{% extends "admin.html" %}

{% block head_meta %}
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css"
      integrity="sha512-xodZBNTC5n17Xt2atTPuE1HxjVMSvLVW9ocqUKLsCC5CXdbqCmblAshOMAS6/keqq/sMZMZ19scR4PsZChSR7A=="
      crossorigin=""/>
<style>
  .map { height: 400px; }
  /* Ensure dropdowns appear above maps */
  .dropdown-menu { z-index: 2000 !important; }
  /* Modernize button spacing and padding */
  .container-fluid .btn {
    padding: 0.6rem 1.2rem;
    margin: 0.3rem;
  }
</style>
{% endblock %}
{% block title %}{{ gettext("Goodmap Admin Panel") }}{% endblock %}

{% block content %}
<div class="container-fluid py-4">
  <h1 class="mb-4">{{ gettext("Admin Panel") }}</h1>
  <!-- Tabs navigation -->
  <ul class="nav nav-tabs mb-3" id="adminTab" role="tablist">
    <li class="nav-item" role="presentation">
      <button class="nav-link active" id="locations-tab" data-bs-toggle="tab" data-bs-target="#locations" type="button" role="tab" aria-controls="locations" aria-selected="true">{{ gettext("Locations") }}</button>
    </li>
    <li class="nav-item" role="presentation">
      <button class="nav-link" id="suggestions-tab" data-bs-toggle="tab" data-bs-target="#suggestions" type="button" role="tab" aria-controls="suggestions" aria-selected="false">{{ gettext("Suggestions") }}</button>
    </li>
    <li class="nav-item" role="presentation">
      <button class="nav-link" id="reports-tab" data-bs-toggle="tab" data-bs-target="#reports" type="button" role="tab" aria-controls="reports" aria-selected="false">{{ gettext("Reports") }}</button>
    </li>
  </ul>
  <div class="tab-content" id="adminTabContent">
    <!-- Locations Tab -->
    <div class="tab-pane fade show active" id="locations" role="tabpanel" aria-labelledby="locations-tab">
      <div class="d-flex flex-wrap align-items-center mb-3">
        <h2 class="me-auto">{{ gettext("Locations") }}</h2>
        <div class="btn-group ms-2">
          <button id="add-location-btn" class="btn btn-primary">{{ gettext("Add Location") }}</button>
        </div>
        <div class="btn-group ms-2">
          <button class="btn btn-secondary dropdown-toggle" type="button" id="filter-type-btn" data-bs-toggle="dropdown" aria-expanded="false">{{ gettext("Filter by Type") }}</button>
          <div class="dropdown-menu p-3" id="filter-type-menu"></div>
        </div>
        <div class="btn-group ms-2">
          <button class="btn btn-secondary dropdown-toggle" type="button" id="filter-access-btn" data-bs-toggle="dropdown" aria-expanded="false">{{ gettext("Filter by Accessibility") }}</button>
          <div class="dropdown-menu p-3" id="filter-access-menu"></div>
        </div>
      </div>
      <table class="table table-striped table-bordered">
        <thead>
          <tr>
            <th>{{ gettext("UUID") }}</th>
            <th>{{ gettext("Name") }}</th>
            <th>{{ gettext("Position") }}</th>
            <th>{{ gettext("Accessible By") }}</th>
            <th>{{ gettext("Type") }}</th>
            <th>{{ gettext("Actions") }}</th>
          </tr>
        </thead>
        <tbody id="locations-body"></tbody>
      </table>
      <div id="locations-pagination" class="d-flex justify-content-between align-items-center mb-3"></div>
      <!-- Location Form -->
      <div class="card mt-4" id="location-form-card" style="display:none">
        <div class="card-body">
          <h3 id="location-form-title"></h3>
          <form id="location-form">
            <input type="hidden" id="location-uuid">
            <div class="mb-3">
              <label for="location-name" class="form-label">{{ gettext("Name") }}</label>
              <input type="text" class="form-control" id="location-name" required>
