<?php
class Customer extends AppModel {

	var $name = 'Customer';
	var $validate = array(
		'id' => array('numeric'),
		'name' => array('notempty'),
	);

	var $belongsTo = array(
		'Account',
	);

	var $hasMany = array(
		'CurrentLease' => array(
			'className' => 'Lease',
			'conditions' => 'CurrentLease.close_date IS NULL',
		),
		'Lease',
		'Transaction',
	);

	var $hasAndBelongsToMany = array(
		'Contact',
	);


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * function: findAccountEntries
   *  - Returns an array of ledger entries that belong to the current
   *    ledger of the account for the given customer.  There is extra work
   *    done... see the LedgerEntry model.
   */
/*   function findAccountEntries($id, $date = null, $link = null) { */
/*     $result = $this->find('first', array */
/* 			  ('recursive' => -1, */
/* 			   'fields' => array('account_id'), */
/* 			   'conditions' => array(array('id' => $id)), */
/* 			   )); */

/*     return $this->Account->findCurrentLedgerEntries($result['account_id'], */
/* 						    $date, $link); */
/*   } */


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * function: findSecurityDeposits
   *  - Returns an array of security deposit entries
   */
  function zfindSecurityDeposits($id, $link = null) {
    pr(array('function' => 'Customer::findSecurityDeposits',
	     'args' => compact('id', 'link'),
	     ));

    $this->Behaviors->attach('Containable');
    $customer = $this->find('first',
			    array('contain' =>
				  array('Lease' => array
					('fields' => array('Lease.account_id')),
					),
				  'fields' => array('Customer.account_id'),
				  'conditions' => array(array('Customer.id' => $id))));
    $this->Behaviors->detach('Containable');

    $account_ids = array($customer['Customer']['account_id']);
    foreach ($customer['Lease'] AS $lease)
      array_push($account_ids, $lease['account_id']);

    $acct = new Account();
    $entries = $acct->findLedgerEntriesRelatedToAccount
      ($acct->securityDepositAccountID(),
       $account_ids,
       //$acct->rentAccountID(),
       //6,
       //array_merge(array(1), $account_ids),
       true, null, $link);

    // OK, we cheated by finding the entries of the security deposit account,
    // and not by finding the security deposit entries of the customer
    // account(s).  Therefore, we have to invert the credit/debit business.
    $entries['summary']['debits'] = $entries['summary']['credit'];
    $entries['summary']['credits'] = $entries['summary']['debit'];
    unset($entries['summary']['credit']);
    unset($entries['summary']['debit']);

    pr(array('function' => 'Customer::findSecurityDeposits',
	     'args' => compact('id', 'link'),
	     'vars' => compact('customer', 'account_ids'),
	     'return' => compact('entries'),
	     ));
    return $entries;
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * function: findSecurityDeposits
   *  - Returns an array of security deposit entries
   */
  function findSecurityDeposits($id, $link = null) {
/*     pr(array_merge(array('function' => 'Customer::findSecurityDeposits', */
/* 			 'checkpoint' => 'begin'), */
/* 		   compact('id', 'link'))); */

    $this->Behaviors->attach('Containable');
    $customer = $this->find('first',
			    array('contain' =>
				  array('Lease' => array('fields' => array('id'))),
				  'fields' => array('account_id'),
				  'conditions' => array(array('Customer.id' => $id))));
    $this->Behaviors->detach('Containable');

    $entries = $this->Account->findLedgerEntriesRelatedToAccount
      ($customer['Customer']['account_id'],
       $this->Account->securityDepositAccountID(),
       true, null, $link);

    foreach ($customer['Lease'] AS $lease) {
      $ledger_entries = $this->Lease->findSecurityDeposits($lease['id'], $link);
      //$this->statsMerge($ledger_entries['summary'], $entries['summary']);
      //unset($entries['summary']);
      $this->statsMerge($entries['summary'], $ledger_entries['summary']);
      $entries['Entries'] = array_merge($entries['Entries'], $ledger_entries['Entries']);
    }

/*     pr(array('function' => 'Customer::findSecurityDeposits', */
/* 	     'args' => compact('id', 'link'), */
/* 	     'vars' => compact('customer'), */
/* 	     'return' => compact('entries'))); */

    return $entries;
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * function: stats
   *  - Returns summary data from the requested customer.
   */

  function stats($id = null) {
    if (!$id)
      return null;

    $this->Behaviors->attach('Containable');
    $customer = $this->find('first',
			    array('contain' =>
				  array('Account' => array('fields' => array('Account.id')),
					'Lease'   => array('fields' => array('Lease.id'))
					),
/* 				  array('Account' => array */
/* 					('fields' => array('id'), */
/* /\* 					 'CurrentLedger' => array *\/ */
/* /\* 					 ('fields => *\/ */
/* /\* 					'Lease'   => array('fields' => array('id') *\/ */
/* 					 ), */
/* 					), */
				  'conditions' => array(array('Customer.id' => $id))));
    $this->Behaviors->detach('Containable');

    $stats['Account'] = $this->Account->stats($customer['Account']['id']);
    foreach ($customer['Lease'] AS $lease) {
      $this->statsMerge($stats['Lease'], $this->Lease->stats($lease['id']));
    }

/*     foreach($lease['Customer']['Transaction'] AS $transaction) { */
/* 	foreach($transaction['LedgerEntry'] AS $entry) { */
/* 	  if ($entry['DebitLedger']['Account']['name'] === 'A/R') */
/* 	    $outstanding_balance += $entry['amount']; */
/* 	  if ($entry['CreditLedger']['Account']['name'] === 'A/R') */
/* 	    $outstanding_balance -= $entry['amount']; */

/* 	  if ($entry['DebitLedger']['Account']['name'] === 'Security Deposit') */
/* 	    $outstanding_deposit -= $entry['amount']; */
/* 	  if ($entry['CreditLedger']['Account']['name'] === 'Security Deposit') */
/* 	    $outstanding_deposit += $entry['amount']; */
/* 	} */
/*       } */
/*     } */
/* 	  if ($entry['DebitLedger']['Account']['name'] === 'Security Deposit') */
/* 	    $outstanding_deposit -= $entry['amount']; */
/* 	  if ($entry['CreditLedger']['Account']['name'] === 'Security Deposit') */
/* 	    $outstanding_deposit += $entry['amount']; */

    // Merge the stats from both the customer specific account, as
    // well as the lease.  This will provide current customer standing.
    $this->statsMerge($stats, $stats['Account']['Ledger']);
    $this->statsMerge($stats, $stats['Lease']['Account']['Ledger']);

    return $stats;
  }

}
?>