using ForumContracts.BindingModels;
using ForumContracts.ViewModels;
using ForumDataModels;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Drawing;
using System.Linq;
using System.Reflection;
using System.Runtime.ConstrainedExecution;
using System.Text;
using System.Threading.Tasks;

namespace BlogDatabase.Models
{
    public class User : IUserModel
    {
        [Required]
        public string Username { get; set; } = string.Empty;
        [Required]
        public string Email { get; set; } = string.Empty;
        [Required]
        public string Password { get; set; } = string.Empty;
        [Required]
        public DateTime RegistrationDate { get; set; }

        public int Id { get; set; }

        [Required]
        public int RoleId { get; set; }

        [ForeignKey("CategoryId")]
        List<Category> Categories { get; set; } = new();

        [ForeignKey("TopicId")]
        List<Topic> Topics { get; set; } = new();

        [ForeignKey("MessageId")]
        List<Message> Messages { get; set; } = new();

        public virtual Role Role { get; set; }

        public static User? Create(UserBindingModel model)
        {
            if (model == null)
            {
                return null;
            }
            return new User()
            {
                Id = model.Id,
                Username = model.Username,
                Email = model.Email,
                Password = model.Password,
                RegistrationDate = model.RegistrationDate,
                RoleId = model.RoleId,
            };
        }
        public void Update(UserBindingModel model)
        {
            if (model == null)
            {
                return;
            }
            Username = model.Username;
            Email = model.Email;
            Password = model.Password;
            RegistrationDate = model.RegistrationDate;
        }
        public UserViewModel GetViewModel => new()
        {
            Id = Id,
            Username = Username,
            Email = Email,
            Password = Password,
            RegistrationDate = RegistrationDate,
            RoleId = RoleId,
            RoleName = Role == null ? string.Empty : Role.Name,
        };
    }
}