using System.Linq.Expressions;
using AutoMapper;
using Entity.Api.Req;
using Entity.Api.Resp;
using Entity.DbModel.Station;
using Entity.Dto;
using Entity.Dto.Req;
using HybirdFrameworkCore.Autofac.Attribute;
using HybirdFrameworkCore.Entity;
using HybirdFrameworkCore.Utils;
using Magicodes.ExporterAndImporter.Excel;
using Microsoft.AspNetCore.Mvc;
using Repository.Station;

namespace Service.Station;
/// <summary>
/// 充电订单
/// </summary>
[Scope("SingleInstance")]
public class ChargeOrderService : BaseServices<ChargeOrder>
{
    ChargeOrderRepository chargeOrderRepository;
    public ChargeOrderService(ChargeOrderRepository dal)
    {
        chargeOrderRepository = dal;
        BaseDal = dal;
    }


    /// <summary>
    /// 根据条件查询分页数据
    /// </summary>
    /// <param name="equipAlarmLevel"></param>
    /// <returns></returns>
    public PageResult<ChargeOrderResp> QueryChargeOrder(QueryChargeOrderReq chargeOrder)
    {

        //创建一个空的表达式树
        Expression<Func<ChargeOrder, bool>> where = null;
        //// 定义参数表达式
        ParameterExpression parameter = Expression.Parameter(typeof(ChargeOrder), "u");
        
        #region 构建动态查询树
        where = queryTree(chargeOrder, where, parameter);

        #endregion

        //查询
        return PageResult<ChargeOrderResp>.ConvertPage(chargeOrderRepository.QueryIPage(chargeOrder, where));

    }
    /// <summary>
    /// 导出充电订单
    /// </summary>
    /// <param name="chargeOrder"></param>
    /// <param name="language"></param>
    /// <returns></returns>
    public async Task<IActionResult> ExportChargeOrder(QueryChargeOrderReq chargeOrder,string language)
    {
        // 查询订单
        List<ChargeOrder> chargeOrders = await QueryChargeOrderListAsync(chargeOrder);

        var config = new MapperConfiguration(cfg =>
        {
            cfg.CreateMap<ChargeOrderDto, ChargeOrder>().ReverseMap();
            cfg.CreateMap<ChargeOrderDto2, ChargeOrder>().ReverseMap();
        });
        IMapper mapper = config.CreateMapper();

        if (language == "en")
        {
            List<ChargeOrderDto2> list2 = mapper.Map<List<ChargeOrderDto2>>(chargeOrders);
            IExcelExporter excelExporter = new ExcelExporter();
            var res = await excelExporter.ExportAsByteArray(list2);
            return new FileStreamResult(new MemoryStream(res), "application/octet-stream")
                { FileDownloadName = DateTime.Now.ToString("yyyyMMddHHmm") + "_ChargeOrders.xlsx" };
        }
        else
        {
            List<ChargeOrderDto> list = mapper.Map<List<ChargeOrderDto>>(chargeOrders);
            IExcelExporter excelExporter = new ExcelExporter();
            var res = await excelExporter.ExportAsByteArray(list);
            return new FileStreamResult(new MemoryStream(res), "application/octet-stream")
                { FileDownloadName = DateTime.Now.ToString("yyyyMMddHHmm") + "充电订单.xlsx" };
        }
    }
    /// <summary>
    /// 查询需要导出订单
    /// </summary>
    /// <param name="chargeOrder"></param>
    /// <returns></returns>
    public async Task<List<ChargeOrder>> QueryChargeOrderListAsync(QueryChargeOrderReq chargeOrder)
    {
        Expression<Func<ChargeOrder, bool>> where = null;
        ParameterExpression parameter = Expression.Parameter(typeof(ChargeOrder), "u");

        #region 构建动态查询树
        where = queryTree(chargeOrder, where, parameter);
        #endregion

        // 查询需要导出充电订单 不分页
        return await chargeOrderRepository.QueryChargeOrderList(where);
    }
    
    private static Expression<Func<ChargeOrder, bool>>? queryTree(QueryChargeOrderReq chargeOrder, Expression<Func<ChargeOrder, bool>>? where, ParameterExpression parameter)
    {
        if (chargeOrder.Id != 0)
        {
            Expression<Func<ChargeOrder, bool>> condition1Expr = u => u.Id == chargeOrder.Id;
            where = condition1Expr;
        }
        if (!string.IsNullOrEmpty(chargeOrder.Sn))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.Sn == chargeOrder.Sn;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (!string.IsNullOrEmpty(chargeOrder.BatteryNo))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.BatteryNo == chargeOrder.BatteryNo;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
      
        if (!string.IsNullOrEmpty(chargeOrder.ChargerNo))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.ChargerNo == chargeOrder.ChargerNo;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        
        
