using Fake.Application;
using Microsoft.AspNetCore.Mvc;
using Oms.Application.Dtos.Shared;
using Oms.Application.Dtos.Warehouse;
using Oms.Domain.WarehouseAggregate.Entities;

namespace Oms.Application.Services.Warehouse;

public partial class WarehouseService
{
    /// <summary>
    /// 查询库位列表。
    /// </summary>
    /// <param name="input">入参：仓库 ID 与筛选条件。</param>
    /// <returns>库位列表。</returns>
    [HttpPost("/warehouse/bin-location/list")]
    public async Task<OmsItemsResult<WarehouseBinLocationOutput>> GetBinLocationListAsync(WarehouseBinLocationListInput input)
    {
        if (input.WarehouseId <= 0)
        {
            throw new BusinessException("仓库ID不能为空");
        }

        var keyword = input.Keyword?.Trim();
        var hasKeyword = !string.IsNullOrWhiteSpace(keyword);
        var hasEnabledFilter = input.IsEnabled.HasValue;
        var isEnabledValue = input.IsEnabled.GetValueOrDefault();
        var items = await BinLocationRepository.GetListAsync(x =>
            x.WarehouseId == input.WarehouseId
            && (!hasEnabledFilter || x.IsEnabled == isEnabledValue)
            && (!hasKeyword || x.BinCode.Contains(keyword!) || (x.BinName != null && x.BinName.Contains(keyword!))));
        items = items.OrderBy(x => x.BinCode).ThenBy(x => x.Id).ToList();

        return new OmsItemsResult<WarehouseBinLocationOutput>
        {
            Items = items.Select(MapBinLocation).ToList()
        };
    }

    /// <summary>
    /// 保存库位（新增或编辑）。
    /// </summary>
    /// <param name="input">入参：库位保存数据。</param>
    /// <returns>保存后的库位。</returns>
    [HttpPost("/warehouse/bin-location/save")]
    public async Task<WarehouseBinLocationOutput> SaveBinLocationAsync(WarehouseBinLocationSaveInput input)
    {
        var binCode = input.BinCode.Trim();
        if (string.IsNullOrWhiteSpace(binCode))
        {
            throw new BusinessException("库位编码不能为空");
        }

        CBinLocation entity;
        if (input.Id > 0)
        {
            entity = await BinLocationRepository.FirstOrDefaultAsync(x => x.Id == input.Id)
                     ?? throw new BusinessException("库位不存在");
            if (entity.WarehouseId != input.WarehouseId)
            {
                throw new BusinessException("库位仓库不匹配");
            }
        }
        else
        {
            entity = new CBinLocation { WarehouseId = input.WarehouseId };
        }

        var duplicate = await BinLocationRepository.FirstOrDefaultAsync(x =>
            x.WarehouseId == input.WarehouseId && x.BinCode == binCode && x.Id != entity.Id);
        if (duplicate != null)
        {
            throw new BusinessException("库位编码已存在");
        }

        entity.BinCode = binCode;
        entity.BinName = string.IsNullOrWhiteSpace(input.BinName) ? null : input.BinName.Trim();
        entity.ZoneCode = string.IsNullOrWhiteSpace(input.ZoneCode) ? null : input.ZoneCode.Trim();
        entity.IsEnabled = input.IsEnabled;
        entity.Remark = string.IsNullOrWhiteSpace(input.Remark) ? null : input.Remark.Trim();

        if (input.Id > 0)
        {
            await BinLocationRepository.UpdateAsync(entity);
        }
        else
        {
            await BinLocationRepository.InsertAsync(entity);
        }

        return MapBinLocation(entity);
    }

    private static WarehouseBinLocationOutput MapBinLocation(CBinLocation entity) =>
        new()
        {
            Id = entity.Id,
            WarehouseId = entity.WarehouseId,
            BinCode = entity.BinCode,
            BinName = entity.BinName,
            ZoneCode = entity.ZoneCode,
            IsEnabled = entity.IsEnabled,
            Remark = entity.Remark
        };
}