/******************************************************************************
// MARECHAI: Master repository of computing history artifacts information
// ----------------------------------------------------------------------------
//
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// --[ License ] --------------------------------------------------------------
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as
//     published by the Free Software Foundation, either version 3 of the
//     License, or (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2003-2021 Natalia Portillo
*******************************************************************************/

using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Marechai.Data.Dtos;
using Marechai.Database.Models;
using Microsoft.EntityFrameworkCore;

namespace Marechai.Services;

public class ScreensService(MarechaiContext context)
{
    public async Task<List<ScreenViewModel>> GetAsync() => (await context.Screens.Select(s => new ScreenViewModel
                                                                          {
                                                                              Diagonal        = s.Diagonal,
                                                                              EffectiveColors = s.EffectiveColors,
                                                                              Height          = s.Height,
                                                                              Id              = s.Id,
                                                                              Type            = s.Type,
                                                                              Width           = s.Width,
                                                                              NativeResolutionId =
                                                                                  s.NativeResolutionId,
                                                                              NativeResolution =
                                                                                  new ResolutionViewModel
                                                                                  {
                                                                                      Chars = s.NativeResolution
                                                                                               .Chars,
                                                                                      Colors = s.NativeResolution
                                                                                                .Colors,
                                                                                      Grayscale = s.NativeResolution
                                                                                                   .Grayscale,
                                                                                      Height = s.NativeResolution
                                                                                                .Height,
                                                                                      Id =
                                                                                          s.NativeResolution.Id,
                                                                                      Palette = s.NativeResolution
                                                                                                 .Palette,
                                                                                      Width = s.NativeResolution
                                                                                               .Width
                                                                                  }
                                                                          })
                                                                         .ToListAsync()).OrderBy(s => s.Diagonal)
                                                                                        .ThenBy(s => s.EffectiveColors)
                                                                                        .ThenBy(s => s.NativeResolution.ToString())
                                                                                        .ThenBy(s => s.Type)
                                                                                        .ThenBy(s => s.Size)
                                                                                        .ToList();

    public async Task<ScreenViewModel> GetAsync(int id) => await context.Screens.Where(s => s.Id == id)
                                                                         .Select(s => new ScreenViewModel
                                                                          {
                                                                              Diagonal        = s.Diagonal,
                                                                              EffectiveColors = s.EffectiveColors,
                                                                              Height          = s.Height,
                                                                              Id              = s.Id,
                                                                              NativeResolution = new ResolutionViewModel
                                                                              {
                                                                                  Chars  = s.NativeResolution.Chars,
                                                                                  Colors = s.NativeResolution.Colors,
                                                                                  Grayscale = s.NativeResolution
                                                                                     .Grayscale,
                                                                                  Height = s.NativeResolution.Height,
                                                                                  Id     = s.NativeResolution.Id,
                                                                                  Palette =
                                                                                      s.NativeResolution.Palette,
                                                                                  Width = s.NativeResolution.Width
                                                                              },
                                                                              NativeResolutionId = s.NativeResolutionId,
                                                                              Type               = s.Type,
                                                                              Width              = s.Width
                                                                          })
                                                                         .FirstOrDefaultAsync();

    public async Task UpdateAsync(ScreenViewModel viewModel, string userId)
    {
        Screen model = await context.Screens.FindAsync(viewModel.Id);

        if(model is null) return;

        Resolution nativeResolution = await context.Resolutions.FindAsync(viewModel.NativeResolutionId);

        if(nativeResolution is null) return;

        model.Diagonal           = viewModel.Diagonal;
        model.EffectiveColors    = viewModel.EffectiveColors;
        model.Height             = viewModel.Height;
        model.NativeResolutionId = viewModel.NativeResolutionId;
        model.Type               = viewModel.Type;
        model.Width              = viewModel.Width;

        await context.SaveChangesWithUserAsync(userId);
    }

    public async Task<int> CreateAsync(ScreenViewModel viewModel, string userId)
    {
        var model = new Screen
        {
            Diagonal           = viewModel.Diagonal,
            EffectiveColors    = viewModel.EffectiveColors,
            Height             = viewModel.Height,
            NativeResolutionId = viewModel.NativeResolutionId,
            Type               = viewModel.Type,
            Width              = viewModel.Width
        };

        await context.Screens.AddAsync(model);
        await context.SaveChangesWithUserAsync(userId);

        return model.Id;
    }

    public async Task DeleteAsync(int id, string userId)
    {
        Screen item = await context.Screens.FindAsync(id);

        if(item is null) return;

        context.Screens.Remove(item);

        await context.SaveChangesWithUserAsync(userId);
    }
}