.length ? '<ul class="service-list">' + items.map(function(i) { return '<li>' + i + '</li>'; }).join('') + '</ul>' : '') +
      '</div>';
  }).join('');
  return '<div class="section-header center"><h2 class="section-title">Наши <span>услуги</span></h2><p class="section-subtitle">' + (st.section_services_subtitle || '') + '</p></div>' +
    '<div class="services-grid">' + cardsHtml + '</div>';
}

function renderSchemes(data) {
  var schemes = data.work_schemes || [];
  var st = data.settings || {};
  var cardsHtml = schemes.map(function(s) {
    var items = [];
    try { items = JSON.parse(s.items || '[]'); } catch(e) {}
    var c = splitContract(s.description);
    return '<div class="service-card">' +
      '<div class="service-icon"><svg viewBox="0 0 24 24">' + (s.svg_icon || '') + '</svg></div>' +
      '<h3>' + s.title + '</h3>' + c.tag + '<p>' + c.rest + '</p>' +
      (items.length ? '<ul class="service-list">' + items.map(function(i) { return '<li>' + i + '</li>'; }).join('') + '</ul>' : '') +
      '</div>';
  }).join('');
  return '<div class="section-header center"><h2 class="section-title">Гибкие <span>схемы работы</span></h2><p class="section-subtitle">' + (st.section_schemes_subtitle || '') + '</p></div>' +
    '<div class="services-grid">' + cardsHtml + '</div>';
}

function renderProcess(data) {
  var steps = data.process_steps || [];
  var st = data.settings || {};
  var stepsHtml = steps.map(function(s) {
    return '<div class="process-step"><div class="process-number">' + (s.step_number || s.sort_order + 1) + '</div><div class="process-content"><h3>' + s.title + '</h3><p>' + (s.description || '') + '</p></div></div>';
  }).join('');
  return '<div class="section-header center"><h2 class="section-title">Этапы <span>работы</span></h2><p class="section-subtitle">' + (st.section_process_subtitle || '') + '</p></div>' +
    '<div class="process-timeline">' + stepsHtml + '</div>';
}

function renderEquipment(data) {
  var eq = data.equipment || [];
  var gallery = data.equipment_gallery || [];
  var st = data.settings || {};

  function getImages(e) {
    var imgs = [];
    if (gallery.length) {
      gallery.filter(function(g) { return g.equipment_id === e.id; }).forEach(function(g) {
        if (g.image_path) imgs.push(g.image_path);
      });
    }
    if (imgs.length === 0 && e.image_path) imgs.push(e.image_path);
    return imgs;
  }

  var cardsHtml = eq.map(function(e) {
    var specs = [];
    try { specs = JSON.parse(e.specs || '[]'); } catch(e2) {}
    var imgs = getImages(e);
    var imgHtml = imgs.length > 0
      ? '<img src="' + imgSrc(imgs[0]) + '" loading="lazy" alt="' + esc(e.name) + '" style="width:100%;height:100%;object-fit:cover">'
      : '<div style="width:100%;height:100%;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:var(--text-light)">Нет фото</div>';

    return '<div class="equipment-card"><div class="equipment-card-image">' +
      imgHtml +
      '<div class="equip-overlay"><span class="brand">' + esc(e.brand || '') + '</span></div>' +
      '</div><div class="equipment-card-body"><h3>' + esc(e.name) + '</h3>' +
      (e.qty ? '<div class="equipment-qty">' + esc(e.qty) + '</div>' : '') +
      (specs.length ? '<div class="equipment-specs">' + specs.map(function(sp) { return '<div class="equipment-spec"><span class="equipment-spec-label">' + esc(sp.label) + '</span><span class="equipment-spec-value">' + esc(sp.value) + '</span></div>'; }).join('') + '</div>' : '') +
      '</div></div>';
  }).join('');

  return '<div class="section-header center"><h2 class="section-title">Наша <span>спецтехника</span></h2><p class="section-subtitle">' + esc(st.section_equipment_subtitle || '') + '</p></div>' +
    '<div class="equipment-grid">' + cardsHtml + '</div>';
}

