<?php

class CustomersController extends AppController {
  var $sidemenu_links =
    array(array('name' => 'Tenants',       'header' => true),
          array('name' => 'Current',       'url' => array('controller' => 'customers', 'action' => 'current')),
          array('name' => 'Past',          'url' => array('controller' => 'customers', 'action' => 'past')),
          array('name' => 'All',           'url' => array('controller' => 'customers', 'action' => 'all')),
          );

  //var $components = array('RequestHandler');


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * override: sideMenuLinks
   *  - Generates controller specific links for the side menu
   */
  function sideMenuLinks() {
    return array_merge(parent::sideMenuLinks(), $this->sidemenu_links);
  }

  
  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: index / current / past / all
   *  - Creates a list of tenants
   */

  function jqGridSetup($action, $title) {
    $this->set('title', $title); $this->set('heading', $title);
    // The resulting page will contain a jqGrid, which will
    // use ajax to obtain the actual data for this action
    $this->set('action', $action);
    $this->render('index');
  }

  function index()   { $this->current(); }
  function current() { $this->jqGridSetup('current', 'Current Tenants'); }
  function past()    { $this->jqGridSetup('past',    'Past Tenants'); }
  function all()     { $this->jqGridSetup('all',     'All Tenants'); }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: jqGridData
   *  - Fetches the actual data requested by jqGrid as XML
   */

  function jqGridData() {
    // Assume we're debugging.
    // The actual jqGrid request will set this to false
    $debug = true;

    if (isset($this->passedArgs['debug']))
      $debug = $this->passedArgs['debug'];

    if (!$debug) {
      $this->layout = null;
      $this->autoLayout = false;
      $this->autoRender = false;
      Configure::write('debug', '0');
    }

    // Set up some defaults
    $page = 1;             // page number
    $rows = 20;            // rows in the grid - rowNum parameter
    $sidx = 'Customer.id'; // sort column - index from colModel
    $sord = 'ASC';         // sort order
    $action = 'current';   // specific customer list

    // Extract the actual settings from the jqGrid request
    if (isset($this->params['url']) && is_array($this->params['url']))
      extract($this->params['url']);

    // Unserialize our complex structure
    if (isset($fields))
      $fields = unserialize($fields);
    else 
      $fields = array('Customer.id', 'Customer.name');

    // Set up the basic 'contain' field to query the
    // pertinent information.
    $contain =
      array(// Models
	    'PrimaryContact',
/* 	      array(// Models */
/* 		    'ContactPhone', */
/* 		    'ContactEmail', */
/* 		    'ContactAddress', */
/* 		    ), */

/* 	      'Account' => */
/* 	      array('fields' => array('Account.id')), */

	    'CurrentLease' =>
	    array('fields' => array(),
		  'Unit' =>
		  array('fields' => array('name')),
		  ),
	    );

    // Calculate the number of rows for the query, and figure out
    // any special query conditions that will be necessary
    $count = $this->Customer->find('count');
    if ($action != 'all') {
      $count_past = $this->Customer->find('count',
					  array('link' => array('CurrentLease'),
						'conditions' => 'CurrentLease.id IS NULL'));
      if ($action == 'current') {
	$count = $count - $count_past;
	$contain['CurrentLease']['conditions'] = 'CurrentLease.id IS NOT NULL';
      }
      elseif ($action == 'past') {
	$count = $count_past;
	$contain['CurrentLease']['conditions'] = 'CurrentLease.id IS NULL';
      }
    }

    // Verify a few parameters and determine our starting row
    $total_pages = ($count < 0) ? 0 : ceil($count/$rows);
    $page  = ($page < 1) ? 1 : (($page > $total_pages) ? $total_pages : $page);
    $start = $rows*$page - $rows;

    // the actual query for the grid data
    $customers = $this->Customer->find
      ('all',
       array('contain' => $contain,
	     'order'   => "$sidx $sord",
	     'limit'   => "$start, $rows",
	     ));

