package slug

import (
	"github.com/stretchr/testify/assert"
	"testing"
)

func TestNew(t *testing.T) {
	t.Run("Test New", func(t *testing.T) {
		s := New("Hello World")
		assert.Equal(t, "hello-world", s.String())
	})

	t.Run("Test New with !", func(t *testing.T) {
		s := New("Hello World!")
		assert.Equal(t, "hello-world", s.String())
	})

	t.Run("Test New with unicode", func(t *testing.T) {
		s := New("Ahoj Světe!") // hello world in Czech
		assert.Equal(t, "ahoj-svete", s.String())
	})
}

func TestValidate(t *testing.T) {
	t.Run("Test Validate", func(t *testing.T) {
		assert.NoError(t, Validate("hello-world"))
	})

	t.Run("Test Validate with !", func(t *testing.T) {
		assert.ErrorIs(t, Validate("hello-world!"), ErrInvalidSlug)
	})

	t.Run("Test Validate with unicode", func(t *testing.T) {
		assert.ErrorIs(t, Validate("ahoj-světe"), ErrInvalidSlug)
	})

	t.Run("Test Validate with empty string", func(t *testing.T) {
		assert.ErrorIs(t, Validate(""), ErrInvalidSlug)
	})
}

func TestSlug_String(t *testing.T) {
	t.Run("Test String", func(t *testing.T) {
		s := Slug("hello-world")
		assert.Equal(t, "hello-world", s.String())
	})
}

func TestNewString(t *testing.T) {
	t.Run("Test NewString", func(t *testing.T) {
		input := "Hello World"
		expected := "hello-world"
		stringSlug := NewString(input)

		assert.Equal(t, expected, stringSlug)
		assert.IsType(t, string(""), stringSlug)
	})
}