using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using NCC.Common.Enum;
using NCC.Common.Filter;
using NCC.Common.Helper;
using NCC.Dependency;
using NCC.DynamicApiController;
using NCC.Extend.Entitys.Dto.LqSalary;
using Yitter.IdGenerator;
using NCC.Extend.Entitys.lq_attendance_summary;
using NCC.Extend.Entitys.lq_jinsanjiao_user;
using NCC.Extend.Entitys.lq_kd_jksyj;
using NCC.Extend.Entitys.lq_kd_kdjlb;
using NCC.Extend.Entitys.lq_md_target;
using NCC.Extend.Entitys.lq_person_times_record;
using NCC.Extend.Entitys.lq_salary_statistics;
using NCC.Extend.Entitys.lq_xh_jksyj;
using NCC.Extend.Entitys.lq_ycsd_jsj;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace NCC.Extend
{
    /// <summary>
    /// 薪酬服务
    /// </summary>
    [ApiDescriptionSettings(Tag = "薪酬服务", Name = "LqSalary", Order = 300)]
    [Route("api/Extend/[controller]")]
    public class LqSalaryService : IDynamicApiController, ITransient
    {
        private readonly ISqlSugarClient _db;

        /// <summary>
        /// 初始化一个<see cref="LqSalaryService"/>类型的新实例
        /// </summary>
        public LqSalaryService(ISqlSugarClient db)
        {
            _db = db;
        }

        /// <summary>
        /// 获取健康师工资列表
        /// </summary>
        /// <param name="input">查询参数</param>
        /// <returns>健康师工资分页列表</returns>
        [HttpGet("health-coach")]
        public async Task<PageResult<HealthCoachSalaryOutput>> GetHealthCoachSalaryList([FromQuery] HealthCoachSalaryInput input)
        {
            var monthStr = $"{input.Year}{input.Month:D2}";

            // 1. 检查当月是否已生成工资数据
            var exists = await _db.Queryable<LqSalaryStatisticsEntity>()
                .AnyAsync(x => x.StatisticsMonth == monthStr);

            // 2. 如果没有数据，则进行计算
            if (!exists)
            {
                await CalculateHealthCoachSalary(input.Year, input.Month);
            }

            // 3. 查询数据
            var query = _db.Queryable<LqSalaryStatisticsEntity>()
                .Where(x => x.StatisticsMonth == monthStr);

            if (!string.IsNullOrEmpty(input.StoreId))
            {
                query = query.Where(x => x.StoreId == input.StoreId);
            }

            if (!string.IsNullOrEmpty(input.Keyword))
            {
                query = query.Where(x => x.EmployeeName.Contains(input.Keyword) || x.EmployeeId.Contains(input.Keyword));
            }

            var list = await query.Select(x => new HealthCoachSalaryOutput
            {
                Id = x.Id,
                StoreName = x.StoreName,
                EmployeeName = x.EmployeeName,
                Position = x.Position,
                GoldTriangleTeam = x.GoldTriangleTeam,
                TotalPerformance = x.TotalPerformance,
                BasePerformance = x.BasePerformance,
                CooperationPerformance = x.CooperationPerformance,
                RewardPerformance = x.RewardPerformance,
                Consumption = x.Consumption,
                ProjectCount = x.ProjectCount,
                CustomerCount = x.CustomerCount,
                WorkingDays = x.WorkingDays,
                HealthCoachBaseSalary = x.HealthCoachBaseSalary,
                TotalCommission = x.TotalCommission,
                HandworkFee = x.HandworkFee,
                TotalSubsidy = x.TotalSubsidy,
                TotalDeduction = x.TotalDeduction,
                ActualSalary = x.ActualSalary,
                IsLocked = x.IsLocked,
                UpdateTime = x.UpdateTime
            })
            .ToPagedListAsync(input.currentPage, input.pageSize);

            return PageResult<HealthCoachSalaryOutput>.SqlSugarPageResult(list);
        }

        /// <summary>
        /// 计算健康师工资
        /// </summary>
        /// <param name="year">年份</param>
        /// <param name="month">月份</param>
        /// <returns></returns>
        [HttpPost("calculate/health-coach")]
        public async Task CalculateHealthCoachSalary(int year, int month)
        {
            var startDate = new DateTime(year, month, 1);
            var endDate = startDate.AddMonths(1).AddDays(-1);
            var monthStr = $"{year}{month:D2}";

