<?php

class UnitsController extends AppController {


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * override: addDefaultSideMenuLinks
   *  - Adds controller specific default side menu links
   */

  function addDefaultSideMenuLinks() {
    parent::addDefaultSideMenuLinks();
  }

  
  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: index / unavailable / vacant / occupied / all
   *  - Generate a listing of units
   */

  function index()       { $this->all(); }
  function unavailable() { $this->gridView('Unavailable Units'); }
  function vacant()      { $this->gridView('Vacant Units'); }
  function occupied()    { $this->gridView('Occupied Units'); }
  function locked()      { $this->gridView('Overlocked Units'); }
  function all()         { $this->gridView('All Units', 'all'); }

  function gridView($title, $action = null, $element = null) {
    $this->addSideMenuLink('Overlocked',
			   array('controller' => 'units', 'action' => 'locked'), null,
			   'CONTROLLER');
    $this->addSideMenuLink('Occupied',
			   array('controller' => 'units', 'action' => 'occupied'), null,
			   'CONTROLLER');
    $this->addSideMenuLink('Vacant',
			   array('controller' => 'units', 'action' => 'vacant'), null,
			   'CONTROLLER');
    $this->addSideMenuLink('Unavailable',
			   array('controller' => 'units', 'action' => 'unavailable'), null,
			   'CONTROLLER');
    $this->addSideMenuLink('All',
			   array('controller' => 'units', 'action' => 'all'), null,
			   'CONTROLLER');
    parent::gridView($title, $action, $element);
  }

  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * virtuals: gridData
   *  - With the application controller handling the gridData action,
   *    these virtual functions ensure that the correct data is passed
   *    to jqGrid.
   */

  function gridDataSetup(&$params) {
    parent::gridDataSetup($params);
    if (!isset($params['action']))
      $params['action'] = 'all';
  }

  function gridDataCountTables(&$params, &$model) {
    return array
      ('link' => array('UnitSize'     => array('fields' => array('id', 'name')),
		       'CurrentLease' => array('fields' => array('id'))));

/*     if ($params['action'] === 'occupied') */
/*       $link['Lease'] = array('fields' => array(), */
/* 			     // Models */
/* 			     'Contact' => array('fields' => array('display_name'), */
/* 						//'type' => 'LEFT', */
/* 						), */
/* 			     ); */

  }

  function gridDataTables(&$params, &$model) {
    $link = $this->gridDataCountTables($params, $model);
    $link['link']['CurrentLease']['StatementEntry'] = array('fields' => array());
    return $link;
  }

/*   function gridDataTables(&$params, &$model) { */
/*     return array */
/*       ('link' => array('Unit'     => array('fields' => array('Unit.id', 'Unit.name')), */
/* 		       'Customer' => array('fields' => array('Customer.id', 'Customer.name')))); */
/*   } */

  function gridDataFields(&$params, &$model) {
    $fields = parent::gridDataFields($params, $model);

    $fields[] = 'ROUND(UnitSize.width/12 * UnitSize.depth/12, 0) AS sqft';
    return array_merge($fields,
		       $this->Unit->Lease->StatementEntry->chargeDisbursementFields(true));
  }

  function gridDataConditions(&$params, &$model) {
    $conditions = parent::gridDataConditions($params, $model);

    if ($params['action'] === 'unavailable') {
      $conditions[] = $this->Unit->conditionUnavailable();
    }
    elseif ($params['action'] === 'vacant') {
      $conditions[] = $this->Unit->conditionVacant();
    }
    elseif ($params['action'] === 'occupied') {
      $conditions[] = $this->Unit->conditionOccupied();
    }
    elseif ($params['action'] === 'unoccupied') {
      $conditions[] = array('NOT' => array($this->Unit->conditionOccupied()));
    }
    elseif ($params['action'] === 'locked') {
      $conditions[] = array('Unit.status' => 'LOCKED');
    }

    return $conditions;
  }

  function gridDataOrder(&$params, &$model, $index, $direction) {
    // Instead of sorting by name, sort by defined order
    if ($index === 'Unit.name')
      $index = 'Unit.sort_order';

    $order = array();
    $order[] = parent::gridDataOrder($params, $model, $index, $direction);

    // If sorting by anything other than name (defined order)
    // add the sort-order as a secondary condition
    if ($index !== 'Unit.name')
      $order[] = parent::gridDataOrder($params, $model,
					 'Unit.sort_order', $direction);

    return $order;
  }

  function gridDataPostProcessLinks(&$params, &$model, &$records, $links) {
    $links['Unit'] = array('name');
    //$links['UnitSize'] = array('name');
    return parent::gridDataPostProcessLinks($params, $model, $records, $links);
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: move_in
   *  - Sets up the move-in page for the given unit.
   */

  function move_in($id = null) {
    $customer = array();
    $unit = array();

    if (!empty($id)) {
      $this->Unit->recursive = -1;
      $unit = current($this->Unit->read(null, $id));
    }

