{% include "header"
  , color: "var(--nintex--color--deep-purple)"
  , text_color: "white"
  , text_en_US: catalog.headline
  , text_es: "Catálogo de cursos"
  , text_fr: "Catalogue de cours"
  , text_de: "Kurskatalog"
  , text_en_GB: "Course Catalog"
  , text_nl: "Curriculum"
  , text_pt_BR: "Catálogo de cursos"
  , subtitle_en_US: catalog.subheadline
  , subtitle_es: "Grandes cursos desde la comodidad de su casa o oficina."
  , subtitle_fr: "Grandes cours depuis la commodité de votre maison ou bureau."
  , subtitle_de: "Große Kurse von der Komfort deines Hauses oder Büros."
  , subtitle_en_GB: "Great courses from the comfort of your home or office."
  , subtitle_nl: "Geweldige cursussen vanuit het gemak van uw huis of kantoor."
  , subtitle_pt_BR: "Grandes cursos desde la comodidad de su casa o oficina."
  , button_text_en_US: ""
  , button_text_es: ""
  , button_text_fr: ""
  , button_text_de: ""
  , button_text_en_GB: ""
  , button_text_nl: ""
  , button_text_pt_BR: ""
  , button_link: "" %}
{% include "sub_navigation" %}

{% assign is_partner = false %}
{% for group in current_person.groups %}
  {% if group.name == "All Partners" %}
    {% assign is_partner = true %}
  {% endif %}
{% endfor %}


<main class="np-main np-catalog np-subpage-container nintex-fw-container">
  <div class="np-catalog-header-wrapper">
    <div class="np-catalog-header">
      <div class="np-resource-title">
        <span class="lang-en-US">Course catalog</span>
        <span class="lang-es">Catálogo de cursos</span>
        <span class="lang-fr">Catalogue de cours</span>
        <span class="lang-de">Kurskatalog</span>
        <span class="lang-en-GB">Course catalog</span>
        <span class="lang-nl">Curriculum</span>
        <span class="lang-pt-BR">Catálogo de cursos</span>
      </div>
      {% comment %} <div class="np-resource-subtitle">
        <span class="lang-en-US">{{ catalog.subheadline }}</span>
        <span class="lang-es">Grandes cursos desde la comodidad de su casa o oficina.</span>
        <span class="lang-fr">Grandes cours depuis la commodité de votre maison ou bureau.</span>
        <span class="lang-de">Große Kurse von der Komfort deines Hauses oder Büros.</span>
        <span class="lang-en-GB">Great courses from the comfort of your home or office.</span>
        <span class="lang-nl">Geweldige cursussen vanuit het gemak van uw huis of kantoor.</span>
        <span class="lang-pt-BR">Grandes cursos desde la comodidad de su casa o oficina.</span> {% endcomment %}
      </div>
    </div>
  </div>
  {% if courses.in_catalog.any? %}
    <div class="nintex-filters-line">
      <div class="nintex-filters-input-wrapper">
        <i class="far fa-search"></i>
        <input
          type="text"
          placeholder="Search..."
          class="nintex-filters-input"
          id="name-search">
      </div>
      <select class="nintex-filters-select" id="product-filter">
        <option value="">All products</option>
        {% assign categories = "" %}
        {% for course in courses.in_catalog %}
          {% for category in course.categories %}
            {% if category.name contains "Nintex Partner Sales" and is_partner == false %}
              {% continue %}
            {% endif %}
            {% unless categories contains category.name %}
              {% if category.name contains "[Product]" %}
                {% assign categories = categories | append: category.name | append: "," %}
                {% assign category_name = category.name | replace: "[Product]", "" %}
                <option value="{{ category_name }}">{{ category_name }}</option>
              {% endif %}
            {% endunless %}
          {% endfor %}
        {% endfor %}
        <option value="[Type]Certification">Certification</option>
      </select>
      <select class="nintex-filters-select" id="status-filter">
        <option value="">All statuses</option>
        <option value="not_started">Not started</option>
        <option value="in_progress">In progress</option>
        <option value="completed">Completed</option>
      </select>
      <select class="nintex-filters-select" id="sort-filter">
        <option value="">Sort by</option>
        <option value="date_desc">Release Date (Newest First)</option>
        <option value="date_asc">Release Date (Oldest First)</option>
        <option value="name_asc">Name (A-Z)</option>
        <option value="name_desc">Name (Z-A)</option>
      </select>
      <select class="nintex-filters-select" id="skill-filter">
        <option value="">All skill levels</option>
        <option value="[Skill Level]100 - Beginner">Beginner</option>
        <option value="[Skill Level]200 - Intermediate">Intermediate</option>
        <option value="[Skill Level]300 - Advanced">Advanced</option>
        <option value="[Skill Level]400 - Solutions">Solutions</option>
      </select>
    </div>
  {% endif %}