            </div>
            <div class="mb-3">
              <label class="form-label">{{ gettext("Position") }}</label>
              <div id="location-map" class="map"></div>
              <input type="hidden" id="location-position">
            </div>
            <div class="mb-3">
              <label for="location-type" class="form-label">{{ gettext("Type") }}</label>
              <select class="form-select" id="location-type" required></select>
            </div>
            <div class="mb-3">
              <label class="form-label">{{ gettext("Accessible By") }}</label>
              <div id="location-accessible" class="d-flex flex-wrap"></div>
            </div>
            <button type="submit" class="btn btn-success">{{ gettext("Save") }}</button>
            <button type="button" class="btn btn-secondary" id="location-cancel-btn">{{ gettext("Cancel") }}</button>
            <button type="button" class="btn btn-danger" id="location-delete-btn" style="display:none">{{ gettext("Delete") }}</button>
          </form>
        </div>
      </div>
    </div>
    <!-- Suggestions Tab -->
    <div class="tab-pane fade" id="suggestions" role="tabpanel" aria-labelledby="suggestions-tab">
      <div class="d-flex align-items-center mb-3">
        <h2 class="me-auto">{{ gettext("Suggestions") }}</h2>
        <div class="btn-group">
          <button class="btn btn-secondary dropdown-toggle" type="button" id="suggestions-filter-btn" data-bs-toggle="dropdown" aria-expanded="false">{{ gettext("Filter by Status") }}</button>
          <div class="dropdown-menu p-3" id="suggestions-filter-menu"></div>
        </div>
      </div>
      <div id="suggestions-map" class="map mb-3"></div>
      <table class="table table-striped table-bordered">
        <thead>
          <tr>
            <th>{{ gettext("UUID") }}</th>
            <th>{{ gettext("Name") }}</th>
            <th>{{ gettext("Position") }}</th>
            <th>{{ gettext("Status") }}</th>
            <th>{{ gettext("Actions") }}</th>
          </tr>
        </thead>
        <tbody id="suggestions-body"></tbody>
      </table>
      <div id="suggestions-pagination" class="d-flex justify-content-between align-items-center mb-3"></div>
    </div>
    <!-- Reports Tab -->
    <div class="tab-pane fade" id="reports" role="tabpanel" aria-labelledby="reports-tab">
      <div class="d-flex align-items-center mb-3">
        <h2 class="me-auto">{{ gettext("Reports") }}</h2>
        <div class="btn-group me-2">
          <button class="btn btn-secondary dropdown-toggle" type="button" id="reports-filter-status-btn" data-bs-toggle="dropdown" aria-expanded="false">{{ gettext("Filter by Status") }}</button>
          <div class="dropdown-menu p-3" id="reports-filter-status-menu"></div>
        </div>
        <div class="btn-group">
          <button class="btn btn-secondary dropdown-toggle" type="button" id="reports-filter-priority-btn" data-bs-toggle="dropdown" aria-expanded="false">{{ gettext("Filter by Priority") }}</button>
          <div class="dropdown-menu p-3" id="reports-filter-priority-menu"></div>
        </div>
      </div>
      <table class="table table-striped table-bordered">
        <thead>
          <tr>
            <th>{{ gettext("UUID") }}</th>
            <th>{{ gettext("Location ID") }}</th>
            <th>{{ gettext("Description") }}</th>
            <th>{{ gettext("Status") }}</th>
            <th>{{ gettext("Priority") }}</th>
          </tr>
        </thead>
        <tbody id="reports-body"></tbody>
      </table>
      <div id="reports-pagination" class="d-flex justify-content-between align-items-center mb-3"></div>
    </div>
  </div>
</div>

