using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using gehGassiApp.Domain.Base;
using gehGassiApp.Domain.Common;

namespace gehGassiApp.Domain.Dogs
{
    /// <summary>
    /// Repräsentiert einen Hund
    /// </summary>
    public class Dog : SyncEntity
    {
        private DogSex _sex;
        private string _name;
        private string _description;
        private string _photo;
        private DateTimeOffset? _birthDate;
        private DogSize _size;
        private bool _pullsTheLeash;
        private bool _walksTheLeash;
        private bool _basicCommands;
        private bool _hunter;
        private bool _eating;
        private bool _jumper;
        private bool _likesAdults;
        private bool _likesChildren;
        private bool _likesConspecifics;
        private bool _isTrustful;
        private bool _isAggressiv;
        private bool _isLoneGunner;
        private DogAggressionLevel _aggressionLevel;
        private bool _rushesOutside;
        private bool _isCalm;
        private bool _isPeeing;
        private bool _isShy;
        private bool _isGuard;
        private string _intolerances;
        private bool _chiped;
        private bool _sterilized;
        private string _medicalInfo;
        private bool _houseTrained;
        private DogFeedingTimes _feedingTimes;
        private string _feedingIndividual;
        private RatingStatistics _ratingStatistics;
        private bool _blocked;
        private bool _locked;

        /// <summary>
        /// Id der Hunderasse
        /// </summary>
        [MaxLength(128)]
        public string DogRaceId { get; set; }

        /// <summary>
        /// Id des App-Users
        /// </summary>
        [Required]
        [MaxLength(128)]
        public string AppUserId { get; set; }

        #region Basis

        /// <summary>
        /// Nummer des Hundes
        /// </summary>
        [Required]
        [MaxLength(100)]
        public string Number { get; set; }

        /// <summary>
        /// Name des Hundes
        /// </summary>
        [Required]
        [MaxLength(100)]
        public string Name
        {
            get => _name;
            set
            {
                _name = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Optional: Beschreibung
        /// </summary>
        [MaxLength(5000)]
        public string Description
        {
            get => _description;
            set
            {
                _description = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Optional - Foto des Hundes
        /// </summary>
        [MaxLength(500)]
        public string Photo
        {
            get
            {
                if (string.IsNullOrWhiteSpace(_photo))
                    return string.Empty;

                if (!_photo.ToLower().StartsWith("http"))
                {
                    if (!File.Exists(_photo))
                        return Path.Combine(FileSystem.AppDataDirectory, Path.GetFileName(_photo) ?? string.Empty);
                }

                return _photo;
            }
            set
            {
                _photo = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Geburtstag des Hundes
        /// </summary>
        public DateTimeOffset? BirthDate
        {
            get => _birthDate;
            set
            {
                _birthDate = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Geschlecht des Hundes
        /// </summary>
        [Required]
        public DogSex Sex
        {
            get => _sex;
            set
            {
                _sex = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Größe des Hundes
        /// </summary>
        [Required]
        public DogSize Size
        {
            get => _size;
            set
            {
                _size = value;
                OnPropertyChanged();
            }
        }

        #endregion

        #region Eigenschaften beim Gassi gehen

        /// <summary>
        /// Zieht an der Leine
        /// </summary>
        [Required]
        public bool PullsTheLeash
        {
            get => _pullsTheLeash;
            set
            {
                _pullsTheLeash = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Geht an der Leine
        /// </summary>
        [Required]
        public bool WalksTheLeash
        {
            get => _walksTheLeash;
            set
            {
                _walksTheLeash = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Kennt die Grundkommandos
        /// </summary>
        [Required]
        public bool BasicCommands
        {
            get => _basicCommands;
            set
            {
                _basicCommands = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Jagd andere Tiere
        /// </summary>
        [Required]
        public bool Hunter
        {
            get => _hunter;
            set
            {
                _hunter = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Versucht alles zu essen
        /// </summary>
        [Required]
        public bool Eating
        {
            get => _eating;
            set
            {
                _eating = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Springt Menschen an
        /// </summary>
        [Required]
        public bool Jumper
        {
            get => _jumper;
            set
            {
                _jumper = value;
                OnPropertyChanged();
            }
        }

        #endregion

        #region Persönlichkeit

        /// <summary>
        /// Mag Erwachsene
        /// </summary>
        [Required]
        public bool LikesAdults
        {
            get => _likesAdults;
            set
            {
                _likesAdults = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Mag Kinder
        /// </summary>
        [Required]
        public bool LikesChildren
        {
            get => _likesChildren;
            set
            {
                _likesChildren = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Mag Artgenossen
        /// </summary>
        [Required]
        public bool LikesConspecifics
        {
            get => _likesConspecifics;
            set
            {
                _likesConspecifics = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Ist zutraulich
        /// </summary>
        [Required]
        public bool IsTrustful
        {
            get => _isTrustful;
            set
            {
                _isTrustful = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Ist aggressiv
        /// </summary>
        [Required]
        public bool IsAggressiv
        {
            get => _isAggressiv;
            set
            {
                _isAggressiv = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Ist ein Einzelgänger
        /// </summary>
        [Required]
        public bool IsLoneGunner
        {
            get => _isLoneGunner;
            set
            {
                _isLoneGunner = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Aggressionsgrad des Hundes, wenn aggressiv
        /// </summary>
        [Required]
        public DogAggressionLevel AggressionLevel
        {
            get => _aggressionLevel;
            set
            {
                _aggressionLevel = value;
                OnPropertyChanged();
            }
        }

