using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Volo.Abp;
using Volo.Abp.Application.Dtos;
using Volo.Abp.Caching;
using Volo.Abp.Domain.Repositories;
using Volo.Abp.Validation;
using Win_in.Sfs.Basedata.Application.Contracts;
using Win_in.Sfs.Basedata.Domain;
using Win_in.Sfs.Basedata.Domain.Shared;
using Win_in.Sfs.Shared.Domain;
using Win_in.Sfs.Shared.Domain.Shared;

namespace Win_in.Sfs.Basedata.Application;

[Authorize]
[Route($"{BasedataConsts.RootPath}item-basic")]
public class ItemBasicAppService
    : SfsBaseDataWithCodeAppServiceBase<ItemBasic, ItemBasicDTO, SfsBaseDataRequestInputBase, ItemBasicEditInput, ItemBasicImportInput>
        , IItemBasicAppService
{
    private readonly ItemValidator _itemValidator;
    private readonly IItemBasicManager _manager;
    private new readonly IItemBasicRepository _repository;

    public ItemBasicAppService(
        IItemBasicRepository repository,
        IDistributedCache<ItemBasicDTO> cache,
        ItemValidator itemValidator,
        IItemBasicManager manager)
        : base(repository, cache)
    {
        _repository = repository;
        _itemValidator = itemValidator;
        _manager = manager;
        base.CreatePolicyName = ItemBasicPermissions.Create;
        base.UpdatePolicyName = ItemBasicPermissions.Update;
        base.DeletePolicyName = ItemBasicPermissions.Delete;
    }

    protected ICategoryAppService _categoryApp => LazyServiceProvider.LazyGetRequiredService<ICategoryAppService>();
    protected IItemCategoryAppService _itemCategoryApp => LazyServiceProvider.LazyGetRequiredService<IItemCategoryAppService>();

    [HttpPost("check")]
    public virtual async Task CheckAsync(string code, ItemBasicCheckInput input)
    {
        var result = new AbpValidationResult();
        _itemValidator.CheckFormat(code);
        var dto = await GetByCodeAsync(code).ConfigureAwait(false);
        var entity = ObjectMapper.Map<ItemBasicDTO, ItemBasic>(dto);
        _itemValidator.CheckCanBuy(entity, input.CanBuy, result);
        _itemValidator.CheckCanMake(entity, input.CanMake, result);
        _itemValidator.CheckStatus(entity, input.Statuses, result);
        _itemValidator.CheckProject(entity, input.Projects, result);
        await _itemValidator.CheckCategoryAsync(entity, input.Categories, result).ConfigureAwait(false);
        if (result.Errors.Count > 0)
        {
            throw new AbpValidationException(result.Errors);
        }
    }

    /// <summary>
    /// 检物品状态 是否可用
    /// </summary>
    /// <param name="itemCode"></param>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    [HttpGet("check-item-is-available")]
    public virtual async Task<bool> CheckItemIsAvailable(string itemCode)
    {
        var entity = await _repository.FindAsync(c => c.Code == itemCode).ConfigureAwait(false);

        if (entity == null)
        {
            throw new UserFriendlyException($"未找到代码为 {itemCode} 的物品");
        }

        return entity.Status == EnumItemStatus.Active;
    }

    /// <summary>
    ///  检物品状态 是否可用(不查询数据库 直接根据对象判断)
    /// </summary>
    /// <param name="itemBasicDTO"></param>
    /// <returns></returns>
    [HttpGet("check-item-is-available-no-select-sql")]
    public void CheckItemIsAvailable(ItemBasicDTO itemBasicDTO)
    {
        if (itemBasicDTO != null && itemBasicDTO.Status != EnumItemStatus.Active)
        {
            throw new UserFriendlyException($"物料 {itemBasicDTO.Code} 状态为 {itemBasicDTO.Status} ，不是可用状态");
        }
    }