<!-- Load Leaflet JS -->
<script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js" integrity="sha256-yDc0eil8GjWFKqN1OSzHSVCiuGghTosZCcRje4tj7iQ=" crossorigin=""></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
  let csrfToken = '{{ csrf_token() }}';

  // Data containers
  let locationsData = [];
  let suggestionsData = [];
  let reportsData = [];

  // Category options
  const categories = { accessible_by: [], type_of_place: [] };

  // Maps
  let locationMap, locationMarker;
  let suggestionsMap, suggestionsTile;
  // Default map center (Poland)
  const POLAND_CENTER = [52.237, 21.017];
  const POLAND_ZOOM = 6;

  // Priority order for sorting reports
  const priorityOrder = { critical: 1, high: 2, medium: 3, low: 4 };

  // Filters state
  const locFilters = { type: [], access: [] };
  const suggFilters = { status: ['pending'] };
  const repFilters = { status: ['pending'], priority: [] };
  // Pagination and sorting state
  const locState = { page: 1, per_page: 20, sort_by: null, sort_order: 'asc' };
  const suggState = { page: 1, per_page: 20, sort_by: null, sort_order: 'asc' };
  const repState = { page: 1, per_page: 20, sort_by: null, sort_order: 'asc' };

  // Initialize UI
  initCategories().then(() => {
    buildLocationFilters();
    buildLocationFormOptions();
    buildSuggestionFilters();
    buildReportFilters();
    loadLocations();
    loadSuggestions();
    loadReports();
  });

  function escapeHTML(str) {
    const div = document.createElement('div');
    div.innerText = str;
    return div.innerHTML;
  }

  // Category fetch
  function initCategories() {
    return Promise.all([
      fetch('/api/category/accessible_by').then(r => r.json()),
      fetch('/api/category/type_of_place').then(r => r.json())
    ]).then(([accessOpts, typeOpts]) => {
      categories.accessible_by = accessOpts.map(o => o[0]);
      categories.type_of_place = typeOpts.map(o => o[0]);
    });
  }

  // Location Filters
  function buildLocationFilters() {
    const typeMenu = document.getElementById('filter-type-menu');
    categories.type_of_place.forEach(type => {
      const div = document.createElement('div'); div.className = 'form-check';
      const cb = document.createElement('input'); cb.className = 'form-check-input loc-filter-type'; cb.type = 'checkbox'; cb.value = type;
      cb.id = 'filter-type-' + type; cb.addEventListener('change', applyLocationFilters);
      const lbl = document.createElement('label'); lbl.className = 'form-check-label'; lbl.htmlFor = cb.id; lbl.innerText = type;
      div.append(cb, lbl); typeMenu.append(div);
    });
    const accessMenu = document.getElementById('filter-access-menu');
    categories.accessible_by.forEach(acc => {
      const div = document.createElement('div'); div.className = 'form-check';
      const cb = document.createElement('input'); cb.className = 'form-check-input loc-filter-access'; cb.type = 'checkbox'; cb.value = acc;
      cb.id = 'filter-access-' + acc; cb.addEventListener('change', applyLocationFilters);
      const lbl = document.createElement('label'); lbl.className = 'form-check-label'; lbl.htmlFor = cb.id; lbl.innerText = acc;
      div.append(cb, lbl); accessMenu.append(div);
    });
    document.getElementById('add-location-btn').addEventListener('click', () => showLocationForm());
    document.getElementById('location-cancel-btn').addEventListener('click', hideLocationForm);
  }

  function applyLocationFilters() {
    locFilters.type = Array.from(document.querySelectorAll('.loc-filter-type:checked')).map(cb => cb.value);
    locFilters.access = Array.from(document.querySelectorAll('.loc-filter-access:checked')).map(cb => cb.value);
    locState.page = 1;
    loadLocations();
  }

  // Location Form
  function buildLocationFormOptions() {
    const typeSel = document.getElementById('location-type');
    categories.type_of_place.forEach(type => {
      const opt = document.createElement('option'); opt.value = type; opt.innerText = type; typeSel.append(opt);
    });
    const acDiv = document.getElementById('location-accessible');
    categories.accessible_by.forEach(acc => {
      const div = document.createElement('div'); div.className = 'form-check me-3';
      const cb = document.createElement('input'); cb.className = 'form-check-input'; cb.type = 'checkbox'; cb.id = 'loc-form-access-' + acc; cb.value = acc;
      const lbl = document.createElement('label'); lbl.className = 'form-check-label'; lbl.htmlFor = cb.id; lbl.innerText = acc;
      div.append(cb, lbl); acDiv.append(div);
    });
    document.getElementById('location-form').addEventListener('submit', submitLocationForm);
    document.getElementById('location-delete-btn').addEventListener('click', deleteLocation);
  }

