package utils

import (
	"fmt"
	"regexp"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestLeftPad(t *testing.T) {
	require.Equal(t, "abc", LeftPad("abc", 0))
	require.Equal(t, "abc", LeftPad("abc", 3))
	require.Equal(t, "   abc", LeftPad("abc", 6))
}

func TestSafeReplaceAllStringFunc(t *testing.T) {
	re := regexp.MustCompile(`\w+`)
	out, err := SafeReplaceAllStringFunc(re, "1 > 0", func(m string) (string, error) {
		return fmt.Sprint(m == "1"), nil
	})
	require.NoError(t, err)
	require.Equal(t, "true > false", out)

	_, err = SafeReplaceAllStringFunc(re, "1 > 0", func(m string) (string, error) {
		return "", fmt.Errorf("an expected error")
	})
	require.Error(t, err)
	require.Equal(t, "an expected error", err.Error())
}

func TestSlugify(t *testing.T) {
	require.Equal(t, "abc", Slugify("abc"))
	require.Equal(t, "ab-c", Slugify("ab.c"))
	require.Equal(t, "ab-c", Slugify("ab-c"))
	require.Equal(t, "ab-c", Slugify("ab()[]c"))
	require.Equal(t, "ab123-cde-f-g", Slugify("ab123(cde)[]f.g"))
}

func TestStringArrayToMap(t *testing.T) {
	input := []string{"a", "b", "c"}
	expected := map[string]bool{"a": true, "b": true, "c": true}
	actual := StringArrayToMap(input)
	require.Equal(t, expected, actual)
}