    [HttpGet("{id}")]
    public override async Task<ItemBasicDTO> GetAsync(Guid id)
    {
        var dto = await base.GetAsync(id).ConfigureAwait(false);

        dto.ItemCategoryDictionary = await GetItemCategory(dto.Code).ConfigureAwait(false);

        return dto;
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="name"></param>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    [HttpGet("list-by-name")]
    public virtual async Task<List<ItemBasicDTO>> GetListByNameAsync(string name)
    {
        var entities = await _repository.GetListAsync(c => c.Name == name).ConfigureAwait(false);
        var dtos = ObjectMapper.Map<List<ItemBasic>, List<ItemBasicDTO>>(entities);
        return dtos;
    }

    [HttpGet("get-manage-type")]
    public virtual async Task<EnumItemManageType> GetManageTypeAsync(string itemCode)
    {
        var entity = await GetByCodeAsync(itemCode).ConfigureAwait(false);
        Check.NotNull(entity, "物品代码", $"物品 {itemCode} 不存在");
        return entity.ManageType;
    }

    [HttpGet("get-manage-types")]
    public virtual async Task<Dictionary<string, EnumItemManageType>> GetManageTypesAsync(List<string> itemCodes)
    {
        var dtos = await GetByCodesAsync(itemCodes).ConfigureAwait(false);
        var itemManageTypes = dtos.ToDictionary(dto => dto.Code, dto => dto.ManageType);
        return itemManageTypes;
    }

    [HttpPost("get-or-add")]
    public virtual async Task<ItemBasicDTO> GetOrAddAsync(ItemBasicEditInput input)
    {
        var result = await _repository.FirstOrDefaultAsync(p => p.Code == input.Code).ConfigureAwait(false);
        if (result == null)
        {
            var entity = ObjectMapper.Map<ItemBasicEditInput, ItemBasic>(input);
            result = await _repository.InsertAsync(entity, true).ConfigureAwait(false);
        }

        var dto = ObjectMapper.Map<ItemBasic, ItemBasicDTO>(result);
        return dto;
    }

    [HttpPost("list")]
    public override async Task<PagedResultDto<ItemBasicDTO>> GetPagedListByFilterAsync(
        SfsBaseDataRequestInputBase sfsRequestInput,
        bool includeDetails = false,
        CancellationToken cancellationToken = default)
    {
        Expression<Func<ItemBasic, bool>> expression = sfsRequestInput.Condition.Filters?.Count > 0
                                                           ? sfsRequestInput.Condition.Filters.ToLambda<ItemBasic>()
                                                           : p => true;
        var pageResult = await GetPagedListAsync(
            expression,
            sfsRequestInput.SkipCount,
            sfsRequestInput.MaxResultCount,
            sfsRequestInput.Sorting,
            includeDetails,
            cancellationToken).ConfigureAwait(false);

        foreach (var item in pageResult.Items)
        {
            item.ItemCategoryDictionary = await GetItemCategory(item.Code).ConfigureAwait(false);
        }

        return pageResult;
    }

    [HttpPost("upsert")]
    public virtual async Task UpsertAsync(ItemBasicEditInput input)
    {
        var entity = ObjectMapper.Map<ItemBasicEditInput, ItemBasic>(input);
        await _repository.UpsertAsync(entity).ConfigureAwait(false);
    }
    [HttpPost("upsert-interface")]
    public virtual async Task UpsertAsyncByInterface(ItemBasicEditInput input)
    {
        var entity = ObjectMapper.Map<ItemBasicEditInput, ItemBasic>(input);
        await _repository.UpsertAsyncByInterface(entity).ConfigureAwait(false);
    }
    protected override Expression<Func<ItemBasic, bool>> BuildSearchExpression(string keyWord)
    {
        Expression<Func<ItemBasic, bool>> expression = p =>
            p.Code.Contains(keyWord)
            || p.Name.Contains(keyWord)
            || p.Desc1.Contains(keyWord)
            || p.Desc2.Contains(keyWord)
            || p.AbcClass.Contains(keyWord)
            || p.BasicUom.Contains(keyWord)
            || p.Elevel.Contains(keyWord)
            || p.Project.Contains(keyWord)
            || p.Version.Contains(keyWord);
        return expression;
    }

    private async Task<Dictionary<string, string>> GetItemCategory(string itemCode)
    {
        var itemCategorys = await this._itemCategoryApp.GetListByItemCode(itemCode).ConfigureAwait(false);

        return itemCategorys.ToDictionary(x => x.CategoryCode, y => y.Value);
    }
}