<?php

class AccountsController extends AppController {
  var $paginate = array
    ('limit' => 100,
     'link' =>
     array(// Models
	   'CurrentLedger' => array
	   (// Models
	    'LedgerEntry' =>
	    array('fields' =>
		  array('SUM(IF(LedgerEntry.debit_ledger_id  = CurrentLedger.id, LedgerEntry.amount, 0)) AS debits',
			'SUM(IF(LedgerEntry.credit_ledger_id = CurrentLedger.id, LedgerEntry.amount, 0)) AS credits',
			"SUM(IF(Account.type IN ('ASSET', 'EXPENSE'),
		                IF(LedgerEntry.debit_ledger_id = CurrentLedger.id, 1, -1),
		                IF(LedgerEntry.credit_ledger_id = CurrentLedger.id, 1, -1)
                                )* LedgerEntry.amount) AS balance",
			'COUNT(LedgerEntry.id) AS entries'),
		  'conditions' =>
		  array('OR' =>
			array('LedgerEntry.debit_ledger_id  = CurrentLedger.id',
			      'LedgerEntry.credit_ledger_id = CurrentLedger.id'),
			),
		  ),
	    ),
	   ),
     'group' => 'Account.id',
     'order' => array('Account.name' => 'ASC'));

  var $uses = array('Account', 'LedgerEntry');

  var $sidemenu_links =
    array(array('name' => 'Accounts',        'header' => true),
	  array('name' => 'All',             'url' => array('controller' => 'accounts', 'action' => 'all')),
	  array('name' => 'Asset',           'url' => array('controller' => 'accounts', 'action' => 'asset')),
	  array('name' => 'Liability',       'url' => array('controller' => 'accounts', 'action' => 'liability')),
	  array('name' => 'Equity',          'url' => array('controller' => 'accounts', 'action' => 'equity')),
	  array('name' => 'Income',          'url' => array('controller' => 'accounts', 'action' => 'income')),
	  array('name' => 'Expense',         'url' => array('controller' => 'accounts', 'action' => 'expense')),
	  );


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * override: sideMenuLinks
   *  - Generates controller specific links for the side menu
   */
  function sideMenuLinks() {
    return array_merge(parent::sideMenuLinks(), $this->sidemenu_links);
  }

  
  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: index
   *  - Lists all accounts
   */

  function index() {
    $this->all();
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: asset
   *  - Lists all asset accounts
   */

  function asset() {
    $title = 'Asset Accounts';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('accounts', $this->paginate(array('Account.type' => 'ASSET')));
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: liability
   *  - Lists all liability accounts
   */

  function liability() {
    $title = 'Liability Accounts';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('accounts', $this->paginate(array('Account.type' => 'LIABILITY')));
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: equity
   *  - Lists all equity accounts
   */

  function equity() {
    $title = 'Equity Accounts';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('accounts', $this->paginate(array('Account.type' => 'EQUITY')));
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: income
   *  - Lists all income accounts
   */

  function income() {
    $title = 'Income Accounts';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('accounts', $this->paginate(array('Account.type' => 'INCOME')));
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: expense
   *  - Lists all expense accounts
   */

  function expense() {
    $title = 'Expense Accounts';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('accounts', $this->paginate(array('Account.type' => 'EXPENSE')));
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: all
   *  - Lists all accounts
   */

  function all() {
    $title = 'All Accounts';
    $this->set('title', $title); $this->set('heading', $title);
    $this->set('accounts', $this->paginate());
    $this->render('index');
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * action: view
   *  - Displays information about a specific account
   */

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Item.', true));
      $this->redirect(array('action'=>'index'));
    }

