package services

import (
	"ERP_storage/dto"
	db "ERP_storage/initialize"
	"ERP_storage/logs"
	models "ERP_storage/models/ContractReview"
	"errors"
	"git.baozhida.cn/ERP_libs/lib"
	"gorm.io/gorm"
)

type ServiceType struct {
}

func (e *ServiceType) GetPage(c *dto.ServiceTypePageReq) (list []models.ServiceType, cnt int64) {

	var err error

	err = db.DB.Model(&models.ServiceType{}).
		Scopes(
			dto.MakeCondition(c.GetNeedSearch()),
			dto.Paginate(c.GetPageSize(), c.GetPageIndex()),
			dto.WithNormalState(),
		).
		Find(&list).Limit(-1).Offset(-1).
		Count(&cnt).Error

	if err != nil {
		logs.Error("db error: %s ", err)
		return
	}
	return
}

func (e *ServiceType) Get(Id int) (r models.ServiceType, err error) {
	err = db.DB.Scopes(dto.WithNormalState()).First(&r, Id).Error
	if err != nil {
		logs.Error("db error: %s", err)
		return
	}
	return
}

// 添加
func (e *ServiceType) Insert(c *dto.ServiceTypeInsertReq) (id int, err error) {
	var data models.ServiceType
	err = db.DB.Scopes(dto.WithNormalState()).Where("t_name = ?", c.T_name).First(&data).Error
	if err != nil {
		// 没有则创建
		if errors.Is(err, gorm.ErrRecordNotFound) {
			c.Generate(&data)
			err = db.DB.Create(&data).Error
			if err != nil {
				logs.Error("db error: %s", err)
				return
			}
			id = data.Id
			return
		}
		logs.Error("db error: %s", err)
		return
	}
	id = data.Id
	return
}

// 修改
func (e *ServiceType) Update(c *dto.ServiceTypeUpdateReq) error {
	var serviceType = models.ServiceType{}
	err := db.DB.Scopes(dto.WithNormalState()).First(&serviceType, c.GetId()).Error
	if err != nil {
		logs.Error("db error: %s", err)
		return dto.GetNotFoundErr
	}
	c.Generate(&serviceType)
	err = db.DB.Save(&serviceType).Error
	if err != nil {
		logs.Error("db error: %s", err)
		return dto.UpdateFailedErr
	}
	return nil

}

// 删除
func (e *ServiceType) Delete(c *dto.ServiceTypeDeleteReq) error {
	var serviceType = models.ServiceType{}
	err := db.DB.Scopes(dto.WithNormalState()).First(&serviceType, c.GetId()).Error
	if err != nil {
		logs.Error("db error: %s", err)
		return dto.GetNotFoundErr
	}

	var ServiceItemCount int64
	err = db.DB.Model(&models.ServiceItem{}).
		Scopes(dto.WithNormalState()).
		Where("t_service_type_id = ?", serviceType.Id).
		Count(&ServiceItemCount).Error
	if err != nil {
		logs.Error("db error: %s", err)
		return dto.GetFailedErr
	}

	if ServiceItemCount > 0 {
		return errors.New("存在已关联的服务内容，无法删除！")
	}

	serviceType.T_State = 0
	err = db.DB.Save(&serviceType).Error
	if err != nil {
		logs.Error(lib.FuncName(), err)
		return dto.DeleteFailedErr
	}
	return nil
}