/*     $query['order'] = "$sidx $sord"; */
/*     $query['limit'] = "$start, $rows"; */
/*     $query['group'] = 'Customer.id', */
/*     $query = array('link' => */
/* 		   array(// Models */
/* 			 'PrimaryContact', */
/* 			 'CurrentLease' =>  */
/* 			 array('fields' => array(), */
/* 			       'Unit' => */
/* 			       array('fields' => array('name')), */
/* 			       ), */
/* 			 ), */
/* 		   ); */

    if ($debug) {
      ob_start();
      print_r(compact('count', 'rows', 'total_pages', 'page', 'start', 'customers'));
    }
    else {
      if ( stristr($_SERVER["HTTP_ACCEPT"],"application/xhtml+xml") ) {
	header("Content-type: application/xhtml+xml;charset=utf-8");
      } else {
	header("Content-type: text/xml;charset=utf-8");
      }

      echo "<?xml version='1.0' encoding='utf-8'?>\n";
    }

    echo "<rows>\n";
/*     echo " <parms>\n"; */
/*     echo "  <a><![CDATA[{$a}]]></a>\n";  */
/*     echo "  <b><![CDATA[{$b}]]></b>\n";  */
/*     echo "  <c><![CDATA[{$c}]]></c>\n";  */
/*     echo "  <d><![CDATA[{$d}]]></d>\n"; */
/*     echo "  <named><![CDATA[" . print_r($this->params, true) . "]]></named>\n"; */
/*     echo "  <passed><![CDATA[" . print_r($this->passedArgs, true) . "]]></passed>\n"; */
/*      echo "  <params><![CDATA[" . print_r($params, true) . "]]></params>\n"; */
/*      echo "  <tp><![CDATA[" . print_r($tp, true) . "]]></tp>\n"; */
/*     echo " </parms>\n"; */
    echo " <page>".$page."</page>\n";
    echo " <total>".$total_pages."</total>\n";
    echo " <records>".$count."</records>\n";

    // be sure to put text data in CDATA
    foreach ($customers AS $customer) {
      $customer['Customer']['units'] =
	implode("; ",
		array_map(create_function
			  ('$lease', 'return $lease["Unit"]["name"];'),
			  $customer['CurrentLease']));


      echo " <row id='{$customer['Customer']['id']}'>\n";
      foreach ($fields AS $field) {
	list($tbl, $col) = explode(".", $field);
	echo "  <cell><![CDATA[{$customer[$tbl][$col]}]]></cell>\n"; 
      }
      echo " </row>\n";
    }
    echo "</rows>\n";

    if ($debug) {
      $xml = ob_get_contents();
      ob_end_clean();

      $xml = preg_replace("/&/", "&amp;", $xml);
      $xml = preg_replace("/</", "&lt;", $xml);
      $xml = preg_replace("/>/", "&gt;", $xml);

      echo ("\n<PRE>\n$xml\n</PRE>\n");
    }
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: view
   *  - Displays information about a specific customer
   */

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('action'=>'index'));
    }

    $customer = $this->Customer->details($id);

    $outstanding_balance = $customer['stats']['balance'];
    $outstanding_deposit = $customer['deposits']['summary']['balance'];

    $this->sidemenu_links[] =
      array('name' => 'Operations',       'header' => true);
    $this->sidemenu_links[] =
      array('name' => 'Move-Out',         'url' => array('controller' => 'units', 'action' => 'move-out'));

    // Prepare to render.
    $title = $customer['Customer']['name'];
    $this->set(compact('customer', 'title',
                       'outstanding_balance',
                       'outstanding_deposit'));
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: payment
   *  - Sets up the payment entry page for the given customer.
   */

  function payment($id = null) {
/*     if (!$id) { */
/*       $this->Session->setFlash(__('Invalid Item.', true)); */
/*       $this->redirect(array('action'=>'index')); */
/*     } */

    if ($this->RequestHandler->isPost()) {
      pr($this->data);
      //$this->redirect(array('action'=>'index'));
      $customer = $this->data;
    }
    elseif (isset($id)) {
      $customer = $this->Customer->details($id);
      unset($customer['deposits']['Entries']);
    }
    else {
      $customer = null;
    }

    $title = 'Payment Entry';
    $this->set(compact('customer', 'title'));
  }

}