using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CommunityToolkit.Mvvm.ComponentModel;
using gehGassiApp.Domain.Base;

namespace gehGassiApp.Domain.Advertisements
{
    /// <summary>
    /// Repräsentiert eine Werbung
    /// </summary>
    public class Advertisement : SyncEntity
    {
        /// <summary>
        /// Id des Kunden
        /// </summary>
        public long CustomerId { get; set; }

        /// <summary>
        /// Name des kunden
        /// </summary>
        public string CustomerName { get; set; }

        /// <summary>
        /// Id der Rubrik
        /// </summary>
        public string AdvertisementCategoryId { get; set; }

        /// <summary>
        /// Name der Rubrik
        /// </summary>
        public string AdvertisementCategoryName { get; set; }

        /// <summary>
        /// Startdatum der Listung
        /// </summary>
        public DateTimeOffset? StartDate { get; set; }

        /// <summary>
        /// Enddatum der Listung
        /// </summary>
        public DateTimeOffset? EndDate { get; set; }

        /// <summary>
        /// Rabatt in Prozent.
        /// Wenn 0, dann ignorieren
        /// </summary>
        public decimal Discount { get; set; }

        /// <summary>
        /// Bild für die Werbung - Allgemein
        /// </summary>
        public string Image { get; set; }

        /// <summary>
        /// Bild für die Werbung - Allgemein 8:9
        /// </summary>
        public string Image2 { get; set; }

        /// <summary>
        /// Link für die Werbung - allgemein wenn nicht überschrieben
        /// </summary>
        public string Url { get; set; }

        /// <summary>
        /// Name der Werbung
        /// </summary>
        public string Name { get; set; }

        /// <summary>
        /// Beschreibung der Werbung
        /// </summary>
        public string Description { get; set; }

        /// <summary>
        /// Bild der Werbung für eine Sprache
        /// </summary>
        public string ImageLanguage { get; set; }

        /// <summary>
        /// Bild der Werbung für eine Sprache 8:9
        /// </summary>
        public string Image2Language { get; set; }

        /// <summary>
        /// Link für die Werbung für eine Sprache
        /// </summary>
        public string UrlLanguage { get; set; }

        /// <summary>
        /// Ist diese Werbung ein Favorit des Benutzers?
        /// </summary>
        [NotMapped]
        public bool IsFavourite
        {
            get => _isFavourite;
            set
            {
                _isFavourite = value;
                OnPropertyChanged();
            }
        }

        private long _leftTicks;
        [NotMapped]
        public long LeftTicks
        {
            get => _leftTicks;
            set => SetProperty(ref _leftTicks, value);
        }

        private string _timeLeft;
        private bool _isFavourite;

        [NotMapped]
        public string TimeLeft {
        get => _timeLeft;
            set => SetProperty(ref _timeLeft, value);
        }

        public void SetTimeLeft()
        {
            var timeSpan = EndDate.Value - DateTimeOffset.UtcNow;
            LeftTicks = timeSpan.Ticks;
            timeSpan = new TimeSpan(timeSpan.Days, timeSpan.Hours, timeSpan.Minutes, timeSpan.Seconds);

            var days = timeSpan.Days;
            var hours = timeSpan.Hours;
            var minutes = timeSpan.Minutes;
            var seconds = timeSpan.Seconds;

            if (days > 0)
            {
                TimeLeft = $"{days}T {hours:00}h {minutes:00}m";
            }
            else if (hours > 0)
            {
                TimeLeft = $"{hours:00}h {minutes:00}m {seconds:00}s";
            }
            else if (minutes > 0)
            {
                TimeLeft = $"{minutes:00}m {seconds:00}s";
            }
            else if (seconds > 0)
            {
                TimeLeft = $"{seconds:00}s";
            }
            else
            {
                TimeLeft = string.Empty;
            }
        }

    }
}