package goncfiles_test

import (
	"os"
	"path/filepath"
	"testing"

	"gitea.neitzel.de/konrad/go-nc-files"
)

func TestCleanRelRejectsURLsAndFileIDs(t *testing.T) {
	t.Parallel()
	for _, in := range []string{
		"https://nc.example/remote.php/dav/files/alice/myapp",
		"http://x/y",
		"12345",
		"../etc",
		"",
	} {
		if got := goncfiles.CleanRel(in); got != "" {
			t.Fatalf("CleanRel(%q)=%q want empty", in, got)
		}
	}
	if got := goncfiles.CleanRel("myapp"); got != "myapp" {
		t.Fatalf("got %q", got)
	}
	if got := goncfiles.CleanRel("Shared/TeamDNS"); got != "Shared/TeamDNS" {
		t.Fatalf("got %q", got)
	}
}

func TestLocalFolderReadWriteListExists(t *testing.T) {
	t.Parallel()
	root := t.TempDir()
	sub := filepath.Join(root, "data")
	if err := os.Mkdir(sub, 0o755); err != nil {
		t.Fatal(err)
	}

	local := goncfiles.Local{RootDir: root}
	folder, err := local.OpenFolder("data")
	if err != nil {
		t.Fatal(err)
	}
	if err := folder.Write("hello.txt", []byte("hi")); err != nil {
		t.Fatal(err)
	}
	ok, err := folder.Exists("hello.txt")
	if err != nil || !ok {
		t.Fatalf("exists: ok=%v err=%v", ok, err)
	}
	data, err := folder.Read("hello.txt")
	if err != nil || string(data) != "hi" {
		t.Fatalf("read: %q err=%v", data, err)
	}
	entries, err := folder.List()
	if err != nil {
		t.Fatal(err)
	}
	if len(entries) != 1 || entries[0].Name != "hello.txt" || entries[0].IsDir {
		t.Fatalf("list: %+v", entries)
	}
}

func TestLocalEnsureFolderCreatesPath(t *testing.T) {
	t.Parallel()
	root := t.TempDir()
	local := goncfiles.Local{RootDir: root}
	folder, err := local.EnsureFolder("a/b/c")
	if err != nil {
		t.Fatal(err)
	}
	if _, err := os.Stat(filepath.Join(root, "a", "b", "c")); err != nil {
		t.Fatal(err)
	}
	if err := folder.Write("x", []byte("1")); err != nil {
		t.Fatal(err)
	}
}

func TestLocalOpenMissingIsNotExist(t *testing.T) {
	t.Parallel()
	local := goncfiles.Local{RootDir: t.TempDir()}
	_, err := local.OpenFolder("missing")
	if err == nil {
		t.Fatal("expected error")
	}
	if !goncfiles.IsNotExist(err) {
		t.Fatalf("got %v", err)
	}
}

func TestRequireBasenameRejectsPathSegments(t *testing.T) {
	t.Parallel()
	for _, name := range []string{"", "a/b", "..", `a\b`} {
		if err := goncfiles.RequireBasename(name); err == nil {
			t.Fatalf("RequireBasename(%q) expected error", name)
		}
	}
}