import {Trait} from '@avocado/entity';

import {Sound} from '..';

export class Audible extends Trait {

  static defaultParams() {
    return {
      sounds: {},
    };
  }

  hydrate() {
    this.loadSounds();
  }

  initialize() {
    this._sounds = this.params.sounds;
    this.sounds = {};
  }

  destroy() {
    for (const key in this.sounds) {
      const sound = this.sounds[key];
      sound.release();
    }
  }

  loadSounds() {
    const keys = Object.keys(this._sounds);
    const soundPromises = [];
    for (let i = 0; i < keys.length; i++) {
      const key = keys[i];
      const soundJSON = this._sounds[key];
      soundPromises.push(Sound.load(soundJSON.uri));
    }
    const soundsPromise = Promise.all(soundPromises);
    soundsPromise.then((sounds) => {
      for (let i = 0; i < sounds.length; i++) {
        const key = keys[i];
        const sound = sounds[i];
        this.sounds[key] = sound;
      }
    });
  }

  methods() {
    return {

      hasSound: (key) => {
        return !!this.sounds[key];
      },

      playSound: (key) => {
        const sound = this.sounds[key];
        if (!sound) {
          return;
        }
        sound.play();
      },

    };
  }

}