using SchoolContracts.BindingModels;
using SchoolContracts.Extensions;
using SchoolContracts.ViewModels;
using SchoolDataModels;
using System.ComponentModel.DataAnnotations;

namespace SchoolDatabaseImplement.Models
{
    public class Student : IStudentModel
    {
        [Required]
        public int ExecutorId { get; private set; }
        [Required]
        public string Name { get; private set; } = string.Empty;
        [Required]
        public double Price { get; private set; }
        [Required]
        public int Course { get; private set; }

        public int Id { get; private set; }
        [Required]
        public Executor? Executor { get; private set; }

        [Required] 
        public List<StudentByDiscipline> Disciplines { get; private set; } = new();
        

        public static Student Create(StudentBindingModel model) => model.CastWithCommonProperties<Student, StudentBindingModel>();

        public static implicit operator StudentViewModel?(Student? model)
        {
            if (model == null)
            {
                return null;
            }
            var res = model.CastWithCommonProperties<StudentViewModel, Student>();
            res.DirectorLogin = model.Executor?.Login ?? string.Empty;
            res.Disciplines = model.Disciplines.Select(x => (DisciplineViewModel)x.Discipline).ToList();
            return res;
        }

        public void Update(StudentBindingModel model)
        {
            Price = model.Price;
            Course = model.Course;
        }

        public StudentViewModel GetViewModel() => this.CastWithCommonProperties<StudentViewModel, Student>();
    }
}