using System.Diagnostics.CodeAnalysis;
using AutoMapper;
using SJZY.Track.Application.Helpers;
using SJZY.Track.Domain.Aggregates.ForewarningAggregate;
using SJZY.Track.Domain.Dtos.Forewarning;
using SqlSugar;

namespace SJZY.Track.Application.Services.ForewarningServices;

[ApiExplorerSettings(GroupName = "预警服务")]
[Route("/ForewarningService")]
public class ForewarningService: ApplicationService
{
    readonly IRuleRepository _ruleRepository;
    IRuleFactorRepository _ruleFactorRepository;
    private IRuleCollectRepository _ruleCollectRepository;
    
    public ForewarningService(IRuleRepository ruleRepository
        ,IRuleFactorRepository ruleFactorRepository
        , IRuleCollectRepository ruleCollectRepository)
    {
        _ruleRepository = ruleRepository;
        _ruleFactorRepository = ruleFactorRepository;
        _ruleCollectRepository = ruleCollectRepository;
    }
    
    /// <summary>
    /// 创建预警模板，存在则更新
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("ModifyForewarning")]
    public async ValueTask<UnifyResultDto> ModifyForewarning(CreateRuleFactorRequest input)
    {
        var factors = ObjectMapper.Map<CreateRuleFactorRequest,RuleFactorEntity>(input);
        var ruleCollects = ForewarningFactorHelper.GetFactorItem(factors);
        
        //todo 原子性没有保证,后续可能需要调整
        if (input.RuleId > 0)
        {
            await _ruleFactorRepository.DeleteByIdAsync(input.RuleId.ToString());
        }
        
        if (input.RuleId > 0)
        {
            var ruleTemplate = await _ruleRepository.GetFirstAsync(val=>val.Id == input.RuleId);
            if (ruleTemplate == null)
                return new UnifyResultDto(false,"规则不存在");
            
            ruleTemplate.Name = input.Name;
            ruleTemplate.CustomId = input.CustomId;

            await _ruleFactorRepository.IndexDocumentAsync(factors);
            await _ruleRepository.UpdateForewarning(ruleTemplate, ruleCollects);
            return new UnifyResultDto(true,"保存成功");
        }
        
        var newRuleTemplate = ObjectMapper.Map<CreateRuleFactorRequest, RuleEntity>(input);
        var ruleTemplateId = await _ruleRepository.CreateForewarning(newRuleTemplate, ruleCollects);
        factors.Id = ruleTemplateId.ToString();
        return new UnifyResultDto(true,"保存成功");
    }
    
    /// <summary>
    /// 修改时效
    /// </summary>
    [HttpPost("ModifyTimeliness")]
    public async ValueTask<UnifyResultDto> ModifyTimeliness(ModifyTimelinessRequest input)
    {
        var ruleIds = input.Items.Select(val=>val.Id).ToList();
        var ruleCollect = await _ruleCollectRepository.GetListAsync(val => ruleIds.Contains(val.Id) && val.RuleId == input.RuleId);
        if (ruleCollect == null|| ruleCollect.Count == 0)
            throw new BusinessException(message:"规则不存在");
        
        var ruleMaps = ruleCollect.ToDictionary(val => val.Id);
        var notModifyList = new List<int>();
        foreach (var item in input.Items)
        {
            if (!ruleMaps.TryGetValue(item.Id, out var rule))
            {
                notModifyList.Add(item.Id);
                continue;
            }
            
            rule.Remind= item.Remind;
            rule.Timeliness = item.Timeliness;
            rule.Count = item.Count;
        }
        
        await _ruleCollectRepository.UpdateRangeAsync(ruleCollect,val=>val.RuleId==input.RuleId);
        
        if (notModifyList.Count > 0)
            return new UnifyResultDto(true, $"更新成功，规则{string.Join(",", notModifyList)}不存在");
        
        return new UnifyResultDto(true, "更新成功");
    }
    
    /// <summary>
    /// 查询预警模板列表
    /// </summary>
    /// <returns></returns>
    [HttpPost("QueryForewarning")]
    public async Task<UnifyResultDto> QueryForewarning(QueryForewarningRequest input)
    {
        var result = await _ruleRepository.QueryForewarning(input);
        return new UnifyResultDto(true, result);
    }

    /// <summary>
    /// 查询预警规则列表
    /// </summary>
    [HttpPost("QueryForewarningRules")]
    public async Task<UnifyResultDto> QueryForewarningRules(QueryForewarningRuleRequest input)
    {
        var result = await _ruleCollectRepository.QueryForewarningRule(input);
        return new UnifyResultDto(true, result);
    }
    
    /// <summary>
    /// 发送预警通知
    /// </summary>
    [HttpPost("SendForewarningNotification")]
    public void SendForewarningNotification()
    {
        
    }
    
}