lol-cup-pick-ban-ui/apps/backend/state/State.ts

import EventEmitter from 'events';
import * as fs from 'fs';
import { Config, StateData, Team } from '../types/dto';

class State extends EventEmitter {
  data: StateData;

  constructor() {
    super();

    this.data = new StateData();
    this.data.config = JSON.parse(fs.readFileSync('./config.json', 'utf8'));
  }

  champselectStarted(): void {
    this.data.config = JSON.parse(fs.readFileSync('./config.json', 'utf8'));

    this.emit('champSelectStarted');

    this.data.champSelectActive = true;
    this.triggerUpdate();
  }

  champselectEnded(): void {
    this.data.blueTeam = new Team();
    this.data.redTeam = new Team();
    this.data.timer = 0;
    this.data.champSelectActive = false;

    this.emit('champSelectEnded');

    this.triggerUpdate();
  }

  newState(state: {
    redTeam: Team;
    blueTeam: Team;
    timer: number;
    state: string;
  }): void {
    let shouldUpdate = false;

    if (JSON.stringify(this.data.blueTeam) !== JSON.stringify(state.blueTeam)) {
      this.data.blueTeam = state.blueTeam;
      shouldUpdate = true;
    }

    if (JSON.stringify(this.data.redTeam) !== JSON.stringify(state.redTeam)) {
      this.data.redTeam = state.redTeam;
      shouldUpdate = true;
    }

    if (this.data.timer !== state.timer) {
      this.data.timer = state.timer;
      shouldUpdate = true;
    }

    if (this.data.state !== state.state) {
      this.data.state = state.state;
      shouldUpdate = true;
    }

    if (shouldUpdate) {
      this.triggerUpdate();
    }
  }

  newAction(action: any): void {
    this.emit('newAction', action);
  }

  leagueConnected(): void {
    this.data.leagueConnected = true;
    this.triggerUpdate();
  }

  leagueDisconnected(): void {
    this.data.leagueConnected = false;
    this.triggerUpdate();
  }

  triggerUpdate(): void {
    this.emit('stateUpdate', this.data);
  }

  getVersionCDN(): string {
    return `${this.data.meta.cdn}/${this.data.meta.version.champion}`;
  }

  getVersion(): string {
    return this.data.meta.version.champion;
  }

  getCDN(): string {
    return this.data.meta.cdn;
  }

  getMajorMinorVersion(): string {
    return this.data.meta.version.champion.split('.').slice(0, 2).join('.');
  }

  getConfig(): Config {
    return this.data.config;
  }
}

export default State;