//Klasy
class Agent{
    constructor(positionX, positionY, turn){
        this.positionX = positionX;
        this.positionY = positionY;
        this.turn = turn;
    }

    getParams(){
        let params = {};

        positionX = this.positionX;
        positionY = this.positionY;
        turn = this.turn;

        params = {positionX, positionY, turn};

        return params;
    }

    goForward(){
        if(this.turn == 'Up'){
            this.positionY += 1;
        }
        else if(this.turn == 'Down'){
            this.positionY -= 1;
        }
        else if(this.turn == 'Left'){
            this.positionX -= 1;
        }
        else if(this.turn == 'Right'){
            this.positionX += 1;
        }
    }

    turnLeft(){
        if(this.turn == 'Up'){
            this.turn = 'Left';
        }
        else if(this.turn == 'Down'){
            this.turn = 'Right';
        }
        else if(this.turn == 'Left'){
            this.turn = 'Down';
        }
        else if(this.turn == 'Right'){
            this.turn = 'Up'
        }
    }

    turnRight(){
        if(this.turn == 'Up'){
            this.turn = 'Right';
        }
        else if(this.turn == 'Down'){
            this.turn = 'Left';
        }
        else if(this.turn == 'Left'){
            this.turn = 'Up';
        }
        else if(this.turn == 'Right'){
            this.turn = 'Down'
        }
    }

    showAgent(){
        console.log(this.turn)
        if(this.turn === "Up"){
            document.getElementById(this.positionX + "-" + this.positionY).style.backgroundImage = "url('img/Up.png')";
        }
        else if(this.turn === "Down"){
            document.getElementById(this.positionX + "-" + this.positionY).style.backgroundImage = "url('img/Down.png')";
        }
        else if(this.turn === "Right"){
            document.getElementById(this.positionX + "-" + this.positionY).style.backgroundImage = "url('img/Right.png')";
        }
        else if(this.turn === "Left"){
            document.getElementById(this.positionX + "-" + this.positionY).style.backgroundImage = "url('img/Left.png')";
        }
        
    }

    hideAgent(){
        document.getElementById(this.positionX + "-" + this.positionY).style.backgroundImage = "";
    }


}

class Field{
    constructor(x, y, isShelf, isOccupiedByAgent, costOfTravel){
        this.xField = x;
        this.yField = y;
        this.isShelf = isShelf;
        this.isOccupiedByAgent = isOccupiedByAgent;
        this.costOfTravel = costOfTravel;
    }

    getParams(){
        let params = {};

        xField = this.xField;
        yField = this.yField;
        isShelf = this.isShelf;
        isOccupiedByAgent = this.isOccupiedByAgent;
        costOfTravel = this.costOfTravel;
        params = {xField, yField, isShelf, isOccupiedByAgent, costOfTravel}

        return params;
    }
}

//funckcje

function createBoard(rangeX, rangeY){
    const board = [];

    for(let y = 0; y < rangeY; y++){
        const row = [];
        for(let x = 0; x < rangeX; x++){
            let field = new Field(x, y, false, false, 1);
            row.push(field)
        }
        board.push(row)
    }
    return board
}

function showBoard(board){
    for(let y = board.length - 1; y >= 0 ; y--){
        document.getElementById("board").innerHTML += "<div class='row' id='row-" + y + "'> </div>";

        for(let x = 0; x < board[y].length; x++){
            document.getElementById("row-" + y).innerHTML += "<div class='field' id=" + x + "-" + y + "> </div>"
        }
    }
}

let board = createBoard(10,10);
let agent = new Agent(0,0, 'Right');

function start(){
	showBoard(board);
	agent.showAgent();
}