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

namespace Service.Station;

/// <summary>
/// 充电订单
/// </summary>
[Scope("SingleInstance")]
public class SwapOrderService : BaseServices<SwapOrder>
{
    public SwapOrderRepository swapOrderRepository { get; set; }
    public SwapOrderReportCloudRepository SwapOrderReportCloudRepository { get; set; }

    public SwapOrderMgr SwapOrderMgr { get; set; }
    
    public ChargeOrderRepository ChargeOrderRepository { get; set; }
    public AppCustomerVehicleRepository _appCustomerVehicleRepository{ get; set; }
    public SwapOrderService(SwapOrderRepository dal)
    {
        BaseDal = dal;
    }


 

 

    /// <summary>
    /// 查询需要导出换电订单
    /// </summary>
    /// <param name="swapOrder"></param>
    /// <returns></returns>
    public async Task<List<SwapOrder>> QuerySwapOrderListAsync(QuerySwapOrderPageReq swapOrder)
    {
        Expression<Func<SwapOrder, bool>> where = null;
        ParameterExpression parameter = Expression.Parameter(typeof(SwapOrder), "u");

        #region 构建动态查询树

        where = queryTree(swapOrder, where, parameter);

        #endregion

        // 查询需要导出充电订单 不分页
        return await swapOrderRepository.QuerySwapOrderList(where);
    }

    /// <summary>
    /// 根据条件查询分页数据
    /// </summary>
    /// <param name="equipAlarmLevel"></param>
    /// <returns></returns>
    public PageResult<SwapOrderResp> QuerySwapOrder(QuerySwapOrderPageReq swapOrder)
    {
        //创建一个空的表达式树
        Expression<Func<SwapOrder, bool>> where = null;
        //// 定义参数表达式
        ParameterExpression parameter = Expression.Parameter(typeof(SwapOrder), "u");

        #region 构建动态查询树

        where = queryTree(swapOrder, where, parameter);

        #endregion
        
        //查询

        //var swapOrderResp = PageResult<SwapOrderResp>.ConvertPage(swapOrderRepository.QueryIPageByCause(swapOrder, where));
        //for (int i = 0; i < swapOrderResp.Rows.Count; i++)
        //{
        //    swapOrderResp.Rows[0].BatteryList.AddRange()
        //}

        //List<SwapOrderBatteryResp> BatteryList = new List<SwapOrderBatteryResp>();
        //List<SwapOrderStepResp> StepList = new List<SwapOrderStepResp>();
        return PageResult<SwapOrderResp>.ConvertPage(swapOrderRepository.QueryIPage(swapOrder, where));
    }
    
    
    public PageResult<SwapOrderResp> AppQuerySwapOrder(QuerySwapOrderPageReq swapOrder)
    {
        //创建一个空的表达式树
        Expression<Func<SwapOrder, bool>> where = null;
        //// 定义参数表达式
        ParameterExpression parameter = Expression.Parameter(typeof(SwapOrder), "u");


        where = queryTreeApp(swapOrder, where, parameter);
        if (where==null)
        {
            return new PageResult<SwapOrderResp>();
        }
        
        return PageResult<SwapOrderResp>.ConvertPage(swapOrderRepository.QueryIPage(swapOrder, where));
    }
    
    
    private  Expression<Func<SwapOrder, bool>>? queryTreeApp(QuerySwapOrderPageReq swapOrder,
        Expression<Func<SwapOrder, bool>>? where, ParameterExpression parameter)
    {
        
        if (swapOrder.Time != null)
        {
            DateTime startTime = new DateTime(swapOrder.Time.Value.Year, swapOrder.Time.Value.Month, 1, 0, 0, 0);
            DateTime endTime = startTime.AddMonths(1).AddSeconds(-1);
            
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.CreatedTime >= startTime && u.CreatedTime <= endTime;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        
        if (swapOrder.CustomerId.HasValue)
        {
            List<string> vinList = _appCustomerVehicleRepository.GetVinList(swapOrder.CustomerId);
            
            if (vinList != null && vinList.Count > 0)
            {
                Expression<Func<SwapOrder, bool>> condition2Expr = u => vinList.Contains(u.VehicleVin);
                where = where == null
                    ? condition2Expr
                    : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                        parameter);
            }
        }
        else
        {
            return null;
        }
        return where;
    }

    private  Expression<Func<SwapOrder, bool>>? queryTree(QuerySwapOrderPageReq swapOrder,
        Expression<Func<SwapOrder, bool>>? where, ParameterExpression parameter)
    {
        if (!string.IsNullOrEmpty(swapOrder.Sn))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.Sn == swapOrder.Sn;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (!string.IsNullOrEmpty(swapOrder.VehicleNo))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.VehicleNo == swapOrder.VehicleNo;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }
        
        if (swapOrder.CustomerId.HasValue)
        {
            List<string> vinList = _appCustomerVehicleRepository.GetVinList(swapOrder.CustomerId);
            
            if (vinList != null && vinList.Count > 0)
            {
                Expression<Func<SwapOrder, bool>> condition2Expr = u => vinList.Contains(u.VehicleVin);
                where = where == null
                    ? condition2Expr
                    : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                        parameter);
            }
        }
        

        if (!string.IsNullOrEmpty(swapOrder.VehicleMac))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.VehicleMac == swapOrder.VehicleMac;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (!string.IsNullOrEmpty(swapOrder.VehicleVin))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.VehicleVin == swapOrder.VehicleVin;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }
        
        if (swapOrder.SwapBeginTime != null && swapOrder.SwapEndTime != null)
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.SwapBeginTime >= swapOrder.SwapBeginTime && u.SwapBeginTime <= swapOrder.SwapEndTime;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }

        if (swapOrder.SwapResult != 0)
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.SwapResult == swapOrder.SwapResult;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        return where;
    }
    
