sudoku/src/models/StorageManager.ts

import { config } from "../constants/config"
import { DOStage } from "../types/DOStage"


export class StorageManager {

  private static instance: StorageManager
  public static getInstance(): StorageManager {
    if (!StorageManager.instance) {
      StorageManager.instance = new StorageManager()
    }
    return StorageManager.instance
  }


  public static createDataBlock(index: number, show: number, score: number=0, notes: Array<number>=new Array()): any {//格子
    var dataBlock = {
        index: index,
        show: show,
        score: score,
        notes: notes,
    }
    return dataBlock
  }

  public static createDataCandy(left: number): any {//可选数字
    var dataCandy = {
        left: left,
    }
    return dataCandy
  }

  public static createDataStage(mistake: number, difficulty: number, duration: number=0, blocks: Array<any>=new Array(), candys: Array<any>=new Array()): any {//关卡数据
    var dataStage = {
        mistake: mistake,
        difficulty: difficulty,
        duration: duration,
        note_open: false,
        blocks: blocks,
        candys: candys,
    }
    return dataStage
  }


  private changed = false

  private stageID: string = "";
  private stageMap: Map<string, any> = new Map();

  public init(): void {
    this.changed = false
  }

  public loadStage(stageID: string): DOStage {
    this.stageID = stageID
    var dataStage
    if (this.stageMap.has(stageID)) {
        dataStage = this.stageMap.get(stageID)
    }
    else {
        var jsonStr = Laya.LocalStorage.getItem(stageID)
        if (jsonStr) {
            dataStage = JSON.parse(jsonStr)
            this.stageMap.set(stageID, dataStage)
        }
        else {
            dataStage = StorageManager.createDataStage(0, config.DIFFICULTY_TYPE.Easy)
            this.stageMap.set(stageID, dataStage)
        }
    }
    var levelStr = "aBCeIGFhdEDFcAHBGIhigBdfecAgHDiFBCaeBEAGHCIdffcIdEAHbgcABfGEdiHIFHaCDGEBDGEHbiaFC"
    return new DOStage(dataStage, levelStr)
  }

  public saveStage(): void {
    if (this.changed) {
      this.changed = false
      if (this.stageMap.has(this.stageID)) {
          var dataStage = this.stageMap.get(this.stageID)
          var jsonStr = JSON.stringify(dataStage)
          Laya.LocalStorage.setItem(this.stageID, jsonStr)
      }
    }
  }

  public onChanged(): void {
    this.changed = true
  }
}