<?php

class UnitsController extends AppController {
  var $paginate = array('limit' => 100,
			'group' => 'Unit.id',
			'order' => array('Unit.sort_order' => 'ASC'));

  var $sidemenu_links =
    array(array('name' => 'Units',        'header' => true),
	  array('name' => 'Occupied',     'url' => array('controller' => 'units', 'action' => 'occupied')),
	  array('name' => 'Vacant',       'url' => array('controller' => 'units', 'action' => 'vacant')),
	  array('name' => 'Unavailable',  'url' => array('controller' => 'units', 'action' => 'unavailable')),
	  array('name' => 'All',          'url' => array('controller' => 'units', 'action' => 'all')),
	  );


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * override: sideMenuLinks
   *  - Generates controller specific links for the side menu
   */
  function sideMenuLinks() {
    return array_merge(parent::sideMenuLinks(), $this->sidemenu_links);
  }

  
  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: index
   *  - Lists all units
   */

  function index() {
    $this->all();
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: unavailable
   *  - Lists unavailable units
   */

  function unavailable() {
    $this->paginate = array_merge
      ($this->paginate,
       array('link' =>
	     array(// Models
		   'UnitSize' => array('fields' => array('name')),
		   ),
	     'conditions' => $this->Unit->conditionUnavailable()
	     ));

    $title = 'Unavailable Units';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('units', $this->paginate());
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: vacant
   *  - Lists vacant units
   */

  function vacant() {
    $this->paginate = array_merge
      ($this->paginate,
       array('link' =>
	     array(// Models
		   'UnitSize' => array('fields' => array('name')),
		   ),
	     'conditions' => $this->Unit->conditionVacant()
	     ));

    $title = 'Vacant Units';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('units', $this->paginate());
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: occupied
   *  - Lists occupied units
   */

  function occupied() {
    $this->paginate = array_merge
      ($this->paginate,
       array('link' =>
	     array(// Models
		   'UnitSize' => array('fields' => array('name')),
		   'Lease' =>    array('fields' => array(),

				       // Models
				       'Contact' => array('fields' => array('display_name'),
							  //'type' => 'LEFT',
							  ),
				       ),
		   ),
	     'conditions' => $this->Unit->conditionOccupied()
	     ));

    $title = 'Occupied Units';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('units', $this->paginate());
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: all
   *  - Lists all units
   */

  function all() {
    $this->paginate = array_merge
      ($this->paginate,
       array('link' =>
	     array(// Models
		   'UnitSize' => array('fields' => array('name')),
		   ),
	     ));

    $title = 'All Units';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('units', $this->paginate());
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: view
   *  - Displays information about a specific unit
   */

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('action'=>''));
    }

    $this->Unit->Behaviors->attach('Containable');
    $this->Unit->contain
      (array(// Models
	     'UnitSize',
	     'Lease' => array('Customer'),
	     'CurrentLease' => array('Customer')
	     )
       );
    $unit = $this->Unit->read(null, $id);
    $this->Unit->Behaviors->detach('Containable');

    // Get the balance on each lease.
    foreach ($unit['Lease'] AS &$lease) {
      $stats = $this->Unit->Lease->stats($lease['id']);
      $lease['balance'] = $stats['Account']['Ledger']['balance'];
    }

    // Figure out the outstanding balance of the current lease.
    $stats = $this->Unit->stats($id);
    $outstanding_balance =
      $stats['CurrentLease']['Account']['Ledger']['balance'];

    // Figure out the total security deposit for the current lease.
    $deposits = $this->Unit->Lease->findSecurityDeposits($unit['CurrentLease']['id']);
    $outstanding_deposit = $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 = 'Unit ' . $unit['Unit']['name'];
    $this->set(compact('unit', 'title',
		       'outstanding_balance',
		       'outstanding_deposit'));
  }
}