import { position } from "./position.js";

class coordinates extends position {
    #rotate;
    #head_rotate;

    constructor() {
        super();
        
        this.#rotate = 0;
        this.#head_rotate = 0;
    }

    get rotate() {
        this.#check_rotate();
        
        return this.#rotate;
    }

    set rotate(target) {
        if (typeof(target) !== "number") {
            throw new TypeError("Coordinate must be number.");
        }

        this.#rotate = target;
        this.#check_rotate();
    }

    #check_rotate() {
        while (this.#rotate < 0) {
            this.#rotate += 360;
        }

        this.#rotate = this.#rotate % 360;
    }

    set head_rotate(target) {
        if (typeof(target) !== "number") {
            throw new TypeError("Coordinate must be number.");
        }

        this.#head_rotate = target % 90;
        this.#check_head_rotate();
    }   

    #check_head_rotate() {
        if (this.#head_rotate > 90) this.#head_rotate = 90;
        if (this.#head_rotate < -90) this.#head_rotate = -90;
    }

    get head_rotate() {
        this.#check_head_rotate();

        return this.#head_rotate;
    }

    #radians(change = 0) {
        return (this.rotate + change) * Math.PI / 180;
    }

    move_front(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Steps must be number.");
        }
    
        this.y -= Math.cos(this.#radians()) * target;
        this.x -= Math.sin(this.#radians()) * target;
    }

    move_back(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Steps must be number.");
        }

        this.move_front(-target);
    }

    move_left(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Steps must be number.");
        }
        
        this.y += Math.cos(this.#radians(-90)) * target;
        this.x += Math.sin(this.#radians(-90)) * target;
    }

    move_right(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Steps must be number.");
        }

        this.move_left(-target);
    }

    rotate_clockwise(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Degrees must be number.");
        }

        this.#rotate -= target;
    }

    rotate_counterclockwise(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Degrees must be number.");
        }

        this.#rotate += target;
    }

    rotate_top(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Degrees must be number.");
        }

        this.#head_rotate += target;
    }

    rotate_bottom(target = 1) {
        if (typeof(target) !== "number") {
            throw new TypeError("Degrees must be number.");
        }

        this.#head_rotate -= target;
    }

    get as_string() {
        let dump = "";
        dump += "X: " + this.x + "\n";
        dump += "Y: " + this.y + "\n";
        dump += "Z: " + this.z + "\n";
        dump += "ROTATE: " + this.rotate;
        dump += "HEAD ROTATE: " + this.head_rotate;

        return dump;
    }
}

export { coordinates };