<?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 index()   { $this->current(); }
  function current() { $this->jqGridView('Current Tenants'); }
  function past()    { $this->jqGridView('Past Tenants'); }
  function all()     { $this->jqGridView('All Tenants', 'all'); }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * virtuals: jqGridData
   *  - With the application controller handling the jqGridData action,
   *    these virtual functions ensure that the correct data is passed
   *    to jqGrid.
   */

  function jqGridDataSetup(&$params) {
    parent::jqGridDataSetup($params);
    if (!isset($params['action']))
      $params['action'] = 'all';
  }

  function jqGridDataTables(&$params) {
    return array
      ('link' =>
       array(// Models
	    'PrimaryContact',
	    'CurrentLease' => array('fields' => array()),
	     ),
       );
  }

  function jqGridDataFields(&$params) {
    return array('Customer.*',
		 'COUNT(CurrentLease.id) AS lease_count');
  }

  function jqGridDataConditions(&$params) {
    $conditions = parent::jqGridDataConditions($params);

    if ($params['action'] === 'current') {
      $conditions[] = 'CurrentLease.id IS NOT NULL';
    }
    elseif ($params['action'] === 'past') {
      $conditions[] = 'CurrentLease.id IS NULL';
    }

    return $conditions;
  }

  function jqGridDataRecordCount(&$params, $model, $query) {

    // We don't have a good way to use the query to obtain
    // our count.  The problem is that we're relying on the
    // group by for the query, which will destroy the count,
    // whether we omit the group by or leave it in.
    // So, build a fresh query for counting.

    $query['conditions'] = parent::jqGridDataConditions($params);

    $count = $model->find('count',
			  array_merge(array('link' => array_diff_key($query['link'],
								     array('CurrentLease'=>1))),
				      array_diff_key($query, array('link'=>1))));
				      
    if ($params['action'] === 'all')
      return $count;

    $query['conditions'][] = 'CurrentLease.id IS NULL';
    $count_past = $model->find('count', $query);

    // Since we can't easily count 'current' directly, we
    // can quickly derive it since 'current' customers
    // are mutually exclusive to 'past' customers.
    if ($params['action'] == 'current')
      $count = $count - $count_past;
    elseif ($params['action'] == 'past') {
      $count = $count_past;
    }

    return $count;
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * 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'));
  }

}