package main

import (
	"git.sxidc.com/go-tools/utils/strutils"
	"git.sxidc.com/service-supports/ds-sdk/sdk"
	"git.sxidc.com/service-supports/ds-sdk/sql"
	"time"
)

func main() {
	err := sdk.InitInstance(token, address, httpPort, grpcPort, namespace, dataSource)
	if err != nil {
		panic(err)
	}

	defer func() {
		err := sdk.DestroyInstance()
		if err != nil {
			panic(err)
		}
	}()

	now := time.Now()
	graduatedTime := now.AddDate(3, 0, 0)
	classID := strutils.SimpleUUID()
	studentIDs := []string{strutils.SimpleUUID(), strutils.SimpleUUID(), strutils.SimpleUUID()}

	class := &Class{
		IDField:       IDField{ID: classID},
		Name:          "001",
		StudentNum:    10,
		GraduatedTime: &graduatedTime,
		StudentIDs:    studentIDs,
	}

	newClass := &Class{
		IDField:       IDField{ID: classID},
		Name:          "",
		StudentNum:    30,
		GraduatedTime: &graduatedTime,
		StudentIDs:    studentIDs,
	}

	err = sdk.GetInstance().Transaction(func(tx *sdk.Transaction) error {
		err = sql.InsertEntity(tx, tableName, class)
		if err != nil {
			panic(err)
		}

		err = sql.UpdateEntity(tx, tableName, newClass)
		if err != nil {
			panic(err)
		}

		err = sql.DeleteEntity(tx, tableName, &Class{IDField: IDField{ID: classID}})
		if err != nil {
			panic(err)
		}

		return nil
	})
	if err != nil {
		panic(err)
	}
}