    /// <summary>
    /// 获取每日换电订单
    /// </summary>
    /// <returns></returns>
    public List<SwapOrder> DaySwapOrder()
    {
        // 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<SwapOrder, bool>> predicate = x => x.SwapBeginTime >= startOfYesterday && x.SwapBeginTime <= endOfYesterday;

        return  QueryListByClause(predicate);
    }
    
    
    /// <summary>
    /// 获取当前月份每一天的换电订单数量统计
    /// </summary>
    /// <returns>返回包含日期和对应订单数量的列表</returns>
    public async Task<List<SwapOrderCountResp>> GetDaySwapOrderCount()
    {
        DateTime now = DateTime.Now;
        int year = now.Year;
        int month = now.Month;
        // 这个月的开始时间
        DateTime firstDayOfMonth = new DateTime(year, month, 1);
        // 这个月的最后一秒
        DateTime lastDayOfMonth = firstDayOfMonth.AddMonths(1).AddSeconds(-1);
        
        // 查询换电订单
        List<SwapOrder> swapOrders = await BaseDal.Queryable()
            .Where(order => order.SwapEndTime >= firstDayOfMonth && order.SwapEndTime <= lastDayOfMonth)
            .ToListAsync();

        // 查询充电订单
        List<ChargeOrder> chargeOrders = await ChargeOrderRepository.Queryable()
            .Where(order => order.EndTime >= firstDayOfMonth && order.EndTime <= lastDayOfMonth)
            .ToListAsync();
        
        // 获取这个月的天数
        int daysInMonth = DateTime.DaysInMonth(year, month);

        // 生成天数的列表
        List<int> dayList = Enumerable.Range(1, daysInMonth).ToList();

        // 根据天分组、统计分组数量
        var swapOrderCounts = swapOrders
            .Where(order => order.SwapEndTime.HasValue)
            .GroupBy(order => order.SwapEndTime.Value.Day)
            .Select(group => new
            {
                Day = group.Key,
                Count = group.Count()
            })
            .ToList();

        // 根据天分组、统计充电量
        var chargeOrderCounts = chargeOrders
            .Where(order => order.EndTime.HasValue)
            .GroupBy(order => order.EndTime.Value.Day)
            .Select(group => new
            {
                Day = group.Key,
                ChargeCount = group.Sum(order => order.ElecCount ?? 0)
            })
            .ToList();
        
        List<SwapOrderCountResp> dailyOrderCounts = dayList.Select(day => new SwapOrderCountResp
        {
            Day = day,
            Count = swapOrderCounts.FirstOrDefault(oc => oc.Day == day)?.Count ?? 0,
            ChargeCount = chargeOrderCounts.FirstOrDefault(cc => cc.Day == day)?.ChargeCount ?? 0
        }).ToList();

        return dailyOrderCounts;
    }

    /// <summary>
    /// 查询月换电次数、换电车辆、充电统计
    /// </summary>
    /// <returns></returns>
    public async Task<SwapOrderCountMonthResp> GetMonthSwapOrderCount()
    {
        DateTime now = DateTime.Now;
        int year = now.Year;
        int month = now.Month;

        // 本月的开始时间 (00:00:00) 和最后一秒 (23:59:59)
        DateTime firstDayOfMonth = new DateTime(year, month, 1);
        DateTime lastDayOfMonth = firstDayOfMonth.AddMonths(1).AddSeconds(-1);

        // 查询本月换电订单
        List<SwapOrder> swapOrders = await GetSwapOrdersInRange(firstDayOfMonth, lastDayOfMonth);

        // 查询本月充电订单
        List<ChargeOrder> chargeOrders = await GetChargeOrdersInRange(firstDayOfMonth, lastDayOfMonth);

        SwapOrderCountMonthResp resp = new SwapOrderCountMonthResp
        {
            // 本月换电订单总数
            SwapCount = swapOrders.Count,

            VehicleCount = swapOrders
                .Where(order => !string.IsNullOrEmpty(order.VehicleNo))
                .Select(order => order.VehicleNo)
                .Distinct()
                .Count(),
            // 本月充电订单总数
            ChargeFrequency = chargeOrders.Count,

            // 本月充电电量总和
            ChargeCount = chargeOrders
                .Where(order => order.ElecCount.HasValue)
                .Sum(order => order.ElecCount ?? 0) 
        };

        // 获取今天的开始时间和最后一秒
        DateTime todayStart = DateTime.Today;
        DateTime todayEnd = todayStart.AddDays(1).AddSeconds(-1);

        // 查询当天换电订单
        List<SwapOrder> daySwapOrder = await GetSwapOrdersInRange(todayStart, todayEnd);

        // 查询当天充电订单
        List<ChargeOrder> dayChargeOrder = await GetChargeOrdersInRange(todayStart, todayEnd);

        resp.DaySwapCount = daySwapOrder.Count;
        resp.DayChargeCount = dayChargeOrder
            .Where(order => order.ElecCount.HasValue)
            .Sum(order => order.ElecCount ?? 0);

        return resp;
    }

    private async Task<List<SwapOrder>> GetSwapOrdersInRange(DateTime startTime, DateTime endTime)
    {
        return await BaseDal.Queryable()
            .Where(order => order.SwapEndTime >= startTime && order.SwapEndTime <= endTime)
            .ToListAsync();
    }

    private async Task<List<ChargeOrder>> GetChargeOrdersInRange(DateTime startTime, DateTime endTime)
    {
        return await ChargeOrderRepository.Queryable()
            .Where(order => order.EndTime >= startTime && order.EndTime <= endTime)
            .ToListAsync();
    }



}