/******************************************************************************
// 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 SoftwareVersionsService(MarechaiContext context)
{
    public async Task<List<SoftwareVersionViewModel>> GetAsync() => await context.SoftwareVersions
                                                                                 .OrderBy(b => b.Family.Name)
                                                                                 .ThenBy(b => b.Version)
                                                                                 .ThenBy(b => b.Introduced)
                                                                                 .Select(b => new SoftwareVersionViewModel
                                                                                  {
                                                                                      Id         = b.Id,
                                                                                      Family     = b.Family.Name,
                                                                                      Name       = b.Name,
                                                                                      Codename   = b.Codename,
                                                                                      Version    = b.Version,
                                                                                      Introduced = b.Introduced,
                                                                                      Previous   = b.Previous.Name,
                                                                                      License    = b.License.Name,
                                                                                      FamilyId   = b.FamilyId,
                                                                                      LicenseId  = b.LicenseId,
                                                                                      PreviousId = b.PreviousId
                                                                                  })
                                                                                 .ToListAsync();

    public async Task<SoftwareVersionViewModel> GetAsync(ulong id) => await context.SoftwareVersions
                                                                         .Where(b => b.Id == id)
                                                                         .Select(b => new SoftwareVersionViewModel
                                                                          {
                                                                              Id         = b.Id,
                                                                              Family     = b.Family.Name,
                                                                              Name       = b.Name,
                                                                              Codename   = b.Codename,
                                                                              Version    = b.Version,
                                                                              Introduced = b.Introduced,
                                                                              Previous   = b.Previous.Name,
                                                                              License    = b.License.Name,
                                                                              FamilyId   = b.FamilyId,
                                                                              LicenseId  = b.LicenseId,
                                                                              PreviousId = b.PreviousId
                                                                          })
                                                                         .FirstOrDefaultAsync();

    public async Task UpdateAsync(SoftwareVersionViewModel viewModel, string userId)
    {
        SoftwareVersion model = await context.SoftwareVersions.FindAsync(viewModel.Id);

        if(model is null) return;

        model.Name       = viewModel.Name;
        model.Codename   = viewModel.Codename;
        model.Version    = viewModel.Version;
        model.Introduced = viewModel.Introduced;
        model.FamilyId   = viewModel.FamilyId;
        model.LicenseId  = viewModel.LicenseId;
        model.PreviousId = viewModel.PreviousId;
        await context.SaveChangesWithUserAsync(userId);
    }

    public async Task<ulong> CreateAsync(SoftwareVersionViewModel viewModel, string userId)
    {
        var model = new SoftwareVersion
        {
            Name       = viewModel.Name,
            Codename   = viewModel.Codename,
            Version    = viewModel.Version,
            Introduced = viewModel.Introduced,
            FamilyId   = viewModel.FamilyId,
            LicenseId  = viewModel.LicenseId,
            PreviousId = viewModel.PreviousId
        };

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

        return model.Id;
    }

    public async Task DeleteAsync(ulong id, string userId)
    {
        SoftwareVersion item = await context.SoftwareVersions.FindAsync(id);

        if(item is null) return;

        context.SoftwareVersions.Remove(item);

        await context.SaveChangesWithUserAsync(userId);
    }
}