import * as THREE from 'three'
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js'

const global = (0,eval)("this")
const scene = new THREE.Scene()
const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000)
const renderer = new THREE.WebGLRenderer()
const entities = {}
renderer.setSize(window.innerWidth, window.innerHeight)
renderer.setAnimationLoop(animate)
document.body.appendChild(renderer.domElement)

const geometry = new THREE.BoxGeometry(1000, 1000)
const material = new THREE.MeshBasicMaterial({ color: 0x115011 })
const ground = new THREE.Mesh(geometry, material)
scene.add(ground)

// const loader = new GLTFLoader();
// loader.load('player.gltf', (gltf) => scene.add(gltf.scene), undefined, (err) => console.log(err))

global.camera = camera
global.scene = scene
camera.position.set(0, -250, 500)
camera.lookAt(0, 0, 0)

function animate() {
	renderer.render(scene, camera)
}

var websocket = null
var timerId = null

function connectWebSocket() {
  websocket = new WebSocket('ws://127.0.0.1:1280/ws')
  global.websocket = websocket
  websocket.onerror = () => websocket.close()
  websocket.onopen = () => {
    document.getElementById('connection').innerHTML = 'open'
    clearInterval(timerId)
  }
  websocket.onclose = () => {
    websocket = null
    document.getElementById('connection').innerHTML = 'closed'
    timerId = setInterval(() => {
      if (websocket == null) {
        connectWebSocket()
      }
    }, 2000)
  }

  websocket.onmessage = (event) => {
    let state = JSON.parse(event.data)
    for (const e of state.entities) {
      let entity
      if (e.id in entities) {
        entity = entities[e.id]
      }
      else {
        entity = new THREE.Mesh(new THREE.SphereGeometry(e.radius), new THREE.MeshBasicMaterial({ color: 0xffffff, wireframe: true }))
        scene.add(entity)
        entities[e.id] = entity
      }

      entity.position.set(e.pos.x, e.pos.y, e.radius)
    }

    document.getElementById('state').innerHTML = JSON.stringify(state, null, 2)
  }
}

window.addEventListener('load', () => {
  connectWebSocket()
})