using CMS.Plugin.HIAWms.Application.Contracts.Dtos.Samples;
using CMS.Plugin.HIAWms.Application.Contracts.Services;
using CMS.Plugin.HIAWms.Domain.Samples;
using CMS.Plugin.HIAWms.Domain.Shared;
using CMS.Plugin.HIAWms.Domain.Shared.Samples;
using Volo.Abp;
using Volo.Abp.Application.Dtos;
using Volo.Abp.Data;
using Volo.Abp.ObjectExtending;

namespace CMS.Plugin.HIAWms.Application.Implements;

/// <inheritdoc />
public class SampleAppService : CMSPluginAppService, ISampleAppService
{
    private readonly ISampleRepository _sampleRepository;

    /// <summary>
    /// Initializes a new instance of the <see cref="SampleAppService"/> class.
    /// </summary>
    /// <param name="sampleRepository">The task job repository.</param>
    public SampleAppService(ISampleRepository sampleRepository)
    {
        _sampleRepository = sampleRepository;
    }

    /// <inheritdoc />
    public virtual async Task<SampleDto> GetAsync(Guid id)
    {
        return ObjectMapper.Map<Sample, SampleDto>(await _sampleRepository.GetAsync(id));
    }

    /// <inheritdoc />
    public virtual async Task<PagedResultDto<SampleDto>> GetListAsync(GetSamplesInput input)
    {
        Check.NotNull(input, nameof(input));

        if (input.Sorting.IsNullOrWhiteSpace())
        {
            input.Sorting = nameof(Sample.Sort);
        }

        var specification = new SampleSpecification(input.Name);
        var count = await _sampleRepository.GetCountAsync(input.Filter, specification);
        var list = await _sampleRepository.GetListAsync(input.Sorting, input.MaxResultCount,  input.SkipCount, input.Filter, specification);

        return new PagedResultDto<SampleDto>(count, ObjectMapper.Map<List<Sample>, List<SampleDto>>(list));
    }

    /// <inheritdoc />
    public virtual async Task<SampleDto> CreateAsync(SampleCreateDto input)
    {
        await CheckCreateOrUpdateDtoAsync(input);

        var exist = await _sampleRepository.NameExistAsync(input.Name);
        if (exist)
        {
            throw new UserFriendlyException(L[CMSPluginDomainErrorCodes.NameAlreadyExists, input.Name]);
        }

        var maxSort = await _sampleRepository.GetMaxSortAsync();
        var sort = input.Sort ?? maxSort;
        var sample = new Sample(GuidGenerator.Create(), input.Code, input.Name, sort, input.Remark);
        input.MapExtraPropertiesTo(sample, MappingPropertyDefinitionChecks.None);

        await _sampleRepository.InsertAsync(sample);

        if (input.Sort.HasValue && sample.Sort != maxSort)
        {
            await AdjustSortAsync(sample.Id, sample.Sort);
        }

        return ObjectMapper.Map<Sample, SampleDto>(sample);
    }

    /// <inheritdoc />
    public virtual async Task<SampleDto> UpdateAsync(Guid id, SampleUpdateDto input)
    {
        await CheckCreateOrUpdateDtoAsync(input);

        var sample = await _sampleRepository.GetAsync(id);
        var exist = await _sampleRepository.NameExistAsync(input.Name, sample.Id);
        if (exist)
        {
            throw new UserFriendlyException(L[CMSPluginDomainErrorCodes.NameAlreadyExists, input.Name]);
        }

        sample.SetConcurrencyStampIfNotNull(input.ConcurrencyStamp);
        input.MapExtraPropertiesTo(sample, MappingPropertyDefinitionChecks.None);

        sample.Update(input.Code, input.Name, input.Remark);

        await _sampleRepository.UpdateAsync(sample);

        return ObjectMapper.Map<Sample, SampleDto>(sample);
    }

    /// <inheritdoc />
    public async Task<List<SampleDto>> CloneAsync(IEnumerable<Guid> ids)
    {
        var samples = new List<Sample>();
        if (ids != null)
        {
            var sort = await _sampleRepository.GetMaxSortAsync();
            foreach (var id in ids)
            {
                var sample = await _sampleRepository.FindAsync(id);
                if (sample != null)
                {
                    var name = sample.Name + SampleConsts.CloneTag;
                    var notExist = false;
                    while (!notExist)
                    {
                        var exist = await _sampleRepository.NameExistAsync(name);
                        if (exist || samples.Any(x => x.Name == name))
                        {
                            name += SampleConsts.CloneTag;
                            continue;
                        }

                        notExist = true;
                    }

                    sample = await _sampleRepository.InsertAsync(sample.Clone(GuidGenerator.Create(), name, sort++));
                    samples.Add(sample);
                }
            }
        }

        return ObjectMapper.Map<List<Sample>, List<SampleDto>>(samples);
    }

    /// <inheritdoc />
    public virtual Task DeleteAsync(Guid id)
    {
        return _sampleRepository.DeleteAsync(id);
    }

    /// <inheritdoc />
    public async Task DeleteManyAsync(IEnumerable<Guid> ids)
    {
        foreach (var id in ids)
        {
            await DeleteAsync(id);
        }
    }