  function showLocationForm(loc) {
    document.getElementById('location-form-title').innerText = loc ? '{{ gettext("Edit Location") }}' : '{{ gettext("Add Location") }}';
    document.getElementById('location-uuid').value = loc ? loc.uuid : '';
    document.getElementById('location-name').value = loc ? loc.name : '';
    document.getElementById('location-type').value = loc ? loc.type_of_place : '';
    categories.accessible_by.forEach(acc => {
      document.getElementById('loc-form-access-' + acc).checked = loc && loc.accessible_by.includes(acc);
    });
    document.getElementById('location-delete-btn').style.display = loc ? 'inline-block' : 'none';
    const posInput = document.getElementById('location-position');
    const card = document.getElementById('location-form-card');
    if (!locationMap) initLocationMap();
    // Set form values (marker placement handled after resize)
    if (loc) {
      document.getElementById('location-uuid').value = loc.uuid;
      document.getElementById('location-name').value = loc.name;
      document.getElementById('location-type').value = loc.type_of_place;
      categories.accessible_by.forEach(acc => {
        document.getElementById('loc-form-access-' + acc).checked = loc.accessible_by.includes(acc);
      });
      posInput.value = JSON.stringify(loc.position);
    } else {
      // Reset form for new
      document.getElementById('location-uuid').value = '';
      document.getElementById('location-name').value = '';
      document.getElementById('location-type').value = '';
      categories.accessible_by.forEach(acc => {
        document.getElementById('loc-form-access-' + acc).checked = false;
      });
      if (locationMarker) locationMap.removeLayer(locationMarker);
      posInput.value = '';
    }
    // Show form
    card.style.display = 'block';
    // Allow layout then resize map to fit
    setTimeout(() => {
      locationMap.invalidateSize();
      if (loc) {
        const latlng = L.latLng(loc.position[0], loc.position[1]);
        placeLocationMarker(latlng);
        locationMap.setView(latlng, 15);
      } else {
        locationMap.setView(POLAND_CENTER, POLAND_ZOOM);
      }
    }, 0);
    window.scrollTo(0, card.offsetTop);
  }

  function hideLocationForm() {
    document.getElementById('location-form-card').style.display = 'none';
  }

  function initLocationMap() {
    locationMap = L.map('location-map').setView(POLAND_CENTER, POLAND_ZOOM);
    L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',{ attribution: '© OpenStreetMap contributors' }).addTo(locationMap);
    locationMap.on('click', e => placeLocationMarker(e.latlng));
  }

  function placeLocationMarker(latlng) {
    if (!locationMarker) {
      locationMarker = L.marker(latlng,{ draggable:true }).addTo(locationMap);
      locationMarker.on('dragend', e => updateLocationPosition(e.target.getLatLng()));
    } else {
      locationMarker.setLatLng(latlng);
    }
    updateLocationPosition(latlng);
  }

  function updateLocationPosition(latlng) {
    document.getElementById('location-position').value = JSON.stringify([latlng.lat, latlng.lng]);
  }

  function submitLocationForm(e) {
    e.preventDefault();
    const uuid = document.getElementById('location-uuid').value;
    const name = document.getElementById('location-name').value;
    const position = JSON.parse(document.getElementById('location-position').value || '[]');
    const type = document.getElementById('location-type').value;
    const accessible_by = categories.accessible_by.filter(acc => document.getElementById('loc-form-access-' + acc).checked);
    const payload = { name, position, type_of_place: type, accessible_by };
    const method = uuid ? 'PUT' : 'POST';
    const url = '/api/admin/locations' + (uuid ? '/' + uuid : '');
    fetch(url, { method, headers: { 'Content-Type':'application/json','X-CSRFToken':csrfToken }, body: JSON.stringify(payload) })
      .then(r => { if (r.ok) { hideLocationForm(); loadLocations(); } else r.json().then(err => alert(err.message)); });
  }

  function deleteLocation() {
    const uuid = document.getElementById('location-uuid').value;
    if (!uuid) return;
    fetch('/api/admin/locations/' + uuid, { method: 'DELETE', headers:{ 'X-CSRFToken':csrfToken } })
      .then(r => { if (r.ok) { hideLocationForm(); loadLocations(); } else alert('{{ gettext("Error deleting location") }}'); });
  }

  function loadLocations() {
    const params = new URLSearchParams();
    params.append('page', locState.page);
    // Handle per_page parameter ('all' for no limit)
    params.append('per_page', locState.per_page === null ? 'all' : locState.per_page);
    if (locState.sort_by) {
      params.append('sort_by', locState.sort_by);
      params.append('sort_order', locState.sort_order);
    }
    locFilters.type.forEach(t => params.append('type_of_place', t));
    locFilters.access.forEach(a => params.append('accessible_by', a));
    fetch('/api/admin/locations?' + params.toString())
      .then(r => r.json())
      .then(data => {
        if (data.items !== undefined) {
          locationsData = data.items;
          locState.total = data.total;
          locState.total_pages = data.total_pages;
        } else {
          locationsData = data;
          locState.total = locationsData.length;
          locState.total_pages = 1;
        }
        renderLocations();
        renderLocationPagination();
      });
  }

