<?php

class DynamicContactResource extends Resource {

    /**
     * Busca um contato dinâmico da lista do usuário
     *
     * @license    http://www.gnu.org/copyleft/gpl.html GPL
     * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
     * @sponsor    Caixa Econômica Federal
     * @author     Adriano Coutinho da Silva
     * @author     Adir Kuhn
     * @return     Retorna um item da colection de contatos dinâmicos de um usuário
     * @access     public
     * */
    function get($request, $id) {
	try {
	    $response = new Response($request);
	    $response->addHeader('Content-type', 'aplication/json');

	    $isValidId = $this->isValidId($id);

	    if (!$isValidId) {
		$this->createException($response, Response::BADREQUEST, 'Malformed URL', 'Malformed URL');
		return $response;
	    }
	    $response->code = Response::OK;

	    $this->secured();
	    //$dynamicContact = false;
	    $dynamicContact = Controller::find(array('concept' => 'dynamicContact'), false, array('filter' => array('AND', array('=', 'owner', Config::me("uidNumber")), array('=', 'id', $id))));

	    $resourceHref = str_replace($request->baseUri, '', $request->uri);

	    if ($dynamicContact) {
		$data = array();
		foreach ($dynamicContact as $key => $value) {
		    $data[$key] = array(
			'href' => '/dynamiccontacts/' . $value['id'],
			'data' => array(
			    array(
				'name' => "name",
				'value' => $value['name'],
				'prompt' => "Nome do Contato"
			    ),
			    array(
				"name" => "email",
				"value" => $value['mail'],
				"prompt" => "Email do Contato"
			    )
			),
			'links' => array(
			    array(
				'href' => $resourceHref,
				'rel' => 'delete',
				'prompt' => 'Remover contato dinamico',
				'name' => 'delete-contact',
				'render' => 'link'
			    ),
			    array(
				'href' => $resourceHref,
				'rel' => 'update',
				'prompt' => 'Editar contato dinamico',
				'name' => 'edit-contact',
				'render' => 'link'
			    )
			)
		    );
		}
	    } else {
		$this->createException($response, Response::NOTFOUND, 'Contact not found', ( $isValidId ? "The contact " . $id . " wasn't found on this server" : 'url malformed'));
		return $response;
	    }

	    $result = array(
		"version" => "0.1",
		"collection" => array(
		    "href" => $resourceHref,
		    "type" => "dynamic-contact",
		    "data" => array(
			"name" => "dynamic-contact-" . $id,
			"prompt" => "Contato dinâmico"
		    ),
		    "pagination" => null,
		    "items" => $data,
		    "queries" => null,
		    "template" => array(
			"data" => array(
			    array(
				"name" => "name",
				"value" => "",
				"prompt" => "Nome do contato",
				"dataType" => "string",
				"minLength" => 0,
				"maxLength" => 100,
				"required" => false
			    ),
			    array(
				"name" => "email",
				"value" => "",
				"prompt" => "Email do contato",
				"dataType" => "string",
				"minLength" => 0,
				"maxLength" => 100,
				"required" => true
			    )
			)
		    ),
		'error' => null
		)
	    );
	} catch (Exception $ex) {
	    $this->createException($response, Response::INTERNALSERVERERROR, 'Internal Server Error', $ex);
	    return $response;
	}

	$response->body = json_encode($result);
	return $response;
    }

    /**
     * Deleta um item da coleção de contatos dinâmicos
     *
     * @license    http://www.gnu.org/copyleft/gpl.html GPL
     * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
     * @sponsor    Caixa Econômica Federal
     * @author     Adriano Coutinho da Silva
     * @author     Adir Kuhn
     * @return     status http
     * @access     public
     * */
    function delete($request, $id) {

	try {
	    $response = new Response($request);
	    $response->addHeader('Content-type', 'aplication/json');

	    $isValidId = $this->isValidId($id);
	    if (!$isValidId) {
		$this->createException($response, Response::BADREQUEST, 'Malformed URL', 'Malformed URL');
		return $response;
	    }

	    $this->secured();

	    $response->code = Response::OK;
	    $error = null;

	    $exists = Controller::find(array('concept' => 'dynamicContact'), false, array('filter' => array('AND',
			    array('=', 'owner', Config::me("uidNumber")),
			    array('=', 'id', $id)
			    )));

	    if (!$exists) {
		$this->createException($response, Response::BADREQUEST, 'Contact not found', "The contact " . $id . " wasn't found on this server");
		return $response;
	    }

	    $deletedDynamicContact = Controller::delete(array('concept' => 'dynamicContact'), false, array('filter' => array('=', 'id', $id)));

	    if (!$deletedDynamicContact)
		$error = array(
		    'code' => '500',
		    'title' => 'Internal Server Error',
		    'description' => Controller::service('PostgreSQL')->error
		);
	} catch (Exception $ex) {
	    $this->createException($response, Response::INTERNALSERVERERROR, 'Internal Server Error', $ex);
	    return $response;
	}
	return $response;
    }

    /**
     * Atualiza um item da coleção de contatos dinâmicos
     *
     * @license    http://www.gnu.org/copyleft/gpl.html GPL
     * @author     Consórcio Expresso Livre - 4Linux (www.4linux.com.br) e Prognus Software Livre (www.prognus.com.br)
     * @sponsor    Caixa Econômica Federal
     * @author     Adriano Coutinho da Silva
     * @author     Adir Kuhn
     * @return     status http
     * @access     public
     * */
    function put($request, $id) {
	try {
	    $response = new Response($request);
	    $response->addHeader('Content-type', 'aplication/json');

	    $isValidId = $this->isValidId($id);
	    if (!$isValidId) {
		$this->createException($response, Response::BADREQUEST, 'Malformed URL', 'Malformed URL');
		return $response;
	    }

	    $data = $request->dataDecoded;

	    if ($this->validData($data)) {

		$this->secured();

		$response->code = Response::OK;
		$exists = Controller::find(array('concept' => 'dynamicContact'), false, array('filter' => array('AND',
				array('=', 'owner', Config::me("uidNumber")),
				array('=', 'mail', $data['email'])
				)));

		if (!empty($exists)) {
		    $this->createException($response, Response::BADREQUEST, 'Bad request', Controller::service('PostgreSQL')->error);
		    return $response;
		}

		$newDynamicContact = Controller::update(array('concept' => 'dynamicContact', 'id' => $id), array('name' => $data['name'], 'mail' => $data['email'], 'timestamp' => time()));

		if (!$newDynamicContact)
		    $this->createException($response, Response::INTERNALSERVERERROR, 'Internal Server Error', Controller::service('PostgreSQL')->error);
	    } else
		$this->createException($response, Response::BADREQUEST, 'Bad request', 'Invalid template data');
	} catch (Exception $ex) {
	    $this->createException($response, Response::INTERNALSERVERERROR, 'Internal Server Error', $ex);
	    return $response;
	}

	return $response;
    }

    private function createException(&$response, $code, $title, $description) {
	$result = array(
	    'version' => '0.1',
	    'collection' => array(
		'error' => array(
		    'code' => $code,
		    'title' => $title,
		    'description' => $description
		)
	    )
	);
	$response->code = $code;
	$response->body = json_encode($result);
    }

    private function validData($data) {
	return ((array_key_exists('name', $data) && !empty($data['name'])) && (array_key_exists('email', $data) && !empty($data['email']))) ? true : false;
    }

    private function isValidId($id) {
	if (is_numeric($id)) {
	    return strlen($id) > 10 ? false : true;
	}else
	    return false;
    }

}

?>