static/index.html

<!--
Copyright 2022 Google LLC

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
  href="https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&display=swap"
  rel="stylesheet"
/>

<style>
  body {
    margin: 0;
    background: var(--background);
    font-family: "Montserrat", sans-serif;
  }

  main {
    display: flex;
    flex-direction: row;
    width: 100vw;
    height: 100vh;
  }

  #map {
    width: var(--map-size);
  }

  #info {
    width: 400px;
    background: var(--sidebar-color);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  }

  :root {
    --map-size: calc(100vw - 400px);
    --background: #cbd5e1;
    --grid-line-color: #fbbf24;
    --grid-background-color: #f8fafc;
    --sidebar-color: #ea8ca8;
    --selection-color: #f0abfc;
  }
</style>
<main>
  <pika-map id="map"></pika-map>
  <pika-device-info id="info"></pika-device-info>
</main>

<script type="importmap">
  {
    "imports": {
      "lit": "https://cdn.jsdelivr.net/gh/lit/dist@2/core/lit-core.min.js"
    }
  }
</script>

<script type="module">
  import { LitElement, html } from "lit";

  import "./src/components/Map.js";
  import "./src/components/DeviceInfo.js";

  const map = document.getElementById("map");
  const info = document.getElementById("info");

  map.addEventListener(
    "select",
    (event) => (info.device = event.detail.device)
  );

  map.addEventListener("move", () => info.update());

  function set_position({
    mac_address,
    position: { x, y, z },
    yaw,
    pitch,
    roll,
  }) {
    const path = "/set-position/" + mac_address;
    fetch(path, {
      method: "POST",
      headers: {
        "content-type": "application/json",
      },
      body: JSON.stringify({
        x,
        y,
        z,
        yaw,
        pitch,
        roll,
      }),
    });
  }

  map.addEventListener("end-move", (event) => {
    set_position(event.detail.device);
  });

  info.addEventListener("orientation-change", () => {
    console.log("Orientation change");
    set_position(info.device);
  });

  const events = new EventSource("/events");

  events.addEventListener("device-added", (event) => {
    const data = JSON.parse(event.data);
    console.log("Device Added", data);

    const {
      mac_address, x, y, z, yaw, pitch, roll,
    } = data;
    map.devices = [
      ...map.devices,
      {
        mac_address,
        position: { x, y, z },
        yaw,
        pitch,
        roll,
        neighbors: [],
      },
    ];
  });

  events.addEventListener("device-removed", (event) => {
    const data = JSON.parse(event.data);
    console.log("Device Removed", data);

    const {
      mac_address,
    } = data;
    if (info.device?.mac_address === mac_address) {
      info.device = null;
    }

    map.devices = map.devices.filter(
      (device) => device.mac_address !== mac_address
    );

    map.devices.forEach((device) => {
      device.neighbors = device.neighbors.filter(
        (neighbor) => neighbor.mac_address !== mac_address
      );
    });
  });

  events.addEventListener("position-updated", (event) => {
    const data = JSON.parse(event.data);
    console.log("Position updated", data);

    const {
      mac_address, x, y, z, yaw, pitch, roll,
    } = data;

    const device = map.devices.find(
      (device) => device.mac_address === mac_address
    );

    device.position = { x, y, z };
    device.yaw = yaw;
    device.pitch = pitch;
    device.roll = roll;

    map.update();
    info.update();
  });

  events.addEventListener("neighbor-updated", (event) => {
    const data = JSON.parse(event.data);
    console.log("Neighbor updated", data);

    const {
      source_mac_address,
      destination_mac_address,
      distance,
      azimuth,
      elevation,
    } = data;

    const device = map.devices.find(
      (device) => device.mac_address === source_mac_address
    );

    const neighbor = device.neighbors.find(
      (device) => device.mac_address == destination_mac_address
    ) || { mac_address: destination_mac_address };

    neighbor.distance = distance;
    neighbor.azimuth = azimuth;
    neighbor.elevation = elevation;

    if (!device.neighbors.includes(neighbor)) device.neighbors.push(neighbor);

    info.update();
  });
</script>