using CoviDok.BLL;
using CoviDok.BLL.Sessions;
using CoviDok.BLL.User.Managers;
using CoviDok.Data.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace CoviDok.Data.MySQL
{
    public class MySqlChildHandler : IChildHandler
    {
        private readonly MySqlContext context = new MySqlContext();
        public async Task<int> AddChild(Child child)
        {
            context.Children.Add(child);
            await context.SaveChangesAsync();
            return child.Id;
        }

        public async Task<Child> GetChild(int id)
        {
            return await context.Children.FindAsync(id);
        }

        public List<Child> GetChildren(int parentId)
        {
            return (from c in context.Children where c.ParentId == parentId select c).ToList();
        }

        public async Task UpdateChild(int id, Child newData)
        {
            Child child = await context.Children.FindAsync(id);
            context.Entry(child).State = Microsoft.EntityFrameworkCore.EntityState.Modified;
            PropertyCopier<Child>.Copy(newData, child);
            await context.SaveChangesAsync();
        }

        public bool IsAuthorized(Session s, Child c)
        {
            if (s.Id == c.DoctorId || s.Id == c.ParentId) return true;
            // Ha van olyan Asszisztens, akinek;
            //     - a dokija egyezik az ügy dokijával
            //     - azonosítója a bejelentezett user azonosítója
            return (context.Assistants.Any(a => a.Id == s.Id && a.DoctorId == c.DoctorId));
        }
    }
}