package eta

import (
	"fmt"
	"hongze/hz_crm_eta/global"
	"time"
)

type ClassifyMenu struct {
	MenuId     int       `gorm:"column:menu_id;primary_key;AUTO_INCREMENT;NOT NULL;comment:'子目录ID'"`
	MenuName   string    `gorm:"column:menu_name;default:;NOT NULL;comment:'子目录名称'"`
	ClassifyId int       `gorm:"column:classify_id;default:0;NOT NULL;comment:'分类ID'"`
	Sort       int       `gorm:"column:sort;default:0;NOT NULL;comment:'排序'"`
	CreateTime time.Time `gorm:"column:create_time;default:NULL;comment:'创建时间'"`
	ModifyTime time.Time `gorm:"column:modify_time;default:NULL;comment:'更新时间'"`
}

func (c *ClassifyMenu) TableName() string {
	return "classify_menu"
}

// GetClassifyMenuList 获取子目录列表
func (c *ClassifyMenu) GetClassifyMenuList(condition string, pars []interface{}) (items []*ClassifyMenu, err error) {
	// todo 当condition为空时
	err = global.MYSQL["rddp"].Model(c).Where(condition, pars...).Order("sort ASC, create_time ASC").Scan(&items).Error
	return
}

// InsertAndUpdateClassifyMenu 新增/编辑/删除分类子目录
func InsertAndUpdateClassifyMenu(insertMenus []*ClassifyMenu, editMenus []*ClassifyMenu, deleteMenuIds []int) (err error) {
	tx := global.MYSQL["rddp"].Begin()
	defer func() {
		if err != nil {
			tx.Rollback()
		} else {
			tx.Commit()
		}
	}()

	// 编辑
	sql := ``
	if len(editMenus) > 0 {
		for i := range editMenus {
			sql = fmt.Sprintf(`UPDATE classify_menu SET menu_name = '%s', sort = %d, modify_time = NOW() WHERE menu_id = %d`,
				editMenus[i].MenuName, editMenus[i].Sort, editMenus[i].MenuId)
			if e := tx.Exec(sql).Error; e != nil {
				err = e
				return
			}
		}
	}

	// 删除
	if len(deleteMenuIds) > 0 {
		for i := range deleteMenuIds {
			sql = fmt.Sprintf(`DELETE FROM classify_menu WHERE menu_id = %d LIMIT 1`, deleteMenuIds[i])
			if e := tx.Exec(sql).Error; e != nil {
				err = e
				return
			}
			// 删除关联关系
			sql = fmt.Sprintf(`DELETE FROM classify_menu_relation WHERE menu_id = %d`, deleteMenuIds[i])
			if e := tx.Exec(sql).Error; e != nil {
				err = e
				return
			}
		}
	}

	// 新增
	if len(insertMenus) > 0 {
		e := tx.CreateInBatches(insertMenus, len(insertMenus)).Error
		if e != nil {
			err = e
			return
		}
	}
	return
}