// Tests and benchmarks performed with default settings only.
package defaults

import (
	"encoding/json"
	"fmt"
	"net"
	"os"
	"os/exec"
	"syscall"
	"testing"
	"time"

	"github.com/rfjakob/gocryptfs/internal/ctlsock"
	"github.com/rfjakob/gocryptfs/tests/test_helpers"
)

func TestMain(m *testing.M) {
	test_helpers.ResetTmpDir(true)
	test_helpers.MountOrExit(test_helpers.DefaultCipherDir, test_helpers.DefaultPlainDir, "-zerokey")
	r := m.Run()
	test_helpers.UnmountPanic(test_helpers.DefaultPlainDir)
	os.Exit(r)
}

// Test that we get the right timestamp when extracting a tarball.
func Test1980Tar(t *testing.T) {
	c := exec.Command("tar", "xzf", "1980.tar.gz", "-C", test_helpers.DefaultPlainDir)
	c.Stderr = os.Stderr
	c.Stdout = os.Stdout
	err := c.Run()
	if err != nil {
		t.Fatal(err)
	}
	fi, err := os.Stat(test_helpers.DefaultPlainDir + "/1980.txt")
	if err != nil {
		t.Fatal(err)
	}
	m := fi.ModTime().Unix()
	if m != 315619323 {
		t.Errorf("Wrong mtime: %d", m)
	}
}

func TestCtlSock(t *testing.T) {
	cDir := test_helpers.InitFS(t)
	pDir := cDir + ".mnt"
	sock := cDir + ".sock"
	test_helpers.MountOrFatal(t, cDir, pDir, "-ctlsock="+sock, "-extpass", "echo test")
	defer test_helpers.UnmountPanic(pDir)
	conn, err := net.DialTimeout("unix", sock, 1*time.Second)
	if err != nil {
		t.Fatal(err)
	}
	defer conn.Close()
	conn.SetDeadline(time.Now().Add(time.Second))
	msg := []byte(`{"EncryptPath": "foobar"}`)
	_, err = conn.Write(msg)
	if err != nil {
		t.Fatal(err)
	}
	buf := make([]byte, 2*syscall.PathMax)
	n, err := conn.Read(buf)
	if err != nil {
		t.Fatal(err)
	}
	buf = buf[:n]
	var response ctlsock.ResponseStruct
	json.Unmarshal(buf, &response)
	if response.Result == "" || response.ErrNo != 0 {
		fmt.Printf("%s\n", string(buf))
		t.Errorf("got an error reply")
	}
}