import camerasManager from './camerasManager';

const spectateInformation = {
  entity: null,
  polarAngleDeg: 0,
  azimuthAngleDeg: 90,
  radius: -3.5,
  active: false,
  startActive: false,
  entityPosition: new mp.Vector3()
};
const localPlayer = mp.players.local;

const cam = camerasManager.getCamera('spectateCamera');

mp.events.add('render', () => {
  if (!spectateInformation.active || spectateInformation.entity && (!mp.players.exists(spectateInformation.entity) || !mp.objects.exists(spectateInformation.entity))) {
    return false;
  }

  const coords = spectateInformation.entity.position;

  if (coords.x === 0 || coords.y === 0 || coords.z === 0) {
    return false;
  }

  const xMagnitude = mp.game.controls.getDisabledControlNormal(0, 1);
  const yMagnitude = mp.game.controls.getDisabledControlNormal(0, 2);

  spectateInformation.polarAngleDeg = spectateInformation.polarAngleDeg + xMagnitude * 10;

  if (spectateInformation.polarAngleDeg >= 360) {
    spectateInformation.polarAngleDeg = 0;
  }

  if (spectateInformation.polarAngleDeg < 0) {
    spectateInformation.polarAngleDeg = 360;
  }

  spectateInformation.azimuthAngleDeg = spectateInformation.azimuthAngleDeg - yMagnitude * 10;

  if (spectateInformation.azimuthAngleDeg >= 160) {
    spectateInformation.azimuthAngleDeg = 160;
  }

  if (spectateInformation.azimuthAngleDeg < 2) {
    spectateInformation.azimuthAngleDeg = 2;
  }

  const polarAngleRad = spectateInformation.polarAngleDeg * Math.PI / 180.0;
  const azimuthAngleRad = spectateInformation.azimuthAngleDeg * Math.PI / 180.0;

  const nextCamLocation = new mp.Vector3(
    coords.x + spectateInformation.radius * (Math.sin(azimuthAngleRad) * Math.cos(polarAngleRad)),
    coords.y - spectateInformation.radius * (Math.sin(azimuthAngleRad) * Math.sin(polarAngleRad)),
    coords.z - spectateInformation.radius * Math.cos(azimuthAngleRad)
  );

  const result = mp.raycasting.testPointToPoint(coords, nextCamLocation, spectateInformation.entity, null);

  if (typeof result !== 'undefined') {
      cam.setCoord(result.position.x + result.surfaceNormal.x * 0.2, result.position.y + result.surfaceNormal.y * 0.2, result.position.z + result.surfaceNormal.z * 0.2);
    } else {
      cam.setCoord(nextCamLocation.x, nextCamLocation.y, nextCamLocation.z);
    }

    cam.pointAt(spectateInformation.entity.handle, 0, 0, 0, true);
});