  <div id="courses-container">
    {% include "courses_catalog" %}
  </div>

  <!-- Pagination Controls -->
  <div
    class="nintex-btns-container"
    id="pagination-controls"
    style="display: none;">
    <div class="nintex-pagination-numbers" id="page-numbers"></div>
    <button
      id="prev-page"
      class="nintex-text-button"
      disabled>
      <i class="fas fa-chevron-left"></i>
      <span class="lang-en-US">Previous</span>
      <span class="lang-es">Anterior</span>
      <span class="lang-fr">Précédent</span>
      <span class="lang-de">Vorherige</span>
      <span class="lang-en-GB">Previous</span>
      <span class="lang-nl">Vorige</span>
      <span class="lang-pt-BR">Anterior</span>
    </button>

    <button
      id="next-page"
      class="nintex-text-button"
      disabled>
      <span class="lang-en-US">Next</span>
      <span class="lang-es">Siguiente</span>
      <span class="lang-fr">Suivant</span>
      <span class="lang-de">Nächste</span>
      <span class="lang-en-GB">Next</span>
      <span class="lang-nl">Volgende</span>
      <span class="lang-pt-BR">Próximo</span>
      <i class="fas fa-chevron-right"></i>
    </button>
  </div>
</main>


<script>
let currentPage = 1;
const itemsPerPage = 6;
let filteredAndSortedCards = [];

function handleFilterChange() {
  const filters = {
    name: document.getElementById('name-search').value,
    product: document.getElementById('product-filter').value,
    status: document.getElementById('status-filter').value,
    sort: document.getElementById('sort-filter').value,
    skill: document.getElementById('skill-filter').value
  };

  const allCards = document.querySelectorAll('.nintex-card');
  const visibleCards = [];

  allCards.forEach(card => {
    let displayCard = true;


    const isPartnerCard = card.getAttribute('categories')?.includes("Nintex Partner Sales");
    if (!{{ is_partner }} && isPartnerCard) {
      displayCard = false;
    }

    if (filters.name && !card.textContent.toLowerCase().includes(filters.name.toLowerCase())) {
      displayCard = false;
    }
    if (filters.product && !card.getAttribute('categories').includes(filters.product)) {
      displayCard = false;
    }
    if (filters.skill && !card.getAttribute('categories').includes(filters.skill)) {
      displayCard = false;
    }
    if (filters.status) {
      const progress = Number(card.getAttribute('progress'));
      if (filters.status === 'not_started' && progress !== 0) displayCard = false;
      if (filters.status === 'in_progress' && (progress === 0 || progress === 100)) displayCard = false;
      if (filters.status === 'completed' && progress !== 100) displayCard = false;
    }

    if(displayCard){
      visibleCards.push(card.parentElement);
    }
  });

  // Sortowanie
  if (filters.sort && visibleCards.length > 0) {
    visibleCards.sort((a, b) => {
      const cardA = a.querySelector('.nintex-card');
      const cardB = b.querySelector('.nintex-card');

      if (filters.sort === 'date_desc') {
        return new Date(cardB.getAttribute('created-at')) - new Date(cardA.getAttribute('created-at'));
      } else if (filters.sort === 'date_asc') {
        return new Date(cardA.getAttribute('created-at')) - new Date(cardB.getAttribute('created-at'));
      } else if (filters.sort === 'name_asc') {
        return cardA.querySelector('.card-title').textContent.trim().localeCompare(
               cardB.querySelector('.card-title').textContent.trim());
      } else if (filters.sort === 'name_desc') {
        return cardB.querySelector('.card-title').textContent.trim().localeCompare(
               cardA.querySelector('.card-title').textContent.trim());
      }
      return 0;
    });

    const container = document.querySelector('.nintex-cards-container');
    visibleCards.forEach(card => container.appendChild(card));
  }

  filteredAndSortedCards = visibleCards;
  currentPage = 1;
  updatePagination();
  displayCurrentPage();
}

function displayCurrentPage() {
  const container = document.querySelector('.nintex-cards-container');
  const startIndex = (currentPage - 1) * itemsPerPage;
  const endIndex = startIndex + itemsPerPage;
  const cardsToShow = filteredAndSortedCards.slice(startIndex, endIndex);