  function renderLocations() {
    const tbody = document.getElementById('locations-body'); tbody.innerHTML='';
    locationsData.forEach(loc => {
        const tr = document.createElement('tr');
        tr.innerHTML = `<td>${loc.uuid}</td><td>${loc.name}</td><td>[${loc.position}]</td><td>${loc.accessible_by.join(', ')}</td><td>${loc.type_of_place}</td><td><button class="btn btn-sm btn-primary edit-loc-btn" data-id="${loc.uuid}">{{gettext("Edit")}}</button></td>`;
        tbody.appendChild(tr);
        tr.querySelector('.edit-loc-btn').addEventListener('click', () => { const l = locationsData.find(x => x.uuid == loc.uuid); showLocationForm(l); });
    });
  }
  // Pagination for Locations
  function renderLocationPagination() {
    const pag = document.getElementById('locations-pagination');
    pag.innerHTML = '';
    const info = document.createElement('div');
    if (locState.per_page === null) {
      info.innerText = `Showing all ${locState.total} items`;
    } else {
      const start = (locState.page - 1) * locState.per_page + 1;
      const end = Math.min(locState.page * locState.per_page, locState.total);
      info.innerText = `Showing ${start}-${end} of ${locState.total}`;
    }
    pag.appendChild(info);
    const nav = document.createElement('div');
    nav.className = 'btn-group';
    const prev = document.createElement('button');
    prev.className = 'btn btn-sm btn-secondary';
    prev.innerText = '{{ gettext("Previous") }}';
    prev.disabled = locState.page <= 1;
    prev.addEventListener('click', () => { if (locState.page > 1) { locState.page--; loadLocations(); } });
    const next = document.createElement('button');
    next.className = 'btn btn-sm btn-secondary';
    next.innerText = '{{ gettext("Next") }}';
    next.disabled = locState.page >= locState.total_pages;
    next.addEventListener('click', () => { if (locState.page < locState.total_pages) { locState.page++; loadLocations(); } });
    nav.append(prev, next);
    pag.appendChild(nav);
    const selDiv = document.createElement('div');
    const lbl = document.createElement('label');
    lbl.className = 'me-2';
    lbl.innerText = '{{ gettext("Items per page:") }}';
    const sel = document.createElement('select');
    sel.className = 'form-select form-select-sm d-inline-block w-auto';
    [['20','20'],['50','50'],['100','100'],['all','{{ gettext("All") }}']].forEach(([val,text]) => {
      const opt = document.createElement('option');
      opt.value = val;
      opt.innerText = text;
      if ((locState.per_page === null && val === 'all') || (locState.per_page == parseInt(val))) opt.selected = true;
      sel.appendChild(opt);
    });
    sel.addEventListener('change', () => {
      const v = sel.value;
      locState.per_page = v === 'all' ? null : parseInt(v);
      locState.page = 1;
      loadLocations();
    });
    selDiv.append(lbl, sel);
    pag.appendChild(selDiv);
  }

  // Suggestions
  function buildSuggestionFilters() {
    const menu = document.getElementById('suggestions-filter-menu');
    ['pending','accepted','rejected'].forEach(status => {
      const div = document.createElement('div'); div.className='form-check';
      const cb = document.createElement('input'); cb.className='form-check-input sugg-filter-status'; cb.type='checkbox'; cb.value=status; cb.id='sugg-filter-'+status;
      if (status==='pending') cb.checked=true; cb.addEventListener('change', applySuggestionFilters);
      const lbl = document.createElement('label'); lbl.className='form-check-label'; lbl.htmlFor=cb.id; lbl.innerText=status;
      div.append(cb,lbl); menu.append(div);
    });
  }

  function applySuggestionFilters() {
    suggFilters.status = Array.from(document.querySelectorAll('.sugg-filter-status:checked')).map(cb=>cb.value);
    suggState.page = 1;
    loadSuggestions();
  }

  function loadSuggestions() {
    const params = new URLSearchParams();
    params.append('page', suggState.page);
    // Handle per_page parameter ('all' for no limit)
    params.append('per_page', suggState.per_page === null ? 'all' : suggState.per_page);
    if (suggState.sort_by) {
      params.append('sort_by', suggState.sort_by);
      params.append('sort_order', suggState.sort_order);
    }
    suggFilters.status.forEach(s => params.append('status', s));
    fetch('/api/admin/suggestions?' + params.toString())
      .then(r => r.json())
      .then(data => {
        if (data.items !== undefined) {
          suggestionsData = data.items;
          suggState.total = data.total;
          suggState.total_pages = data.total_pages;
        } else {
          suggestionsData = data;
          suggState.total = suggestionsData.length;
          suggState.total_pages = 1;
        }
        renderSuggestions();
        renderSuggestionPagination();
      });
  }

