<?php
/* SVN FILE: $Id$ */

/**
 * Creates ready-to-use file skeletons for applications.
 * 
 * Creates controller, model, view files, and the required directories on demand.
 * Used by /scripts/bake.php.
 *
 * PHP versions 4 and 5
 *
 * CakePHP :  Rapid Development Framework <http://www.cakephp.org/>
 * Copyright (c) 2005, CakePHP Authors/Developers
 *
 * Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com>
 *            Larry E. Masters aka PhpNut <nut@phpnut.com>
 *            Kamil Dzielinski aka Brego <brego.dk@gmail.com>
 *
 *  Licensed under The MIT License
 *  Redistributions of files must retain the above copyright notice.
 *
 * @filesource 
 * @author       CakePHP Authors/Developers
 * @copyright    Copyright (c) 2005, CakePHP Authors/Developers
 * @link         https://trac.cakephp.org/wiki/Authors Authors/Developers
 * @package      cake
 * @subpackage   cake.libs
 * @since        CakePHP v 0.2.9
 * @version      $Revision$
 * @modifiedby   $LastChangedBy$
 * @lastmodified $Date$
 * @license      http://www.opensource.org/licenses/mit-license.php The MIT License
 */

/**
 * Require needed libraries.
 */
uses('object', 'inflector');

/**
 * Creates ready-to-use file skeletons for applications.
 * 
 * Bake class creates files in configured application directories. This is a
 * base class for /scripts/add.php.
 *
 * @package    cake
 * @subpackage cake.libs
 * @since      CakePHP v 0.2.9
  */
class Bake extends Object {

/**
 * Standard input stream (php://stdin).
 *
 * @var resource
 * @access private
 */
   var $stdin = null;

/**
 * Standard output stream (php://stdout).
 *
 * @var resource
 * @access private
 */
   var $stdout = null;

/**
 * Standard error stream (php://stderr).
 *
 * @var resource
 * @access private
 */
   var $stderr = null;

/**
 * Counts actions taken.
 *
 * @var integer
 * @access private
 */
   var $actions = null;

/**
 * Decides whether to overwrite existing files without asking.
 *
 * @var boolean
 * @access private
 */
   var $dontAsk = false;

/**
 * Returns code template for PHP file generator.
 *
 * @param string $type
 * @return string
 * @access private
 */
   function template ($type) 
   {
      switch ($type) 
      {
         case 'view': return "%s";
         case 'model': return "<?php\n\nclass %s extends AppModel {\n}\n\n?>";
         case 'action': return "\n\tfunction %s () {\n\t}\n";
         case 'ctrl': return "<?php\n\nclass %s extends %s {\n%s\n}\n\n?>";
         case 'helper': return "<?php\n\nclass %s extends AppController {\n}\n\n?>";
         case 'test': return '<?php

class %sTest extends TestCase {
   var $abc;

   // called before the tests
   function setUp() 
   {
      $this->abc = new %s ();
   }

   // called after the tests
   function tearDown() 
   {
      unset($this->abc);
   }
   
/*
   function testFoo () 
   {
      $result = $this->abc->Foo();
      $expected = \'\';
      $this->assertEquals($result, $expected);
   }
*/
}

?>';
         default:
            return false;
      }
   }


/**
 * Baker's constructor method. Initialises bakery, and starts production.
 *
 * @param string $type
 * @param array $names
 * @access public
 * @uses Bake::stdin Opens stream for reading.
 * @uses Bake::stdout Opens stream for writing.
 * @uses Bake::stderr Opens stream for writing.
 * @uses Bake::newModel() Depending on the case, can create a new model.
 * @uses Bake::newView() Depending on the case, can create a new view.
 * @uses Bake::newController() Depending on the case, can create a new controller.
 */
   function __construct ($type, $names) 
   {

      $this->stdin = fopen('php://stdin', 'r');
      $this->stdout = fopen('php://stdout', 'w');
      $this->stderr = fopen('php://stderr', 'w');

      // Output directory name
      fwrite($this->stderr, "\n".substr(ROOT,0,strlen(ROOT)-1).":\n".str_repeat('-',strlen(ROOT)+1)."\n");

      switch ($type) 
      {

         case 'model':
         case 'models':
            foreach ($names as $model_name)
               $this->newModel($model_name);
         break;

         case 'controller':
         case 'ctrl':
            $controller = array_shift($names);

            $add_actions = array();
            foreach ($names as $action) 
            {
               $add_actions[] = $action;
               $this->newView($controller, $action);
            }

            $this->newController($controller, $add_actions);
         break;

         case 'view':
         case 'views':
            $r = null;
            foreach ($names as $model_name) 
            {
               if (preg_match('/^([a-z0-9_]+(?:\/[a-z0-9_]+)*)\/([a-z0-9_]+)$/i', $model_name, $r)) 
               {
                  $this->newView($r[1], $r[2]);
               }
            }
         break;
      }

      if (!$this->actions)
         fwrite($this->stderr, "Nothing to do, quitting.\n");
            
