using System.ComponentModel.DataAnnotations;
using SJZY.Track.Application.Contract.Dtos.Common;
using SJZY.Track.Application.Contract.Dtos.Forewarning;
using SJZY.Track.Application.Contract.Services;
using SJZY.Track.Application.Helpers;
using SJZY.Track.Domain.Aggregates.ForewarningAggregate;
using SJZY.Track.Domain.Aggregates.TrackStatusAggregate;
using SJZY.Track.Domain.Dtos.Forewarning;
using SJZY.Track.Domain.Dtos.TrackStatus;
using SJZY.Track.Domain.Queries;

namespace SJZY.Track.Application.Services.ForewarningServices;

[ApiExplorerSettings(GroupName = "预警服务")]
[Route("/ForewarningService")]
public class ForewarningService : ApplicationService
{
    private readonly IWarningRepository _warningRepository;
    private readonly IForewarningCacheService _forewarningCacheService;

    public ForewarningService(IWarningRepository warningRepository, IForewarningCacheService forewarningCacheService)
    {
        _warningRepository = warningRepository;
        _forewarningCacheService = forewarningCacheService;
    }

    /// <summary>
    /// 获取预警分页列表
    /// </summary>
    /// <param name="inputVo"></param>
    /// <returns></returns>
    [HttpPost("GetWarningPageList")]
    public async Task<UnifyPageResultDto<WarningPageOutput>> GetWarningPageList(GetWarningPageInputVo inputVo)
    {
        if (!inputVo.KeyWord.IsNullOrEmpty()) inputVo.KeyWord = inputVo.KeyWord!.Trim();
        return await _warningRepository.GetWarningPageListAsync(inputVo);
    }

    /// <summary>
    /// 创建预警
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("CreateWarning")]
    public async Task<bool> CreateWarning(CreateWarningInput input)
    {
        var warning = ObjectMapper.Map<CreateWarningInput, WarningEntity>(input);

        if (await _warningRepository.IsAnyAsync(x =>
                x.SubSystemId == warning.SubSystemId && x.CustomerId == warning.CustomerId && x.Name == warning.Name))
        {
            throw new BusinessException(message: "该子系统下的客户已经存在一个同名预警: " + warning.Name);
        }

        warning.WarningRules = ForewarningHelper.CalcRuleList(input.TrackStatusSpans, input.WarningFactors);
        warning.WarningFactors = ForewarningHelper.MapFactorEntities(input.WarningFactors);
        warning.WarningNotifies = ForewarningHelper.MapNotifyEntities(input);
        await _warningRepository.CreateForewarningAsync(warning);
        return true;
    }

    /// <summary>
    /// 编辑预警
    /// </summary>
    /// <param name="warningId"></param>
    /// <param name="statusQuery"></param>
    /// <returns></returns>
    [HttpPost("EditWarning")]
    public async Task<EditWarningOutput> EditWarning(int warningId,
        [FromServices] IBasicQuery<TrackStatusEntity> statusQuery)
    {
        var warning = await _warningRepository.GetByIdAsync(warningId);

        if (warning == null)
        {
            throw new BusinessException(message: "预警不存在");
        }

        var statusList = await statusQuery.GetListAsync(x => x.SubSystemId == warning.SubSystemId, x =>
            new IdWithNameDto
            {
                Id = x.Id,
                Name = x.Status
            });

        return ForewarningHelper.MapWarningSummary(warning, statusList);
    }

    /// <summary>
    /// 更新预警
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("UpdateWarning")]
    public async Task<bool> UpdateWarning(UpdateWarningInput input)
    {
        var warning = await _warningRepository.GetFirstAsync(x => x.Id == input.Id);
        if (warning == null)
        {
            throw new BusinessException(message: "预警不存在");
        }

        if (await _warningRepository.IsAnyAsync(x =>
                x.SubSystemId == warning.SubSystemId && x.CustomerId == warning.CustomerId && x.Id != warning.Id &&
                x.Name == input.Name))
        {
            throw new BusinessException(message: "该子系统下的客户已经存在一个同名预警: " + warning.Name);
        }

        warning.SetName(input.Name);

        warning.WarningNotifies = input.Notifies.Select(x => new WarningNotifyEntity
        {
            Id = x.Id,
            NotifyMode = input.NotifyMode,
            NotifyTemplate = input.NotifyTemplate,
            NotifyUserId = x.NotifyUserId
        }).ToList();

        await _warningRepository.UpdateForewarningAsync(warning);
        
        return true;
    }

    /// <summary>
    /// 启用or禁用预警
    /// </summary>
    /// <param name="warningId">预警id</param>
    /// <param name="isEnable">是否启用</param>
    /// <returns></returns>
    [HttpPost("TurnWarning")]
    public async Task<bool> TurnWarning(int warningId, bool isEnable)
    {
        var warning = await _warningRepository.GetFirstAsync(x => x.Id == warningId);
        if (warning == null)
        {
            throw new BusinessException(message: "预警不存在");
        }

        if (isEnable)
        {
            if (await _warningRepository.IsAnyAsync(x =>
                    x.SubSystemId == warning.SubSystemId && x.CustomerId == warning.CustomerId && x.IsEnable))
            {
                throw new BusinessException(message: "该子系统下的客户已经存在一个启用的预警，请先禁用");
            }
        }

        warning.SetEnable(isEnable);

        await _warningRepository.TurnWarningAsync(warning);
        
        // 清除缓存
        await _forewarningCacheService.DeleteRulesAsync(warning.SubSystemId, warning.CustomerId);

        return true;
    }

    /// <summary>
    /// 查询预警规则列表
    /// </summary>
    /// <param name="warningId">预警规则id</param>
    /// <param name="factorQuery"></param>
    /// <returns></returns>
    [HttpGet("GetWarningRuleList")]
    public async Task<List<dynamic>> GetWarningRuleListAsync([Required] int warningId,
        [FromServices] IBasicQuery<WarningFactorEntity> factorQuery)
    {
        var factors = await factorQuery.GetListAsync(x => x.WarningId == warningId, x => x.Type);
        var rules = await _warningRepository.GetWarningRuleListAsync(warningId);

        var dynamicList = ForewarningHelper.DynamicCalcRuleList(rules, factors);
        return dynamicList;
    }

    /// <summary>
    /// 修改预警规则时效
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    /// <exception cref="BusinessException"></exception>
    [HttpPost("ModifyTimeSpans")]
    public async Task<bool> ModifyTimeSpans(ModifyTimeSpanInput input)
    {
        if (input.Items.IsNullOrEmpty()) return false;

        var warning = await _warningRepository.GetFirstAsync(x => x.Id == input.WarningId);
        if (warning == null)
        {
            throw new BusinessException(message: "预警不存在");
        }

        var warningRules = ObjectMapper.Map<List<WarningTimeSpanDto>, List<WarningRuleEntity>>(input.Items);

        await _warningRepository.ModifyTimeSpansAsync(warningRules);
        
        // 清除缓存
        await _forewarningCacheService.DeleteRulesAsync(warning.SubSystemId, warning.CustomerId);
        return true;
    }
}