/*
 * Copyright (c) 2020. Antonio Martinez Casadesus and Pascal Syma.
 * All rights reserved.
 */

export default class Entity extends Phaser.GameObjects.Sprite {

    constructor(scene, x, y, key) {
        super(scene, x, y, key);
        this.setData('hp', 1);
        this.setData('dmg', 0);
        this.scene = scene;
        this.scene.add.existing(this);
        this.scene.physics.world.enableBody(this, 0);
        this.hitAnimation = null;
        this.dieAnimation = null;
    }

    hit(dmg) {
        if (dmg === 0)
            return;

        if (this.hitCooldown)
            return;

        this.hitCooldown = true;

        const newHp = this.getData('hp') - dmg;
        this.setData('hp', newHp < 0 ? 0 : newHp);

        // play hit animation
        const shouldDie = this.getData('hp') <= 0;
        if (shouldDie) {
            this.body.velocity.x = 0;
            this.setData('active', false);
            this.die();
        } else {
            setTimeout(() => this.hitCooldown = false, 1000);
        }
    }

    die() {
        if (this.dieAnimation !== null && this.active) {
            this.setData('active', false);
            this.play(this.dieAnimation)
                .once('animationcomplete', () => this.destroy());
        } else
            this.destroy();
    }

    update(...args) {
        super.update(...args);
    }
}