<?php

use App\Support\CcliLabels;

test('isSectionLabel detects english labels', function (string $label) {
    expect(CcliLabels::isSectionLabel($label))->toBeTrue();
})->with([
    'Verse 1',
    'Chorus',
    'Bridge',
    'Pre-Chorus',
    'Tag',
    'Ending',
    'Intro',
    'Interlude',
    'Outro',
    'Misc',
]);

test('isSectionLabel detects german labels', function (string $label) {
    expect(CcliLabels::isSectionLabel($label))->toBeTrue();
})->with([
    'Strophe 1',
    'Refrain',
    'Brücke',
    'Vorrefrain',
    'Schluss',
    'Zwischenspiel',
]);

test('isSectionLabel detects label variants', function (string $label) {
    expect(CcliLabels::isSectionLabel($label))->toBeTrue();
})->with([
    'Verse 2a',
    'Chorus 1 (Repeat)',
    'Bridge x2',
    'Verse 2b',
]);

test('isSectionLabel rejects non labels', function (string $text) {
    expect(CcliLabels::isSectionLabel($text))->toBeFalse();
})->with([
    'Random text',
    'We are singing',
    'CCLI # 123456',
    '© 2024 Publisher',
    '',
    'Amazing grace how sweet',
]);

test('isMetadataLine detects metadata lines', function (string $line) {
    expect(CcliLabels::isMetadataLine($line))->toBeTrue();
})->with([
    '© 2020 Hillsong Music',
    'CCLI # 4760',
    'CCLI-Nr. 1234567',
    'ccli.com/license',
    'SongSelect Terms',
    'All rights reserved',
    'Alle Rechte vorbehalten',
]);

test('isMetadataLine rejects normal lines', function (string $line) {
    expect(CcliLabels::isMetadataLine($line))->toBeFalse();
})->with([
    'Verse 1',
    'Amazing grace how sweet the sound',
    'Test Song 1',
]);

test('normalizeLabelName converts german labels to english', function (string $input, string $expected) {
    expect(CcliLabels::normalizeLabelName($input))->toBe($expected);
})->with([
    ['Strophe 1', 'Verse 1'],
    ['Refrain', 'Chorus'],
    ['Brücke', 'Bridge'],
    ['Vorrefrain', 'Pre-Chorus'],
    ['Schluss', 'Ending'],
    ['Zwischenspiel', 'Interlude'],
]);

test('normalizeLabelName keeps english labels unchanged', function (string $input) {
    expect(CcliLabels::normalizeLabelName($input))->toBe($input);
})->with([
    'Verse 1',
    'Chorus',
    'Bridge',
]);

test('normalizeLabelName keeps unknown labels unchanged', function () {
    expect(CcliLabels::normalizeLabelName('Foobar'))->toBe('Foobar');
    expect(CcliLabels::normalizeLabelName(''))->toBe('');
});

test('parseLabel returns structured data for labels', function (string $label, string $kind, ?string $number, ?string $modifier) {
    $result = CcliLabels::parseLabel($label);

    expect($result)->not->toBeNull();
    expect($result['kind'])->toBe($kind);
    expect($result['number'])->toBe($number);
    expect($result['modifier'])->toBe($modifier);
})->with([
    ['Verse 1', 'Verse', '1', null],
    ['Chorus', 'Chorus', null, null],
    ['Verse 2a', 'Verse', '2a', null],
    ['Chorus 1 (Repeat)', 'Chorus', '1', 'Repeat'],
    ['Strophe 2', 'Strophe', '2', null],
]);

test('parseLabel rejects non labels', function (string $text) {
    expect(CcliLabels::parseLabel($text))->toBeNull();
})->with([
    'Random text',
    'CCLI # 123',
    '',
    'Amazing grace',
]);