/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Ian Coleman
 * Copyright (c) 2018 Ma_124, <github.com/Ma124>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, Subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or Substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package strcase

import (
	"testing"
)

func toSnake(tb testing.TB) {
	cases := [][]string{
		{"testCase", "test_case"},
		{"TestCase", "test_case"},
		{"Test Case", "test_case"},
		{" Test Case", "test_case"},
		{"Test Case ", "test_case"},
		{" Test Case ", "test_case"},
		{"test", "test"},
		{"test_case", "test_case"},
		{"Test", "test"},
		{"", ""},
		{"ManyManyWords", "many_many_words"},
		{"manyManyWords", "many_many_words"},
		{"AnyKind of_string", "any_kind_of_string"},
		{"numbers2and55with000", "numbers_2_and_55_with_000"},
		{"JSONData", "json_data"},
		{"userID", "user_id"},
		{"AAAbbb", "aa_abbb"},
		{"1A2", "1_a_2"},
		{"A1B", "a_1_b"},
		{"A1A2A3", "a_1_a_2_a_3"},
		{"A1 A2 A3", "a_1_a_2_a_3"},
		{"AB1AB2AB3", "ab_1_ab_2_ab_3"},
		{"AB1 AB2 AB3", "ab_1_ab_2_ab_3"},
		{"some string", "some_string"},
		{" some string", "some_string"},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		result := ToSnake(in)
		if result != out {
			tb.Errorf("%q (%q != %q)", in, result, out)
		}
	}
}

func TestToSnake(t *testing.T) { toSnake(t) }

func BenchmarkToSnake(b *testing.B) {
	benchmarkSnakeTest(b, toSnake)
}

func toSnakeWithIgnore(tb testing.TB) {
	cases := [][]string{
		{"testCase", "test_case"},
		{"TestCase", "test_case"},
		{"Test Case", "test_case"},
		{" Test Case", "test_case"},
		{"Test Case ", "test_case"},
		{" Test Case ", "test_case"},
		{"test", "test"},
		{"test_case", "test_case"},
		{"Test", "test"},
		{"", ""},
		{"ManyManyWords", "many_many_words"},
		{"manyManyWords", "many_many_words"},
		{"AnyKind of_string", "any_kind_of_string"},
		{"numbers2and55with000", "numbers_2_and_55_with_000"},
		{"JSONData", "json_data"},
		{"AwesomeActivity.UserID", "awesome_activity.user_id", "."},
		{"AwesomeActivity.User.Id", "awesome_activity.user.id", "."},
		{"AwesomeUsername@Awesome.Com", "awesome_username@awesome.com", "@"},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		var ignore uint8
		if len(i) == 3 {
			ignore = i[2][0]
		}
		result := ToSnakeWithIgnore(in, ignore)
		if result != out {
			istr := ""
			if len(i) == 3 {
				istr = " ignoring '" + i[2] + "'"
			}
			tb.Errorf("%q (%q != %q%s)", in, result, out, istr)
		}
	}
}

func TestToSnakeWithIgnore(t *testing.T) { toSnakeWithIgnore(t) }

func BenchmarkToSnakeWithIgnore(b *testing.B) {
	benchmarkSnakeTest(b, toSnakeWithIgnore)
}

func toDelimited(tb testing.TB) {
	cases := [][]string{
		{"testCase", "test@case"},
		{"TestCase", "test@case"},
		{"Test Case", "test@case"},
		{" Test Case", "test@case"},
		{"Test Case ", "test@case"},
		{" Test Case ", "test@case"},
		{"test", "test"},
		{"test_case", "test@case"},
		{"Test", "test"},
		{"", ""},
		{"ManyManyWords", "many@many@words"},
		{"manyManyWords", "many@many@words"},
		{"AnyKind of_string", "any@kind@of@string"},
		{"numbers2and55with000", "numbers@2@and@55@with@000"},
		{"JSONData", "json@data"},
		{"userID", "user@id"},
		{"AAAbbb", "aa@abbb"},
		{"test-case", "test@case"},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		result := ToDelimited(in, '@')
		if result != out {
			tb.Errorf("%q (%q != %q)", in, result, out)
		}
	}
}

func TestToDelimited(t *testing.T) { toDelimited(t) }

func BenchmarkToDelimited(b *testing.B) {
	benchmarkSnakeTest(b, toDelimited)
}

func toScreamingSnake(tb testing.TB) {
	cases := [][]string{
		{"testCase", "TEST_CASE"},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		result := ToScreamingSnake(in)
		if result != out {
			tb.Errorf("%q (%q != %q)", in, result, out)
		}
	}
}

func TestToScreamingSnake(t *testing.T) { toScreamingSnake(t) }

func BenchmarkToScreamingSnake(b *testing.B) {
	benchmarkSnakeTest(b, toScreamingSnake)
}

func toKebab(tb testing.TB) {
	cases := [][]string{
		{"testCase", "test-case"},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		result := ToKebab(in)
		if result != out {
			tb.Errorf("%q (%q != %q)", in, result, out)
		}
	}
}

func TestToKebab(t *testing.T) { toKebab(t) }

func BenchmarkToKebab(b *testing.B) {
	benchmarkSnakeTest(b, toKebab)
}

func toScreamingKebab(tb testing.TB) {
	cases := [][]string{
		{"testCase", "TEST-CASE"},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		result := ToScreamingKebab(in)
		if result != out {
			tb.Errorf("%q (%q != %q)", in, result, out)
		}
	}
}

func TestToScreamingKebab(t *testing.T) { toScreamingKebab(t) }

func BenchmarkToScreamingKebab(b *testing.B) {
	benchmarkSnakeTest(b, toScreamingKebab)
}

func toScreamingDelimited(tb testing.TB) {
	cases := [][]string{
		{"testCase", "TEST.CASE"},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		result := ToScreamingDelimited(in, '.', 0, true)
		if result != out {
			tb.Errorf("%q (%q != %q)", in, result, out)
		}
	}
}

func TestToScreamingDelimited(t *testing.T) { toScreamingDelimited(t) }

func BenchmarkToScreamingDelimited(b *testing.B) {
	benchmarkSnakeTest(b, toScreamingDelimited)
}

func toScreamingDelimitedWithIgnore(tb testing.TB) {
	cases := [][]string{
		{"AnyKind of_string", "ANY.KIND OF.STRING", ".", " "},
	}
	for _, i := range cases {
		in := i[0]
		out := i[1]
		delimiter := i[2][0]
		ignore := i[3][0]
		result := ToScreamingDelimited(in, delimiter, ignore, true)
		if result != out {
			istr := ""
			if len(i) == 4 {
				istr = " ignoring '" + i[3] + "'"
			}
			tb.Errorf("%q (%q != %q%s)", in, result, out, istr)
		}
	}
}

func TestToScreamingDelimitedWithIgnore(t *testing.T) { toScreamingDelimitedWithIgnore(t) }

func BenchmarkToScreamingDelimitedWithIgnore(b *testing.B) {
	benchmarkSnakeTest(b, toScreamingDelimitedWithIgnore)
}

func benchmarkSnakeTest(b *testing.B, fn func(testing.TB)) {
	for n := 0; n < b.N; n++ {
		fn(b)
	}
}