   }

/**
 * Creates new view in VIEWS/$controller/ directory.
 *
 * @param string $controller
 * @param string $name
 * @access private
 * @uses Inflector::underscore() Underscores directory's name.
 * @uses Bake::createDir() Creates new directory in views dir, named after the controller.
 * @uses VIEWS
 * @uses Bake::createFile() Creates view file.
 * @uses Bake::template() Collects view template.
 * @uses Bake::actions Adds one action for each run.
 */
   function newView ($controller, $name) 
   {
//      $controller = Inflector::pluralize($controller);
      $dir = Inflector::underscore($controller);
      $path = $dir.DS.strtolower($name).".thtml";
      $this->createDir(VIEWS.$dir);
      $fn = VIEWS.$path;
      $this->createFile($fn, sprintf($this->template('view'), "<p>Edit <b>app".DS."views".DS."{$path}</b> to change this message.</p>"));
      $this->actions++;
   }

/**
 * Creates new controller with defined actions, controller's test and helper
 * with helper's test.
 *
 * @param string $name
 * @param array $actions
 * @access private
 * @uses Inflector::pluralize()
 * @uses Bake::makeController()
 * @uses Bake::makeControllerTest()
 * @uses Bake::makeHelper()
 * @uses Bake::makeHelperTest()
 * @uses Bake::actions Adds one action for each run.
 */
   function newController ($name, $actions=array()) 
   {
//       $name = Inflector::pluralize($name);
      $this->makeController($name, $actions);
      $this->makeControllerTest($name);
      $this->makeHelper($name);
      $this->makeHelperTest($name);
      $this->actions++;
   }

/**
 * Creates new controller file with defined actions.
 *
 * @param string $name
 * @param array $actions
 * @return boolean
 * @access private
 * @uses Bake::makeControllerName() CamelCase for controller's name.
 * @uses Bake::makeHelperName() CamelCase for helper's name. 
 * @uses Bake::template() Controller's template.
 * @uses Bake::getActions() Actions' templates to be included in the controller.
 * @uses Bake::createFile() Creates controller's file.
 * @uses Bake::makeControllerFn() Underscored name for controller's filename.
 */
   function makeController ($name, $actions) 
   {
      $ctrl = $this->makeControllerName($name);
      $helper = $this->makeHelperName($name);
      $body = sprintf($this->template('ctrl'), $ctrl, $helper, join('', $this->getActions($actions)));
      return $this->createFile($this->makeControllerFn($name), $body);
   }

/**
 * Returns controller's name in CamelCase.
 *
 * @param string $name
 * @return string
 * @access private
 * @uses Inflector::camelize CamelCase for controller name.
 */
   function makeControllerName ($name) 
   {
      return Inflector::camelize($name).'Controller';
   }

/**
 * Returns a name for controller's file, underscored.
 *
 * @param string $name
 * @return string
 * @access private
 * @uses Inflector::underscore() Underscore for controller's file name.
 */
   function makeControllerFn ($name) 
   {
      return CONTROLLERS.Inflector::underscore($name).'_controller.php';
   }

/**
 * Creates new test for a controller.
 *
 * @param string $name
 * @return boolean
 * @access private
 * @uses CONTROLLER_TESTS
 * @uses Inflector::underscore()
 * @uses Bake::getTestBody()
 * @uses Bake::makeControllerName()
 * @uses Bake::createFile()
 */
   function makeControllerTest ($name) 
   {
      $fn = CONTROLLER_TESTS.Inflector::underscore($name).'_controller_test.php';
      $body = $this->getTestBody($this->makeControllerName($name));
      return $this->createFile($fn, $body);
   }

/**
 * Creates new helper.
 *
 * @param string $name
 * @return boolean
 * @access private
 * @uses Bake::template()
 * @uses Bake::makeHelperName()
 * @uses Bake::createFile()
 * @uses Bake::makeHelperFn()
 */
   function makeHelper ($name) 
   {
      $body = sprintf($this->template('helper'), $this->makeHelperName($name));
      return $this->createFile($this->makeHelperFn($name), $body);
   }

/**
 * Returns CamelCase name for a helper.
 *
 * @param string $name
 * @return string
 * @access private
 * @uses Inflector::camelize()
 */
   function makeHelperName ($name) 
   {
      return Inflector::camelize($name).'Helper';
   }

/**
 * Underscores file name for a helper.
 *
 * @param string $name
 * @return string
 * @access private
 * @uses HELPERS
 * @uses Inflector::underscore()
 */
   function makeHelperFn ($name) 
   {
      return HELPERS.Inflector::underscore($name).'_helper.php';
   }

