<?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:----ODg2MDMxMDU5OTE3NDIwNiAyODM3MzgxMzIyNzc5NTIzIDQ1NTIyNjYxMTk0MjQxNg==