using System.Linq.Expressions;
using Microsoft.Extensions.Localization;
using SJZY.Expand.ABP.Core.Localization;
using SJZY.Track.Application.Dtos.TrackTemplates;
using SJZY.Track.Application.Localization;
using SJZY.Track.Domain.Aggregates.TrackTemplateAggregate;
using SJZY.Track.Domain.Dtos.TrackTemplate;
using Volo.Abp.DependencyInjection;

namespace SJZY.Track.Application.Services.TrackTemplates;

/// <summary>
/// 轨迹模版
/// </summary>
[ApiExplorerSettings(GroupName = "轨迹模版")]
[Route("/Track/Template")]
public class TrackTemplateService : ApplicationService, ITransientDependency
{
    private readonly IStringLocalizer<TrackLocalizationResource> _stringLocalizer;
    private readonly ITrackTemplateRepository _trackTemplateRepository;

    /// <inheritdoc/>
    public TrackTemplateService(
        IStringLocalizer<TrackLocalizationResource> stringLocalizer,
        ITrackTemplateRepository trackTemplateRepository)
    {
        _stringLocalizer = stringLocalizer;
        _trackTemplateRepository = trackTemplateRepository;
    }

    /// <summary>
    /// 轨迹模版编辑
    /// </summary>
    /// <returns></returns>
    [HttpPost("Edit")]
    public async Task<UnifyResultDto> EditAsync(EditTrackTemplateInput input)
    {
        return input.Options switch
        {
            OptionType.新增 => await AddAsync(input),
            OptionType.修改 => await UpdateAsync(input),
            OptionType.删除 => await DeleteAsync(input),
            _ => throw new BusinessException(message: "当前操作动作不合法")
        };
    }

    /// <summary>
    /// 根据模版id获取轨迹模版
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    [HttpGet("GetDetail")]
    public async Task<UnifyResultDto<GetTrackTemplateDetailDto>> GetDetailAsync(int id)
    {
        var detailInfo = await _trackTemplateRepository.GetDetailAsync(id);
        if (detailInfo == null)
        {
            return new UnifyResultDto<GetTrackTemplateDetailDto>(false, null, "未查询到轨迹模版");
        }

        var dto = ObjectMapper.Map<GetTrackTemplateDetailVO, GetTrackTemplateDetailDto>(detailInfo);
        return new UnifyResultDto<GetTrackTemplateDetailDto>("200", "", dto);
    }

    /// <summary>
    /// 获取分页轨迹模版
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("GetList")]
    public async Task<UnifyPageResultDto<GetTrackTemplateListDto>> GetPageTrackTemplate(GetPageTrackTemplateInput input)
    {
        var vo = ObjectMapper.Map<GetPageTrackTemplateInput, GetPageTrackTemplateVO>(input);
        var resultDto = await _trackTemplateRepository.GetPageTrackTemplate(vo);
        var pageResultDto =
            ObjectMapper.Map<UnifyPageResultDto<GetTrackTemplateListVO>, UnifyPageResultDto<GetTrackTemplateListDto>>(
                resultDto);

        return pageResultDto;
    }

    #region 私有方法

    private async Task<UnifyResultDto> AddAsync(EditTrackTemplateInput input)
    {
        #region 业务校验
        //校验模版代码唯一性
        var templateEntity = await _trackTemplateRepository.GetFirstAsync(a => a.SubSystemId == input.SubSystemId &&a.Code==input.Code);
        if (templateEntity != null)
        {
            throw new BusinessException(message: _stringLocalizer["TemplateExist"]);
        }
        #endregion

        var entity = ObjectMapper.Map<EditTrackTemplateInput, TrackTemplateEntity>(input);
        var isTrue = await _trackTemplateRepository.InsertAsync(entity);

        return new UnifyResultDto("200", "新增成功", isTrue);
    }

    private async Task<UnifyResultDto> UpdateAsync(EditTrackTemplateInput input)
    {
        #region 业务校验
        var isExist = await _trackTemplateRepository.GetFirstAsync(a => a.Id!=input.Id && a.SubSystemId == input.SubSystemId &&a.Code==input.Code);
        if (isExist != null)
        {
            throw new BusinessException(message: _stringLocalizer["TemplateExist"]);
        }
        #endregion

        var templateEntity = await _trackTemplateRepository.GetFirstAsync(a => a.Id == input.Id);
        ObjectMapper.Map(input, templateEntity);
        var isTrue = await _trackTemplateRepository.UpdateAsync(templateEntity);

        return new UnifyResultDto("200", "修改成功", isTrue);
    }

    private async Task<UnifyResultDto> DeleteAsync(EditTrackTemplateInput input)
    {
        #region 业务校验
        //到时候，得判断这个模版有没有在轨迹映射里面被使用过，如果被使用就抛出提示
        #endregion
        var isTrue = await _trackTemplateRepository.SoftDeleteAsync(x => x.Id == input.Id);

        return new UnifyResultDto("200", "删除成功", isTrue);
    }

    #endregion 私有方法

    /// <summary>
    /// 轨迹模板内容列表
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("GetContentPage")]
    public async Task<UnifyPageResultDto<GetTrackTemplateContentPageOutputVO>> GetContentPageAsync(
        [FromBody] GetTrackTemplateContentPageInputVO input)
    {
        return await _trackTemplateRepository.GetContentPageAsync(input);
    }

    /// <summary>
    /// 轨迹模板内容详情
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    [HttpGet("GetContentDetail")]
    public async Task<GetTrackTemplateContentDetailOutputVO> GetContentDetailAsync(int id)
    {
        return await _trackTemplateRepository.GetContentDetailAsync(id);
    }

    /// <summary>
    /// 轨迹模板内容编辑
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("EditContent")]
    public async Task<bool> EditContentAsync([FromBody] EditTrackTemplateContentInput input)
    {
        if (input.Options != OptionTypeNoNull.删除)
        {
            Expression<Func<TrackTemplateContentEntity, bool>> isAnyExp = x =>
                x.TrackTemplateId == input.TrackTemplateId && x.TrackContentId == input.TrackContentId;
            if (input.Options == OptionTypeNoNull.修改) isAnyExp.And(x => x.Id != input.Id);

            if (await _trackTemplateRepository.IsContentAnyAsync(isAnyExp))
                throw new BusinessException(message: _stringLocalizer["IsTrackTemplateContentAny"]);
        }

        switch (input.Options)
        {
            case OptionTypeNoNull.新增:

                var entity = ObjectMapper.Map<EditTrackTemplateContentInput, TrackTemplateContentEntity>(input);

                await _trackTemplateRepository.InsertContentAsync(entity);

                break;

            case OptionTypeNoNull.修改:

                var oldEntity = await _trackTemplateRepository.GetContentByIdAsync(input.Id!.Value) ??
                                throw new BusinessException(message: _stringLocalizer["NotFindData"]);

                ObjectMapper.Map(input, oldEntity);

                await _trackTemplateRepository.UpdateContentAsync(oldEntity);

                break;

            case OptionTypeNoNull.删除:

                await _trackTemplateRepository.SoftDeleteContentAsync(input.Id!.Value);

                break;

            default:
                throw new BusinessException(message: _stringLocalizer[SjzyBasicLocalization.Validation_IsInEnum,
                    nameof(EditTrackTemplateContentInput.Options)]);
        }

        return true;
    }
}