<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://hyperf.wiki
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
 */
namespace Hyperf\Database\Commands\Migrations;

use Hyperf\Database\Migrations\MigrationCreator;
use Hyperf\Utils\Str;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputOption;
use Throwable;

class GenMigrateCommand extends BaseCommand
{
    /**
     * The migration creator instance.
     *
     * @var \Hyperf\Database\Migrations\MigrationCreator
     */
    protected $creator;

    /**
     * Create a new migration install command instance.
     */
    public function __construct(MigrationCreator $creator)
    {
        parent::__construct('gen:migration');
        $this->setDescription('Generate a new migration file');

        $this->creator = $creator;
    }

    /**
     * Execute the console command.
     */
    public function handle()
    {
        // It's possible for the developer to specify the tables to modify in this
        // schema operation. The developer may also specify if this table needs
        // to be freshly created so we can create the appropriate migrations.
        $name = Str::snake(trim($this->input->getArgument('name')));

        $table = $this->input->getOption('table');

        $create = $this->input->getOption('create') ?: false;

        // If no table was given as an option but a create option is given then we
        // will use the "create" option as the table name. This allows the devs
        // to pass a table name into this option as a short-cut for creating.
        if (! $table && is_string($create)) {
            $table = $create;

            $create = true;
        }

        // Next, we will attempt to guess the table name if this the migration has
        // "create" in the name. This will allow us to provide a convenient way
        // of creating migrations that create new tables for the application.
        if (! $table) {
            [$table, $create] = TableGuesser::guess($name);
        }

        // Now we are ready to write the migration out to disk. Once we've written
        // the migration out, we will dump-autoload for the entire framework to
        // make sure that the migrations are registered by the class loaders.
        $this->writeMigration($name, $table, $create);
    }

    protected function getArguments(): array
    {
        return [
            ['name', InputArgument::REQUIRED, 'The name of the migration'],
        ];
    }

    protected function getOptions(): array
    {
        return [
            ['create', null, InputOption::VALUE_OPTIONAL, 'The table to be created'],
            ['table', null, InputOption::VALUE_OPTIONAL, 'The table to migrate'],
            ['path', null, InputOption::VALUE_OPTIONAL, 'The location where the migration file should be created'],
            ['realpath', null, InputOption::VALUE_NONE, 'Indicate any provided migration file paths are pre-resolved absolute paths'],
        ];
    }

    /**
     * Write the migration file to disk.
     */
    protected function writeMigration(string $name, ?string $table, bool $create): void
    {
        try {
            $file = pathinfo($this->creator->create(
                $name,
                $this->getMigrationPath(),
                $table,
                $create
            ), PATHINFO_FILENAME);
            $this->info("<info>[INFO] Created Migration:</info> {$file}");
        } catch (Throwable $e) {
            $this->error("<error>[ERROR] Created Migration:</error> {$e->getMessage()}");
        }
    }

    /**
     * Get migration path (either specified by '--path' option or default location).
     *
     * @return string
     */
    protected function getMigrationPath()
    {
        if (! is_null($targetPath = $this->input->getOption('path'))) {
            return ! $this->usingRealPath()
                            ? BASE_PATH . '/' . $targetPath
                            : $targetPath;
        }

        return parent::getMigrationPath();
    }

    /**
     * Determine if the given path(s) are pre-resolved "real" paths.
     */
    protected function usingRealPath(): bool
    {
        return $this->input->hasOption('realpath') && $this->input->getOption('realpath');
    }
}
