// import "./tile.js";

class Hand {
    constructor(option = {}) {
        this.tiles = option.tiles || [];
        this.draw = null;
        this.sort();
    }

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

    flatten() {
        if (this.draw) {
            this.tiles.push(this.draw);
            this.draw = null;
        }
    }
}

class Wall {
    constructor() {
        this.tiles = Tile.generateAll();
        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]];
        }
    }

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

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

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

class Game {
    constructor() {
        this.wall = new Wall();
        this.hands = Array.from({ length: 4 }, () => this.wall.drawHand());
        this.discards = Array.from({ length: 4 }, () => new Discard());
        this.turn = 0;
    }
}