package xray_tests

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"os/exec"
	"testing"

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

func TestAesgcmXray(t *testing.T) {
	expected, err := ioutil.ReadFile("aesgcm_fs.xray.txt")
	if err != nil {
		t.Fatal(err)
	}
	cmd := exec.Command("../gocryptfs-xray", "aesgcm_fs/VnvoeSetPaOFjZDaZAh0lA")
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatal(err)
	}
	if bytes.Compare(out, expected) != 0 {
		t.Errorf("Unexpected output")
		fmt.Printf("expected:\n%s", string(expected))
		fmt.Printf("have:\n%s", string(out))
	}
}

func TestAessivXray(t *testing.T) {
	expected, err := ioutil.ReadFile("aessiv_fs.xray.txt")
	if err != nil {
		t.Fatal(err)
	}
	cmd := exec.Command("../gocryptfs-xray", "-aessiv", "aessiv_fs/klepPXQJIaEDaIx-yurAqQ")
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatal(err)
	}
	if bytes.Compare(out, expected) != 0 {
		t.Errorf("Unexpected output")
		fmt.Printf("expected:\n%s", string(expected))
		fmt.Printf("have:\n%s", string(out))
	}
}

func TestDumpmasterkey(t *testing.T) {
	expected := "b4d8b25c324dd6eaa328c9906e8a2a3c6038552a042ced4326cfff210c62957a\n"
	cmd := exec.Command("../gocryptfs-xray", "-dumpmasterkey", "aesgcm_fs/gocryptfs.conf")
	// Password = "test"
	cmd.Stdin = bytes.NewBuffer([]byte("test"))
	out1, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatal(err)
	}
	out := string(out1)
	if out != expected {
		t.Errorf("Wrong output")
		fmt.Printf("expected: %s\n", expected)
		fmt.Printf("have: %s\n", out)
	}
}

func TestEncryptPaths(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)

	testCases := []struct {
		in   []string
		sep0 bool
	}{
		{
			[]string{
				"test1",
				"test1\n",
				"test1\ntest2",
				"test1\ntest2\n",
			},
			false,
		},
		{
			[]string{
				"test1",
				"test1\000",
				"test1\000test2",
				"test1\000test2\000",
			},
			true,
		},
	}

	for _, tc := range testCases {
		for _, in := range tc.in {
			sepArg := "-0=false"
			if tc.sep0 {
				sepArg = "-0=true"
			}
			cmd := exec.Command("../gocryptfs-xray", "-encrypt-paths", sepArg, sock)
			cmd.Stdin = bytes.NewBuffer([]byte(in))
			out, err := cmd.CombinedOutput()
			t.Logf("%q", string(out))
			if err != nil {
				t.Fatal(err)
			}
		}
	}
}