package ormpool

import (
	"fmt"
	"sync"
	"testing"
	"time"
)

type Int struct {
	Val int
}

func TestName(t *testing.T) {
	var (
		sql      = "select count(*) as val from tptp"
		tid      = TenantId("111")
		tpool, _ = NewTenantOrmPool(Mysql)
	)

	k, err := tpool.Register("mysql://root:root@tcp(127.0.0.1:3306)/test?charset=utf8mb4")
	if err != nil {
		panic(err)
	}

	err = tpool.Bound(tid, k)
	if err != nil {
		panic(err)
	}
	wg := sync.WaitGroup{}
	wg.Add(1)
	oldVal := 0
	go func() {
		defer wg.Done()
		for i := 0; i < 20000; i++ {
			db, err := tpool.GetDB(tid)
			if err != nil {
				panic(err)
			}
			v := &Int{}
			cl := db.Raw(sql).Find(&v)
			if cl.Error != nil {
				panic(cl.Error)
			}
			if v.Val != oldVal {
				oldVal = v.Val
				fmt.Printf("%p\n%d\n", db, v.Val)
			}
		}
		fmt.Println("======")
	}()

	time.Sleep(100 * time.Millisecond)
	for i := 0; i < 150; i++ {
		oldk := k
		if i%2 == 0 {
			k, err = tpool.Register("mysql://root:root@tcp(127.0.0.1:3306)/ry?charset=utf8mb4")
		} else {
			k, err = tpool.Register("mysql://root:root@tcp(127.0.0.1:3306)/test?charset=utf8mb4")
		}
		if err != nil {
			panic(err)
		}

		err = tpool.Bound(tid, k)
		if err != nil {
			panic(err)
		}
		err = tpool.Release(oldk)
		if err != nil {
			panic(err)
		}
		time.Sleep(20 * time.Millisecond)
	}
	time.Sleep(10 * time.Second)
	wg.Wait()
}