/******************************************************************************
// 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 © 2003-2026 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 SoftwareVariantsService(MarechaiContext context)
{
    public async Task<List<SoftwareVariantDto>> GetAsync() => await context.SoftwareVariants
                                                                                 .OrderBy(b => b.SoftwareVersion.Family.Name)
                                                                                 .ThenBy(b => b.SoftwareVersion.Version)
                                                                                 .ThenBy(b => b.Name)
                                                                                 .ThenBy(b => b.Version)
                                                                                 .ThenBy(b => b.Introduced)
                                                                                 .Select(b => new SoftwareVariantDto
                                                                                  {
                                                                                      Id = b.Id,
                                                                                      Name = b.Name,
                                                                                      Version = b.Version,
                                                                                      Introduced = b.Introduced,
                                                                                      ParentId = b.ParentId,
                                                                                      Parent = b.Parent.Name ?? b.Parent.Version,
                                                                                      SoftwareVersionId = b.SoftwareVersionId,
                                                                                      SoftwareVersion =
                                                                                          b.SoftwareVersion.Name ??
                                                                                          b.SoftwareVersion.Version,
                                                                                      MinimumMemory     = b.MinimumMemory,
                                                                                      RecommendedMemory = b.RecommendedMemory,
                                                                                      RequiredStorage   = b.RequiredStorage,
                                                                                      PartNumber        = b.PartNumber,
                                                                                      SerialNumber      = b.SerialNumber,
                                                                                      ProductCode       = b.ProductCode,
                                                                                      CatalogueNumber   = b.CatalogueNumber,
                                                                                      DistributionMode  = b.DistributionMode
                                                                                  })
                                                                                 .ToListAsync();

    public async Task<SoftwareVariantDto> GetAsync(ulong id) => await context.SoftwareVariants
                                                                         .Where(b => b.Id == id)
                                                                         .Select(b => new SoftwareVariantDto
                                                                          {
                                                                              Id         = b.Id,
                                                                              Name       = b.Name,
                                                                              Version    = b.Version,
                                                                              Introduced = b.Introduced,
                                                                              ParentId   = b.ParentId,
                                                                              Parent =
                                                                                  b.Parent.Name ?? b.Parent.Version,
                                                                              SoftwareVersionId = b.SoftwareVersionId,
                                                                              SoftwareVersion =
                                                                                  b.SoftwareVersion.Name ??
                                                                                  b.SoftwareVersion.Version,
                                                                              MinimumMemory     = b.MinimumMemory,
                                                                              RecommendedMemory = b.RecommendedMemory,
                                                                              RequiredStorage   = b.RequiredStorage,
                                                                              PartNumber        = b.PartNumber,
                                                                              SerialNumber      = b.SerialNumber,
                                                                              ProductCode       = b.ProductCode,
                                                                              CatalogueNumber   = b.CatalogueNumber,
                                                                              DistributionMode  = b.DistributionMode
                                                                          })
                                                                         .FirstOrDefaultAsync();

    public async Task UpdateAsync(SoftwareVariantDto dto, string userId)
    {
        SoftwareVariant model = await context.SoftwareVariants.FindAsync(dto.Id);

        if(model is null) return;

        model.Name              = dto.Name;
        model.Version           = dto.Version;
        model.Introduced        = dto.Introduced;
        model.ParentId          = dto.ParentId;
        model.SoftwareVersionId = dto.SoftwareVersionId;
        model.MinimumMemory     = dto.MinimumMemory;
        model.RecommendedMemory = dto.RecommendedMemory;
        model.RequiredStorage   = dto.RequiredStorage;
        model.PartNumber        = dto.PartNumber;
        model.SerialNumber      = dto.SerialNumber;
        model.ProductCode       = dto.ProductCode;
        model.CatalogueNumber   = dto.CatalogueNumber;
        model.DistributionMode  = dto.DistributionMode;

        await context.SaveChangesWithUserAsync(userId);
    }

    public async Task<ulong> CreateAsync(SoftwareVariantDto dto, string userId)
    {
        var model = new SoftwareVariant
        {
            Name              = dto.Name,
            Version           = dto.Version,
            Introduced        = dto.Introduced,
            ParentId          = dto.ParentId,
            SoftwareVersionId = dto.SoftwareVersionId,
            MinimumMemory     = dto.MinimumMemory,
            RecommendedMemory = dto.RecommendedMemory,
            RequiredStorage   = dto.RequiredStorage,
            PartNumber        = dto.PartNumber,
            SerialNumber      = dto.SerialNumber,
            ProductCode       = dto.ProductCode,
            CatalogueNumber   = dto.CatalogueNumber,
            DistributionMode  = dto.DistributionMode
        };

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

        return model.Id;
    }

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

        if(item is null) return;

        context.SoftwareVariants.Remove(item);

        await context.SaveChangesWithUserAsync(userId);
    }
}