/**
 * Creates new test for a helper.
 *
 * @param string $name
 * @return boolean
 * @access private
 * @uses HELPER_TESTS
 * @uses Inflector::underscore()
 * @uses Bake::getTestBody()
 * @uses Bake::makeHelperName()
 * @uses Bake::createFile()
 */
   function makeHelperTest ($name) 
   {
      $fn = HELPER_TESTS.Inflector::underscore($name).'_helper_test.php';
      $body = $this->getTestBody($this->makeHelperName($name));
      return $this->createFile($fn, $body);
   }

/**
 * Returns an array of actions' templates.
 *
 * @param array $as
 * @return array
 * @access private
 * @uses Bake::template()
 */
   function getActions ($as) 
   {
      $out = array();
      foreach ($as as $a)
         $out[] = sprintf($this->template('action'), $a);
      return $out;
   }

/**
 * Returns a test template for given class.
 *
 * @param string $class
 * @return string
 * @access private
 * @uses Bake::template()
 */
   function getTestBody ($class) 
   {
      return sprintf($this->template('test'), $class, $class);
   }

/**
 * Creates new model.
 *
 * @param string $name
 * @access private
 * @uses Bake::createFile()
 * @uses Bake::getModelFn()
 * @uses Bake::template()
 * @uses Bake::getModelName()
 * @uses Bake::makeModelTest()
 * @uses Bake::actions
 */
   function newModel ($name) 
   {
      $this->createFile($this->getModelFn($name), sprintf($this->template('model'), $this->getModelName($name)));
      $this->makeModelTest ($name);
      $this->actions++;
   }

/**
 * Returns an underscored filename for a model.
 *
 * @param string $name
 * @return string
 * @access private
 * @uses MODELS
 * @uses Inflector::underscore()
 */
   function getModelFn ($name) 
   {
      return MODELS.Inflector::underscore($name).'.php';
   }

/**
 * Creates a test for given model.
 *
 * @param string $name
 * @return boolean
 * @access private
 * @uses MODEL_TESTS
 * @uses Inflector::underscore()
 * @uses Bake::getTestBody()
 * @uses Bake::getModelName()
 * @uses Bake::createFile()
 */
   function makeModelTest ($name) 
   {
      $fn = MODEL_TESTS.Inflector::underscore($name).'_test.php';
      $body = $this->getTestBody($this->getModelName($name));
      return $this->createFile($fn, $body);
   }

/**
 * Returns CamelCased name of a model.
 *
 * @param string $name
 * @return string
 * @access private
 * @uses Inflector::camelize()
 */
   function getModelName ($name)
   {
      return Inflector::camelize($name);
   }

/**
 * Creates a file with given path and contents.
 *
 * @param string $path
 * @param string $contents
 * @return boolean
 * @access private
 * @uses Bake::dontAsk
 * @uses Bake::stdin
 * @uses Bake::stdout
 * @uses Bake::stderr
 */
   function createFile ($path, $contents) 
   {
      $shortPath = str_replace(ROOT,null,$path);

      if (is_file($path) && !$this->dontAsk) 
      {
         fwrite($this->stdout, "File {$shortPath} exists, overwrite? (yNaq) "); 
         $key = trim(fgets($this->stdin));

         if ($key=='q') 
         {
            fwrite($this->stdout, "Quitting.\n");
            exit;
         }
         elseif ($key=='a') 
         {
            $this->dont_ask = true;
         }
         elseif ($key=='y') 
         {
         }
         else 
         {
            fwrite($this->stdout, "Skip   {$shortPath}\n");
            return false;
         }
      }

      if ($f = fopen($path, 'w')) 
      {
         fwrite($f, $contents);
         fclose($f);
         fwrite($this->stdout, "Wrote   {$shortPath}\n");
//         debug ("Wrote {$path}");
         return true;
      }
      else 
      {
         fwrite($this->stderr, "Error! Couldn't open {$shortPath} for writing.\n");
//         debug ("Error! Couldn't open {$path} for writing.");
         return false;
      }
   }

/**
 * Creates a directory with given path.
 *
 * @param string $path
 * @return boolean
 * @access private
 * @uses Bake::stdin
 * @uses Bake::stdout
 */
   function createDir ($path) 
   {
      if (is_dir($path))
         return true;

      $shortPath = str_replace(ROOT, null, $path);

      if (mkdir($path)) 
      {
         fwrite($this->stdout, "Created {$shortPath}\n");
//         debug ("Created {$path}");
         return true;
      }
      else 
      {
         fwrite($this->stderr, "Error! Couldn't create dir {$shortPath}\n");
//         debug ("Error! Couldn't create dir {$path}");
         return false;
      }
   }

}

?>