import * as api from "./api";
import journey_wrapper from "./types/wrapper";
import { migrator } from "./types/migration";
import { getGeoLine } from "./types/geom";

Vue.component("l-map", window.Vue2Leaflet.LMap);
Vue.component("l-tile-layer", window.Vue2Leaflet.LTileLayer);
Vue.component("l-marker", window.Vue2Leaflet.LMarker);
Vue.component("l-icon", window.Vue2Leaflet.LIcon);
Vue.component("l-popup", window.Vue2Leaflet.LPopup);
Vue.component("l-tooltip", window.Vue2Leaflet.LTooltip);
Vue.component("l-polyline", window.Vue2Leaflet.LPolyline);
Vue.component("l-control-scale", window.Vue2Leaflet.LControlScale);
Vue.component("multiselect", window.VueMultiselect.default);
Vue.use(window.VueTextareaAutosize);

const app = new Vue({
  el: "#app",
  data: {
    edit_active: ["view", "short"].indexOf(window.location.pathname.split("/")[1]) == -1,
    journey: new journey_wrapper(window.location.pathname.split("/").pop() || String.gen_id(16)),
    map_override: { active: false, center: [0, 0] },

    query: {
      type: "", res: [],
    },
    impexp: "",
    lang: {
      format: "ddd D MMM",
      formatLocale: {
        firstDayOfWeek: 1,
      },
      monthBeforeYear: true,
    },
    polyline: {
      latlngs: [],
      color: 'green'
    },
    leg_nav: {
      scrollInterval: null,
      scrollDir: null
    }
  },
  methods: {
    start_journey: function () { window.location.href = "/" + this.journey.id },

    compute_bb: function () {
      const bounds = this.$refs.map.mapObject.getBounds();
      return [[bounds.getSouthWest().lng, bounds.getSouthWest().lat],
      [bounds.getNorthEast().lng, bounds.getNorthEast().lat]]
    },
    generate_rotation: function (index, list) {
      if (index < 0 || index >= list.length) return 0;
      const c0 = list[(index == 0) ? index : (index - 1)]
      const c1 = list[(index == list.length - 1) ? index : (index + 1)]
      const brng = Math.atan2(c1[1] - c0[1], c1[0] - c0[0]);
      return `rotate:${brng - Math.PI / 2}rad`;

    },
    generate_marker: function (item, fcolor) {
      return `
			<div style="position: absolute;top: -30px;left: -6px;">
  			<i class=" fa fa-${api.icon_type(item) || "star"}  fa-lg icon-white" style="position: absolute;text-align:center; width:24px;height:24px; line-height:1.5em"></i>
			<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 36" width="24" height="36">
              <circle cx="12" cy="12" r="12" fill="${fcolor || item.color || "blue"}"/>
              <polygon points="4,12 20,12 12,36" fill="${fcolor || item.color || "blue"}" /></svg>`
    },
    generate_icon: function (item, fcolor = "", styling = "", classes = "") {
      return `<i class="fa fa-${api.icon_type(item) || "star"} fa-2x ${classes}"  style="${styling}; color:${fcolor || "white"}; text-align:center; align-content:center; width:32px; height:32px;"></i>`;
    },


    import_data: function () {
      this.journey.data = Object.assign(
        {},
        JSON.parse(this.impexp.toDecoded()),
      );
      this.journey.data.main.forEach((e) => {
        if (e.date_range) {
          e.date_range[0] = new Date(e.date_range[0]);
          e.date_range[1] = new Date(e.date_range[1]);
        }
      });
    },
    export_data: function () {
      this.impexp = JSON.stringify(this.journey.data).toEncoded();
    },
    filter_selected: function (list, step) {
      return list.filter((e) =>
        step ? e.step == this.journey.sel_day : e.step >= 0,
      );
    },
    filter_unselected: function (list) {
      return list.filter((e) => e.step == undefined || e.step < 0);
    },
    remove_item: function (list, idx) {
      list[idx].step = -1;
      list.splice(idx, 1);
    },
    log: function (e) {
      console.log(e);
    },

    get_filter: function (f) {
      switch (f) {
        case "hotel": return api.is_hotel_type;
        case "restaurant": return api.is_restauration_type;
        case "place": return api.is_attraction_type;
        case "other":
        default: return () => true;
      }
    },