    /// <inheritdoc />
    public virtual async Task AdjustSortAsync(Guid id, int sort)
    {
        var list = await _sampleRepository.GetListAsync(nameof(Sample.Sort));
        if (list != null && list.Any())
        {
            var initSort = 1;
            list.ForEach(x => x.AdjustSort(initSort++));
            var entity = list.FirstOrDefault(x => x.Id == id);
            if (entity != null)
            {
                if (sort == 1)
                {
                    list.Where(x => x.Id != id).ToList()?.ForEach(x => x.AdjustSort(x.Sort + 1));
                }
                else if (entity.Sort > sort)
                {
                    list.Where(x => x.Id != id && x.Sort >= sort).ToList()?.ForEach(x => x.AdjustSort(x.Sort + 1));
                    list.Where(x => x.Id != id && x.Sort < sort).ToList()?.ForEach(x => x.AdjustSort(x.Sort - 1));
                }
                else if (entity.Sort < sort)
                {
                    list.Where(x => x.Id != id && x.Sort > sort).ToList()?.ForEach(x => x.AdjustSort(x.Sort + 1));
                    list.Where(x => x.Id != id && x.Sort <= sort).ToList()?.ForEach(x => x.AdjustSort(x.Sort - 1));
                }

                entity.AdjustSort(sort);
            }
        }

        await _sampleRepository.UpdateManyAsync(list);
    }

    /// <inheritdoc />
    public async Task ImportAsync(SamplesImportModel input)
    {
        Check.NotNull(input, nameof(input));

        var sampleCreateDtos = new List<(int RowIndex, SampleCreateDto Item)>();
        var sampleUpdateDtos = new List<(int RowIndex, Guid Id, SampleUpdateDto Item)>();
        var samples = input.Samples;

        if (samples != null && samples.Any())
        {
            #region 导入校验

            // 判断名称是否重复，并输出第几行重复
            var duplicateSamples = samples.GroupBy(x => x.Name).Where(x => x.Count() > 1).ToList();
            if (duplicateSamples?.Any() == true)
            {
                var duplicateSampleMsgs = duplicateSamples.Select(x => $"第 {string.Join(",", x.Select(x => x.RowIndex))} 行：{x.Key}  名称重复");
                var errorMsg = $"导入失败！配置， {string.Join(",", duplicateSampleMsgs)}，终止导入";
                throw new UserFriendlyException(errorMsg);
            }

            #endregion

            foreach (var sample in samples)
            {
                if (sample.Code.IsNullOrWhiteSpace() && sample.Name.IsNullOrWhiteSpace())
                {
                    continue;
                }

                if (sample.Name.IsNullOrWhiteSpace())
                {
                    var errorMsg = $"导入失败！配置，第{sample.RowIndex}行：Sample名称不能为空";
                    throw new UserFriendlyException(errorMsg);
                }

                var oldSample = await _sampleRepository.FindByNameAsync(sample.Name);
                if (oldSample != null)
                {
                    var sampleUpdateDto = new SampleUpdateDto
                    {
                        Code = sample.Code,
                        Name = sample.Name,
                        Remark = sample.Remark,
                    };

                    sampleUpdateDtos.Add((sample.RowIndex, oldSample.Id, sampleUpdateDto));
                }
                else
                {
                    var sampleCreateDto = new SampleCreateDto
                    {
                        Code = sample.Code,
                        Name = sample.Name,
                        Remark = sample.Remark,
                    };

                    sampleCreateDtos.Add((sample.RowIndex, sampleCreateDto));
                }
            }
        }

        // 新增
        foreach (var sampleDto in sampleCreateDtos)
        {
            try
            {
                await CreateAsync(sampleDto.Item);
            }
            catch (Exception e)
            {
                var errorMsg = $"导入失败！配置，第{sampleDto.RowIndex}行：{e.Message}，终止导入";
                throw new UserFriendlyException(errorMsg);
            }
        }

        // 更新
        foreach (var sampleDto in sampleUpdateDtos)
        {
            try
            {
                await UpdateAsync(sampleDto.Id, sampleDto.Item);
            }
            catch (Exception e)
            {
                var errorMsg = $"导入失败！配置，第{sampleDto.RowIndex}行：{e.Message}，终止导入";
                throw new UserFriendlyException(errorMsg);
            }
        }
    }

    /// <inheritdoc />
    public async Task<(Dictionary<string, object> Sheets, string FileName)> ExportAsync(GetSamplesInput input)
    {
        Check.NotNull(input, nameof(input));

        if (input.Sorting.IsNullOrWhiteSpace())
        {
            input.Sorting = nameof(Sample.Sort);
        }

        var specification = new SampleSpecification(input.Name);
        var list = await _sampleRepository.GetListAsync(input.Sorting, input.MaxResultCount, input.SkipCount, input.Filter, specification, includeDetails: true);
        var result = ObjectMapper.Map<List<Sample>, List<SampleDto>>(list);

        var sheets = new Dictionary<string, object>
        {
            ["配置"] = result.Select(x => x.GetExportData()).ToList(),
        };

        var fileName = result.Count > 1 ? "Sample列表" : result.Count == 1 ? result.First()?.Name : "Sample模版";
        return (sheets, fileName);
    }

    /// <summary>
    /// Checks the create or update dto asynchronous.
    /// </summary>
    /// <param name="input">The input.</param>
    protected Task CheckCreateOrUpdateDtoAsync(SampleCreateOrUpdateDtoBase input)
    {
        Check.NotNull(input, nameof(input));
        Check.NotNullOrWhiteSpace(input.Code, "编号", SampleConsts.MaxCodeLength);
        Check.NotNullOrWhiteSpace(input.Name, "名称", SampleConsts.MaxNameLength);
        Check.Length(input.Remark, "备注", SampleConsts.MaxRemarkLength);
        return Task.CompletedTask;
    }
}