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

@Injectable({
  providedIn: 'root'
})
export class SubscriptionExpirationDateService {

  getSubscriptionStatus(subscriptionStatus: string): string {
    const expiration = new Date(subscriptionStatus);
    const now = new Date();

    const daysToExpiration = Math.ceil(
      (expiration.getTime() - now.getTime()) / (1000 * 60 * 60 * 24)
    );
    const daysSinceExpiration = Math.ceil(
      (now.getTime() - expiration.getTime()) / (1000 * 60 * 60 * 24)
    );

    const formatDate = (date: Date) => {
      const day = String(date.getDate()).padStart(2, '0');
      const month = String(date.getMonth() + 1).padStart(2, '0');
      const year = date.getFullYear();
      return `${day}-${month}-${year}`;
    };

    if (daysToExpiration > 7) {
      return `aktywny do ${formatDate(expiration)}`;
    } else if (daysToExpiration >= 0 && daysToExpiration <= 7) {
      return `ostatnie ${daysToExpiration} dni aktywacji`;
    } else if (daysSinceExpiration <= 7) {
      return `nieaktywny od ${daysSinceExpiration} dni`;
    } else {
      return `nieaktywny od ${formatDate(expiration)}`;
    }
  }

  getSubscriptionStatusMessage(subscriptionStatus: string): string {
    const expiration = new Date(subscriptionStatus);
    const now = new Date();
    const daysToExpiration = Math.ceil(
      (expiration.getTime() - now.getTime()) / (1000 * 60 * 60 * 24)
    );

    if (daysToExpiration >= 7) {
      return 'Aktywny';
    } else if (daysToExpiration >= 1 && daysToExpiration <= 7) {
      return 'Na wygaśnięciu';
    } else {
      return 'Nieaktywny';
    }
  }

  getSubscriptionStatusColor(subscriptionStatus: string): string {
    const expiration = new Date(subscriptionStatus);
    const now = new Date();
    const daysToExpiration = Math.ceil(
      (expiration.getTime() - now.getTime()) / (1000 * 60 * 60 * 24)
    );

    if (daysToExpiration >= 7) {
      return '#22C55E';
    } else if (daysToExpiration >= 1 && daysToExpiration <= 7) {
      return '#F97316';
    } else {
      return '#9CA3AF';
    }
  }


  getSubscriptionTypeColor(
    subscriptionType: string,
    subscriptionStatus?: string
  ) {

    if(subscriptionStatus && subscriptionType){
      const expiration = new Date(subscriptionStatus);
      const now = new Date();
  
      if (subscriptionType === 'Free' && expiration > now) {
        return '#16A34A';
      } else if (subscriptionType === 'Pro' && expiration > now) {
        return '#0D9488';
      } else if (subscriptionType === 'Free' && expiration < now) {
        return '#16A34A80';
      } else {
        return '#0D948880';
      }
    }else{
      if (subscriptionType === 'Free') {
        return '#16A34A';
      } else if (subscriptionType === 'Pro') {
        return '#0D9488';
      } else {
        return '#16A34A';
      }
    }
  }
}