<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Tool

 * @subpackage Framework

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Abstract.php 23204 2010-10-21 15:35:21Z ralph $

 */

/**

 * @see Zend_Loader_Autoloader

 */

require_once 'Zend/Loader/Autoloader.php';

/**

 * @see Zend_Tool_Framework_Registry_EnabledInterface

 */

require_once 'Zend/Tool/Framework/Registry/EnabledInterface.php';

/**

 * @category   Zend

 * @package    Zend_Tool

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

abstract class Zend_Tool_Framework_Client_Abstract implements Zend_Tool_Framework_Registry_EnabledInterface

{

    /**

     * @var Zend_Tool_Framework_Registry

     */

    protected $_registry = null;

    /**

     * @var callback|null

     */

    protected $_interactiveCallback = null;

    /**

     * @var bool

     */

    protected $_isInitialized = false;

    /**

     * @var Zend_Log

     */

    protected $_debugLogger = null;

    public function __construct($options = array())

    {

        // require autoloader 

        Zend_Loader_Autoloader::getInstance();

        // this might look goofy, but this is setting up the

        // registry for dependency injection into the client

        $registry = new Zend_Tool_Framework_Registry();

        $registry->setClient($this);

        // NOTE: at this moment, $this->_registry should contain the registry object

        if ($options) {

            $this->setOptions($options);

        }

    }

    public function setOptions(Array $options)

    {

        foreach ($options as $optionName => $optionValue) {

            $setMethodName = 'set' . $optionName;

            if (method_exists($this, $setMethodName)) {

                $this->{$setMethodName}($optionValue);

            }

        }

    }

    /**

     * getName() - Return the client name which can be used to

     * query the manifest if need be.

     *

     * @return string The client name

     */

    abstract public function getName();

    /**

     * initialized() - This will initialize the client for use

     *

     */

    public function initialize()

    {

        // if its already initialized, no need to initialize again

        if ($this->_isInitialized) {

            return;

        }

        // run any preInit

        $this->_preInit();

        $manifest = $this->_registry->getManifestRepository();

        $manifest->addManifest(new Zend_Tool_Framework_Client_Manifest());

        // setup the debug log

        if (!$this->_debugLogger instanceof Zend_Log) {

            require_once 'Zend/Log.php';

            require_once 'Zend/Log/Writer/Null.php';

            $this->_debugLogger = new Zend_Log(new Zend_Log_Writer_Null());

        }

        // let the loader load, then the repositories process whats been loaded

        $this->_registry->getLoader()->load();

        // process the action repository

        $this->_registry->getActionRepository()->process();

        // process the provider repository

        $this->_registry->getProviderRepository()->process();

        // process the manifest repository

        $this->_registry->getManifestRepository()->process();

        if ($this instanceof Zend_Tool_Framework_Client_Interactive_InputInterface) {

            require_once 'Zend/Tool/Framework/Client/Interactive/InputHandler.php';

        }

        if ($this instanceof Zend_Tool_Framework_Client_Interactive_OutputInterface) {

            $this->_registry->getResponse()->setContentCallback(array($this, 'handleInteractiveOutput'));

        }

    }

    /**

     * This method should be implemented by the client implementation to

     * construct and set custom inflectors, request and response objects.

     */

    protected function _preInit()

    {

    }

    /**

     * This method *must* be implemented by the client implementation to

     * parse out and setup the request objects action, provider and parameter

     * information.

     */

    abstract protected function _preDispatch();

    /**

     * This method should be implemented by the client implementation to

     * take the output of the response object and return it (in an client

     * specific way) back to the Tooling Client.

     */

    protected function _postDispatch()

    {

    }

    /**

     * setRegistry() - Required by the Zend_Tool_Framework_Registry_EnabledInterface

     * interface which ensures proper registry dependency resolution

     *

     * @param Zend_Tool_Framework_Registry_Interface $registry

     * @return Zend_Tool_Framework_Client_Abstract

     */

    public function setRegistry(Zend_Tool_Framework_Registry_Interface $registry)

    {

        $this->_registry = $registry;

        return $this;

    }

    /**

     * getRegistry();

     * 

     * @return Zend_Tool_Framework_Registry_Interface

     */

    public function getRegistry()

    {

        return $this->_registry;

    }

    /**

     * hasInteractiveInput() - Convienence method for determining if this

     * client can handle interactive input, and thus be able to run the

     * promptInteractiveInput

     *

     * @return bool

     */

    public function hasInteractiveInput()

    {

        return ($this instanceof Zend_Tool_Framework_Client_Interactive_InputInterface);

    }

    public function promptInteractiveInput($inputRequest)

    {

        if (!$this->hasInteractiveInput()) {

            require_once 'Zend/Tool/Framework/Client/Exception.php';

            throw new Zend_Tool_Framework_Client_Exception('promptInteractive() cannot be called on a non-interactive client.');

        }

        $inputHandler = new Zend_Tool_Framework_Client_Interactive_InputHandler();

        $inputHandler->setClient($this);

        $inputHandler->setInputRequest($inputRequest);

        return $inputHandler->handle();

    }

    /**

     * This method should be called in order to "handle" a Tooling Client

     * request that has come to the client that has been implemented.

