class GameMap {
    constructor(tiles, spawn) {
        this.width = tiles.length;
        this.height = tiles[0].length;
        this.tiles = tiles;
        this.spawn = spawn;

        this.init();
    }

    init() {
        this.tiles.forEach(row => {
            row.forEach(tile => {
                if(tile.solid) {
                    tile.lookAtNeighbours(this.getSurroundingTiles(tile.x, tile.y));
                }
            });
        });
    }

    draw(ctx, conf) {
        this.tiles.forEach(col => {
            col.forEach(tile => {
                tile.draw(ctx, conf);
            });
        });
    }

    getTile(x, y) {
        try {
            return this.tiles[x][y];
        } catch (e) {
            return null;
        }
    }

    getSurroundingTiles(x, y) {
        const left = this.getTile(x - 1, y);
        const right = this.getTile(x + 1, y);
        const top = this.getTile(x, y - 1);
        const bottom = this.getTile(x, y + 1);

        return {
            left, top, right, bottom
        };
    }
}