<?php

class TendersController extends AppController {

  var $sidemenu_links = array();


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * override: sideMenuLinks
   *  - Generates controller specific links for the side menu
   */
  function sideMenuLinks() {
    return array_merge(parent::sideMenuLinks(), $this->sidemenu_links);
  }

  
  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: index / all
   *  - Generate a listing of Tenders
   */

  function index()    { $this->all(); }
  function all()      { $this->gridView('All Legal Tender', 'all'); }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * virtuals: gridData
   *  - With the application controller handling the gridData action,
   *    these virtual functions ensure that the correct data is passed
   *    to jqGrid.
   */

  function gridDataTables(&$params, &$model) {
    return array
      ('link' =>
       array('TenderType',
	     'Customer',
	     'LedgerEntry' =>
	     array('Transaction',
		   ),
	     ),
       );
  }

  function gridDataRecordsExecute(&$params, &$model, $query) {
    $tquery = array_diff_key($query, array('fields'=>1,'group'=>1,'limit'=>1,'order'=>1));
    $tquery['fields'] = array("SUM(COALESCE(LedgerEntry.amount,0)) AS 'total'");
    $total = $model->find('first', $tquery);
    $params['userdata']['total'] = $total[0]['total'];

    return parent::gridDataRecordsExecute($params, $model, $query);
  }

  function gridDataPostProcessLinks(&$params, &$model, &$records, $links) {
    $links['Tender']      = array('name', 'id');
    $links['Customer']    = array('name');
    $links['TenderType']  = array('name');
    return parent::gridDataPostProcessLinks($params, $model, $records, $links);
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: deposit
   *  - Prepares the books for a bank deposit
   */

  function deposit() {
    // Prepare a close page...
    $deposit_types = $this->Tender->TenderType->depositTypes(
							     // Testing... limit to only one type
							     //array('limit' => 1)
							     );
    $deposit_accounts = $this->Tender->TenderType->Account->depositAccounts();

    foreach ($deposit_types AS $type_id => &$type)
      $type = array('id' => $type_id,
		    'name' => $type,
		    'stats' => $this->Tender->TenderType->stats($type_id));

    //pr(compact('deposit_types', 'deposit_accounts'));

    $title = 'Prepare Deposit';
    $this->set(compact('title', 'deposit_types', 'deposit_accounts'));
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: deposit_slip
   *  - The followup to the action 'deposit'.
   *    Processes the user input and updates the database
   */

  function deposit_slip() {
    if (!$this->data) {
      $this->Session->setFlash(__('Invalid Action', true));
      $this->redirect(array('action'=>'deposit'));
    }

    pr($this->data);

    // Start building data for our deposit
    $deposit = array('close_id' => null,
		     'total' => 0,
		     'types' => array(),
		     'Transaction' => array(),
		     'Entry' => array());

    // Go through each type of tender presented to the user
    foreach ($this->data['TenderType'] AS $type_id => $type) {
      if (!$type['checked'])
	continue;

      $tenders = $this->Tender->find
	('all',
	 array('contain' => array
	       ('Customer',
		'LedgerEntry',
		),

	       'conditions' => array(array('Tender.deposit_transaction_id' => null),
				     array('Tender.tender_type_id' => $type_id)),
	       ));

      // Prepare for both the actual deposit, as well as the deposit slip
      $deposit['types'][$type_id]['name'] = $type['name'];
      $deposit['types'][$type_id]['entries'] = array();
      $deposit['types'][$type_id]['total'] = 0;
      foreach ($tenders AS $tender) {
	$deposit['Entry'][] =
	  array('tender_id' => $tender['Tender']['id'],
		//'ledger_entry_id' => $tender['LedgerEntry']['id'],
		'account_id' => $tender['LedgerEntry']['account_id'],
		'amount'     => $tender['LedgerEntry']['amount'],
		);
	$deposit['types'][$type_id]['entries'][] =
	  array('name' => $tender['Tender']['name'],
		'customer' => $tender['Customer']['name'],
		'amount' => $tender['LedgerEntry']['amount']);
	$deposit['types'][$type_id]['total'] += $tender['LedgerEntry']['amount'];
      }

      // Add into the grand total
      $deposit['total'] += $deposit['types'][$type_id]['total'];

      if (!empty($type['close'])) {
	// Close the associated ledger
	$result = $this->Tender->LedgerEntry->Account->closeCurrentLedger
	  ($type['account_id'], $deposit['close_id']);

	if (!$result['error'] && empty($deposit['close_id']))
	  $deposit['close_id'] = $result['close_id'];
      }
    }

    $result = $this->Tender->DepositTransaction->addDeposit
      ($deposit, $this->data['Deposit']['Account']['id']);
    //pr(compact('deposit', 'result'));

    $title = 'Deposit Slip';
    $this->set(compact('title', 'deposit'));
    $this->render('deposit_slip');
    return;
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: nsf
   *  - Marks a tender as having insufficient funds.
   */

  function nsf($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('action'=>'index'));
    }

    // REVISIT <AP>: 20090713
    //  For testing purposes, must be deleted
    $stamp = '2009-07-09';
    $stamp = null;

    $this->Tender->nsf($id, $stamp);
  }

  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: view
   *  - Displays information about a specific entry
   */

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('controller' => 'accounts', 'action'=>'index'));
    }

    // Get the Tender and related fields
    $tender = $this->Tender->find
      ('first', array
       ('contain' => array('TenderType', 'Customer', 'LedgerEntry' => array('Transaction')),
	));

    // REVISIT <AP>: 20090713
    //  Consider allowing the NSF operation only if the source is used on
    //  a ledger entry that is debited on a "payable" account (perhaps
    //  even restricted to "payable" ASSET accounts), credited on Receipt
    //  (or A/R), and reconciles the credit to an entry that debits on a
    //  "depositable" account.

    // Set up dynamic menu items
    $this->sidemenu_links[] =
      array('name' => 'Operations', 'header' => true);

    $this->sidemenu_links[] =
      array('name' => 'NSF',
	    'url' => array('action' => 'nsf',
			   $id));

    // Prepare to render.
    $title = "Tender #{$tender['Tender']['id']}";
    $this->set(compact('tender', 'title'));
  }
}