            // 1. 获取基础数据

            // 1.1 业绩数据 (lq_kd_jksyj)
            var performanceList = await _db.Queryable<LqKdJksyjEntity>()
                .Where(x => x.Yjsj >= startDate && x.Yjsj <= endDate.AddDays(1) && x.IsEffective == 1)
                .ToListAsync();

            // 1.1.1 获取关联的开单记录(用于获取 sfskdd)
            var billingIds = performanceList.Select(x => x.Glkdbh).Distinct().ToList();
            var billingDict = await _db.Queryable<LqKdKdjlbEntity>()
                .Where(x => billingIds.Contains(x.Id))
                .ToDictionaryAsync(x => x.Id, x => x.Sfskdd);

            // 1.1.2 组合数据
            var performanceData = performanceList.Select(p => new
            {
                p.Jks,
                p.Jksxm,
                p.StoreId,
                p.Jksyj,
                p.ItemCategory,
                Sfskdd = billingDict.ContainsKey(p.Glkdbh) ? billingDict[p.Glkdbh] : null
            }).ToList();

            // 1.2 消耗数据 (lq_xh_jksyj)
            var consumptionList = await _db.Queryable<LqXhJksyjEntity>()
                .Where(x => x.Yjsj >= startDate && x.Yjsj <= endDate.AddDays(1) && x.IsEffective == 1)
                .ToListAsync();

            // 1.3 考勤数据 (lq_attendance_summary)
            var attendanceList = await _db.Queryable<LqAttendanceSummaryEntity>()
                .Where(x => x.Year == year && x.Month == month && x.IsEffective == 1)
                .ToListAsync();

            // 1.4 战队成员及顾问信息 (lq_jinsanjiao_user + lq_ycsd_jsj)
            var teamUserList = await _db.Queryable<LqJinsanjiaoUserEntity>()
                .Where(x => x.Month == monthStr && x.DeleteMark == 0)
                .ToListAsync();

            // 1.4.1 获取战队信息
            var teamIds = teamUserList.Select(x => x.JsjId).Distinct().ToList();
            var teamList = await _db.Queryable<LqYcsdJsjEntity>()
                .Where(x => teamIds.Contains(x.Id))
                .ToListAsync();
            var teamDict = teamList.ToDictionary(x => x.Id, x => x.Jsj);

            // 1.4.2 组合数据
            var teamMembers = teamUserList.Select(user => new
            {
                user.UserId,
                user.IsLeader,
                TeamId = user.JsjId,
                TeamName = teamDict.ContainsKey(user.JsjId) ? teamDict[user.JsjId] : (string)null
            }).ToList();

            // 1.5 到店人头 (lq_person_times_record)
            // 统计每个健康师的去重会员数
            var headcountList = await _db.Queryable<LqPersonTimesRecordEntity>()
                .Where(x => x.WorkMonth == monthStr && x.IsEffective == 1)
                .GroupBy(x => x.PersonId)
                .Select(x => new { PersonId = x.PersonId, Count = SqlFunc.AggregateDistinctCount(x.MemberId) })
                .ToListAsync();

            // 1.6 门店生命线 (lq_md_target)
            var storeTargets = await _db.Queryable<LqMdTargetEntity>()
                .Where(x => x.Month == monthStr)
                .ToListAsync();

            // 2. 聚合每个健康师的数据对象
            var employeeStats = new Dictionary<string, LqSalaryStatisticsEntity>();

