/**
* 一つのお題を表す配列から問題行に直列化します。
* @param (string|string[]|float)[][] $word
* @param string $directoryName
* @return string 末尾に改行 (CRLF) を含みます。
*/
protected function serializeQuestionLine(array $word, string $directoryName) : string
{
$line = ['Q'];
if (isset($word['image'][0])) {
$line[] = 2;
$fileLocation = $word['image'][0];
} elseif (isset($word['audio'][0])) {
$line[] = 1;
$fileLocation = $word['audio'][0];
} else {
$line[] = 0;
}
$line[] = isset($word['question'][0]) ? $this->serializeQuizField($word['question'][0]) : '';
if (isset($fileLocation)) {
$line[] = (\Stringy\StaticStringy::contains($fileLocation, '/') ? '' : "./{$directoryName}/") . $fileLocation;
}
if (isset($word['specifics'][0])) {
$specifics = new URLSearchParams($word['specifics'][0]);
if ($specifics->has('start')) {
$line[] = 'start=' . round($specifics->get('start') * InteligenceoParser::SECONDS_TO_MILISECONDS);
}
if ($specifics->has('repeat')) {
$line[] = 'repeat=' . $specifics->get('repeat');
}
if ($specifics->has('length')) {
$line[] = 'length=' . round($specifics->get('length') * InteligenceoParser::SECONDS_TO_MILISECONDS);
}
if ($specifics->has('speed')) {
$line[] = 'speed=' . round($specifics->get('speed') * InteligenceoParser::DECIMAL_TO_PERCENT);
}
if ($specifics->has('magnification')) {
$magnification = round($specifics->get('magnification'));
if ($magnification > 0) {
$line[] = "zoom_start={$magnification}";
if ($specifics->has('last-magnification')) {
$lastMagnification = round($specifics->get('last-magnification'));
if ($lastMagnification > 0) {
$line[] = "zoom_end={$lastMagnification}";
}
}
}
}
if ($specifics->has('pixelization')) {
$line[] = 'mozaic=1';
}
if ($specifics->has('score')) {
$line[] = 'score=' . $specifics->get('score');
if ($specifics->has('last-score')) {
$line[] = 'finalscore=' . $specifics->get('last-score');
}
}
}
return implode(',', $line) . "\r\n";
}
