RonaldoSetzer/GAME-Minesweeper

import { Texts } from "../../utils/Texts";
import { GridData } from "../models/GridData";
import { Cell } from "./../models/Cell";
import { CustomLevelModel } from "./../models/CustomLevelModel";
import { LevelModel } from "./../models/LevelModel";
import { GridUtils } from "./GridUtils";

export class LevelUtils {
    public static generateBeginnerLevel(level: LevelModel): void {
        level.levelId = Texts.EASY;
        level.numMines = 10;
        level.numFlags = 10;
        level.setGrid(new GridData(9, 9));
        this.generateMines(level, level.numMines);
    }
    public static generateNormalLevel(level: LevelModel): void {
        level.levelId = Texts.NORMAL;
        level.numMines = 15;
        level.numFlags = 15;
        level.setGrid(new GridData(12, 12));
        this.generateMines(level, level.numMines);
    }
    public static generateHardLevel(level: LevelModel): void {
        level.levelId = Texts.HARD;
        level.numMines = 18;
        level.numFlags = 18;
        level.setGrid(new GridData(13, 16));
        this.generateMines(level, level.numMines);
    }
    public static generateCustomLevel(level: LevelModel, customLevel: CustomLevelModel): void {
        level.levelId = Texts.CUSTOM;
        level.numMines = customLevel.numMines;
        level.numFlags = customLevel.numMines;
        level.setGrid(new GridData(customLevel.maxCols, customLevel.maxRows));
        this.generateMines(level, level.numMines);
    }
    public static generateMines(level: LevelModel, numMines: number): void {
        while (level.numMines !== level.mines.length) {
            const rndCol: number = Math.floor(Math.random() * level.grid.maxCols);
            const rndRow: number = Math.floor(Math.random() * level.grid.maxRows);
            const cell: Cell = level.grid.getCell(rndCol, rndRow);
            if (!cell.isMine()) {
                this.setMine(level, cell);
            }
        }
    }
    public static setMine(level: LevelModel, cell: Cell) {
        cell.setCellAsAMine();
        level.mines.push(cell);
        level.grid.setCell(cell);

        const neighbors: Cell[] = GridUtils.getNeighbors(level.grid, cell);
        for (let i = 0; i < neighbors.length; i++) {
            neighbors[i].increaseValue();
        }
    }
}