using System.Dynamic;
using Nest;
using Newtonsoft.Json.Linq;
using SJZY.Expand.ABP.Core.PublicMethords;
using SJZY.Track.Application.Contract.Dtos.Forewarning;
using SJZY.Track.Domain.Aggregates.ForewarningAggregate;
using SJZY.Track.Domain.Dtos.Common;
using SJZY.Track.Domain.Dtos.Forewarning;
using SJZY.Track.Share.Enums;

namespace SJZY.Track.Application.Helpers;

public class ForewarningHelper
{
    /// <summary>
    /// 递推分裂预警规则列表
    /// </summary>
    /// <param name="statusSpans"></param>
    /// <param name="factors"></param>
    /// <returns></returns>
    public static List<WarningRuleEntity> CalcRuleList(List<WarningNitifyDto> statusSpans,
        List<WarningFactorDto> factors)
    {
        if (statusSpans.Count == 0 || factors.Count == 0)
        {
            throw new BusinessException(message: "轨迹状态区间或因素列表为空");
        }

        var len = statusSpans.Count * factors.Select(f => f.FactorValue.Count).Aggregate((pre, cur) => pre * cur);
        if (len == 0)
        {
            throw new BusinessException(message: "轨迹状态区间或因素列表为空");
        }

        var rules = Enumerable.Range(0, len).Select(_ => new WarningRuleEntity()).ToList();

        var repeat = len / statusSpans.Count;

        FillStatus(statusSpans, rules, repeat);

        foreach (var factor in factors)
        {
            var factorValueCount = factor.FactorValue.Count;

            // repeat梯度下降，与times成反比关系
            repeat /= factorValueCount;
            var times = len / repeat / factorValueCount;
            FillFactor(factor, rules, repeat, times);
        }


        return rules;
    }

    private static void FillStatus(List<WarningNitifyDto> statusSpans, List<WarningRuleEntity> rules, int repeat)
    {
        var row = 0;
        foreach (var span in statusSpans)
        {
            for (var i = 0; i < repeat; i++, row++)
            {
                rules[row].StartTrackStatusId = span.StartTrackStatusId;
                rules[row].StartTrackStatus = span.StartTrackStatus;
                rules[row].EndTrackStatusId = span.EndTrackStatusId;
                rules[row].EndTrackStatus = span.EndTrackStatus;
            }
        }
    }

    private static void FillFactor(WarningFactorDto factor, List<WarningRuleEntity> rules, int repeat, int times)
    {
        var row = 0;
        for (var i = 0; i < times; i++)
        {
            foreach (var value in factor.FactorValue)
            {
                var strValue = value.ToString();
                if (strValue.IsNullOrEmpty())
                {
                    throw new BusinessException(message: "因素值不能为空");
                }

                for (var j = 0; j < repeat; j++, row++)
                {
                    switch (factor.FactorType)
                    {
                        case RuleFactorType.CargoType:
                            if (value.Type is not JTokenType.String)
                            {
                                throw new BusinessException(message: "货物类型只接收字符串");
                            }

                            rules[row].CargoType = strValue;
                            break;
                        case RuleFactorType.Months:
                            foreach (var item in strValue.Split("/"))
                            {
                                if (!int.TryParse(item, out var month) || month < 1 || month > 12)
                                {
                                    throw new BusinessException(message: "请输入合法的月份，多个月份请以'/'连接");
                                }
                            }

                            rules[row].Months = strValue;
                            break;
                        case RuleFactorType.Area:
                            if (value.Type is not JTokenType.Integer)
                            {
                                throw new BusinessException(message: "分区请传id");
                            }

                            rules[row].AreaId = int.Parse(strValue);
                            break;
                        case RuleFactorType.IsTransit:
                            if (value.Type is not JTokenType.Boolean)
                            {
                                throw new BusinessException(message: "是否中转只接收bool类型");
                            }

                            rules[row].IsTransit = bool.Parse(strValue);
                            break;
                        case RuleFactorType.LeavePort:
                            if (value.Type is not JTokenType.String)
                            {
                                throw new BusinessException(message: "起运港只接收字符串");
                            }

                            rules[row].LeavePort = strValue;
                            break;
                        case RuleFactorType.ProductCode:
                            if (value.Type is not JTokenType.String)
                            {
                                throw new BusinessException(message: "产品代码只接收字符串");
                            }

