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

import Entity from "./Entity";
import AttackA from "./Attacks/AttackA";
import AttackB from "./Attacks/AttackB";
import Item from "./Item";
import Chest from "./Chest";

export default class Player extends Entity {

    constructor(scene, spawnPoint, texture) {
        super(scene, spawnPoint.x, spawnPoint.y, texture);
        this.setData("speed", 100);
        this.setData('jump', 1.5)
        this.setData('hp', 10);
        this.setOrigin(0.5, 1).setScale(32 / 48);

        this.body.setSize(48, 48, false);
        this.body.setOffset(4, 16);

        this.body.setCollideWorldBounds(true);
        if (this.scene.anims.exists('idle'))
            this.play('idle');

        this.attackA = new AttackA(this);
        this.attackB = new AttackB(this);
        this.attackHitbox = this.scene.add.group([
            this.attackA,
            this.attackB
        ]);

        this.items = [];

        this.dieAnimation = 'die';
        this.hitAnimation = 'hit';
    }

    interact(item) {

        if (item instanceof Item) {
            if (this.items.length >= 2) {
                this.items.shift().setPosition(this.x, this.y).drop();
            }


            item.interact();

            this.items[this.items.length] = item;
        } else if (item instanceof Chest) {
            item.interact();
        }
    }


    hit(dmg) {
        super.hit(dmg);
        if (this.getData('hp') > this.scene.hearts.length)
            this.setData('hp', this.scene.hearts.length);

        for (let i = this.getData('hp'); i < this.scene.hearts.length; i++) {
            this.scene.hearts[i].alpha = 0;
        }
        for (let i = 0; i < this.getData('hp'); i++) {
            this.scene.hearts[i].alpha = 1;
        }
    }

    update(...args) {
        if (this.pause)
            return;

        this.body.velocity.x = 0;

        // Jumping, Dashing
        if (this.scene.upActive() && this.body.blocked.down) {
            this.body.velocity.y = -this.getData('speed') * this.getData('jump');
        }

        // Walking L R
        if (this.scene.leftActive()) {
            this.body.velocity.x = -this.getData('speed');
            if (!this.flipX)
                this.x -= 16;
            this.setFlipX(true);
            this.body.setOffset(32 - 4, 16);
        } else if (this.scene.rightActive()) {
            this.body.velocity.x = this.getData('speed');
            if (this.flipX)
                this.x += 16;
            this.setFlipX(false);
            this.body.setOffset(4, 16);
        }

        // this.setData('speed', 100);

        // animation
        if (this.anims.getCurrentKey().startsWith('attack_')) {
            // this.setData('speed', 50);
        } else if (this.scene.keySpace.isDown) {
            // const nextAttack = [this.attackA].sort(() => 0.5 - Math.random())[0];
            // nextAttack.start();
            if (this.scene.upActive())
                this.attackA.start();
            else
                this.attackB.start();
        } else if (this.body.blocked.down) {
            if (this.body.velocity.x !== 0) {
                this.play('run', true);
            } else {
                this.play('idle', true);
            }
        } else if (this.anims.getCurrentKey() !== 'jump_start' && this.anims.getCurrentKey() !== 'jump') {
            // this.play('jump', true)
            this.play('jump_start', true).on('animationcomplete', () => this.play('jump', true));
        }

        this.attackHitbox.getChildren().forEach(c => {
            c.update()
        });


        if (this.items.length >= 1)
            this.items[0].setPosition(this.body.x, this.body.y - 16);


        if (this.items.length >= 2)
            this.items[1].setPosition(this.body.x + 32, this.body.y - 16);

        if (this.scene.keyAction1.isDown && this.items.length >= 1) {
            this.items.shift().use(this);
            this.scene.keyAction1.reset();
        }

        if (this.scene.keyAction2.isDown && this.items.length >= 2) {
            this.items.pop().use(this);
            this.scene.keyAction2.reset();
        }
    }

    die() {
        this.anims.stop();
        this.pause = true;
        this.play(this.dieAnimation)
            .once('animationcomplete', () => {
                this.setFrame(51);
                this.scene.scene.pause();
                this.scene.music.pause();
                this.scene.scene.launch('GUI', {key: 'Dead'}).bringToTop('GUI');
            })
    }
}