function renderGeography(data) {
  var geo = data.geo || {};
  var regions = data.geo_regions || [];
  var st = data.settings || {};
  var regionsHtml = regions.map(function(r) {
    return '<div class="geo-region"><svg viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5A2.5 2.5 0 1112 6.5a2.5 2.5 0 010 5z"/></svg><span>' + (r.name || '') + '</span></div>';
  }).join('');
  return '<div class="section-header center"><h2 class="section-title">География <span>присутствия</span></h2><p class="section-subtitle">' + (geo.section_subtitle || st.section_services_subtitle || '') + '</p></div>' +
    '<div class="geo-content"><div><div class="geo-regions">' + regionsHtml + '</div>' +
    (geo.difficult_title ? '<div class="geo-hard"><h4>' + plainTitle(geo.difficult_title) + '</h4><p>' + (geo.difficult_desc || '') + '</p></div>' : '') +
    '</div><div><div class="geo-map"><img src="' + imgSrc(geo.map_image) + '" loading="lazy" alt=""></div></div></div>';
}

function renderLicenses(data) {
  var licenses = data.licenses || [];
  var gallery = data.license_gallery || [];
  var st = data.settings || {};
  var cardsHtml = licenses.map(function(l) {
    return '<div class="license-card"><div class="license-icon"><svg viewBox="0 0 24 24">' + (l.svg_icon || '') + '</svg></div><div><h4>' + l.title + '</h4><p>' + (l.description || '') + '</p></div></div>';
  }).join('');
  var galleryHtml = gallery.map(function(g) {
    return '<div class="license-gallery-item" data-src="' + imgSrc(g.image_path) + '" data-title="' + esc(g.title) + '" data-desc="' + esc(g.description || '') + '">' +
      '<div class="license-gallery-thumb"><img src="' + imgSrc(g.image_path) + '" loading="lazy" alt="' + esc(g.title) + '"><div class="license-gallery-zoom"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0016 9.5 6.5 6.5 0 109.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div></div>' +
      '<div class="license-gallery-body"><h4>' + g.title + '</h4><p>' + (g.description || '') + '</p></div></div>';
  }).join('');
  return '<div class="section-header center"><h2 class="section-title">Лицензии и <span>разрешения</span></h2><p class="section-subtitle">' + (st.section_licenses_subtitle || '') + '</p></div>' +
    '<div class="licenses-grid">' + cardsHtml + '</div>' +
    (gallery.length ? '<div class="license-gallery">' + galleryHtml + '</div>' : '');
}

function renderActivity(data) {
  var acts = data.public_activities || [];
  var gallery = data.activity_gallery || [];
  var st = data.settings || {};
  var cardsHtml = acts.map(function(a) {
    return '<div class="activity-card"><div class="activity-card-icon"><svg viewBox="0 0 24 24">' + (a.svg_icon || '') + '</svg></div><h4>' + a.title + '</h4><p>' + (a.description || '') + '</p></div>';
  }).join('');
  var galleryHtml = gallery.length ? '<div class="activity-gallery"><div class="activity-gallery-title">Благодарственные письма</div>' +
    gallery.map(function(g) {
      return '<div class="license-gallery-item" data-src="' + imgSrc(g.image_path) + '" data-title="' + esc(g.title) + '" data-desc="' + esc(g.description || '') + '">' +
        '<div class="license-gallery-thumb"><img src="' + imgSrc(g.image_path) + '" loading="lazy" alt="' + esc(g.title) + '"><div class="license-gallery-zoom"><svg viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0016 9.5 6.5 6.5 0 109.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg></div></div>' +
        '<div class="license-gallery-body"><h4>' + g.title + '</h4><p>' + (g.description || '') + '</p></div></div>';
    }).join('') + '</div>' : '';
  return '<div class="section-header center"><h2 class="section-title">Общественная <span>деятельность</span></h2><p class="section-subtitle">' + (st.section_activity_subtitle || '') + '</p></div>' +
    '<div class="activity-cards">' + cardsHtml + '</div>' + galleryHtml;
}

function renderPartners(data) {
  var partners = data.partners || [];
  var st = data.settings || {};
  var duplicated = partners.concat(partners);
  var trackHtml = duplicated.map(function(p) {
    return '<img src="' + imgSrc(p.logo_path) + '" loading="lazy" alt="' + esc(p.name || '') + '">';
  }).join('');
  return '<div class="section-header center"><h2 class="section-title">Наши <span>партнёры</span></h2><p class="section-subtitle">' + (st.section_partners_subtitle || '') + '</p></div>' +
    '<div class="partners-scroll"><div class="partners-track">' + trackHtml + '</div></div>';
}

function renderContacts(data) {
  var s = data.settings || {};
  var h = data.hero || {};
  var phone800 = h.phone_800 || s.contact_phone_800 || '8 (800) 555-29-31';
  var phoneEkb = h.phone_ekb || s.contact_phone_ekb || '8 (343) 237-25-66';
  var email = h.email || s.contact_email || 'sts_zakaz@mail.ru';
  var address = h.address || s.contact_address || 'г. Екатеринбург, ул. Московская, 11, оф. 702';
  var workHours = (s.contact_work_hours || 'Пн–Пт: 9:00 – 18:00|Сб: 10:00 – 15:00').replace(/\|/g, '<br>');
  var mapImg = s.contact_map_image || './img/secret.webp';

