package logic

import (
	"context"
	"fmt"
	"time"

	. "app.yhyue.com/moapp/jybase/date"
	. "bp.jydev.jianyu360.cn/BaseService/resourceCenter/rpc/internal/entity"
	"bp.jydev.jianyu360.cn/BaseService/resourceCenter/rpc/internal/svc"
	"bp.jydev.jianyu360.cn/BaseService/resourceCenter/rpc/pb"

	"github.com/zeromicro/go-zero/core/logx"
)

type DeductionLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewDeductionLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DeductionLogic {
	return &DeductionLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

//资源扣减
func (l *DeductionLogic) Deduction(in *pb.DeductionReq) (*pb.Resp, error) {
	l.Info("资源扣减请求参数", fmt.Sprintf("%+v", in))
	resp := &pb.Resp{}
	if in.Appid == "" {
		l.Error(fmt.Sprintf("%+v", in), "无效的参数appid")
		return resp, nil
	} else if in.FunctionCode == "" {
		l.Error(fmt.Sprintf("%+v", in), "无效的参数function_code")
		return resp, nil
	} else if in.Count <= 0 {
		l.Error(fmt.Sprintf("%+v", in), "无效的参数count")
		return resp, nil
	} else if in.UserId == 0 && in.EntId == 0 {
		l.Error(fmt.Sprintf("%+v", in), "无效的参数user_id、ent_id")
		return resp, nil
	}
	function := Base_function.FindByCode(in.Appid, in.FunctionCode)
	if function == nil {
		l.Error(fmt.Sprintf("%+v", in), "功能原始表中没有找到该功能")
		return resp, nil
	}
	myPowers := Base_power.FindMyPower(in.Appid, in.FunctionCode, in.UserId, in.EntId)
	if myPowers == nil || len(*myPowers) == 0 {
		resp.Status = -1
		l.Error(fmt.Sprintf("%+v", in), "功能权益表中没有找到权益记录")
		return resp, nil
	}
	use_values, detail_values := []interface{}{}, [][]interface{}{}
	update := [][]interface{}{}
	surplus_count := int64(-1)
	deduct_count := in.Count
	user_id, ent_id := int64(0), int64(0)
	if function.Power_rule == 2 { //周期+数量
		my_surplus_count := int64(0)
		for _, v := range *myPowers {
			if v.Surplus_count <= 0 {
				continue
			}
			if deduct_count > 0 {
				if v.Power_type == 1 {
					user_id = v.Power_ofid
				} else if v.Power_type == 2 {
					ent_id = v.Power_ofid
				} else {
					continue
				}
				this_deduct_count := deduct_count
				if v.Surplus_count >= deduct_count { //本次记录的数据足够扣减
					v.Surplus_count -= deduct_count
					deduct_count = 0
				} else { //本次不够扣减，把本次的扣完，进入下次扣减
					v.Surplus_count = 0
					this_deduct_count = v.Surplus_count
					deduct_count -= v.Surplus_count
				}
				update = append(update, []interface{}{v.Id, v.Surplus_count, NowFormat(Date_Full_Layout)})
				detail_values = append(detail_values, []interface{}{in.Appid, v.Id, v.Surplus_count, this_deduct_count, NowFormat(Date_Full_Layout)})
			}
			my_surplus_count += v.Surplus_count
		}
		//剩余的总数成功完成了本次的扣减
		if deduct_count == 0 {
			surplus_count = my_surplus_count
		}
	} else if function.Power_rule == 3 { //周期+频率+数量
		for _, v := range *myPowers {
			use, err := Base_resource_use.FindLastOne(in.Appid, in.FunctionCode, in.UserId, in.EntId, v.Power_type)
			if err != nil {
				l.Error(fmt.Sprintf("%+v", in), "查询资源使用记录失败", err)
				continue
			}
			if use != nil {
				create_time, err := time.ParseInLocation(Date_Full_Layout, use.Create_time, time.Local)
				if err != nil {
					l.Error(fmt.Sprintf("%+v", in), "资源充值/消耗表创建时间错误", create_time, err)
					continue
				}
				now := time.Now()
				if v.Limit_strategy == "1d" {
					if create_time.Year() == now.Year() && create_time.Month() == now.Month() && create_time.Day() == now.Day() {
						surplus_count = use.Surplus_count - in.Count
					} else {
						surplus_count = v.Strategy_count - in.Count
					}
				} else if v.Limit_strategy == "1m" {
					if create_time.Year() == now.Year() && create_time.Month() == now.Month() {
						surplus_count = use.Surplus_count - in.Count
					} else {
						surplus_count = v.Strategy_count - in.Count
					}
				} else {
					l.Error(fmt.Sprintf("%+v", in), "limit_strategy格式错误", v.Limit_strategy)
					continue
				}
			} else {
				surplus_count = v.Strategy_count - in.Count
			}
			if v.Power_type == 1 {
				user_id = v.Power_ofid
			} else if v.Power_type == 2 {
				ent_id = v.Power_ofid
			} else {
				continue
			}
			if surplus_count >= 0 {
				detail_values = append(detail_values, []interface{}{in.Appid, v.Id, surplus_count, in.Count, NowFormat(Date_Full_Layout)})
				break
			}
		}
	}
	if surplus_count < 0 {
		resp.Status = -2
		return resp, nil
	} else {
		use_values = append(use_values, in.Appid, ent_id, user_id, in.FunctionCode, 0, surplus_count, in.Count, NowFormat(Date_Full_Layout))
	}
	if len(use_values) > 0 && len(detail_values) > 0 && Base_resource_use.Deduction(use_values, detail_values, update) {
		resp.Status = 1
		return resp, nil
	}
	return resp, nil
}