    search_nominatim: function (f) {
      return (q) => {
        this.query.type = f;
        return api.query_nominatim(q, this.compute_bb(), this.get_filter(f)).catch((_err) => []).then((r) => {
          r.forEach((rr) => {
            rr.latlon = [parseFloat(rr.lat), parseFloat(rr.lon)];
            rr.sname = rr.display_name.split(",")[0];
          });
          this.query.res = r;
          return r
        });
      }
    },
    search_travel: function (f) {
      return (q) => {
        this.query.type = f;
        return api.query_flight(q).then((r) => {
          r.forEach(el => {
            el.path = getGeoLine(
              { lat: el.from_geo.lat, lng: el.from_geo.lon },
              { lat: el.to_geo.lat, lng: el.to_geo.lon }, { dist: 5_000_000 }).map(v => [v.lat, v.lng])
            el.type = "flight";
          });
          this.query.res = r;
          return r;
        });
      }
    },

    drawer_hover_item: function (item) {
      if (item) {
        this.map_override.active = true
        this.map_override.center = [item.lat, item.lon]
      } else {
        this.map_override.active = false
      }
    },

    drawer_click_item: function (item) {
      const tpe = this.query.type;
      this.query.res = [];
      this.query.type = null;
      this.drawer_hover_item()
      switch (tpe) {
        case 'hotel': return this.journey.leg_get().hotel = item;
        case 'restaurant': return this.journey.leg_get().places.restaurants.push(item);
        case 'place': return this.journey.leg_get().places.activities.push(item);
        case 'other': return;
        case 'flight': return this.journey.leg_get().travel.push(item);
      }
    },

    search_active: function (q) {
      const txt = q.target.value
      switch (this.query.type) {
        case 'hotel': return this.search_hotel(txt);
        case 'restaurant': return this.search_restaurant(txt);
        case 'place': return this.search_place(txt);
        case 'other': return this.search_other(txt);
        case 'flight': return this.search_flight(txt);
      }
    },


    sideScroll: function (element, direction, speed, step) {
      this.leg_nav.scrollDir = direction
      this.leg_nav.scrollInterval = setInterval(() => {
        element.scrollLeft += (direction == 'left') ? -step : step;
      }, speed);
    },

    keyboardEvent(e) {
      if (e.which === 13) {
      }
    },
    nav_mousemove(e) {
      const c = document.querySelector('.scroll-content')
      const newDir =
        e.pageX < c.offsetWidth * 0.2 ? 'left' :
          (e.pageX > c.offsetWidth * 0.8 ? 'right' : this.leg_nav.scrollDir)
      if (!this.leg_nav.scrollInterval || this.leg_nav.scrollDir != newDir) {
        if (this.leg_nav.scrollInterval) clearInterval(this.leg_nav.scrollInterval)
        this.sideScroll(c, newDir, 25, 10);
      }
    },
    nav_mouseleave(e) {
      clearInterval(this.leg_nav.scrollInterval);
      this.leg_nav.scrollInterval = null
    },
  },
  created: function () {
    this.search_hotel = api.throttle(this.search_nominatim("hotel"), 1000)
    this.search_restaurant = api.throttle(this.search_nominatim("restaurant"), 1000)
    this.search_place = api.throttle(this.search_nominatim("place"), 1000)
    this.save_data = api.throttle(() => {
      this.impexp = JSON.stringify(this.journey.data).toEncoded();
      api.save(this.journey.id, this.journey.data);
    }, 1000);
    this.search_flight = api.throttle(this.search_travel("flight"), 2000)

    window.addEventListener("keydown", (e) => {
      switch (e.key) {
        case "ArrowLeft":
          this.journey.day_prev();
          break;
        case "ArrowRight":
          this.journey.day_next();
          break;
        default:
          console.log(e.key);
      }
    });

    api.load(this.journey.id).then((r) => (app.journey.data = migrator(r)));

    // this.search_travel("flight")("qf1").then(r => {
    //   // this.polyline.latlngs = r.map(e => e.path)
    //   this.journey.data.main[this.journey.sel_leg].travel = r;
    // });

  },
  watch: {
    journey: {
      handler: function (ndata, odata) {
        this.save_data();
      },
      deep: true,
    },
  },
});