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

namespace gehGassiApp.Domain.Common
{
    /// <summary>
    /// Repräsentiert eine Bewertung
    /// </summary>
    public class Rating : SyncEntity
    {
        /// <summary>
        /// Wer hat das Rating erstellt?
        /// </summary>
        [Required]
        [MaxLength(128)]
        public string FromId { get; set; }

        /// <summary>
        /// Typ der Quelle des Ratings
        /// </summary>
        [Required]
        public AppUserType FromType { get; set; }

        /// <summary>
        /// Ziel Id des Ratings
        /// </summary>
        [Required]
        [MaxLength(128)]
        public string TargetId { get; set; }

        /// <summary>
        /// Ziel-Typ
        /// </summary>
        [Required]
        public RatingTarget TargetType { get; set; }

        /// <summary>
        /// Vergebene Bewertung
        /// </summary>
        [Required]
        public decimal Points { get; set; }

        /// <summary>
        /// Anmerkungen zum Rating
        /// </summary>
        [MaxLength(500)]
        public string Info { get; set; }

        /// <summary>
        /// Wann erstellt?
        /// </summary>
        [Required]
        public DateTimeOffset Created { get; set; }
    }

    /// <summary>
    /// Repräsentiert ein Rating
    /// </summary>
    public class RatingStatistics
    {
        /// <summary>
        /// Anzahl der Bewertungen
        /// </summary>
        [Required]
        public int TotalRatings { get; set; }

        /// <summary>
        /// Anzahl der Punkte die vergeben wurden
        /// </summary>
        [Required]
        public decimal TotalPoints { get; set; }

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

    /// <summary>
    /// Repräsentiert ein Rating das von jemanden für jemanden oder etwas vergeben wurde mit Namen augelöst
    /// </summary>
    public class RatingWithNames : SyncEntityVw
    {
        /// <summary>
        /// Wer hat das Rating erstellt?
        /// </summary>
        public string FromId { get; set; }

        /// <summary>
        /// Name des Rating Erstellers
        /// </summary>
        public string FromName { get; set; }

        /// <summary>
        /// Photo des Ratings Erstellers
        /// </summary>
        public string FromPhoto { get; set; }

        /// <summary>
        /// Typ der Quelle des Ratings
        /// </summary>
        public AppUserType FromType { get; set; }

        /// <summary>
        /// Ziel Id des Ratings
        /// </summary>
        public string TargetId { get; set; }

        /// <summary>
        /// Name des Rating Ziels
        /// </summary>
        public string TargetName { get; set; }

        /// <summary>
        /// Photo des Ratings Ziels
        /// </summary>
        public string TargetPhoto { get; set; }

        /// <summary>
        /// Ziel-Typ
        /// </summary>
        public RatingTarget TargetType { get; set; }

        /// <summary>
        /// Vergebene Bewertung
        /// </summary>
        public decimal Points { get; set; }

        /// <summary>
        /// Anmerkungen zum Rating
        /// </summary>
        public string Info { get; set; }

        /// <summary>
        /// Wann erstellt?
        /// </summary>
        public DateTimeOffset Created { get; set; }

        /// <summary>
        /// Von Vorname
        /// </summary>
        public string FromFirstName
        {
            get
            {
                if (!string.IsNullOrWhiteSpace(FromName))
                {
                    var parts = FromName.Split(" ");
                    return parts[0];
                }

                return string.Empty;
            }
        }

        /// <summary>
        /// Vorname + Nachname erster Buchstabe + Punkt, oder nur Vorname wenn kein Nachname
        /// </summary>
        public string FromFullNameShort
        {
            get
            {
                if (!string.IsNullOrWhiteSpace(FromName))
                {
                    var parts = FromName.Split(" ");
                    var firstName = parts[0];
                    var lastName = string.Empty;
                    if (parts.Length > 1)
                        lastName = parts[1];
                    return string.IsNullOrWhiteSpace(lastName) ? firstName : $"{firstName} {lastName[..1]}.";
                }
                return string.Empty;
            }
        }

        /// <summary>
        /// Ziel Vorname
        /// </summary>
        public string TargetFirstName
        {
            get
            {
                if (!string.IsNullOrWhiteSpace(TargetName))
                {
                    var parts = TargetName.Split(" ");
                    return parts[0];
                }

                return string.Empty;
            }
        }

        /// <summary>
        /// Vorname + Nachname erster Buchstabe + Punkt, oder nur Vorname wenn kein Nachname
        /// </summary>
        public string TargetFullNameShort
        {
            get
            {
                if (!string.IsNullOrWhiteSpace(TargetName))
                {
                    var parts = TargetName.Split(" ");
                    var firstName = parts[0];
                    var lastName = string.Empty;
                    if (parts.Length > 1)
                        lastName = parts[1];
                    return string.IsNullOrWhiteSpace(lastName) ? firstName : $"{firstName} {lastName[..1]}.";
                }
                return string.Empty;
            }
        }

        #region Erweiterung Blockier- und Sperrinfo

        /// <summary>
        /// blockiert
        /// </summary>
        [NotMapped]
        public bool FromBlocked { get; set; }

        /// <summary>
        /// gesperrt
        /// </summary>
        [NotMapped]
        public bool FromLocked { get; set; }

        /// <summary>
        /// blockiert oder gesperrt?
        /// </summary>
        [NotMapped]
        public bool FromBlockedOrLocked => FromBlocked || FromLocked;

        #endregion
    }
}