class Player extends MovingObject {
    constructor(game, x, y) {
        super(game, x, y);
        this.speed = 3;

        this.score = 0;

        this.mouthAngle = 90; // = 90°
        this.mouthDecreasing = true;
    }

    draw(ctx, conf) {
        const radius = conf.tileSize * 0.5;
        const cx = this.x * conf.tileSize;
        const cy = this.y * conf.tileSize;
        const mouthAngle = this.mouthAngle / 180 * Math.PI;

        ctx.fillStyle = '#ff0';

        ctx.save();
        ctx.translate(cx, cy);
        ctx.rotate(this.getRotateDir());

        ctx.beginPath();

        ctx.moveTo(0, 0);
        ctx.arc(0, 0, radius, mouthAngle / 2, 2 * Math.PI - mouthAngle / 2, false);
        ctx.lineTo(0, 0);

        ctx.fill();

        ctx.restore();
    }

    update(deltaTime) {
        super.update(deltaTime);

        this.checkForCollisions();

        // Collect coins
        const currentTile = this.getNextTile(0, 0);

        if(currentTile.tile.coin) {
            if(currentTile.distanceX <= 0.5 || currentTile.distanceY <= 0.5) {
                currentTile.tile.coin = false;
                this.score += 10;
            }
        }

        if(this.mouthDecreasing) {
            this.mouthAngle -= this.speed * 4;
            if(this.mouthAngle <= 0) {
                this.mouthAngle = 0;
                this.mouthDecreasing = false;
            }
        } else {
            this.mouthAngle += this.speed * 4;
            if(this.mouthAngle >= 90) {
                this.mouthAngle = 90;
                this.mouthDecreasing = true;
            }
        }
    }

    checkForCollisions() {
        this.game.gameObjects.forEach(object => {
            if(object === this) {
                return;
            }

            if(Math.abs(object.x - this.x) < 1 && Math.abs(object.y - this.y) < 1) {
                if(object instanceof Ghost) {
                    this.gameOver();
                }
            }
        });
    }

    getRotateDir() {
        if(this.dir.x === -1) {
            return Math.PI;
        }
        if(this.dir.y === 1) {
            return Math.PI / 2;
        }
        if(this.dir.y === -1) {
            return 3 / 2 * Math.PI;
        }

        return 0;
    }

    gameOver() {
        this.game.gameOver = true;
    }
}