// SPDX-License-Identifier: AGPL-3.0-only

package packager

import (
	"archive/tar"
	"compress/gzip"
	"errors"
	"io"
	"os"
	"path/filepath"
	"testing"
)

func TestVersionPattern(t *testing.T) {
	for _, v := range []string{"v0.1.0-preview.1", "v12.3.4-preview.99"} {
		if !versionPattern.MatchString(v) {
			t.Errorf("rejected %q", v)
		}
	}
	for _, v := range []string{"v0.1.0", "0.1.0-preview.1", "v0.1.0-preview.0", "v0.1.0-preview.01", "v0.1.0-preview.1+dirty"} {
		if versionPattern.MatchString(v) {
			t.Errorf("accepted %q", v)
		}
	}
}
func TestArchiveHasOnlyRegularBundleEntries(t *testing.T) {
	dir := t.TempDir()
	bundle := filepath.Join(dir, "bundle")
	if err := os.Mkdir(bundle, 0o700); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(bundle, "app"), []byte("binary"), 0o755); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(bundle, "RELEASE.json"), []byte("{}\n"), 0o644); err != nil {
		t.Fatal(err)
	}
	archive := filepath.Join(dir, "out.tar.gz")
	if err := writeArchive(archive, bundle, 1); err != nil {
		t.Fatal(err)
	}
	f, err := os.Open(archive)
	if err != nil {
		t.Fatal(err)
	}
	defer f.Close()
	gz, err := gzip.NewReader(f)
	if err != nil {
		t.Fatal(err)
	}
	defer gz.Close()
	tr := tar.NewReader(gz)
	seen := 0
	for {
		h, err := tr.Next()
		if errors.Is(err, io.EOF) {
			break
		}
		if err != nil {
			t.Fatal(err)
		}
		if h.Name == "bundle/" {
			continue
		}
		if h.Typeflag != tar.TypeReg {
			t.Fatalf("unexpected type %d", h.Typeflag)
		}
		if filepath.IsAbs(h.Name) || filepath.Clean(h.Name) != h.Name {
			t.Fatalf("unsafe path %q", h.Name)
		}
		seen++
	}
	if seen != 2 {
		t.Fatalf("saw %d files", seen)
	}
}