package db

import (
	"context"
	"fmt"
	"github.com/caixw/lib.go/conv"
	"github.com/sirupsen/logrus"
	"reflect"
	"time"
	"youngee_m_api/model/common_model"
	"youngee_m_api/model/gorm_model"
	"youngee_m_api/model/http_model"
	"youngee_m_api/util"
)

func CreatePricingStrategy(ctx context.Context, req *http_model.AddPricingRequest) (string, string, error) {
	db := GetReadDB(ctx)
	project_type, fee_form, platform, fans_low, fans_up, service_charge, base_offer := req.ProjectType, req.ManuscriptForm, req.Platform, req.FansLow, req.FansHigh, req.PlatformFee, req.BaseOffer
	var IsExclusive gorm_model.InfoPricingStrategy
	err := db.Debug().Where(" fee_form = ? && platform = ? && fans_low <= ? && fans_up >= ?", fee_form, platform, fans_low, fans_up).First(&IsExclusive).Error
	if err == nil {
		return "该策略与已经运行的策略互斥，请修改相关字段后重新创建", "", nil
	}
	var newStrategy gorm_model.InfoPricingStrategy
	var strategyInfo gorm_model.InfoPricingStrategy
	getMonth := time.Now().Format("01") //获取月
	getDay := time.Now().Day()          //获取日
	dayString := ""
	if getDay < 10 {
		dayString = conv.MustString(getDay, "")
		dayString = "0" + dayString
	} else {
		dayString = conv.MustString(getDay, "")
	}
	monthAndDay := conv.MustString(getMonth, "") + dayString
	err = db.Debug().Where(fmt.Sprintf(" strategyId like '%s%%'", monthAndDay)).Last(&strategyInfo).Error

	num := 1
	if strategyInfo.StrategyId != "" {
		num = conv.MustInt(strategyInfo.StrategyId[4:6], 0)
		num = num + 1 //获取日
	} else {
		num = 1
	}
	numString := ""
	if num < 10 {
		numString = conv.MustString(num, "")
		numString = "0" + numString
	} else {
		numString = conv.MustString(num, "")
	}
	newStrategy.StrategyId = monthAndDay + numString
	newStrategy.Status = 0
	newStrategy.FansLow = fans_low
	newStrategy.FansUp = fans_up
	newStrategy.ProjectType = conv.MustInt64(project_type, 0)
	newStrategy.BaseOffer = conv.MustInt64(base_offer, 0)
	newStrategy.Platform = conv.MustInt64(platform, 0)
	newStrategy.FeeForm = conv.MustInt64(fee_form, 0)
	newStrategy.ServiceCharge = conv.MustInt64(service_charge, 0)
	newStrategy.CreateAt = time.Now()
	newStrategy.UpdateAt = time.Now()
	err = db.Create(&newStrategy).Error
	if err != nil {
		return "创建失败", "", err
	}
	return "创建成功", monthAndDay + numString, nil
}

func SearchPricing(ctx context.Context, pageSize, pageNum int32, conditions *common_model.PricingConditions) ([]*gorm_model.InfoPricingStrategy, int64, error) {
	db := GetReadDB(ctx)
	db = db.Debug().Model(gorm_model.InfoPricingStrategy{})
	// 根据 查询条件过滤
	conditionType := reflect.TypeOf(conditions).Elem()
	conditionValue := reflect.ValueOf(conditions).Elem()
	for i := 0; i < conditionType.NumField(); i++ {
		field := conditionType.Field(i)
		tag := field.Tag.Get("condition")
		value := conditionValue.FieldByName(field.Name)
		if !util.IsBlank(value) && tag != "update_at" {
			db = db.Where(fmt.Sprintf("%s = ?", tag), value.Interface())
		} else if tag == "created_at" && value.Interface() != nil {
			db = db.Where(fmt.Sprintf("update_at like '%s%%'", value.Interface()))
		}
	}
	// 查询总数
	var total int64
	var PricingDatas []*gorm_model.InfoPricingStrategy
	if err := db.Count(&total).Error; err != nil {
		logrus.WithContext(ctx).Errorf("[SearchPricing] error query mysql total, err:%+v", err)
		return nil, 0, err
	}
	// 查询该页数据
	limit := pageSize
	offset := pageSize * pageNum // assert pageNum start with 0
	err := db.Order("update_at desc").Limit(int(limit)).Offset(int(offset)).Find(&PricingDatas).Error
	if err != nil {
		logrus.WithContext(ctx).Errorf("[SearchPricing] error query mysql find, err:%+v", err)
		return nil, 0, err
	}
	return PricingDatas, total, nil
}

func ModifyPricing(ctx context.Context, req *http_model.ModifyPricingRequest) (string, error) {
	db := GetReadDB(ctx)
	strategyId := req.StrategyId
	db = db.Debug().Model(gorm_model.InfoPricingStrategy{}).Where("strategyId = ?", strategyId)
	project_type, fee_form, platform, fans_low, fans_up, service_charge, base_offer := req.ProjectType, req.FeeForm, req.Platform, req.FansLow, req.FansHigh, req.PlatformFee, req.BaseOffer
	var IsExclusive gorm_model.InfoPricingStrategy
	err := db.Debug().Where(" fee_form = ? && platform = ? && fans_low <= ? && fans_up >= ?", fee_form, platform, fans_low, fans_up).First(&IsExclusive).Error
	if err == nil {
		return "要修改策略与已经运行的策略互斥，请修改相关字段", nil
	}
	err = db.Updates(map[string]interface{}{
		"project_type": project_type, "base_offer": base_offer, "fee_form": fee_form,
		"platform": platform, "fans_low": fans_low, "fans_up": fans_up, "service_charge": service_charge,
	}).Error
	if err != nil {
		return "", err
	}
	return "修改成功", nil
}