package memcache

import (
	"log"
	"os"
	"testing"
	"time"

	"github.com/go-kratos/kratos/pkg/container/pool"
	xtime "github.com/go-kratos/kratos/pkg/time"
)

var testConnASCII Conn
var testMemcache *Memcache
var testPool *Pool
var testMemcacheAddr string

func setupTestConnASCII(addr string) {
	var err error
	cnop := DialConnectTimeout(time.Duration(2 * time.Second))
	rdop := DialReadTimeout(time.Duration(2 * time.Second))
	wrop := DialWriteTimeout(time.Duration(2 * time.Second))
	testConnASCII, err = Dial("tcp", addr, cnop, rdop, wrop)
	if err != nil {
		log.Fatal(err)
	}
	testConnASCII.Delete("test")
	testConnASCII.Delete("test1")
	testConnASCII.Delete("test2")
	if err != nil {
		log.Fatal(err)
	}
}

func setupTestMemcache(addr string) {
	testConfig := &Config{
		Config: &pool.Config{
			Active:      10,
			Idle:        10,
			IdleTimeout: xtime.Duration(time.Second),
			WaitTimeout: xtime.Duration(time.Second),
			Wait:        false,
		},
		Addr:         addr,
		Proto:        "tcp",
		DialTimeout:  xtime.Duration(time.Second),
		ReadTimeout:  xtime.Duration(time.Second),
		WriteTimeout: xtime.Duration(time.Second),
	}
	testMemcache = New(testConfig)
}

func setupTestPool(addr string) {
	config := &Config{
		Name:         "test",
		Proto:        "tcp",
		Addr:         addr,
		DialTimeout:  xtime.Duration(time.Second),
		ReadTimeout:  xtime.Duration(time.Second),
		WriteTimeout: xtime.Duration(time.Second),
	}
	config.Config = &pool.Config{
		Active:      10,
		Idle:        5,
		IdleTimeout: xtime.Duration(90 * time.Second),
	}
	testPool = NewPool(config)
}

func TestMain(m *testing.M) {
	testMemcacheAddr = os.Getenv("TEST_MEMCACHE_ADDR")
	if testExampleAddr == "" {
		log.Print("TEST_MEMCACHE_ADDR not provide skip test.")
		// ignored test.
		os.Exit(0)
	}
	setupTestConnASCII(testMemcacheAddr)
	setupTestMemcache(testMemcacheAddr)
	setupTestPool(testMemcacheAddr)
	// TODO: add setupexample?
	testExampleAddr = testMemcacheAddr

	ret := m.Run()
	os.Exit(ret)
}