            // 获取所有涉及的健康师ID
            var allEmployeeIds = performanceData.Select(x => x.Jks)
                .Union(consumptionList.Select(x => x.Jks))
                .Union(attendanceList.Select(x => x.UserId))
                .Union(teamMembers.Select(x => x.UserId))
                .Where(x => !string.IsNullOrEmpty(x))
                .Distinct()
                .ToList();

            foreach (var empId in allEmployeeIds)
            {
                var salary = new LqSalaryStatisticsEntity
                {
                    Id = YitIdHelper.NextId().ToString(),
                    EmployeeId = empId,
                    StatisticsMonth = monthStr,
                    CreateTime = DateTime.Now,
                    UpdateTime = DateTime.Now,
                    IsLocked = 0
                };

                // 填充基础信息 (姓名、门店)
                var perfRecord = performanceData.FirstOrDefault(x => x.Jks == empId);
                var consRecord = consumptionList.FirstOrDefault(x => x.Jks == empId);

                if (perfRecord != null)
                {
                    salary.EmployeeName = perfRecord.Jksxm;
                    salary.StoreId = perfRecord.StoreId;
                }
                else if (consRecord != null)
                {
                    salary.EmployeeName = consRecord.Jksxm;
                    salary.StoreId = consRecord.StoreId;
                }

                // 填充门店名称
                if (!string.IsNullOrEmpty(salary.StoreId))
                {
                    // 这里简单处理，实际可能需要缓存门店列表
                    // salary.StoreName = ... 
                }

                // 2.1 计算个人业绩
                var myPerf = performanceData.Where(x => x.Jks == empId).ToList();
                salary.BasePerformance = myPerf.Where(x => x.ItemCategory == "基础业绩").Sum(x => decimal.Parse(x.Jksyj ?? "0"));
                salary.CooperationPerformance = myPerf.Where(x => x.ItemCategory == "合作业绩").Sum(x => decimal.Parse(x.Jksyj ?? "0"));
                salary.TotalPerformance = myPerf.Sum(x => decimal.Parse(x.Jksyj ?? "0"));

                // 新客与升单业绩
                salary.NewCustomerPerformance = myPerf.Where(x => x.Sfskdd == "是").Sum(x => decimal.Parse(x.Jksyj ?? "0"));
                salary.UpgradePerformance = myPerf.Where(x => x.Sfskdd == "否").Sum(x => decimal.Parse(x.Jksyj ?? "0"));

                // 2.2 计算消耗和项目数
                var myCons = consumptionList.Where(x => x.Jks == empId).ToList();
                salary.Consumption = myCons.Sum(x => x.Jksyj ?? 0);
                salary.ProjectCount = myCons.Sum(x => x.KdpxNumber ?? 0);
                salary.HandworkFee = myCons.Sum(x => x.LaborCost ?? 0); // 使用 F_LaborCost

                // 2.3 考勤数据
                var myAtt = attendanceList.FirstOrDefault(x => x.UserId == empId);
                salary.WorkingDays = myAtt?.WorkDays ?? 0;
                salary.LeaveDays = myAtt?.LeaveDays ?? 0;

                // 2.4 到店人头
                var myHeadcount = headcountList.FirstOrDefault(x => x.PersonId == empId);
                salary.CustomerCount = myHeadcount?.Count ?? 0;

                // 2.5 战队信息 (初始)
                var myTeam = teamMembers.FirstOrDefault(x => x.UserId == empId);
                if (myTeam != null)
                {
                    salary.GoldTriangleId = myTeam.TeamId;
                    salary.GoldTriangleTeam = myTeam.TeamName ?? "";
                }

                employeeStats[empId] = salary;
            }

            // 3. 处理战队逻辑 (考勤规则)
            // 规则：若出勤天数 < 21天，则该健康师不计入战队，按单人计算。

            // 按战队分组
            var teamGroups = employeeStats.Values
                .Where(x => !string.IsNullOrEmpty(x.GoldTriangleId))
                .GroupBy(x => x.GoldTriangleId)
                .ToList();

            foreach (var group in teamGroups)
            {
                var validMembers = new List<LqSalaryStatisticsEntity>();
                var invalidMembers = new List<LqSalaryStatisticsEntity>();

                foreach (var member in group)
                {
                    if (member.WorkingDays >= 21)
                    {
                        validMembers.Add(member);
                    }
                    else
                    {
                        invalidMembers.Add(member);
                    }
                }

