import {EventConfiguration, EventType, TimedEvent} from "../EventHandler.types";
import {EventHandler} from "../EventHandler";
import {Logger} from "log4js";
import {CleanEvent} from "../EventClasses/CleanEvent";

export class CleanupEvent implements TimedEvent {
    type: EventType.TimeBased = EventType.TimeBased;
    configuration: EventConfiguration = {
      name: "Cleanup event",
    };
    cronExpression: string = "0 5 * * *";
    
    constructor(
      private readonly eventHandler: EventHandler,
      private readonly logger: Logger
    ) {}
    
    public execute(): void {
      this.logger.info("Issue cleanup...")
      
      this.eventHandler.dispatch<CleanEvent>(new CleanEvent());
      this.cleanEvents();
    }
    
    private cleanEvents(): void {
      const eventHandlers = this.eventHandler.EventHandlers;
      for (let [eventClass, entries] of eventHandlers.entries()) {
        for (let [id, entry] of entries.entries()) {
          if (entry.persistent) {
            continue;
          }
          
          this.eventHandler.removeHandler(eventClass, id);
        }
      }
    }
  
}