#!/usr/bin/env php
<?php
/**
 * rest-gen bin command
 *
 * This file uses Service_Rest_RestTool class to generate a rest-config.ini file
 * and build rest crud api for 'Restler' lib.
 *
 * @author    Erik Amaru Ortiz <aortiz.erik@gmail.com>
 */

$basePath = realpath(dirname(__FILE__) . '/../../../');
include $basePath . '/gulliver/core/Bootstrap.php';
include $basePath . '/workflow/engine/PmBootstrap.php';

$bootstrap = new PmBootstrap(array('path_trunk' => $basePath));
$bootstrap->registerClasses();
$bootstrap->configure();

if (! isset($argv[1])) {
    $help = <<<EOT
Usage: {$argv[0]} [build-crud] [gen-ini] [-p <plugin name>] [-w <workspace name>]

Options:
    build-crud : Task, build Rest Crud API.
    gen-ini    : Task, generates the rest config ini file.
    -p         : Especify a plugin to set as enviroment to perform the tasks.
    -w         : Especify a workspace to set as enviroment to perform the tasks.

EOT;

    echo $help;
    exit(0);
}

$restTool = new Service_Rest_RestTool();
$restTool->setBasePath(PATH_CORE);

try {
    switch ($argv[1]) {
        case 'build-crud':
        case 'gen-ini':
            if (isset($argv[2])) {
                if (! isset($argv[3])) {
                    throw new Exception("Missing option, need especify a valid argument after option '{$argv[2]}'");
                }

                switch ($argv[2]) {
                    case '-p':
                        // attempt create rest api from a plugin
                        if (! is_dir(PATH_PLUGINS . $argv[3]))  {
                            throw new Exception(sprintf("Plugin '%s' doesn't exist.", $argv[3]));
                        }

                        $restTool->setBasePath($optPath = PATH_PLUGINS . $argv[3] . PATH_SEP);
                        break;

                    case '-w':
                        // attempt create rest api from a plugin
                        if (! is_dir(PATH_DATA . 'sites' . PATH_SEP . $argv[3]))  {
                            throw new Exception(sprintf("Workspace '%s' doesn't exist.", $argv[3]));
                        }

                        $path = PATH_DATA . 'sites' . PATH_SEP . $argv[3] . PATH_SEP;
                        $restTool->setBasePath($path);
                        $restTool->setConfigFile($path . 'rest-config.ini');
                        $restTool->setDbXmlSchemaFile(PATH_CONFIG . 'schema.xml');
                        break;

                    default:
                        throw new Exception(sprintf("Invalid option '%s'", $argv[2]));
                }
            }

            $restTool->init();

            if ($argv[1] == 'build-crud') {
                $restTool->buildCrudApi();
            } else {
                if (file_exists(PATH_CONFIG . '/rest-config.ini')) {
                    echo "The file 'rest-config.ini' already exits, overwrite (Y/n)? ";
                    $resp = trim(fgets(STDIN));

                    if (strtolower($resp) != 'y') {
                        echo "Skipped\n";
                        exit(0);
                    }
                }

                echo "Generating config ini file ... ";

                $genFile = $restTool->buildConfigIni();

                echo "DONE!\n";
                echo "File generated: $genFile\n\n";
            }
            break;

        default:
            echo "Invalid option!\n";
            break;
    }
} catch (Exception $e) {
    Service_Rest_RestTool::out($e->getMessage(), 'error');
}