import { Injectable } from '@angular/core';

/**
 * Provider for website action logs.
 */
@Injectable({ providedIn: 'root' })
export class MessageService {

  /**
   * Data structure due to store the different message logs generated by
   * intertacting with website actions.
   */
  messages: string[] = [];

  /** 
   * Adds a new message to the messages [Array]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array}.
   * 
   * @description
   * Must be called passing the same message struture we are using
   * to show actions log in our HTML. You only need to call it with 1 value.
   * 
   * @example
   * add("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");
   * 
   * @param {string[]} message Messages data structure.
   * 
   * */
  add(message: string) {
    this.messages.push(message);
  }

  /** 
   * Sets the messages Array to empty.
   * */
  clear() {
    this.messages = [];
  }
}