package repository

import (
	"testing"

	"github.com/jackc/pgx/v5/pgtype"
)

func TestPgInt8IDsToInt64ReturnsEmptySlice(t *testing.T) {
	got := pgInt8IDsToInt64(nil)
	if got == nil {
		t.Fatal("expected empty slice, got nil")
	}
	if len(got) != 0 {
		t.Fatalf("expected empty slice, got len=%d", len(got))
	}
}

func TestPgInt8IDsToInt64FiltersInvalidIDs(t *testing.T) {
	got := pgInt8IDsToInt64([]pgtype.Int8{
		{Int64: 10, Valid: true},
		{Valid: false},
		{Int64: 20, Valid: true},
	})
	if len(got) != 2 {
		t.Fatalf("expected 2 ids, got %d", len(got))
	}
	if got[0] != 10 || got[1] != 20 {
		t.Fatalf("unexpected ids: %#v", got)
	}
}

func TestInt64IDsOrEmptyReturnsEmptySlice(t *testing.T) {
	got := int64IDsOrEmpty(nil)
	if got == nil {
		t.Fatal("expected empty slice, got nil")
	}
	if len(got) != 0 {
		t.Fatalf("expected empty slice, got len=%d", len(got))
	}
}