<template>
  <div id="photoprism">
    <p-loading-bar height="4"></p-loading-bar>

    <p-notify></p-notify>

    <v-app :class="$route.meta.background">
      <p-navigation></p-navigation>

      <v-content>
        <router-view></router-view>
      </v-content>
    </v-app>

    <p-photo-viewer></p-photo-viewer>
    <p-video-dialog></p-video-dialog>
  </div>
</template>

<script>
import "./css/app.css";
import Event from "pubsub-js";

export default {
  name: 'Photoprism',
  data() {
    return {
      touchStart: 0,
    };
  },
  computed: {},
  created() {
    window.addEventListener('touchstart', (e) => this.onTouchStart(e), {passive: true});
    window.addEventListener('touchmove', (e) => this.onTouchMove(e), {passive: true});
    this.$config.setVuetify(this.$vuetify);
  },
  destroyed() {
    window.removeEventListener('touchstart', (e) => this.onTouchStart(e), false);
    window.removeEventListener('touchmove', (e) => this.onTouchMove(e), false);
  },
  methods: {
    onTouchStart(e) {
      this.touchStart = e.touches[0].pageY;
    },
    onTouchMove(e) {
      if (!this.touchStart) return;
      if (document.querySelector('.v-dialog--active') !== null) return;

      const y = e.touches[0].pageY;
      const h = window.document.documentElement.scrollHeight - window.document.documentElement.clientHeight;

      if (window.scrollY >= h - 200 && y < this.touchStart) {
        Event.publish("touchmove.bottom");
        this.touchStart = 0;
      } else if (window.scrollY === 0 && y > this.touchStart + 200) {
        Event.publish("touchmove.top");
        this.touchStart = 0;
      }
    },
  },
};
</script>
