<?php

namespace Composer\XdebugHandler;

/**
 * @author John Stevenson <john-stevenson@blueyonder.co.uk>
 *
 * @phpstan-type restartData array{tmpIni: string, scannedInis: bool, scanDir: false|string, phprc: false|string, inis: string[], skipped: string}
 */
class PhpConfig
{
	/**
	 * Use the original PHP configuration
	 *
	 * @return string[] Empty array of PHP cli options
	 */
	public function useOriginal(): array
	{
		$this->getDataAndReset();
		return [];
	}


	/**
	 * Use standard restart settings
	 *
	 * @return string[] PHP cli options
	 */
	public function useStandard(): array
	{
		$data = $this->getDataAndReset();
		if ($data !== null) {
		    return ['-n', '-c', $data['tmpIni']];
		}

		return [];
	}


	/**
	 * Use environment variables to persist settings
	 *
	 * @return string[] Empty array of PHP cli options
	 */
	public function usePersistent(): array
	{
		$data = $this->getDataAndReset();
		if ($data !== null) {
		    $this->updateEnv('PHPRC', $data['tmpIni']);
		    $this->updateEnv('PHP_INI_SCAN_DIR', '');
		}

		return [];
	}


	/**
	 * Returns restart data if available and resets the environment
	 *
	 * @phpstan-return restartData|null
	 */
	private function getDataAndReset(): ?array
	{
		$data = XdebugHandler::getRestartSettings();
		if ($data !== null) {
		    $this->updateEnv('PHPRC', $data['phprc']);
		    $this->updateEnv('PHP_INI_SCAN_DIR', $data['scanDir']);
		}

		return $data;
	}


	/**
	 * Updates a restart settings value in the environment
	 *
	 * @param string $name
	 * @param string|false $value
	 */
	private function updateEnv(string $name, $value): void
	{
		Process::setEnv($name, false !== $value ? $value : null);
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTc0MzI2NDI1Mzc2MDEwNSA4NjE2MTA1NjMzNjE4NjkxIDk1MDk2NDg3NjY0MTg5NzY=