        #endregion

        #region Verhalten wenn jemand das Haus betritt

        /// <summary>
        /// Stürmt nach draussen
        /// </summary>
        [Required]
        public bool RushesOutside
        {
            get => _rushesOutside;
            set
            {
                _rushesOutside = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Ist ruhig und entspannt
        /// </summary>
        [Required]
        public bool IsCalm
        {
            get => _isCalm;
            set
            {
                _isCalm = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Pinkelt vor Aufregung
        /// </summary>
        [Required]
        public bool IsPeeing
        {
            get => _isPeeing;
            set
            {
                _isPeeing = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Ist schüchtern
        /// </summary>
        [Required]
        public bool IsShy
        {
            get => _isShy;
            set
            {
                _isShy = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Bewacht das zuhause
        /// </summary>
        [Required]
        public bool IsGuard
        {
            get => _isGuard;
            set
            {
                _isGuard = value;
                OnPropertyChanged();
            }
        }

        #endregion

        #region Medical

        /// <summary>
        /// Unverträglichkeiten
        /// </summary>
        [MaxLength(5000)]
        public string Intolerances
        {
            get => _intolerances;
            set
            {
                _intolerances = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Ist gechipt
        /// </summary>
        [Required]
        public bool Chiped
        {
            get => _chiped;
            set
            {
                _chiped = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Ist sterilisiert?
        /// </summary>
        [Required]
        public bool Sterilized
        {
            get => _sterilized;
            set
            {
                _sterilized = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Medizinische Informationen
        /// </summary>
        [MaxLength(5000)]
        public string MedicalInfo
        {
            get => _medicalInfo;
            set
            {
                _medicalInfo = value;
                OnPropertyChanged();
            }
        }

        #endregion

        #region Sitting

        /// <summary>
        /// Ist stubenrein?
        /// </summary>
        [Required]
        public bool HouseTrained
        {
            get => _houseTrained;
            set
            {
                _houseTrained = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Fütterungszeiten
        /// </summary>
        [Required]
        public DogFeedingTimes FeedingTimes
        {
            get => _feedingTimes;
            set
            {
                _feedingTimes = value;
                OnPropertyChanged();
            }
        }

        /// <summary>
        /// Fütterungszeiten Individuell
        /// </summary>
        [MaxLength(500)]
        public string FeedingIndividual
        {
            get => _feedingIndividual;
            set
            {
                _feedingIndividual = value;
                OnPropertyChanged();
            }
        }

        #endregion

        /// <summary>
        /// Rating-Statistiken für den Hund
        /// </summary>
        public RatingStatistics RatingStatistics
        {
            get => _ratingStatistics;
            set
            {
                _ratingStatistics = value;
                OnPropertyChanged();
            }
        }

        #region Erweiterung Blockier- und Sperrinfo

        /// <summary>
        /// Hundebesitzer ist blockiert
        /// </summary>
        [NotMapped]
        public bool Blocked
        {
            get => _blocked;
            set
            {
                if (value == _blocked) return;
                _blocked = value;
                OnPropertyChanged();
                OnPropertyChanged(nameof(BlockedOrLocked));
            }
        }

        /// <summary>
        /// Hundebesitzer ist gesperrt
        /// </summary>
        [NotMapped]
        public bool Locked
        {
            get => _locked;
            set
            {
                if (value == _locked) return;
                _locked = value;
                OnPropertyChanged();
                OnPropertyChanged(nameof(BlockedOrLocked));
            }
        }

        /// <summary>
        /// Hundebesitzer blockiert oder gesperrt?
        /// </summary>
        [NotMapped]
        public bool BlockedOrLocked => Blocked || Locked;

        #endregion

        /// <summary>
        /// Datum der Erstellung
        /// </summary>
        public DateTimeOffset Created { get; set; }

        public Dog()
        {
            RatingStatistics = new RatingStatistics();
            OnPropertyChanged();
        }
    }

    /// <summary>
    /// Min-Info eines Hundes
    /// </summary>
    public class DogMinInfo : SyncEntityVw
    {
        /// <summary>
        /// Id der Hunderasse
        /// </summary>
        public string DogRaceId { get; set; }

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

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

        /// <summary>
        /// Optional - Foto des Hundes
        /// </summary>
        public string Photo { get; set; }

        /// <summary>
        /// Geschlecht
        /// </summary>
        public DogSex Sex { get; set; }

        /// <summary>
        /// Größe des Hundes
        /// </summary>
        public DogSize Size { get; set; }

        /// <summary>
        /// Geburtstag des Hundes
        /// </summary>
        public DateTimeOffset? BirthDate { get; set; }

        /// <summary>
        /// Durchschnittliche Bewertung 
        /// </summary>
        public decimal AverageRating { get; set; }

        /// <summary>
        /// Anzahl Bewertungen
        /// </summary>
        public int TotalRatings { get; set; }

        #region Erweiterung Blockier- und Sperrinfo

        /// <summary>
        /// Hundebesitzer ist blockiert
        /// </summary>
        [NotMapped]
        public bool Blocked { get; set; }

        /// <summary>
        /// Hundebesitzer ist gesperrt
        /// </summary>
        [NotMapped]
        public bool Locked { get; set; }

        /// <summary>
        /// Hundebesitzer blockiert oder gesperrt?
        /// </summary>
        [NotMapped]
        public bool BlockedOrLocked => Blocked || Locked;

        #endregion
    }

    /// <summary>
    /// Hilfsklasse für das Speichern von Hunden zu Walks
    /// </summary>
    public class DogWalkJson
    {
        /// <summary>
        /// Id des Hundes
        /// </summary>
        [JsonPropertyName("id")]
        public string Id { get; set; }

        /// <summary>
        /// Name des Hundes
        /// </summary>
        [JsonPropertyName("name")]
        public string Name { get; set; }
    }
}