using HotelContracts.BindingModels;
using HotelContracts.SearchModels;
using HotelContracts.StoragesContracts;
using HotelContracts.ViewModels;
using HotelDatabaseImplement.Models;

namespace HotelDatabaseImplement.Implements;

public class MaitreStorage : IMaitreStorage
{
    public List<MaitreViewModel> GetFullList()
    {
        using var context = new HotelDataBase();
        return context.Maitres
            .Select(x => x.GetViewModel)
            .ToList();
    }

    public List<MaitreViewModel> GetFilteredList(MaitreSearchModel model)
    {
        if (string.IsNullOrEmpty(model.Login))
        {
            return new List<MaitreViewModel>();
        }
        
        using var context = new HotelDataBase();
        return context.Maitres
            .Where(x => x.Login == model.Login)
            .Select(x => x.GetViewModel)
            .ToList();
    }

    public MaitreViewModel? GetElement(MaitreSearchModel model)
    {
        if (!model.Id.HasValue) return null;
        using var context = new HotelDataBase();
        return context.Maitres.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
    }

    public MaitreViewModel? Insert(MaitreBindingModel model)
    {
        var item = Maitre.Create(model);

        using var context = new HotelDataBase();
        context.Maitres.Add(item);
        context.SaveChanges();

        return item.GetViewModel;
    }

    public MaitreViewModel? Update(MaitreBindingModel model)
    {
        using var context = new HotelDataBase();
        var item = context.Maitres.FirstOrDefault(x => x.Id == model.Id);
        if (item == null) return null;
        
        item.Update(model);
        context.SaveChanges();
        return item.GetViewModel;
    }

    public MaitreViewModel? Delete(MaitreBindingModel model)
    {
        using var context = new HotelDataBase();
        var item = context.Maitres.FirstOrDefault(x => x.Id == model.Id);
        if (item == null) return null;
        context.Maitres.Remove(item);
        context.SaveChanges();
        return item.GetViewModel;
    }
}