    $title = 'Unit Move-In';
    $this->set(compact('customer', 'unit', 'title'));
    $this->render('/leases/move');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: move_out
   *  - prepare or execute a move out on a specific lease
   */

  function move_out($id) {

    $unit = $this->Unit->find
      ('first', array
       ('contain' => array
	(// Models
	 'CurrentLease' =>
	 array(//'conditions' => array('Lease.moveout_date' => null),
	       // Models
	       'Customer' =>
	       array('fields' => array('id', 'name'),
		     ),
	       ),
	 ),
	'conditions' => array('Unit.id' => $id),
	));
    $this->set('customer', $unit['CurrentLease']['Customer']);
    $this->set('unit',     $unit['Unit']);
    $this->set('lease',    $unit['CurrentLease']);

    $redirect = array('controller' => 'units',
		      'action' => 'view',
		      $id);

    $title = ('Lease #' . $unit['CurrentLease']['number'] . ': ' .
	      $unit['Unit']['name'] . ': ' .
	      $unit['CurrentLease']['Customer']['name'] . ': Prepare Move-Out');
    $this->set(compact('title', 'redirect'));
    $this->render('/leases/move');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: view
   *  - Displays information about a specific unit
   */

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('action'=>''));
    }

    $unit = $this->Unit->find
      ('first',
       array('contain' =>
	     array(// Models
		    'UnitSize',
		    'Lease' => array('Customer'),
		    'CurrentLease' => array('Customer')
		   ),
	     'conditions' => array('Unit.id' => $id),
	     ));

    // Get the balance on each lease.
    foreach ($unit['Lease'] AS &$lease) {
      $stats = $this->Unit->Lease->stats($lease['id']);
      $lease['balance'] = $stats['balance'];
    }

    $outstanding_balance = 0;
    $outstanding_deposit = 0;
    if (isset($unit['CurrentLease']['id'])) {
      // Figure out the outstanding balance of the current lease.
      $stats = $this->Unit->stats($id);
      $outstanding_balance =
	$stats['CurrentLease']['balance'];

      // Figure out the total security deposit for the current lease.
      $deposits = $this->Unit->Lease->securityDeposits($unit['CurrentLease']['id']);
      $outstanding_deposit = $this->Unit->Lease->securityDepositBalance($unit['CurrentLease']['id']);
    }

    // Set up dynamic menu items
    if (isset($unit['CurrentLease']['id']) &&
	!isset($unit['CurrentLease']['moveout_date'])) {
      $this->addSideMenuLink('Move-Out',
			     array('action' => 'move_out', $id), null,
			     'ACTION');
    } elseif ($this->Unit->available($unit['Unit']['status'])) {
      $this->addSideMenuLink('Move-In',
			     array('action' => 'move_in', $id), null,
			     'ACTION');
    } else {
      // Unit is unavailable (dirty, damaged, reserved, business-use, etc)
    }

    if (isset($unit['CurrentLease']['id']) &&
	!isset($unit['CurrentLease']['close_date'])) {
      $this->addSideMenuLink('New Invoice',
			     array('controller' => 'leases',
				   'action' => 'invoice',
				   $unit['CurrentLease']['id']), null,
			     'ACTION');
      $this->addSideMenuLink('New Receipt',
			     array('controller' => 'customers',
				   'action' => 'receipt',
				   $unit['CurrentLease']['customer_id']), null,
			     'ACTION');
    }

    $this->addSideMenuLink('Edit',
			   array('action' => 'edit', $id), null,
			   'ACTION');

    // Prepare to render.
    $title = 'Unit ' . $unit['Unit']['name'];
    $this->set(compact('unit', 'title',
		       'outstanding_balance',
		       'outstanding_deposit'));
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: edit
   *  - Edit unit information
   */

  function edit($id = null) {
    if (isset($this->data)) {
      // Check to see if the operation was cancelled.
      if (isset($this->params['form']['cancel'])) {
	if (empty($this->data['Unit']['id']))
	  $this->redirect(array('action'=>'index'));

	$this->redirect(array('action'=>'view', $this->data['Unit']['id']));
      }

      // Make sure we have unit data
      if (empty($this->data['Unit']))
	$this->redirect(array('action'=>'index'));

      // Make sure we have a rental rate
      if (empty($this->data['Unit']['rent']))
	$this->redirect(array('action'=>'view', $this->data['Unit']['id']));

      // Save the unit and all associated data
      $this->Unit->create();
      $this->Unit->id = $this->data['Unit']['id'];
      if (!$this->Unit->save($this->data, false)) {
	$this->Session->setFlash("UNIT SAVE FAILED", true);
	pr("UNIT SAVE FAILED");
      }

      $this->redirect(array('action'=>'view', $this->Unit->id));
    }

    if ($id) {
      $this->data = $this->Unit->findById($id);
      $title = 'Unit ' . $this->data['Unit']['name'] . " : Edit";
    }
    else {
      $title = "Enter New Unit";
      $this->data = array();
    }

    $statusEnums = $this->Unit->allowedStatusSet($id);
    $statusEnums = array_combine(array_keys($statusEnums),
				 array_keys($statusEnums));
    $this->set(compact('statusEnums'));

    $unit_sizes = $this->Unit->UnitSize->find
      ('list', array('order' => array('unit_type_id', 'width', 'depth', 'id')));
    $this->set(compact('unit_sizes'));

    // Prepare to render.
    pr($this->data);
    $this->set(compact('title'));
  }


}