using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TaskTrackerContracts.BindingModels;
using TaskTrackerContracts.ViewModels;
using TaskTrackerDataModels.Enums;
using TaskTrackerDataModels.Models;

namespace TaskTrackerDatabase.Models
{
    public class Task : ITaskModel
    {
        public int Id { get; set; }

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

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

        [Required]
        public string Title { get; set; } = string.Empty;

        [Required]
        public string Description { get; set; } = string.Empty;

        [Required]
        public MyTaskStatus Status { get; set; }

        [Required]
        public DateTime DateCreate { get; set; }

        public DateTime? DateImplement { get; set; }

        public virtual Project Project { get; set; }
        public virtual User User { get; set; }

        public static Task? Create(TaskBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new Task()
            {
                Id = model.Id,
                ProjectId = model.ProjectId,
                UserId = model.UserId,
                Title = model.Title,
                Description = model.Description,
                Status = model.Status,
                DateCreate = model.DateCreate,
                DateImplement = model.DateImplement
            };
        }

        public void Update(TaskBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            Status = model.Status;
            DateImplement = model.DateImplement;
        }

        public TaskViewModel GetViewModel => new()
        {
            Id = Id,
            ProjectId = ProjectId,
            UserId = UserId,
            Title = Title,
            Description = Description,
            Status = Status,
            DateCreate = DateCreate,
            DateImplement = DateImplement,
            ProjectName = Project.ProjectName,
            UserFIO = User.UserFIO
        };
    }
}