     */

    public function dispatch()

    {

        $this->initialize();

        try {

            $this->_preDispatch();

            if ($this->_registry->getRequest()->isDispatchable()) {

                if ($this->_registry->getRequest()->getActionName() == null) {

                    require_once 'Zend/Tool/Framework/Client/Exception.php';

                    throw new Zend_Tool_Framework_Client_Exception('Client failed to setup the action name.');

                }

                if ($this->_registry->getRequest()->getProviderName() == null) {

                    require_once 'Zend/Tool/Framework/Client/Exception.php';

                    throw new Zend_Tool_Framework_Client_Exception('Client failed to setup the provider name.');

                }

                $this->_handleDispatch();

            }

        } catch (Exception $exception) {

            $this->_registry->getResponse()->setException($exception);

        }

        $this->_postDispatch();

    }

    public function convertToClientNaming($string)

    {

        return $string;

    }

    public function convertFromClientNaming($string)

    {

        return $string;

    }

    protected function _handleDispatch()

    {

        // get the provider repository

        $providerRepository = $this->_registry->getProviderRepository();

        $request = $this->_registry->getRequest();

        // get the dispatchable provider signature

        $providerSignature = $providerRepository->getProviderSignature($request->getProviderName());

        // get the actual provider

        $provider = $providerSignature->getProvider();

        // ensure that we can pretend if this is a pretend request

        if ($request->isPretend() && (!$provider instanceof Zend_Tool_Framework_Provider_Pretendable)) {

            require_once 'Zend/Tool/Framework/Client/Exception.php';

            throw new Zend_Tool_Framework_Client_Exception('Dispatcher error - provider does not support pretend');

        }

        // get the action name

        $actionName = $this->_registry->getRequest()->getActionName();

        $specialtyName = $this->_registry->getRequest()->getSpecialtyName();

        if (!$actionableMethod = $providerSignature->getActionableMethodByActionName($actionName, $specialtyName)) {

            require_once 'Zend/Tool/Framework/Client/Exception.php';

            throw new Zend_Tool_Framework_Client_Exception('Dispatcher error - actionable method not found');

        }

        // get the actual method and param information

        $methodName       = $actionableMethod['methodName'];

        $methodParameters = $actionableMethod['parameterInfo'];

        // get the provider params

        $requestParameters = $this->_registry->getRequest()->getProviderParameters();

        // @todo This seems hackish, determine if there is a better way

        $callParameters = array();

        foreach ($methodParameters as $methodParameterName => $methodParameterValue) {

            if (!array_key_exists($methodParameterName, $requestParameters) && $methodParameterValue['optional'] == false) {

                if ($this instanceof Zend_Tool_Framework_Client_Interactive_InputInterface) {

                    $promptSting = $this->getMissingParameterPromptString($provider, $actionableMethod['action'], $methodParameterValue['name']);

                    $parameterPromptValue = $this->promptInteractiveInput($promptSting)->getContent();

                    if ($parameterPromptValue == null) {

                        require_once 'Zend/Tool/Framework/Client/Exception.php';

                        throw new Zend_Tool_Framework_Client_Exception('Value supplied for required parameter "' . $methodParameterValue['name'] . '" is empty');

                    }

                    $callParameters[] = $parameterPromptValue;

                } else {

                    require_once 'Zend/Tool/Framework/Client/Exception.php';

                    throw new Zend_Tool_Framework_Client_Exception('A required parameter "' . $methodParameterValue['name'] . '" was not supplied.');

                }

            } else {

                $callParameters[] = (array_key_exists($methodParameterName, $requestParameters)) ? $requestParameters[$methodParameterName] : $methodParameterValue['default'];

            }

        }

        $this->_handleDispatchExecution($provider, $methodName, $callParameters);

    }

    protected function _handleDispatchExecution($class, $methodName, $callParameters)

    {

        if (method_exists($class, $methodName)) {

            call_user_func_array(array($class, $methodName), $callParameters);

        } elseif (method_exists($class, $methodName . 'Action')) {

            call_user_func_array(array($class, $methodName . 'Action'), $callParameters);

        } else {

            require_once 'Zend/Tool/Framework/Client/Exception.php';

            throw new Zend_Tool_Framework_Client_Exception('Not a supported method.');

        }

    }

}