  function initSuggestionsMap() {
    suggestionsMap = L.map('suggestions-map').setView(POLAND_CENTER, POLAND_ZOOM);
    suggestionsTile = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',{ attribution:'© OpenStreetMap contributors' }).addTo(suggestionsMap);
  }

  function renderSuggestions() {
    if (!suggestionsMap) initSuggestionsMap();
    const filtered = suggestionsData.filter(s=>suggFilters.status.length===0 || suggFilters.status.includes(s.status));
    suggestionsMap.eachLayer(layer=>{ if (layer!==suggestionsTile) suggestionsMap.removeLayer(layer); });
    filtered.forEach(s=> {
      const safeName = escapeHTML(s.name || '');
      const m = L.marker([s.position[0], s.position[1]]).addTo(suggestionsMap);
      m.bindPopup(`<strong>${safeName}</strong><br>${s.status}`);
    });

    const tbody = document.getElementById('suggestions-body'); tbody.innerHTML='';
    filtered.forEach(s=> {
      const safeName = escapeHTML(s.name || '');
      const tr = document.createElement('tr');
      tr.innerHTML = `<td>${s.uuid}</td>
                      <td>${safeName}</td>
                      <td>[${s.position}]</td>
                      <td>${s.status}</td>
                      <td>
                        <button class="btn btn-sm btn-success sugg-accept-btn" data-id="${s.uuid}">{{ gettext("Accept") }}</button>
                        <button class="btn btn-sm btn-danger sugg-reject-btn" data-id="${s.uuid}">{{ gettext("Reject") }}</button>
                      </td>`;
      tbody.appendChild(tr);
      tr.querySelector('.sugg-accept-btn').addEventListener('click', ()=> updateSuggestion(s.uuid,'accepted'));
      tr.querySelector('.sugg-reject-btn').addEventListener('click', ()=> updateSuggestion(s.uuid,'rejected'));
    });
  }

  function updateSuggestion(id,status) {
    fetch('/api/admin/suggestions/'+id, { method:'PUT', headers:{'Content-Type':'application/json','X-CSRFToken':csrfToken}, body: JSON.stringify({status}) })
      .then(r=>{ if (r.ok) loadSuggestions(); else r.json().then(err=>alert(err.message)); });
  }
  // Pagination for Suggestions
  function renderSuggestionPagination() {
    const pag = document.getElementById('suggestions-pagination');
    pag.innerHTML = '';
    const info = document.createElement('div');
    if (suggState.per_page === null) {
      info.innerText = `Showing all ${suggState.total} items`;
    } else {
      const start = (suggState.page - 1) * suggState.per_page + 1;
      const end = Math.min(suggState.page * suggState.per_page, suggState.total);
      info.innerText = `Showing ${start}-${end} of ${suggState.total}`;
    }
    pag.appendChild(info);
    const nav = document.createElement('div');
    nav.className = 'btn-group';
    const prev = document.createElement('button');
    prev.className = 'btn btn-sm btn-secondary';
    prev.innerText = '{{ gettext("Previous") }}';
    prev.disabled = suggState.page <= 1;
    prev.addEventListener('click', () => { if (suggState.page > 1) { suggState.page--; loadSuggestions(); } });
    const next = document.createElement('button');
    next.className = 'btn btn-sm btn-secondary';
    next.innerText = '{{ gettext("Next") }}';
    next.disabled = suggState.page >= suggState.total_pages;
    next.addEventListener('click', () => { if (suggState.page < suggState.total_pages) { suggState.page++; loadSuggestions(); } });
    nav.append(prev, next);
    pag.appendChild(nav);
    const selDiv = document.createElement('div');
    const lbl = document.createElement('label');
    lbl.className = 'me-2';
    lbl.innerText = '{{ gettext("Items per page:") }}';
    const sel = document.createElement('select');
    sel.className = 'form-select form-select-sm d-inline-block w-auto';
    [['20','20'],['50','50'],['100','100'],['all','{{ gettext("All") }}']].forEach(([val,text]) => {
      const opt = document.createElement('option');
      opt.value = val;
      opt.innerText = text;
      if ((suggState.per_page === null && val === 'all') || (suggState.per_page == parseInt(val))) opt.selected = true;
      sel.appendChild(opt);
    });
    sel.addEventListener('change', () => {
      const v = sel.value;
      suggState.per_page = v === 'all' ? null : parseInt(v);
      suggState.page = 1;
      loadSuggestions();
    });
    selDiv.append(lbl, sel);
    pag.appendChild(selDiv);
  }