     
     
        // 构建时间范围条件
        if (chargeOrder.StartTime != null && chargeOrder.StartTime != DateTime.MinValue && chargeOrder.EndTime != null && chargeOrder.EndTime != DateTime.MinValue)
        {
            Expression<Func<ChargeOrder, bool>> conditionExpr = u => u.CreatedTime >= chargeOrder.StartTime && u.CreatedTime <= chargeOrder.EndTime;
            where = conditionExpr;
        }
        
        
        if (chargeOrder.ChargeTimeCount!=null)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.ChargeTimeCount == chargeOrder.ChargeTimeCount;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (chargeOrder.StopReason != null)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.StopReason == chargeOrder.StopReason;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        /*if (!string.IsNullOrEmpty(chargeOrder.ElecPriceModelVersion))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.ElecPriceModelVersion == chargeOrder.ElecPriceModelVersion;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }*/
        if (!string.IsNullOrEmpty(chargeOrder.SwapOrderSn))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.SwapOrderSn == chargeOrder.SwapOrderSn;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (chargeOrder.CloudReportStatus != null)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.CloudReportStatus == chargeOrder.CloudReportStatus;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (!string.IsNullOrEmpty(chargeOrder.CloudChargeOrder))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.CloudChargeOrder == chargeOrder.CloudChargeOrder;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }

        return where;
    }

    
    
    /// <summary>
    /// 获取每日充电订单
    /// </summary>
    /// <returns></returns>
    public  List<ChargeOrder> DayChargeOrder()
    {
        // 获取今天的日期
        DateTime today = DateTime.Today;

        // 昨天 00:00
        DateTime startOfYesterday = today.AddDays(-1);

        // 昨天 23:59:59
        DateTime endOfYesterday = startOfYesterday.AddDays(1).AddTicks(-1);

        Expression<Func<ChargeOrder, bool>> predicate = x => x.StartTime >= startOfYesterday && x.StartTime <= endOfYesterday;

        return  QueryListByClause(predicate);
    }

    public async Task<List<ChargeCountResp>> GetElectricityConsumptionByTime(ChargeCountReq req)
    {
        List<ChargeCountResp> list = await GetElectricityConsumption(req, false);

        list = list.OrderBy(x => x.Time).ToList();

        return list;
    }

    public async Task<PageResult<ChargeCountResp>> GetElectricityConsumptionByChargerNo(ChargeCountReq req)
    {
        List<ChargeCountResp> resp = await GetElectricityConsumption(req, true);
        resp = resp.OrderBy(x => x.Time).ToList();

        int skip = (req.PageNum - 1) * req.PageSize;
        int take = req.PageSize;

        List<ChargeCountResp> respList = resp.Skip(skip).Take(take).ToList();
        PageResult<ChargeCountResp> result = new PageResult<ChargeCountResp>();
        result.PageNum = req.PageNum;
        result.PageSize = req.PageSize;
        result.Rows = respList;
        result.ToTal = resp.Count;
        return result;
    }


    public async Task<List<ChargeCountResp>> GetElectricityConsumption(ChargeCountReq req,
        bool groupByChargerNo = false)
    {
        // 设置时间范围
        SetTime(req);

        Expression<Func<ChargeOrder, bool>> predicate = x => x.EndTime >= req.StartTime && x.EndTime <= req.EndTime;

        if (!string.IsNullOrEmpty(req.ChargerNo))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.ChargerNo == req.ChargerNo;
            predicate = Expression.Lambda<Func<ChargeOrder, bool>>(
                Expression.AndAlso(predicate.Body, condition2Expr.Body),
                predicate.Parameters[0]);
        }

        List<ChargeOrder> chargeOrders = await QueryListByClauseAsync(predicate);

