import "./tile";

class Hand {
    constructor(tiles = []) {
        this.tiles = tiles;
        this.drawn= null;
    }

    drawTile(tile) {
        this.drawn = tile;
    }

    discard(k) {
        if (k = this.tiles.length) {
            tile = this.drawn;
            return tile;
        } else {
            tile = this.tiles[k];
            this.tiles.splice(k, 1);
            return tile;
        }
    }

    sort() {
        this.tiles.sort((a, b) => {
            if (a.lessThan(b)) return -1;
            if (b.lessThan(a)) return 1;
            return 0;
        });
    }

    flatten() {
        this.tiles.push(this.drawn);
        this.drawn = null;
        this.sort();
    }
}

class Draw {
    constructor() {
        this.tiles = Tile.generateAll();
        this.shuffle();
    }

    shuffle() {
        for (let i = this.tiles.length - 1; i > 0; i--) {
            const j = Math.floor(Math.random() * (i + 1));
            [this.tiles[i], this.tiles[j]] = [this.tiles[j], this.tiles[i]];
        }
    }

    drawTile() {
        return this.tiles.pop();
    }

    drawHand() {
        const handTiles = [];
        for (let i = 0; i < 13; i++) {
            handTiles.push(this.drawTile());
        }
        return new Hand(handTiles);
    }
}

class Discard {
    constructor() {
        this.tiles = [];
        this.hiddenTiles = [];
    }

    add(tile) {
        this.tiles.push(tile);
    }

    beeingStollen() {
        this.hiddenTiles.push(this.tiles.pop());
    }

    isIn(tile) {
        return this.tiles.some(t => t.equals(tile)) || this.hiddenTiles.some(t => t.equals(tile));
    }
}

class Game {
    constructor() {
        this.discards = [new Discard(), new Discard(), new Discard(), new Discard()];
        this.draw = new Draw();
        this.hands = [
            new Hand(this.draw.drawHand()),
            new Hand(this.draw.drawHand()),
            new Hand(this.draw.drawHand()),
            new Hand(this.draw.drawHand())
        ];
        this.firstDealer = Math.floor(Math.random() * 4);
        this.turn = this.firstDealer;
        this.repeat = 0;
    }

    newDeal(hasRepeat = false) {
        this.discards = [new Discard(), new Discard(), new Discard(), new Discard()];
        this.draw = new Draw();
        this.hands = [
            new Hand(this.draw.drawHand()),
            new Hand(this.draw.drawHand()),
            new Hand(this.draw.drawHand()),
            new Hand(this.draw.drawHand())
        ];
        if (!hasRepeat) {
            this.turn = (this.firstDealer + 1) % 4;
        } else {
            this.repeat++;
        }
    }
}