  const allCards = container.querySelectorAll('.col-xs-12, .col-md-6, .col-lg-4');
  allCards.forEach(card => card.style.display = 'none');

  const zeroStateContainer = document.querySelector('.np-courses-resources-container');
  if (zeroStateContainer) zeroStateContainer.style.display = 'none';

  if (filteredAndSortedCards.length === 0 && zeroStateContainer) {
    zeroStateContainer.style.display = 'block';
    return;
  }

  cardsToShow.forEach(card => card.style.display = 'flex');
}

function updatePagination() {
  const totalItems = filteredAndSortedCards.length;
  const totalPages = Math.ceil(totalItems / itemsPerPage);
  const paginationControls = document.getElementById('pagination-controls');
  const prevBtn = document.getElementById('prev-page');
  const nextBtn = document.getElementById('next-page');
  const pageNumbers = document.getElementById('page-numbers');

  if (totalItems === 0) {
    paginationControls.style.display = 'none';
    return;
  }

  paginationControls.style.display = 'flex';
  prevBtn.disabled = currentPage === 1;
  nextBtn.disabled = currentPage === totalPages;

  pageNumbers.innerHTML = '';
  const pageSpan = document.createElement('span');
  pageSpan.className = 'nintex-page-number active';
  if(lang === 'en-US') pageSpan.textContent = `Page ${currentPage}`;
  else if(lang === 'es') pageSpan.textContent = `Página ${currentPage}`;
  else if(lang === 'fr') pageSpan.textContent = `Page ${currentPage}`;
  else if(lang === 'de') pageSpan.textContent = `Seite ${currentPage}`;
  else if(lang === 'en-GB') pageSpan.textContent = `Page ${currentPage}`;
  else if(lang === 'nl') pageSpan.textContent = `Pagina ${currentPage}`;
  else if(lang === 'pt-BR') pageSpan.textContent = `Página ${currentPage}`;

  pageNumbers.appendChild(pageSpan);
}

function goToPreviousPage() {
  if (currentPage > 1) {
    currentPage--;
    updatePagination();
    displayCurrentPage();
  }
}

function goToNextPage() {
  const totalPages = Math.ceil(filteredAndSortedCards.length / itemsPerPage);
  if (currentPage < totalPages) {
    currentPage++;
    updatePagination();
    displayCurrentPage();
  }
}

function initializePagination() {
  const allCards = document.querySelectorAll('.nintex-card');
  filteredAndSortedCards = Array.from(allCards)
    .filter(card => {
      const isPartnerCard = card.getAttribute('categories')?.includes("Nintex Partner Sales");
      return {{ is_partner }} || !isPartnerCard;
    })
    .map(card => card.parentElement);

  document.getElementById('prev-page').addEventListener('click', goToPreviousPage);
  document.getElementById('next-page').addEventListener('click', goToNextPage);

  updatePagination();
  displayCurrentPage();
}

function translateFormOptions() {
  const search = document.getElementById('name-search');
  const productFilter = document.getElementById('product-filter');
  const statusFilter = document.getElementById('status-filter');
  const sortFilter = document.getElementById('sort-filter');
  const skillFilter = document.getElementById('skill-filter');

