package zookeeper

import (
	"fmt"
	"os"
	"testing"
	"time"

	log "github.com/hashicorp/go-hclog"
	"github.com/hashicorp/vault/helper/logging"
	"github.com/hashicorp/vault/physical"

	"github.com/samuel/go-zookeeper/zk"
)

func TestZooKeeperBackend(t *testing.T) {
	addr := os.Getenv("ZOOKEEPER_ADDR")
	if addr == "" {
		t.SkipNow()
	}

	client, _, err := zk.Connect([]string{addr}, time.Second)

	if err != nil {
		t.Fatalf("err: %v", err)
	}

	randPath := fmt.Sprintf("/vault-%d", time.Now().Unix())
	acl := zk.WorldACL(zk.PermAll)
	_, err = client.Create(randPath, []byte("hi"), int32(0), acl)

	if err != nil {
		t.Fatalf("err: %v", err)
	}

	defer func() {
		client.Delete(randPath+"/foo/nested1/nested2/nested3", -1)
		client.Delete(randPath+"/foo/nested1/nested2", -1)
		client.Delete(randPath+"/foo/nested1", -1)
		client.Delete(randPath+"/foo/bar/baz", -1)
		client.Delete(randPath+"/foo/bar", -1)
		client.Delete(randPath+"/foo", -1)
		client.Delete(randPath, -1)
		client.Close()
	}()

	logger := logging.NewVaultLogger(log.Debug)

	b, err := NewZooKeeperBackend(map[string]string{
		"address": addr + "," + addr,
		"path":    randPath,
	}, logger)
	if err != nil {
		t.Fatalf("err: %s", err)
	}

	physical.ExerciseBackend(t, b)
	physical.ExerciseBackend_ListPrefix(t, b)
}

func TestZooKeeperHABackend(t *testing.T) {
	addr := os.Getenv("ZOOKEEPER_ADDR")
	if addr == "" {
		t.SkipNow()
	}

	client, _, err := zk.Connect([]string{addr}, time.Second)

	if err != nil {
		t.Fatalf("err: %v", err)
	}

	randPath := fmt.Sprintf("/vault-ha-%d", time.Now().Unix())
	acl := zk.WorldACL(zk.PermAll)
	_, err = client.Create(randPath, []byte("hi"), int32(0), acl)

	if err != nil {
		t.Fatalf("err: %v", err)
	}

	defer func() {
		client.Delete(randPath+"/foo", -1)
		client.Delete(randPath, -1)
		client.Close()
	}()

	logger := logging.NewVaultLogger(log.Debug)

	b, err := NewZooKeeperBackend(map[string]string{
		"address": addr + "," + addr,
		"path":    randPath,
	}, logger)
	if err != nil {
		t.Fatalf("err: %s", err)
	}

	ha, ok := b.(physical.HABackend)
	if !ok {
		t.Fatalf("zookeeper does not implement HABackend")
	}
	physical.ExerciseHABackend(t, ha, ha)
}