package valueobjects

// Tests for player name validation rules: length bounds, normalization, and character restrictions.

import (
	"strings"
	"testing"

	"github.com/stretchr/testify/require"

	errs "knowfoolery/backend/shared/domain/errors"
)

// TestNewPlayerName_NormalizesAndTrims ensures new player name normalizes and trims behavior is handled correctly.
func TestNewPlayerName_NormalizesAndTrims(t *testing.T) {
	name, err := NewPlayerName("  Alice   Bob  ")
	require.NoError(t, err)
	require.Equal(t, "Alice Bob", name.String())
}

// TestNewPlayerName_LengthValidation ensures new player name length validation behavior is handled correctly.
func TestNewPlayerName_LengthValidation(t *testing.T) {
	_, err := NewPlayerName("A")
	require.Error(t, err)

	longName := strings.Repeat("a", MaxPlayerNameLength+1)
	_, err = NewPlayerName(longName)
	require.Error(t, err)
}

// TestNewPlayerName_InvalidCharacters ensures new player name invalid characters behavior is handled correctly.
func TestNewPlayerName_InvalidCharacters(t *testing.T) {
	_, err := NewPlayerName("Alice!")
	require.Error(t, err)

	var domainErr *errs.DomainError
	require.ErrorAs(t, err, &domainErr)
	require.Equal(t, errs.CodeInvalidPlayerName, domainErr.Code)
}

// TestPlayerName_EqualsCaseInsensitive ensures player name equals case insensitive behavior is handled correctly.
func TestPlayerName_EqualsCaseInsensitive(t *testing.T) {
	name1, err := NewPlayerName("Alice")
	require.NoError(t, err)
	name2, err := NewPlayerName("alice")
	require.NoError(t, err)

	require.True(t, name1.Equals(name2))
}

// TestPlayerName_IsEmpty ensures player name is empty behavior is handled correctly.
func TestPlayerName_IsEmpty(t *testing.T) {
	var name PlayerName
	require.True(t, name.IsEmpty())
}