/**
 * @file Хранилище для источника данных
 * @version 2022.01.26
 * @author Verevkin S.A.
 * @copyright Verevkin S.A.
 */

import { action, makeObservable, observable } from 'mobx';
import { Game } from '../../model/Game';
import service from './apiStore.service';
import { Witch } from '../../model/Witch';

export enum EGameStage {
  Start = 0,
  Process = 1
}

class ApiStore {
  // region observable properties
  mockMode: boolean = true;
  gameStage: EGameStage = EGameStage.Start;
  version: string = "";
  currentGame: Game | undefined;
  errorState: string = "";
  // endregion
  // region consts
  apiUrl = process.env.REACT_APP_API_URL;
  // endregion

  constructor() {
    makeObservable(this, {
      /* observable properties */
      currentGame: observable,
      mockMode: observable,
      version: observable,
      errorState: observable,
      gameStage: observable,
      /* actions */
      setCurrentGame: action.bound,
      setMockMode: action.bound,
      setVersion: action.bound,
      setErrorState: action.bound,
      setGameStage: action.bound,
    });
    this.backgroundLoad();
  }

  // region public methods
  async backgroundLoad(): Promise<void> {
    if (this.mockMode) {
      const ar: Witch[] = [{
        guid: '1', position: 0, flagReal: false,
      },
        {
          guid: '2', position: 1, flagReal: true,
        },
        {
          guid: '3', position: 2, flagReal: false,
        },
      ];
      this.setCurrentGame({
        guid: '1',
        witches: ar,
        score: 0,
      })
      return Promise.resolve();
    }
    service.getVersion()
      .then((version) => version && this.setVersion(version));
    service.getGame()
      .then((game) => game && this.setCurrentGame(game));

  }
  async turn(witchGuid: string): Promise<boolean> {
    if (this.mockMode) return Promise.resolve(false);
    if (!this.currentGame?.guid) return Promise.resolve(false);

    return service.gameTurn(this.currentGame?.guid, witchGuid)
      .then((game) => {
        if (!game) return false;
        const result = (game?.guid !== this.currentGame?.guid);
        this.setCurrentGame(game);
        return result;
      })
  }
  // endregion

  // region setters
  setCurrentGame(game: Game) {
    this.currentGame = game;
  }

  setMockMode(mockMode: boolean) {
    if (mockMode !== this.mockMode) this.mockMode = mockMode;
  }

  setVersion(version: string) {
    if (version && version !== this.version) {
      this.version = version;
    }
  }
  setErrorState(errorState: string) {
    this.errorState = errorState;
    if (errorState) {
      this.gameStage = EGameStage.Start;
    }
  }
  setGameStage(gameStage: EGameStage) {
    if (gameStage === this.gameStage) return;
    this.gameStage = gameStage;
  }
  //endregion
  startNewGame() {
    if (this.mockMode) {
      if (this.currentGame) {
        this.currentGame.guid = Date.now().toString(10);
      }
      this.setGameStage(EGameStage.Process)
    } else {
      service.getGame()
        .then((game) => {
          if (game) {
            this.setCurrentGame(game);
            this.setGameStage(EGameStage.Process)
          }
        });
    }
  }
}

export default new ApiStore();