<?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:----MzMxODgwOTIyODEyOTQzOCA4MTI5MTI3MDU3MjU5NzQ1IDU2NTAzNDIyNTIwNDU4MDQ=