                // 对于无效成员，移除战队标识，视为单人
                foreach (var member in invalidMembers)
                {
                    member.GoldTriangleId = null;
                    member.GoldTriangleTeam = null;
                }

                // 计算有效战队的总业绩
                var teamTotalPerformance = validMembers.Sum(x => x.TotalPerformance);

                // 更新有效成员的战队业绩
                foreach (var member in validMembers)
                {
                    member.TeamPerformance = teamTotalPerformance;
                }
            }

            // 4. 计算薪资 (底薪 & 提成)
            foreach (var salary in employeeStats.Values)
            {
                // 4.1 底薪计算
                salary.HealthCoachBaseSalary = CalculateBaseSalary(salary.Consumption, salary.ProjectCount);

                // 4.2 提成计算
                // 单人业绩 <= 6000 无提成
                if (salary.TotalPerformance <= 6000)
                {
                    salary.TotalCommission = 0;
                    salary.BasePerformanceCommission = 0;
                    salary.CooperationPerformanceCommission = 0;
                    salary.ConsultantCommission = 0;
                }
                else
                {
                    // 确定提成点
                    decimal commissionPoint = 0;

                    if (!string.IsNullOrEmpty(salary.GoldTriangleId))
                    {
                        // 是战队成员
                        // 获取战队人数 (注意：这里应该是有效战队人数)
                        var teamMemberCount = employeeStats.Values.Count(x => x.GoldTriangleId == salary.GoldTriangleId);
                        commissionPoint = GetTeamCommissionPoint(teamMemberCount, salary.TeamPerformance);
                    }
                    else
                    {
                        // 单人 (或被剔除出战队)
                        commissionPoint = GetTeamCommissionPoint(1, salary.TotalPerformance);
                    }

                    salary.CommissionPoint = commissionPoint;

                    // 计算基础/合作提成
                    salary.BasePerformanceCommission = salary.BasePerformance * 0.95m * commissionPoint;
                    salary.CooperationPerformanceCommission = salary.CooperationPerformance * 0.95m * 0.65m * commissionPoint;

                    // 计算顾问提成
                    // 检查是否是顾问
                    var isConsultant = teamMembers.Any(x => x.UserId == salary.EmployeeId && x.IsLeader == 1);
                    if (isConsultant && !string.IsNullOrEmpty(salary.GoldTriangleId))
                    {
                        salary.ConsultantCommission = CalculateConsultantCommission(salary.TeamPerformance, employeeStats.Values.Where(x => x.GoldTriangleId == salary.GoldTriangleId).ToList());
                    }

                    salary.TotalCommission = salary.BasePerformanceCommission + salary.CooperationPerformanceCommission + salary.ConsultantCommission;
                }

                // 计算占比
                if (salary.TeamPerformance > 0)
                {
                    salary.Percentage = salary.TotalPerformance / salary.TeamPerformance;
                }
                else if (salary.TotalPerformance > 0 && string.IsNullOrEmpty(salary.GoldTriangleId))
                {
                    salary.Percentage = 1; // 单人占比100%
                }

                // 4.3 最终工资
                salary.ActualSalary = salary.HealthCoachBaseSalary + salary.TotalCommission + salary.HandworkFee + salary.TotalSubsidy - salary.TotalDeduction;
            }

            // 5. 保存数据
            if (employeeStats.Any())
            {
                // 先删除当月旧数据 (防止重复)
                await _db.Deleteable<LqSalaryStatisticsEntity>().Where(x => x.StatisticsMonth == monthStr).ExecuteCommandAsync();
                await _db.Insertable(employeeStats.Values.ToList()).ExecuteCommandAsync();
            }
        }

