class Board {
    constructor(stage) {
        this.stage = stage;
        this.grid = {
            A:{1:[],2:[],3:[],4:[],5:[]}, //Plateau de jeu
            B:{1:[],2:[],3:[],4:[],5:[],6:[]},
            C:{1:[],2:[],3:[],4:[],5:[],6:[],7:[]},
            D:{1:[],2:[],3:[],4:[],5:[],6:[],7:[],8:[]},
            E:{1:[],2:[],3:[],4:[],5:[],6:[],7:[],8:[],9:[]},
            F:{2:[],3:[],4:[],5:[],6:[],7:[],8:[],9:[]},
            G:{3:[],4:[],5:[],6:[],7:[],8:[],9:[]},
            H:{4:[],5:[],6:[],7:[],8:[],9:[]},
            I:{5:[],6:[],7:[],8:[],9:[]}
        };

        this.colors = settings.colors.board;
        this.colors_hole = settings.colors.hole;
        this.colors_p0 = settings.colors.piece_0;
        this.colors_p1 = settings.colors.piece_1;

        this.layer = this.stage.find('#board');
        this.layer_pieces = this.stage.find('#pieces');

        this.x = this.stage.width() / 2;
        this.y = this.stage.height() / 2;
        this.radius = this.stage.height() / 2;

        this.draw();
        this.draw_slots();
    }

    draw() {
        console.log('Board draw');
        var hexagon = new Kinetic.RegularPolygon({
            sides : 6,
            radius : this.radius,
            stroke : this.colors.stroke,
            strokeWidth : 5,
            fill : this.colors.bg,
            x : this.x,
            y : this.y
        })
        hexagon.rotate(Math.PI/6)

        this.layer.add(hexagon)
        return hexagon
    }

    draw_slots() {
        var grid = this.grid;
        var colors = this.colors_hole
        var x = this.x;
        var y = this.y;
        var radius = this.radius;
        var radius_slot = radius / 10 - radius / 50;
        var hor = ["A","B","C","D","E","F","G","H","I"];
        var dia = ["1","2","3","4","5","6","7","8","9"];
        var h = 4;
        var d = 4;
        var rad = -1;
        var off = -1;
        var offx = -1;
        var radx = -1;
        var slot = false;

        // center circle
        slot = new Slot(x, y, radius_slot, 0, 0,
            { x: hor[h], y: dia[d] });

        grid[hor[h]][dia[d]].push(slot);
        // we turn around the center, each "i"
        // is a sixth of PI/2
        for (var i = 0; i < 6; i++) {
            rad = i * Math.PI / 3;

            // center coordinates
            h = 4
            d = 4

            for (var j = 0; j < 4; j++) {
                off = (j + 1) * 
                    (2 * radius_slot + (radius / 20));
                switch (i) {
                    case 1: case 2:
                        h--;
                        break;
                    case 4: case 5:
                        h++;
                        break;
                }
                switch (i) {
                    case 0:  case 1:
                        d--;
                        break;
                    case 3: case 4:
                        d++;
                        break;
                }

                slot = new Slot(x, y, radius_slot, rad, off,
                    { x: hor[h], y: dia[d] });

                grid[hor[h]][dia[d]].push(slot);

                var h_ = h
                var d_ = d
                for (var k = 0; k < j; k++) {

                    offx = Math.sqrt(Math.pow(j, 2) + j + 1);
                    radx = Math.atan(Math.sqrt(3) / (j * 2 + 1));
                    if (k >= (j / 2)) {
                        radx = Math.PI/3 - radx;
                    }
                    else if (k == 1 && j == 3) {
                        offx = 2 * Math.sqrt(3);
                        radx = Math.atan(Math.sqrt(3) / 3);
                    }

                    radx += (i * Math.PI / 3);

                    switch (i) {
                        case 2:
                        case 3:
                            h_++;
                            break;
                        case 0:
                        case 5:
                            h_--;
                            break;
                    }
                    switch (i) {
                        case 1: case 2:
                            d_++;
                            break;
                        case 4: case 5:
                            d_--;
                            break;
                    }

                    slot = new Slot(x, y, radius_slot, radx,
                        offx * off / (j + 1),
                        { x: hor[h_], y: dia[d_] });

                    grid[hor[h_]][dia[d_]].push(slot);
                }
            }
        }

        for (let g in grid) {
            for (let row in grid[g]) {
                this.layer.add(grid[g][row][0].draw());
            }
        }
    }

    draw_pieces(pieces) {
        let grid = this.grid;
        let coord = false;
        let slot = false;
        for (let i in pieces) {
            coord = pieces[i].coord;
            grid[coord.x][coord.y][0].element.setZIndex(1);
            grid[coord.x][coord.y][0].element.draw();
            grid[coord.x][coord.y].push(pieces[i]);
            grid[coord.x][coord.y][1].draw();
            this.layer_pieces.add(grid[coord.x][coord.y][1].element);
            grid[coord.x][coord.y][1].element.setZIndex(10);
            grid[coord.x][coord.y][1].element.draw();

        }
    }

    get_coord(coord) {
        if (this.grid.hasOwnProperty(coord.x) ==
            false) {
            console.log('Undefined line :' + coord.x);
            return false;
        }
        if (this.grid[coord.x].hasOwnProperty(coord.y) ==
            false) {
            console.log('Undefined column of line ' + coord.x + ' :' + coord.y);
            return false;
        }
        if (!(this.grid[coord.x][coord.y] instanceof Array)) {
            console.log(this.grid[coord.x][coord.y]);
            console.log('is not array');
            return false;
        }

        return this.grid[coord.x][coord.y];
    }
    pop_coord(coord) {
        if (this.get_coord(coord) !== false) {
            return this.get_coord(coord).pop();
        }
        return false;
    }
    push_coord(coord, slot) {
        if (this.get_coord(coord) !== false) {
            return this.get_coord(coord).push(slot);
        }
        return false;
    }

    get_slot(coord) {
        if (this.get_coord(coord) !== false) {
            return this.get_coord(coord)[0];
        }
        return false;
    }
}