package couchbase

import (
	"testing"
	"time"

	"github.com/stretchr/testify/require"
)

func newTestStore(t testing.TB) *Storage {
	t.Helper()
	return New(Config{
		Username: "admin",
		Password: "123456",
		Host:     "127.0.0.1:8091",
		Bucket:   "fiber_storage",
	})
}

func TestSetCouchbase_ShouldReturnNoError(t *testing.T) {
	testStore := newTestStore(t)

	err := testStore.Set("test", []byte("test"), 0)

	require.NoError(t, err)
}

func TestGetCouchbase_ShouldReturnNil_WhenDocumentNotFound(t *testing.T) {
	testStore := newTestStore(t)

	val, err := testStore.Get("not_found_key")

	require.NoError(t, err)
	require.Zero(t, len(val))
}

func TestSetAndGet_GetShouldReturn_SetValueWithoutError(t *testing.T) {
	testStore := newTestStore(t)

	err := testStore.Set("test", []byte("fiber_test_value"), 0)
	require.NoError(t, err)

	val, err := testStore.Get("test")

	require.NoError(t, err)
	require.Equal(t, val, []byte("fiber_test_value"))
}

func TestSetAndGet_GetShouldReturnNil_WhenTTLExpired(t *testing.T) {
	testStore := newTestStore(t)

	err := testStore.Set("test", []byte("fiber_test_value"), 3*time.Second)
	require.NoError(t, err)

	time.Sleep(6 * time.Second)

	val, err := testStore.Get("test")

	require.NoError(t, err)
	require.Zero(t, len(val))
}

func TestSetAndDelete_DeleteShouldReturn_NoError(t *testing.T) {
	testStore := newTestStore(t)

	err := testStore.Set("test", []byte("fiber_test_value"), 0)
	require.NoError(t, err)

	err = testStore.Delete("test")
	require.NoError(t, err)

	_, err = testStore.Get("test")
	require.NoError(t, err)
}

func TestSetAndReset_ResetShouldReturn_NoError(t *testing.T) {
	testStore := newTestStore(t)

	err := testStore.Set("test", []byte("fiber_test_value"), 0)
	require.NoError(t, err)

	err = testStore.Reset()
	require.NoError(t, err)

	_, err = testStore.Get("test")
	require.NoError(t, err)
}

func TestClose_CloseShouldReturn_NoError(t *testing.T) {
	testStore := newTestStore(t)

	err := testStore.Close()
	require.NoError(t, err)
}

func TestGetConn_ReturnsNotNil(t *testing.T) {
	testStore := newTestStore(t)

	require.True(t, testStore.Conn() != nil)
}

func Benchmark_Couchbase_Set(b *testing.B) {
	testStore := newTestStore(b)

	b.ReportAllocs()
	b.ResetTimer()

	var err error
	for i := 0; i < b.N; i++ {
		err = testStore.Set("john", []byte("doe"), 0)
	}

	require.NoError(b, err)
}

func Benchmark_Couchbase_Get(b *testing.B) {
	testStore := newTestStore(b)

	err := testStore.Set("john", []byte("doe"), 0)
	require.NoError(b, err)

	b.ReportAllocs()
	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		_, err = testStore.Get("john")
	}

	require.NoError(b, err)
}

func Benchmark_Couchbase_SetAndDelete(b *testing.B) {
	testStore := newTestStore(b)

	b.ReportAllocs()
	b.ResetTimer()

	var err error
	for i := 0; i < b.N; i++ {
		_ = testStore.Set("john", []byte("doe"), 0)
		err = testStore.Delete("john")
	}

	require.NoError(b, err)
}