import { NotifierAbstract } from '@/tracking/notifications/notifier.abstract';
import { INotifier } from '@/tracking/notifications/notifier.types';

export class ConsoleNotifier extends NotifierAbstract implements INotifier {
  async send(): Promise<boolean> {
    const messages = this.generateMessages();

    if (!messages.length) {
      console.log('Dont send email');
      return false;
    }

    console.log(
      `Send email with the following messages: ${messages.join('\n')}`,
    );

    return true;
  }

  private generateMessages(): string[] {
    const messages: string[] = [];
    if (this.isDelayed) {
      messages.push('Your shipment has been delayed.');
    }

    if (this.daysToArrival <= 0) {
      messages.push('Your shipment has arrived');
    }
    if (this.daysToArrival > 0 && this.daysToArrival <= 1) {
      messages.push('Your shipment will arrive soon');
    }

    return messages;
  }
}