/*     $this->Account->bindModel(array('hasMany' => array */
/* 				    ('LedgerEntry' => array */
/* 				     ('className' => 'LedgerEntry', */
/* 				      'foreignKey' => false, */
/* 				      'finderQuery' => 'SELECT `LedgerEntry`.* */
/*                                                          FROM pmgr_entries AS `LedgerEntry` */
/*                                                            LEFT JOIN pmgr_transactions AS `Transaction` */
/*                                                              ON `Transaction`.id = `LedgerEntry`.transaction_id */
/* 					                 WHERE LedgerEntry.debit_ledger_id = ({$__cakeID__$}) */
/* 					                    OR LedgerEntry.credit_ledger_id = ({$__cakeID__$}) */
/* 					                 ORDER BY Transaction.stamp', */
/* 				      )))); */

/*     $this->Account->Behaviors->attach('Containable'); */
/*     $this->Account->Contain(array('LedgerEntry' => array */
/* 				  ( */
/* 				   // Models */
/* 				   'Transaction' => array */
/* 				   ( */
/* 				    // Models */
/* 				    'Customer', */
/* 				    )), */
				  
/* 				  )); */
/*     } */
/*     $account = $this->Account->read(null, $id); */


    $this->Account->recursive = -1;
    $account = $this->Account->read(null, $id);

    $account['Ledger'] = $this->Account->find
      ('all', array
       ('link' => array
	(// Models
	 'Ledger' => array
	 (// Models
	  'LedgerEntry' =>
	  array('fields' =>
		array('SUM(IF(LedgerEntry.debit_ledger_id  = Ledger.id, LedgerEntry.amount, 0)) AS debits',
		      'SUM(IF(LedgerEntry.credit_ledger_id = Ledger.id, LedgerEntry.amount, 0)) AS credits',
		      "SUM(IF(Account.type IN ('ASSET', 'EXPENSE'),
		              IF(LedgerEntry.debit_ledger_id = Ledger.id, 1, -1),
		              IF(LedgerEntry.credit_ledger_id = Ledger.id, 1, -1)
                             ) * LedgerEntry.amount) AS balance",
		      'COUNT(LedgerEntry.id) AS entries'),
		'conditions' =>
		array('OR' =>
		      array('LedgerEntry.debit_ledger_id  = Ledger.id',
			    'LedgerEntry.credit_ledger_id = Ledger.id'),
		      ),
		),
	  ),
	 ),
	'fields' => array(),
	'conditions' => array('Account.id' => $id),
	'order' => 'Ledger.name',
	'group' => 'Ledger.id',
	'limit' => 4,
	));

    
    $account['CurrentLedger'] = array_shift($this->Account->Ledger->find
      ('first', array
       ('link' => array
	(// Models
	 'Account' => array('fields' => array()),
	 'LedgerEntry' =>
	 array('fields' =>
	       array("SUM(IF(LedgerEntry.debit_ledger_id  = Ledger.id, LedgerEntry.amount, 0)) AS debits",
		     "SUM(IF(LedgerEntry.credit_ledger_id = Ledger.id, LedgerEntry.amount, 0)) AS credits",
		     "SUM(IF(Account.type IN ('ASSET', 'EXPENSE'),
		              IF(LedgerEntry.debit_ledger_id  = Ledger.id, 1, -1),
		              IF(LedgerEntry.credit_ledger_id = Ledger.id, 1, -1)
                             ) * LedgerEntry.amount) AS balance",
		     'COUNT(LedgerEntry.id) AS entries'),
	       'conditions' =>
	       array('OR' =>
		     array("LedgerEntry.debit_ledger_id  = Ledger.id",
			   "LedgerEntry.credit_ledger_id = Ledger.id"),
		     ),
	       ),
	 ),
	'fields' => array(),
	'conditions' => array(array('Ledger.account_id' => $id),
			      'NOT' => array('Ledger.closed')),
	//'order' => 'Ledger.name',
	'group' => 'Ledger.id',
	//'limit' => 4,
	)));
    //pr($account);

    $balance = $account['CurrentLedger']['balance'];
    $title = 'Account: ' . $account['Account']['name'];
    $this->set(compact('account', 'title', 'balance'));
  }
}