package needle

import (
	"testing"

	"github.com/seaweedfs/seaweedfs/weed/storage/types"
)

func TestParseFileIdFromString(t *testing.T) {
	fidStr1 := "100,12345678"
	_, err := ParseFileIdFromString(fidStr1)
	if err == nil {
		t.Errorf("%s : KeyHash is too short", fidStr1)
	}

	fidStr1 = "100, 12345678"
	_, err = ParseFileIdFromString(fidStr1)
	if err == nil {
		t.Errorf("%s : needleId invalid syntax", fidStr1)
	}

	fidStr1 = "100,123456789"
	_, err = ParseFileIdFromString(fidStr1)
	if err != nil {
		t.Errorf("%s : should be OK", fidStr1)
	}

	var fileId *FileId
	fidStr1 = "100,123456789012345678901234"
	fileId, err = ParseFileIdFromString(fidStr1)
	if err != nil {
		t.Errorf("%s : should be OK", fidStr1)
	}
	if !(fileId.VolumeId == VolumeId(100) &&
		fileId.Key == types.NeedleId(0x1234567890123456) &&
		fileId.Cookie == types.Cookie(types.Uint32ToCookie(uint32(0x78901234)))) {
		t.Errorf("src : %s, dest : %v", fidStr1, fileId)
	}

	fidStr1 = "100,abcd0000abcd"
	fileId, err = ParseFileIdFromString(fidStr1)
	if err != nil {
		t.Errorf("%s : should be OK", fidStr1)
	}
	if !(fileId.VolumeId == VolumeId(100) &&
		fileId.Key == types.NeedleId(0xabcd) &&
		fileId.Cookie == types.Cookie(types.Uint32ToCookie(uint32(0xabcd)))) {
		t.Errorf("src : %s, dest : %v", fidStr1, fileId)
	}

	fidStr1 = "100,1234567890123456789012345"
	_, err = ParseFileIdFromString(fidStr1)
	if err == nil {
		t.Errorf("%s : needleId is too long", fidStr1)
	}
}

func TestNeedleIdFileId(t *testing.T) {
	tests := []struct {
		key      types.NeedleId
		volumeId uint32
		want     string
	}{
		{types.NeedleId(1), 3, "3,0100000000"},
		{types.NeedleId(0x123), 3, "3,012300000000"},
		{types.NeedleId(0x1234), 7, "7,123400000000"},
	}
	for _, tt := range tests {
		fid := tt.key.FileId(tt.volumeId)
		if fid != tt.want {
			t.Errorf("NeedleId(%d).FileId(%d) = %s, want %s", tt.key, tt.volumeId, fid, tt.want)
		}
		fileId, err := ParseFileIdFromString(fid)
		if err != nil {
			t.Errorf("%s : should be OK: %v", fid, err)
			continue
		}
		if fileId.VolumeId != VolumeId(tt.volumeId) || fileId.Key != tt.key || fileId.Cookie != 0 {
			t.Errorf("src : %s, dest : %v", fid, fileId)
		}
	}
}