import { Injectable, Inject } from '@angular/core';
import { SharedPreferences } from 'sunbird-sdk';
import { PreferenceKey, StoreRating } from '../app/app.constant';
import { File } from '@ionic-native/file/ngx';

@Injectable()
export class AppRatingService {

  constructor(
    @Inject('SHARED_PREFERENCES') private preference: SharedPreferences,
    private fileCtrl: File
  ) { }

  checkInitialDate() {
    this.preference.getString(PreferenceKey.APP_RATING_DATE).toPromise().then(res => {
      if (!res) {
        this.setInitialDate();
      }
    });
  }

  private setInitialDate() {
    const presentDate = window.dayjs().format();
    this.preference.putString(PreferenceKey.APP_RATING_DATE, String(presentDate)).toPromise().then();
  }

  setEndStoreRate(rate) {
    this.createFolder(rate);
  }

  private createFolder(rate) {
    this.fileCtrl.createDir(cordova.file.dataDirectory, StoreRating.FOLDER_NAME, true)
      .then(() => {
        this.writeFile(rate);
      });
  }

  private writeFile(rate) {
    this.fileCtrl.writeFile(cordova.file.dataDirectory + '/' + StoreRating.FOLDER_NAME,
      StoreRating.FILE_NAME, StoreRating.FILE_TEXT + ' = ' + rate, { replace: true }).then(() => { });
  }

  async rateLaterClickedCount() {
    return await this.checkRateLaterCount();
  }

  private async checkRateLaterCount() {
    return this.preference.getString(PreferenceKey.APP_RATE_LATER_CLICKED).toPromise().then(async (val) => {
      if (val) {
        const incrementValue = Number(val) + 1;
        await this.increaseRateLaterClickedCount(incrementValue);
        return incrementValue;
      }
      return this.increaseRateLaterClickedCount(1);
    });
  }

  private async increaseRateLaterClickedCount(value) {
    return this.preference.putString(PreferenceKey.APP_RATE_LATER_CLICKED, String(value)).toPromise().then(() => value);
  }
}