package cmd

import (
	"crypto/x509"
	"log"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"gitlab.com/urkob/go-cert-gen/internal/io"
)

func TestExecute(t *testing.T) {
	Execute()
}

func Test_getExtKeyUsage(t *testing.T) {
	intKeyUsageSlice := make([]int, 0, 1)
	intKeyUsageSlice = append(intKeyUsageSlice, int(x509.ExtKeyUsageClientAuth))

	keyUsage := getExtKeyUsage(intKeyUsageSlice)
	assert.Len(t, keyUsage, len(intKeyUsageSlice))
	assert.Equal(t, keyUsage[0], x509.ExtKeyUsageClientAuth)

	intKeyUsageSlice = make([]int, 0)
	keyUsage = getExtKeyUsage(intKeyUsageSlice)
	assert.Len(t, keyUsage, 0)

	keyUsage = getExtKeyUsage(nil)
	assert.Len(t, keyUsage, 0)
}

var testFile = "test-file.txt"

func init() {
	wd, err := os.Getwd()
	if err != nil {
		log.Fatalf("os.Getwd: %s\n", err)
	}
	writer = io.NewWriter(wd)
}

func Test_exportPem(t *testing.T) {
	defer func() {
		os.Remove(testFile)
		err := os.Remove(testFile)
		require.NoError(t, err)
	}()

	data := []byte("test data")
	outputPath, err := exportPem(testFile, data)
	require.NoError(t, err)
	require.NotEmpty(t, outputPath)
}

func Test_exportPemError(t *testing.T) {
	data := []byte("test data")
	outputPath, err := exportPem("", data)
	require.Error(t, err)
	require.Empty(t, outputPath)
}