import mapboxgl from 'mapbox-gl';
import { MAPBOX_TOKEN, MAP_CONFIG, HOME_BASE, COLORS } from '../config.js';
import { FlightPathLayer } from '../webgl/FlightPathLayer.js';

export class MapView {
  constructor(container, options = {}) {
    this.container = container;
    this.markers = new window.Map();
    this.homeMarker = null;
    this.onEventSelect = options.onEventSelect || (() => {});

    this.flightPathLayer = null;

    this.init();
  }

  init() {
    mapboxgl.accessToken = MAPBOX_TOKEN;

    this.map = new mapboxgl.Map({
      container: this.container,
      ...MAP_CONFIG
    });

    this.map.on('load', () => {
      this.addHomeBase();
      this.flightPathLayer = new FlightPathLayer(this.map);
      this.map.resize();
    });

    this.map.addControl(new mapboxgl.NavigationControl(), 'top-left');
  }

  addHomeBase() {
    const el = document.createElement('div');
    el.className = 'home-marker';
    el.innerHTML = `
      <svg width="24" height="24" viewBox="0 0 24 24" fill="none">
        <circle cx="12" cy="12" r="10" fill="${COLORS.blue}" stroke="${COLORS.white}" stroke-width="2"/>
        <path d="M12 6L16 14H8L12 6Z" fill="${COLORS.white}"/>
      </svg>
    `;

    this.homeMarker = new mapboxgl.Marker({ element: el, anchor: 'center' })
      .setLngLat(HOME_BASE.coordinates)
      .addTo(this.map);
  }

  setEvents(events) {
    this.events = events;

    // Clear existing markers
    this.markers.forEach(marker => marker.remove());
    this.markers.clear();

    events.forEach(event => {
      const el = this.createMarkerElement(event);

      const marker = new mapboxgl.Marker({ element: el, anchor: 'center' })
        .setLngLat(event.location.coordinates)
        .addTo(this.map);

      el.addEventListener('click', () => {
        this.onEventSelect(event);
      });

      this.markers.set(event.id, marker);
    });
  }

  createMarkerElement(event) {
    const el = document.createElement('div');
    el.className = `event-marker ${event.type}`;

    const color = event.type === 'international' ? COLORS.blue : COLORS.red;

    el.innerHTML = `
      <svg width="20" height="20" viewBox="0 0 20 20" fill="none">
        <circle cx="10" cy="10" r="8" fill="${color}" opacity="0.2"/>
        <circle cx="10" cy="10" r="5" fill="${color}"/>
      </svg>
    `;

    return el;
  }

  flyTo(coordinates, zoom = 9) {
    this.map.flyTo({
      center: coordinates,
      zoom,
      duration: 1500,
      essential: true
    });
  }

  selectEvent(eventId) {
    // Reset all markers
    this.markers.forEach((marker, id) => {
      marker.getElement().classList.remove('selected');
    });

    // Highlight selected marker
    const marker = this.markers.get(eventId);
    if (marker) {
      marker.getElement().classList.add('selected');
    }
  }

  // Show full static path between two points
  showFlightPath(from, to) {
    if (this.flightPathLayer) {
      this.flightPathLayer.showPath(from, to);
    }
  }

  // Animate path being traced, call onComplete when done
  animateFlightPath(from, to, duration, onComplete) {
    if (this.flightPathLayer) {
      this.flightPathLayer.animatePath(from, to, duration, onComplete);
    }
  }

  hideFlightPath() {
    if (this.flightPathLayer) {
      this.flightPathLayer.hide();
    }
  }

  resetView() {
    this.map.flyTo({
      center: MAP_CONFIG.center,
      zoom: MAP_CONFIG.zoom,
      duration: 1000
    });

    this.hideFlightPath();
  }

  zoomToFrance() {
    this.map.flyTo({
      center: MAP_CONFIG.center,
      zoom: 4.3,
      duration: 800
    });
  }

  getMap() {
    return this.map;
  }
}