import { RequestHandler, RequestType } from "../../RequestHandler";
import { FastifyRequest, FastifyReply } from 'fastify';
import { UserIsLoggedIn } from "../../requirements/user/UserIsLoggedIn";
import { UserCanUseApp } from "./UserCanUseApp";
import { FilesSync } from "../../../files/FilesSync";
import { Files } from "../../../files/Files";


export class AppsLoadHandler extends RequestHandler
{
  static url = "/apps/load";
  constructor()
  { 
    super( RequestType.POST, AppsLoadHandler.url, [ new UserIsLoggedIn(), new UserCanUseApp() ] ); 
  }

  async _handle( request:FastifyRequest, reply:FastifyReply )
  { 
    let requestBody = request.body;
    let appData = requestBody as { appData: any, appID:string };
    
    let user = await this.getUser();
    let filePath = Files.joinPaths( [ this._ums._settings.appsPath, appData.appID, user.id + ".json" ] );

    let exists = await Files.exists( filePath );

    if ( ! exists )
    {
      return this.sendInfo( "No data saved" );
    }

    let data = await Files.loadJSON<any>( filePath );
    
    return this.sendDataInfo( "Data loaded", data );
  }
}