stevegrunwell/smee

<?php

namespace Smee\Console;

use Exception;
use Smee\Exceptions\HookExistsException;
use Smee\Project;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

class InstallCommand extends Command
{
    protected function configure()
    {
        $this->setName('install')
            ->setDescription('Install git hooks for the current project.')
            ->addOption(
                'base-dir',
                null,
                InputOption::VALUE_OPTIONAL,
                'The path to the root directory of the project',
                getcwd()
            )
            ->addOption(
                'hooks',
                null,
                InputOption::VALUE_OPTIONAL,
                'The path to the hooks directory, relative to the project root',
                '.githooks'
            );
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $project = new Project($input->getOption('base-dir'), $input->getOption('hooks'));
        $io = new SymfonyStyle($input, $output);

        return $this->executeCommand($project, $io);
    }

    /**
     * Method used for running execute(), even if an exception is thrown along the way.
     *
     * @param Project      $project
     * @param SymfonyStyle $io
     */
    protected function executeCommand($project, $io)
    {
        try {
            $project->copyHooks();
        } catch (HookExistsException $e) {
            $handleConflict = $io->choice(
                sprintf('A %s hook already exists for this repository, how would you like to proceed?', $e->getHook()),
                [
                    'o' => 'Overwrite',
                    's' => 'Skip',
                    'd' => 'Show differences',
                ],
                'Skip'
            );

            switch ($handleConflict) {
                case 'o':
                    $project->copyHook($e->getHook(), true);
                    break;

                // Show differences, then prompt the user what to do.
                case 'd':
                    $io->write($project->diffHook($e->getHook()));
                    $secondAsk = $io->choice(
                        sprintf(
                            'A %s hook already exists for this repository, how would you like to proceed?',
                            $e->getHook()
                        ),
                        [
                            'o' => 'Overwrite',
                            's' => 'Skip',
                        ],
                        'Skip'
                    );

                    if ('o' === $secondAsk) {
                        $project->copyHook($e->getHook(), true);
                    } else {
                        $project->skipHook($e->getHook());
                    }
                    break;

                default:
                    $project->skipHook($e->getHook());

                    break;
            }

            // Start the process over again.
            $project->copyHooks();
        } catch (Exception $e) {
            $io->getErrorStyle()->error(sprintf('An error occurred while copying git hooks: %s', $e->getMessage()));
            return 1;
        }

        $copied = $project->getCopiedHooks();

        // Nothing was copied, return early.
        if (empty($copied)) {
            return;
        }

        $io->section('Copied git hooks:');
        $io->listing($project->getCopiedHooks());
    }
}