package disk

import (
	"fmt"
	"os"
	"path/filepath"
	"s1d3sw1ped/SteamCache2/vfs/vfserror"
	"testing"
)

func TestAllDisk(t *testing.T) {
	t.Parallel()

	m := NewSkipInit(t.TempDir(), 1024)
	if err := m.Set("key", []byte("value")); err != nil {
		t.Errorf("Set failed: %v", err)
	}

	if err := m.Set("key", []byte("value1")); err != nil {
		t.Errorf("Set failed: %v", err)
	}

	if d, err := m.Get("key"); err != nil {
		t.Errorf("Get failed: %v", err)
	} else if string(d) != "value1" {
		t.Errorf("Get failed: got %s, want %s", d, "value1")
	}

	if err := m.Delete("key"); err != nil {
		t.Errorf("Delete failed: %v", err)
	}

	if _, err := m.Get("key"); err == nil {
		t.Errorf("Get failed: got nil, want %v", vfserror.ErrNotFound)
	}

	if err := m.Delete("key"); err == nil {
		t.Errorf("Delete failed: got nil, want %v", vfserror.ErrNotFound)
	}

	if _, err := m.Stat("key"); err == nil {
		t.Errorf("Stat failed: got nil, want %v", vfserror.ErrNotFound)
	}

	if err := m.Set("key", []byte("value")); err != nil {
		t.Errorf("Set failed: %v", err)
	}

	if _, err := m.Stat("key"); err != nil {
		t.Errorf("Stat failed: %v", err)
	}
}

func TestLimited(t *testing.T) {
	t.Parallel()

	m := NewSkipInit(t.TempDir(), 10)
	for i := 0; i < 11; i++ {
		if err := m.Set(fmt.Sprintf("key%d", i), []byte("1")); err != nil && i < 10 {
			t.Errorf("Set failed: %v", err)
		} else if i == 10 && err == nil {
			t.Errorf("Set succeeded: got nil, want %v", vfserror.ErrDiskFull)
		}
	}
}

func TestInit(t *testing.T) {
	t.Parallel()

	td := t.TempDir()

	path := filepath.Join(td, "test", "key")

	os.MkdirAll(filepath.Dir(path), 0755)

	os.WriteFile(path, []byte("value"), 0644)

	m := New(td, 10)
	if _, err := m.Get("test/key"); err != nil {
		t.Errorf("Get failed: %v", err)
	}

	s, _ := m.Stat("test/key")
	if s.Name() != "test/key" {
		t.Errorf("Stat failed: got %s, want %s", s.Name(), "key")
	}
}