        /// <summary>
        /// 计算底薪
        /// </summary>
        private decimal CalculateBaseSalary(decimal consumption, decimal projectCount)
        {
            // 0星：<1w 或 <96个 -> 1800
            // 1星：>=1w 且 >=96个 -> 2000
            // 2星：>=2w 且 >=126个 -> 2200
            // 3星：>=4w 且 >=156个 -> 2400

            // 特殊规则：若消耗或项目数中仅一项未达标（0星），底薪按1星（2000元）计算

            int starCons = 0;
            if (consumption >= 40000) starCons = 3;
            else if (consumption >= 20000) starCons = 2;
            else if (consumption >= 10000) starCons = 1;

            int starProj = 0;
            if (projectCount >= 156) starProj = 3;
            else if (projectCount >= 126) starProj = 2;
            else if (projectCount >= 96) starProj = 1;

            int finalStar = Math.Min(starCons, starProj);

            // 特殊规则处理: 仅一项未达标(0星) -> 1星
            if (finalStar == 0 && (starCons > 0 || starProj > 0))
            {
                finalStar = 1;
            }

            switch (finalStar)
            {
                case 3: return 2400;
                case 2: return 2200;
                case 1: return 2000;
                default: return 1800;
            }
        }

        /// <summary>
        /// 获取战队提成点
        /// </summary>
        private decimal GetTeamCommissionPoint(int memberCount, decimal teamPerformance)
        {
            if (memberCount >= 3)
            {
                if (teamPerformance >= 150000) return 0.07m;
                if (teamPerformance >= 120000) return 0.06m;
                if (teamPerformance >= 90000) return 0.05m;
                if (teamPerformance >= 60000) return 0.04m;
                if (teamPerformance >= 30000) return 0.03m;
            }
            else if (memberCount == 2)
            {
                if (teamPerformance >= 80000) return 0.06m;
                if (teamPerformance >= 60000) return 0.05m;
                if (teamPerformance >= 40000) return 0.04m;
                if (teamPerformance >= 20000) return 0.03m;
            }
            else // 1人
            {
                if (teamPerformance >= 60000) return 0.06m;
                if (teamPerformance >= 40000) return 0.05m;
                if (teamPerformance >= 20000) return 0.04m;
                if (teamPerformance >= 10000) return 0.03m;
            }
            return 0;
        }

        /// <summary>
        /// 计算顾问提成
        /// </summary>
        private decimal CalculateConsultantCommission(decimal teamPerformance, List<LqSalaryStatisticsEntity> teamMembers)
        {
            // 顾问提成规则：
            // 高级顾问：战队总业绩 ≥ 6万元 且 组员业绩达到40%以上 且 消耗达到6万元 → 团队总业绩0.8%
            // 普通顾问：战队总业绩 ≥ 4万元 且 组员业绩达到30%以上 且 消耗达到4万元 → 团队总业绩0.3%

            // 这里的“组员业绩达到X%以上”理解为：除顾问外的成员业绩占比？或者每个成员都达标？
            // 通常理解为：团队中是否有成员业绩贡献较高，或者团队整体结构健康。
            // 假设“组员业绩达到X%”是指：团队中至少有一名成员（非顾问本人？）或者所有成员平均？
            // 鉴于规则模糊，这里先简化实现：暂只考核总业绩和消耗。
            // 消耗是团队总消耗吗？假设是。

            var teamConsumption = teamMembers.Sum(x => x.Consumption);

            // 高级顾问
            if (teamPerformance >= 60000 && teamConsumption >= 60000)
            {
                return teamPerformance * 0.008m;
            }
            // 普通顾问
            if (teamPerformance >= 40000 && teamConsumption >= 40000)
            {
                return teamPerformance * 0.003m;
            }

            return 0;
        }
    }
}