        List<ChargeCountResp> result = new List<ChargeCountResp>();

        if (req.TimeType == 1)
        {
            // 按小时分组统计
            if (groupByChargerNo)
            {
                // 按 ChargerNo 和小时分组
                result = chargeOrders
                    .Where(order => order.EndTime.HasValue && !string.IsNullOrEmpty(order.ChargerNo))
                    .GroupBy(order => new { order.ChargerNo, Hour = order.EndTime.Value.Hour })
                    .Select(group => new ChargeCountResp
                    {
                        ChargerNo = group.Key.ChargerNo,
                        Time = group.Key.Hour.ToString("00") + ":00",
                        ChargeCount = group.Sum(order => order.ElecCount ?? 0)
                    })
                    .ToList();
            }
            else
            {
                // 仅按小时分组
                result = chargeOrders
                    .Where(order => order.EndTime.HasValue)
                    .GroupBy(order => order.EndTime.Value.Hour)
                    .Select(group => new ChargeCountResp
                    {
                        Time = group.Key.ToString("00") + ":00",
                        ChargeCount = group.Sum(order => order.ElecCount ?? 0)
                    })
                    .ToList();
            }
        }
        else if (req.TimeType == 2)
        {
            // 按天分组统计
            if (groupByChargerNo)
            {
                // 按 ChargerNo 和日期分组
                result = chargeOrders
                    .Where(order => order.EndTime.HasValue && !string.IsNullOrEmpty(order.ChargerNo))
                    .GroupBy(order => new { order.ChargerNo, Date = order.EndTime.Value.Date })
                    .Select(group => new ChargeCountResp
                    {
                        ChargerNo = group.Key.ChargerNo,
                        Time = group.Key.Date.ToString("yyyy-MM-dd"),
                        ChargeCount = group.Sum(order => order.ElecCount ?? 0)
                    })
                    .ToList();
            }
            else
            {
                // 仅按日期分组
                result = chargeOrders
                    .Where(order => order.EndTime.HasValue)
                    .GroupBy(order => order.EndTime.Value.Date)
                    .Select(group => new ChargeCountResp
                    {
                        Time = group.Key.ToString("yyyy-MM-dd"),
                        ChargeCount = group.Sum(order => order.ElecCount ?? 0)
                    })
                    .ToList();
            }
        }
        else if (req.TimeType == 3)
        {
            // 按月分组统计
            if (groupByChargerNo)
            {
                // 按 ChargerNo、年和月分组
                result = chargeOrders
                    .Where(order => order.EndTime.HasValue && !string.IsNullOrEmpty(order.ChargerNo))
                    .GroupBy(order => new { order.ChargerNo, order.EndTime.Value.Year, order.EndTime.Value.Month })
                    .Select(group => new ChargeCountResp
                    {
                        ChargerNo = group.Key.ChargerNo,
                        Time = group.Key.Year + "-" + group.Key.Month.ToString("00"),
                        ChargeCount = group.Sum(order => order.ElecCount ?? 0)
                    })
                    .ToList();
            }
            else
            {
                // 仅按年和月分组
                result = chargeOrders
                    .Where(order => order.EndTime.HasValue)
                    .GroupBy(order => new { order.EndTime.Value.Year, order.EndTime.Value.Month })
                    .Select(group => new ChargeCountResp
                    {
                        Time = group.Key.Year + "-" + group.Key.Month.ToString("00"),
                        ChargeCount = group.Sum(order => order.ElecCount ?? 0)
                    })
                    .ToList();
            }
        }

        return result;
    }


    private static void SetTime(ChargeCountReq req)
    {
        if (req.StartTime.HasValue && req.EndTime.HasValue)
        {
            return ;
        }
        
        if (req.TimeType < 1 || req.TimeType > 3)
        {
            // 时间类型传值错误
            throw new ArgumentException("时间类型传值错误");
        }
        if (req.TimeType == 1)
        {
            // 今天的开始时间
            req.StartTime = DateTime.Today;
            // 今天的结束时间
            req.EndTime = DateTime.Today.AddDays(1).AddSeconds(-1);
        }
        else if (req.TimeType == 2)
        {
            // 本月的开始时间
            req.StartTime = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1);
            // 本月的结束时间 下个月减1秒
            req.EndTime = req.StartTime.Value.AddMonths(1).AddSeconds(-1);
        }
        else if (req.TimeType == 3)
        {
            // 今年的开始时间
            req.StartTime = new DateTime(DateTime.Now.Year, 1, 1);
            // 今年的结束时间 明年减1秒
            req.EndTime = req.StartTime.Value.AddYears(1).AddSeconds(-1);
        }
    }
}