package svc

import (
	"applet/app/admin/md"
	"applet/app/db"
	"applet/app/db/model"
)

func EnterpriseList(req md.EnterpriseListReq) (m []model.Enterprise, total int64, err error) {
	sess := db.Db.Desc("id").Limit(req.Limit, (req.Page-1)*req.Limit)
	if req.Name != "" {
		sess.And("name like ?", "%"+req.Name+"%")
	}
	if req.Kind != 0 {
		sess.And("kind = ?", req.Kind)
	}
	total, err = sess.FindAndCount(&m)
	if err != nil {
		return
	}
	return
}

func EnterpriseDetail(enterpriseId int) (data md.EnterpriseDetailResp, err error) {
	//1、查找所在单位
	enterpriseDb := db.EnterpriseDb{}
	enterpriseDb.Set()
	enterprise, err := enterpriseDb.GetEnterprise(enterpriseId)
	if err != nil {
		return
	}
	data.Enterprise = *enterprise

	//2、查找对应年级
	gradeDb := db.GradeDb{}
	gradeDb.Set(enterpriseId)
	gradeList, err := gradeDb.FindGrade()
	if err != nil {
		return
	}

	for _, v := range *gradeList {
		//3、查找对应班级
		classDb := db.ClassDb{}
		classDb.Set(v.Id)
		classes, err1 := classDb.FindClass()
		if err1 != nil {
			err = err1
			return
		}
		data.GradeList = append(data.GradeList, md.GradeListStruct{
			Grade:     v,
			ClassList: *classes,
		})
	}
	return
}

func EnterpriseDelete(enterpriseIds []int) (err error) {
	session := db.Db.NewSession()
	defer session.Close()
	session.Begin()
	//1、删除所在单位
	enterpriseDb := db.EnterpriseDb{}
	enterpriseDb.Set()
	_, err = enterpriseDb.EnterpriseDeleteBySession(session, enterpriseIds)
	if err != nil {
		_ = session.Rollback()
		return
	}

	//2、删除年级
	gradeDb := db.GradeDb{}
	gradeDb.Set(0)
	_, err = gradeDb.ClassDeleteBySessionForEnterprise(session, enterpriseIds)
	if err != nil {
		_ = session.Rollback()
		return
	}

	//3、删除班级
	classDb := db.ClassDb{}
	classDb.Set(0)
	_, err = classDb.ClassDeleteBySessionForEnterprise(session, enterpriseIds)
	if err != nil {
		_ = session.Rollback()
		return
	}

	return session.Commit()
}