  return '<div class="section-header center"><h2 class="section-title">Свяжитесь <span>с нами</span></h2><p class="section-subtitle">' + (s.section_contacts_subtitle || '') + '</p></div>' +
    '<div class="contacts-grid"><div>' +
      '<div class="contact-info-list">' +
        '<div class="contact-info-item"><div class="contact-info-icon"><svg viewBox="0 0 24 24"><path d="M6.62 10.79a15.053 15.053 0 006.59 6.59l2.2-2.2a1 1 0 011.01-.24c1.12.37 2.33.57 3.58.57a1 1 0 011 1V20a1 1 0 01-1 1A17 17 0 013 4a1 1 0 011-1h3.5a1 1 0 011 1c0 1.25.2 2.46.57 3.58a1 1 0 01-.24 1.01l-2.2 2.2z"/></svg></div><div><h4>Телефон</h4><a href="tel:' + phone800.replace(/\D/g,'') + '">' + phone800 + '</a><br><a href="tel:' + phoneEkb.replace(/\D/g,'') + '">' + phoneEkb + '</a></div></div>' +
        '<div class="contact-info-item"><div class="contact-info-icon"><svg viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg></div><div><h4>Email</h4><a href="mailto:' + email + '">' + email + '</a></div></div>' +
        '<div class="contact-info-item"><div class="contact-info-icon"><svg viewBox="0 0 24 24"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5A2.5 2.5 0 1112 6.5a2.5 2.5 0 010 5z"/></svg></div><div><h4>Адрес</h4><p>' + address + '</p></div></div>' +
        '<div class="contact-info-item"><div class="contact-info-icon"><svg viewBox="0 0 24 24"><path d="M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm.5-13H11v6l5.25 3.15.75-1.23-4.5-2.67z"/></svg></div><div><h4>Режим работы</h4><p>' + workHours + '</p></div></div>' +
      '</div><div class="contact-map"><img src="' + imgSrc(mapImg) + '" loading="lazy" alt=""></div>' +
    '</div><div>' +
      '<div class="contact-form" id="contactForm"><h3>' + (s.form_title || 'Оставить заявку') + '</h3>' +
      '<p class="form-subtitle">' + (s.form_subtitle || 'Заполните форму и мы свяжемся с вами') + '</p>' +
      '<form id="feedbackForm" onsubmit="return handleFormSubmit(event)">' +
        '<div class="form-group"><label for="name">Ваше имя *</label><input type="text" id="name" name="name" placeholder="Иван Иванов" autocomplete="name" required><div class="field-error" id="err-name"></div></div>' +
        '<div class="form-group"><label for="phone">Телефон *</label><input type="tel" id="phone" name="phone" placeholder="+7 (___) ___-__-__" autocomplete="tel" inputmode="tel" required><div class="field-error" id="err-phone"></div></div>' +
        '<div class="form-group"><label for="message">Сообщение</label><textarea id="message" name="message" placeholder="Опишите ваш запрос..."></textarea></div>' +
        '<div class="form-group"><label class="form-consent-label"><input type="checkbox" name="consent" required id="consent"><span>Я согласен на <a href="/privacy.html" target="_blank" rel="noopener">обработку персональных данных</a></span></label><div class="field-error" id="err-consent"></div></div>' +
        '<div class="field-error" id="err-form" role="alert"></div>' +
        '<button type="submit" class="btn btn-primary" id="submitBtn">Отправить заявку</button>' +
      '</form>' +
      '<div class="form-success" id="formSuccess"><svg viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg><h4>Заявка отправлена!</h4><p>Мы свяжемся с вами в ближайшее время</p></div>' +
      '</div></div></div>';
}

function renderAll(data) {
  return {
    heroContent: renderHero(data),
    aboutContainer: renderAbout(data),
    servicesContainer: renderServices(data),
    schemesContainer: renderSchemes(data),
    processContainer: renderProcess(data),
    equipmentContainer: renderEquipment(data),
    geographyContainer: renderGeography(data),
    licensesContainer: renderLicenses(data),
    activityContainer: renderActivity(data),
    contactsContainer: renderContacts(data),
    partnersContainer: renderPartners(data)
  };
}

module.exports = { renderAll };