                            rules[row].ProductCode = strValue;
                            break;
                        default:
                            throw new BusinessException(message: $"不支持的因素：{factor.FactorType}");
                    }
                }
            }
        }
    }

    public static List<WarningFactorEntity> MapFactorEntities(List<WarningFactorDto> warningFactors)
    {
        return warningFactors.Select(x => new WarningFactorEntity
        {
            Type = x.FactorType,
            Value = x.FactorValue.ToJson()
        }).ToList();
    }

    public static List<WarningNotifyEntity> MapNotifyEntities(CreateWarningInput input)
    {
        return input.TrackStatusSpans.Select(x => new WarningNotifyEntity
        {
            StartTrackStatusId = x.StartTrackStatusId,
            EndTrackStatusId = x.EndTrackStatusId,
            NotifyMode = input.NotifyMode,
            NotifyTemplate = input.NotifyTemplate,
            NotifyUserId = x.NotifyUserId
        }).ToList();
    }

    public static EditWarningOutput MapWarningSummary(WarningEntity warning, List<IdWithNameDto> statusList)
    {
        var statusDic = statusList.ToDictionary(x => x.Id, x => x.Name);
        return new EditWarningOutput
        {
            Name = warning.Name,
            SubSystemId = warning.SubSystemId,
            CustomerId = warning.CustomerId,
            NotifyMode = warning.WarningNotifies.First().NotifyMode,
            NotifyTemplate = warning.WarningNotifies.First().NotifyTemplate,
            TrackStatusSpans = warning.WarningNotifies.Select(x => new WarningNotifyWithIdDto
            {
                Id = x.Id,
                StartTrackStatusId = x.StartTrackStatusId,
                StartTrackStatus = statusDic.TryGetValue(x.StartTrackStatusId, out var start) ? start : "",
                EndTrackStatusId = x.EndTrackStatusId,
                EndTrackStatus = statusDic.TryGetValue(x.EndTrackStatusId, out var end) ? end : "",
                NotifyUserId = x.NotifyUserId,
            }).ToList(),
            WarningFactors = warning.WarningFactors.Select(x => new WarningFactorWithIdDto
            {
                Id = x.Id,
                FactorType = x.Type,
                FactorValue = JArray.Parse(x.Value),
            }).ToList()
        };
    }

    public static List<dynamic> DynamicCalcRuleList(List<WarningRuleVo> rules, List<RuleFactorType> factors)
    {
        var dynamicList = new List<dynamic>();

        foreach (var rule in rules)
        {
            dynamic dynamicRule = new ExpandoObject();
            var dynamicRuleDict = (IDictionary<string, object?>)dynamicRule;

            dynamicRuleDict[nameof(Id)] = rule.Id;
            dynamicRuleDict[nameof(rule.StartTrackStatus)] = rule.StartTrackStatus;
            dynamicRuleDict[nameof(rule.EndTrackStatus)] = rule.EndTrackStatus;

            foreach (var factor in factors)
            {
                switch (factor)
                {
                    case RuleFactorType.CargoType:
                        dynamicRuleDict[nameof(rule.CargoType)] = rule.CargoType;
                        break;
                    case RuleFactorType.Months:
                        dynamicRuleDict[nameof(rule.Months)] = rule.Months;
                        break;
                    case RuleFactorType.Area:
                        dynamicRuleDict[nameof(rule.Area)] = rule.Area;
                        break;
                    case RuleFactorType.IsTransit:
                        dynamicRuleDict[nameof(rule.IsTransit)] = rule.IsTransit;
                        break;
                    case RuleFactorType.LeavePort:
                        dynamicRuleDict[nameof(rule.LeavePort)] = rule.LeavePort;
                        break;
                    case RuleFactorType.ProductCode:
                        dynamicRuleDict[nameof(rule.ProductCode)] = rule.ProductCode;
                        break;
                    default:
                        throw new BusinessException(message: $"不支持的因素：{factor}");
                }
            }

            dynamicRuleDict[nameof(rule.TotalTimeSpan)] = rule.TotalTimeSpan;
            dynamicRuleDict[nameof(rule.WarnTimeSpan)] = rule.WarnTimeSpan;
            dynamicRuleDict[nameof(rule.WarnCount)] = rule.WarnCount;
            dynamicList.Add(dynamicRule);
        }

        return dynamicList;
    }
}