let map = L.map('map').setView([15.5527, 48.5164], 6);

// Define the two tile layers
const voyager = L.tileLayer('https://{s}.basemaps.cartocdn.com/rastertiles/voyager/{z}/{x}/{y}{r}.png', {
  attribution: '© OpenStreetMap contributors © CARTO',
  subdomains: 'abcd',
  maxZoom: 19
});

const openStreetMap = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
  attribution: 'Map data © OpenStreetMap contributors',
  maxZoom: 19
});

// Add the default layer (Voyager)
voyager.addTo(map);

// Group the layers for switching
const baseMaps = {
  "English Map (CartoDB Voyager)": voyager,
  "Original Map (OpenStreetMap)": openStreetMap
};

// Add the layer control to the map
L.control.layers(baseMaps).addTo(map);

async function searchFamily() {
  const familyName = document.getElementById('searchInput').value.trim();
  if (!familyName) {
    alert('Please enter a family name.');
    return;
  }

  try {
    const response = await fetch(`/api/search?family=${encodeURIComponent(familyName)}`);
    const familyResult = await response.json();

    if (!familyResult.length) {
      alert('No matching family found.');
      return;
    }

  clearMarkers();
  
  familyResult.forEach(record => {
    L.marker([record.lat, record.lng]).addTo(map)
       .bindPopup(`<strong>${record.family}</strong><br>City: ${record.city}`)
       .openPopup();
  });
  
  const first = familyResult[0];
  map.setView([first.lat, first.lng], 7);

  } catch (error) {
    console.error('Search error:', error);
    alert('Something went wrong while searching. Please try again later.');
    }
}

function clearMarkers() {
  map.eachLayer(layer => {
    if (layer instanceof L.Marker) {
      map.removeLayer(layer);
    }
  });
}

// Autocomplete data - loaded from database
let familyNames = [];
let fuse;

// Load families from database for autocomplete
async function loadFamiliesForAutocomplete() {
  try {
    console.log('📚 Loading families from database for autocomplete...');
    const response = await fetch('/api/families');
    const families = await response.json();
    
    // Extract unique family names
    familyNames = [...new Set(families.map(f => f.family))];
    console.log('✅ Loaded', familyNames.length, 'family names for autocomplete');
    
    // Initialize or update Fuse.js
    fuse = new Fuse(familyNames, {
      includeScore: true,
      threshold: 0.4  // Lower = stricter matching
    });
  } catch (error) {
    console.error('❌ Failed to load families for autocomplete:', error);
  }
}

const searchInput = document.getElementById('searchInput');
const suggestionsBox = document.createElement('div');
suggestionsBox.classList.add('suggestions');
searchInput.parentNode.style.position = 'relative';  // Make parent relative
searchInput.parentNode.appendChild(suggestionsBox);

searchInput.addEventListener('input', () => {
  const value = searchInput.value.trim();
  suggestionsBox.innerHTML = '';

  if (!value || !fuse) return;

  const results = fuse.search(value);

  results.forEach(result => {
    const option = document.createElement('div');
    option.textContent = result.item;
    option.onclick = () => {
      searchInput.value = result.item;
      suggestionsBox.innerHTML = '';
    };
    suggestionsBox.appendChild(option);
  });
});

L.control.logo = function (opts) {
    return new L.Control.Logo(opts);
  };

L.Control.Logo = L.Control.extend({
    onAdd: function () {
        const div = L.DomUtil.create('div', 'custom-logo');
        div.innerHTML = `
        <img src="logo.png" alt="Logo" style="height: 40px; vertical-align: middle;">
        <span style="margin-left: 8px; font-weight: bold; color: #333;">Shevach</span>
        `;
        return div;
    },

    onRemove: function () {
        // Nothing to clean up
    }
});

L.control.logo({ position: 'bottomleft' }).addTo(map);

// Add Family Form Functions
function toggleAddFamilyForm() {
  const modal = document.getElementById('addFamilyModal');
  const form = document.getElementById('addFamilyForm');
  const message = document.getElementById('formMessage');
  
  if (modal.style.display === 'block') {
    modal.style.display = 'none';
    form.reset();
    message.textContent = '';
    message.className = 'form-message';
  } else {
    modal.style.display = 'block';
  }
}

async function addFamily(event) {
  event.preventDefault();
  
  const familyName = document.getElementById('familyName').value.trim();
  const cityName = document.getElementById('cityName').value.trim();
  const latitude = parseFloat(document.getElementById('latitude').value);
  const longitude = parseFloat(document.getElementById('longitude').value);
  
  const messageEl = document.getElementById('formMessage');
  messageEl.textContent = 'Adding family...';
  messageEl.className = 'form-message info';
  
  console.log('📝 Adding family:', { familyName, cityName, latitude, longitude });
  
  try {
    console.log('🌐 Sending POST request to /api/families');
    const response = await fetch('/api/families', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        family: familyName,
        city: cityName,
        lat: latitude,
        lng: longitude
      })
    });
    
    console.log('📡 Response status:', response.status, response.statusText);
    console.log('📡 Response headers:', Object.fromEntries(response.headers.entries()));
    
    const contentType = response.headers.get('content-type');
    let data;
    
    if (contentType && contentType.includes('application/json')) {
      data = await response.json();
      console.log('📦 Response data:', data);
    } else {
      const text = await response.text();
      console.error('⚠️ Non-JSON response:', text);
      data = { error: 'Server returned non-JSON response', details: text.substring(0, 200) };
    }
    
    if (response.ok) {
      console.log('✅ Family added successfully!');
      messageEl.textContent = '✅ Family added successfully!';
      messageEl.className = 'form-message success';
      
      // Reload autocomplete with updated family list
      await loadFamiliesForAutocomplete();
      
      // Add marker to map
      L.marker([latitude, longitude]).addTo(map)
        .bindPopup(`<strong>${familyName}</strong><br>City: ${cityName}`)
        .openPopup();
      
      map.setView([latitude, longitude], 10);
      
      // Reset form after 2 seconds
      setTimeout(() => {
        toggleAddFamilyForm();
      }, 2000);
    } else {
      console.error('❌ Server error:', data);
      messageEl.textContent = `❌ Error (${response.status}): ${data.error || data.message || 'Unknown error'}`;
      messageEl.className = 'form-message error';
    }
  } catch (error) {
    console.error('❌ Add family error:', error);
    messageEl.textContent = `❌ Failed: ${error.message || 'Network error'}`;
    messageEl.className = 'form-message error';
  }
}

// Close modal when clicking outside
window.onclick = function(event) {
  const modal = document.getElementById('addFamilyModal');
  if (event.target === modal) {
    toggleAddFamilyForm();
  }
}

// Allow Enter key to trigger search
document.getElementById('searchInput').addEventListener('keypress', (e) => {
  if (e.key === 'Enter') {
    searchFamily();
  }
});

// Load families for autocomplete when page loads
loadFamiliesForAutocomplete();