<?php

namespace App\Http\Business;

use Luticate\Utils\LuBusiness;
use App\Http\DataAccess\CommandsDataAccess;
use App\Http\DBO\CommandsDbo;

class CommandsBusiness extends LuBusiness {
    protected static function getDataAccess()
    {
        return new CommandsDataAccess();
    }

    protected static function checkCommand(CommandsDbo $command, $command_id = null)
    {
        $existingCommand = CommandsDataAccess::getByName($command->getName());
        if (!is_null($existingCommand) && $command_id != $existingCommand->getId()) {
            self::badInput("Command name already exists");
        }
        if (is_null($command->getName()) || strlen($command->getName()) == 0) {
            self::badInput("Missing command name");
        }
        HostsBusiness::getById($command->getHostId());
        CommandTypesBusiness::getById($command->getCommandTypeId());
        if (is_null($command->getDescription())) {
            $command->setDescription("");
        }
        if (is_null($command->getData()) || strlen($command->getData()) == 0) {
            $command->setData("{}");
        }
        $json = json_decode($command->getData());
        if (is_null($json)) {
            self::badInput("Command data could not be converted to json");
        }
    }

    public static function add(CommandsDbo $command)
    {
        self::checkCommand($command);
        return CommandsDataAccess::addId($command);
    }

    public static function edit(CommandsDbo $command, $command_id)
    {
        self::getById($command_id);
        self::checkCommand($command, $command_id);
        $command->setId($command_id);
        return CommandsDataAccess::editById($command_id, $command);
    }

    public static function exec($command_id)
    {
        self::getById($command_id);
        return true;
    }
}