  if(lang === 'es') {
    search.placeholder = 'Buscar...';
    productFilter.options[0].textContent = 'Todos los productos';
    statusFilter.options[0].textContent = 'Todos los estados';
    statusFilter.options[1].textContent = 'No iniciado';
    statusFilter.options[2].textContent = 'En progreso';
    statusFilter.options[3].textContent = 'Completado';
    sortFilter.options[0].textContent = 'Ordenar por';
    sortFilter.options[1].textContent = 'Fecha de salida (Nueva en primer lugar)';
    sortFilter.options[2].textContent = 'Fecha de salida (Antigua en primer lugar)';
    sortFilter.options[3].textContent = 'Nombre (A-Z)';
    sortFilter.options[4].textContent = 'Nombre (Z-A)';
    skillFilter.options[0].textContent = 'Nivel de habilidade';
    skillFilter.options[1].textContent = 'Iniciante';
    skillFilter.options[2].textContent = 'Intermediário';
    skillFilter.options[3].textContent = 'Avançado';
    skillFilter.options[4].textContent = 'Soluções';
  } else if(lang === 'fr') {
    search.placeholder = 'Rechercher...';
    productFilter.options[0].textContent = 'Tous les produits';
    statusFilter.options[0].textContent = 'Tous les statuts';
    statusFilter.options[1].textContent = 'Non commencé';
    statusFilter.options[2].textContent = 'En cours';
    statusFilter.options[3].textContent = 'Terminé';
    sortFilter.options[0].textContent = 'Trier par';
    sortFilter.options[1].textContent = 'Date de sortie (Nouveau en premier)';
    sortFilter.options[2].textContent = 'Date de sortie (Ancien en premier)';
    sortFilter.options[3].textContent = 'Nom (A-Z)';
    sortFilter.options[4].textContent = 'Nom (Z-A)';
    skillFilter.options[0].textContent = 'Niveau de compétence';
    skillFilter.options[1].textContent = 'Débutant';
    skillFilter.options[2].textContent = 'Intermédiaire';
    skillFilter.options[3].textContent = 'Avancé';
    skillFilter.options[4].textContent = 'Solutions';
  } else if(lang === 'de') {
    search.placeholder = 'Suchen...';
    productFilter.options[0].textContent = 'Alle Produkte';
    statusFilter.options[0].textContent = 'Alle Status';
    statusFilter.options[1].textContent = 'Nicht gestartet';
    statusFilter.options[2].textContent = 'In Progress';
    statusFilter.options[3].textContent = 'Completed';
    sortFilter.options[0].textContent = 'Sortieren nach';
    sortFilter.options[1].textContent = 'Release Date (Neueste zuerst)';
    sortFilter.options[2].textContent = 'Release Date (Älteste zuerst)';
    sortFilter.options[3].textContent = 'Name (A-Z)';
    sortFilter.options[4].textContent = 'Name (Z-A)';
    skillFilter.options[0].textContent = 'Niveau de compétence';
    skillFilter.options[1].textContent = 'Débutant';
    skillFilter.options[2].textContent = 'Intermédiaire';
    skillFilter.options[3].textContent = 'Avancé';
    skillFilter.options[4].textContent = 'Solutions';
  } else if(lang === 'nl') {
    search.placeholder = 'Zoeken...';
    productFilter.options[0].textContent = 'Alle producten';
    statusFilter.options[0].textContent = 'Alle statussen';
    statusFilter.options[1].textContent = 'Niet gestart';
    statusFilter.options[2].textContent = 'In progress';
    statusFilter.options[3].textContent = 'Completed';
    sortFilter.options[0].textContent = 'Sorteren op';
    sortFilter.options[1].textContent = 'Release Date (Nieuwste eerst)';
    sortFilter.options[2].textContent = 'Release Date (Oudste eerst)';
    sortFilter.options[3].textContent = 'Naam (A-Z)';
    sortFilter.options[4].textContent = 'Naam (Z-A)';
    skillFilter.options[0].textContent = 'Niveau de compétence';
    skillFilter.options[1].textContent = 'Débutant';
    skillFilter.options[2].textContent = 'Intermédiaire';
    skillFilter.options[3].textContent = 'Avancé';
    skillFilter.options[4].textContent = 'Solutions';
  } else if(lang === 'pt-BR') {
    search.placeholder = 'Pesquisar...';
    productFilter.options[0].textContent = 'Todos os produtos';
    statusFilter.options[0].textContent = 'Todos os statuses';
    statusFilter.options[1].textContent = 'Não iniciado';
    statusFilter.options[2].textContent = 'Em progresso';
    statusFilter.options[3].textContent = 'Completado';
    sortFilter.options[0].textContent = 'Ordenar por';
    sortFilter.options[1].textContent = 'Release Date (Novo em primeiro)';
    sortFilter.options[2].textContent = 'Release Date (Antigo em primeiro)';
    sortFilter.options[3].textContent = 'Nome (A-Z)';
    sortFilter.options[4].textContent = 'Nome (Z-A)';
    skillFilter.options[0].textContent = 'Nível de habilidade';
    skillFilter.options[1].textContent = 'Iniciante';
    skillFilter.options[2].textContent = 'Intermediário';
    skillFilter.options[3].textContent = 'Avançado';
    skillFilter.options[4].textContent = 'Soluções';
  }
}

// Event listenery dla filtrów
document.getElementById('name-search').addEventListener('input', handleFilterChange);
document.getElementById('product-filter').addEventListener('change', handleFilterChange);
document.getElementById('status-filter').addEventListener('change', handleFilterChange);
document.getElementById('sort-filter').addEventListener('change', handleFilterChange);
document.getElementById('skill-filter').addEventListener('change', handleFilterChange);

document.addEventListener('DOMContentLoaded', initializePagination);
document.addEventListener('DOMContentLoaded', translateFormOptions);
</script>

{% include "footer" %}