  // Reports
  function buildReportFilters() {
    const statMenu = document.getElementById('reports-filter-status-menu');
    ['pending','resolved','rejected'].forEach(status => {
      const div = document.createElement('div'); div.className='form-check';
      const cb = document.createElement('input'); cb.className='form-check-input rep-filter-status'; cb.type='checkbox'; cb.value=status; cb.id='rep-filter-status-'+status;
      if (status==='pending') cb.checked=true; cb.addEventListener('change', applyReportFilters);
      const lbl = document.createElement('label'); lbl.className='form-check-label'; lbl.htmlFor=cb.id; lbl.innerText=status;
      div.append(cb,lbl); statMenu.append(div);
    });
    const priMenu = document.getElementById('reports-filter-priority-menu');
    ['critical','high','medium','low'].forEach(pr => {
      const div = document.createElement('div'); div.className='form-check';
      const cb = document.createElement('input'); cb.className='form-check-input rep-filter-priority'; cb.type='checkbox'; cb.value=pr; cb.id='rep-filter-priority-'+pr;
      cb.addEventListener('change', applyReportFilters);
      const lbl = document.createElement('label'); lbl.className='form-check-label'; lbl.htmlFor=cb.id; lbl.innerText=pr;
      div.append(cb,lbl); priMenu.append(div);
    });
  }

  function applyReportFilters() {
    repFilters.status = Array.from(document.querySelectorAll('.rep-filter-status:checked')).map(cb=>cb.value);
    repFilters.priority = Array.from(document.querySelectorAll('.rep-filter-priority:checked')).map(cb=>cb.value);
    repState.page = 1;
    loadReports();
  }

  function loadReports() {
    const params = new URLSearchParams();
    params.append('page', repState.page);
    // Handle per_page parameter ('all' for no limit)
    params.append('per_page', repState.per_page === null ? 'all' : repState.per_page);
    if (repState.sort_by) {
      params.append('sort_by', repState.sort_by);
      params.append('sort_order', repState.sort_order);
    }
    repFilters.status.forEach(s => params.append('status', s));
    repFilters.priority.forEach(p => params.append('priority', p));
    fetch('/api/admin/reports?' + params.toString())
      .then(r => r.json())
      .then(data => {
        if (data.items !== undefined) {
          reportsData = data.items;
          repState.total = data.total;
          repState.total_pages = data.total_pages;
        } else {
          reportsData = data;
          repState.total = reportsData.length;
          repState.total_pages = 1;
        }
        renderReports();
        renderReportPagination();
      });
  }

  function renderReports() {
    const tbody = document.getElementById('reports-body'); tbody.innerHTML='';
    reportsData
      .filter(r => (repFilters.status.length===0 || repFilters.status.includes(r.status)) && (repFilters.priority.length===0 || repFilters.priority.includes(r.priority)))
      .sort((a,b)=> priorityOrder[a.priority] - priorityOrder[b.priority])
      .forEach(r => {
        const safeDescription = escapeHTML(r.description);
        const tr = document.createElement('tr');
        tr.innerHTML = `<td>${r.uuid}</td>
                        <td>${r.location_id}</td>
                        <td>${safeDescription}</td>
                        <td>
                          <select class="form-select form-select-sm rep-status-select" data-id="${r.uuid}">
                            <option value="pending"${r.status==='pending'?' selected':''}>{{ gettext("pending") }}</option>
                            <option value="resolved"${r.status==='resolved'?' selected':''}>{{ gettext("resolved") }}</option>
                            <option value="rejected"${r.status==='rejected'?' selected':''}>{{ gettext("rejected") }}</option>
                          </select>
                        </td>
                        <td>
                          <select class="form-select form-select-sm rep-priority-select" data-id="${r.uuid}">
                            <option value="critical"${r.priority==='critical'?' selected':''}>{{ gettext("critical") }}</option>
                            <option value="high"${r.priority==='high'?' selected':''}>{{ gettext("high") }}</option>
                            <option value="medium"${r.priority==='medium'?' selected':''}>{{ gettext("medium") }}</option>
                            <option value="low"${r.priority==='low'?' selected':''}>{{ gettext("low") }}</option>
                          </select>
                        </td>`;
        tbody.appendChild(tr);
        tr.querySelector('.rep-status-select').addEventListener('change', e=> updateReport(r.uuid,{ status: e.target.value }));
        tr.querySelector('.rep-priority-select').addEventListener('change', e=> updateReport(r.uuid,{ priority: e.target.value }));
      });
  }

