package util

import (
	"testing"

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

func TestNormalizePhoneNumber(t *testing.T) {
	for _, raw := range []string{
		"6281234561234",
		"+6281234561234",
		"081234561234",
		"81234561234",
		"0812-3456-1234",
		"+62 812 3456 1234",
		"(+62) 812.3456.1234",
		"+62081234561234",
		" 081234561234 ",
	} {
		got, err := NormalizePhoneNumber(raw)
		require.NoError(t, err, raw)
		assert.Equal(t, "6281234561234", got, raw)
	}

	shortest, err := NormalizePhoneNumber("0811234567")
	require.NoError(t, err)
	assert.Equal(t, "62811234567", shortest)
	longest, err := NormalizePhoneNumber("0812345678901")
	require.NoError(t, err)
	assert.Equal(t, "62812345678901", longest)
	_, err = NormalizePhoneNumber("08123456789012")
	assert.ErrorIs(t, err, ErrInvalidPhoneNumber, "too long")

	for _, raw := range []string{
		"",
		"0",
		"021-1234567",     // a landline, cannot get the WhatsApp OTP
		"+6521234567",     // not Indonesian
		"+1 415 555 0100", // not Indonesian
		"62812",           // too short
		"0812abc61234",
		"0812/3456/1234",
	} {
		_, err := NormalizePhoneNumber(raw)
		assert.ErrorIs(t, err, ErrInvalidPhoneNumber, raw)
	}
}