  function updateReport(id, data) {
    fetch('/api/admin/reports/'+id, { method:'PUT', headers:{'Content-Type':'application/json','X-CSRFToken':csrfToken}, body: JSON.stringify(data) })
      .then(r=>{ if (r.ok) loadReports(); else r.json().then(err=>alert(err.message)); });
  }
  // Pagination for Reports
  function renderReportPagination() {
    const pag = document.getElementById('reports-pagination');
    pag.innerHTML = '';
    const info = document.createElement('div');
    if (repState.per_page === null) {
      info.innerText = `Showing all ${repState.total} items`;
    } else {
      const start = (repState.page - 1) * repState.per_page + 1;
      const end = Math.min(repState.page * repState.per_page, repState.total);
      info.innerText = `Showing ${start}-${end} of ${repState.total}`;
    }
    pag.appendChild(info);
    const nav = document.createElement('div');
    nav.className = 'btn-group';
    const prev = document.createElement('button');
    prev.className = 'btn btn-sm btn-secondary';
    prev.innerText = '{{ gettext("Previous") }}';
    prev.disabled = repState.page <= 1;
    prev.addEventListener('click', () => { if (repState.page > 1) { repState.page--; loadReports(); } });
    const next = document.createElement('button');
    next.className = 'btn btn-sm btn-secondary';
    next.innerText = '{{ gettext("Next") }}';
    next.disabled = repState.page >= repState.total_pages;
    next.addEventListener('click', () => { if (repState.page < repState.total_pages) { repState.page++; loadReports(); } });
    nav.append(prev, next);
    pag.appendChild(nav);
    const selDiv = document.createElement('div');
    const lbl = document.createElement('label');
    lbl.className = 'me-2';
    lbl.innerText = '{{ gettext("Items per page:") }}';
    const sel = document.createElement('select');
    sel.className = 'form-select form-select-sm d-inline-block w-auto';
    [['20','20'],['50','50'],['100','100'],['all','{{ gettext("All") }}']].forEach(([val,text]) => {
      const opt = document.createElement('option');
      opt.value = val;
      opt.innerText = text;
      if ((repState.per_page === null && val === 'all') || (repState.per_page == parseInt(val))) opt.selected = true;
      sel.appendChild(opt);
    });
    sel.addEventListener('change', () => {
      const v = sel.value;
      repState.per_page = v === 'all' ? null : parseInt(v);
      repState.page = 1;
      loadReports();
    });
    selDiv.append(lbl, sel);
    pag.appendChild(selDiv);
  }
  // Handle tab hash in URL and map resizing on tab change
  const tabButtons = document.querySelectorAll('button[data-bs-toggle="tab"]');
  tabButtons.forEach(btn => {
    btn.addEventListener('shown.bs.tab', e => {
      const target = e.target.getAttribute('data-bs-target');
      history.replaceState(null, '', target);
      if (target === '#suggestions' && suggestionsMap) {
        suggestionsMap.invalidateSize();
        suggestionsMap.setView(POLAND_CENTER, POLAND_ZOOM);
      }
    });
  });
  // Activate tab from URL hash on load
  const hash = window.location.hash;
  if (hash) {
    const triggerEl = document.querySelector('button[data-bs-target="' + hash + '"]');
    if (triggerEl) {
      const tab = new bootstrap.Tab(triggerEl);
      tab.show();
    }
  }
});
</script>
<script>
    window.APP_LANG = "{{ current_language }}";
    window.SECONDARY_COLOR = "{{ secondary_color }}";
    window.PRIMARY_COLOR = "{{ primary_color }}";
    
    window.SHOW_SUGGEST_NEW_POINT_BUTTON = {{ feature_flags.SHOW_SUGGEST_NEW_POINT_BUTTON | default(false) | tojson }};
    window.SHOW_SEARCH_BAR = {{ feature_flags.SHOW_SEARCH_BAR | default(false) | tojson }};
    window.USE_LAZY_LOADING = {{ feature_flags.USE_LAZY_LOADING | default(false) | tojson }};
    window.SHOW_ACCESSIBILITY_TABLE = {{ feature_flags.SHOW_ACCESSIBILITY_TABLE | default(false) | tojson }};
</script>
<script src="{{ goodmap_frontend_lib_url }}"></script>
{% endblock %}