<?php
class DocumentsController extends AppController {

  var $name = 'Documents';
  var $helpers = array('Html', 'Form', 'Number', 'Decimal');


  var $paginate = array(
    'contain' => false,
    'limit' => 200,
    'order'=>array('Document.id' => 'desc')
  );

  var $components = array('Email');

  function index() {
    $this->Document->recursive = 0;
    $this->set('documents', $this->paginate());

    $this->set('users', $this->Document->User->getUsersList());
  }

  function view($id = null) {
    if (!$id) {
      $this->Session->setFlash(__('Invalid Document.', true));
      $this->redirect(array('action'=>'index'));
    }
    $document = $this->Document->read(null,$id);

    $this->set('document', $document);

    $this->data = $document;
    $docType = $this->Document->getDocType($document);
    $this->set('docType', $docType);

    $this->set('docTypeFullName', $this->Document->getDocFullName($docType));
    $this->set('users', $this->Document->User->getUsersList());

    $this->set('currency', $this->Document->getCurrency($document));
    $this->set('enquiry', $this->Document->getEnquiry($document));

    $this->set('attachments', $this->Document->DocumentAttachment->find('all', array('conditions'=>array('document_id'=> $id))));
	  $this->set('principles', $this->Document->LineItem->Product->Principle->find('list'));

    switch($docType) {
    case 'quote':
      $docTypeElement = 'document_quote_view';
      break;
    case 'invoice':
      $docTypeElement = 'document_invoice_view';
      $this->set('currencies', $this->Document->Invoice->Currency->find('list'));
      $this->set('invoice', $this->Document->Invoice->find('first', array('conditions'=>array('Invoice.id'=>$document['Invoice']['id']))));
      break;
    case 'purchaseOrder':
      $docTypeElement = 'document_purchase_order_view';
      break;
    case 'orderAck':
      $this->set('currencies', $this->Document->OrderAcknowledgement->Currency->find('list'));
      $this->set('job', $this->Document->OrderAcknowledgement->Job->find('first', array('conditions'=>array('Job.id'=>$document['OrderAcknowledgement']['job_id']))));
      $docTypeElement = 'document_orderack_view';
    }

    $this->set('docTypeElement', $docTypeElement);

    //	$this->set('principles', $this->Document->LineItem->Product->Principle->find('list'));
  }


  function getProducts($principleID = null) {
    $this->layout = 'ajax';

    if($principleID == null) {
      echo "INVALID PRINCIPLE ID";
    }
    else {
      $products = $this->Document->LineItem->Product->find('list', array('conditions'=>array('Product.principle_id'=>$principleID)));
      $this->set('products',$products);
    }
  }


  /**
   * Return a JSON object of the Product.
   */
  function getProductDetails($productID = null) {
    $this->layout = 'ajax';

    if($productID == null) {
      echo "INVALID PRODUCT ID";
    }
    else {
      $product = $this->Document->LineItem->Product->find('first',array('conditions'=>array('Product.id'=>$productID)));
      $this->set('product',$product);
    }
  }


  function getAttachments($documentID) {
    $this->layout = 'ajax';
    if(!$documentID) {
      echo "FAIL";
    }
    else {
      $this->set('attachments', $this->Document->DocumentAttachment->find('all', array('conditions'=>array('document_id'=> $documentID))));
    }
  }

  function getAttachmentsByPrinciple($principleID) {
    $this->layout = 'ajax';
    if(!$principleID) {
      echo "FAIL";
    }
    else {
      $attachments = $this->Document->DocumentAttachment->Attachment->find('all', array('conditions'=>array('principle_id'=> $principleID)));
      $this->set('attachments', $attachments);
    }
  }

  function saveAttachments() {
    $this->layout = 'ajax';
    if($this->data) {
      $attachments = array();
      foreach($this->data['DocumentAttachment']['attachment_id'] as $i => $attachment_id) {
        $docID = $this->data['DocumentAttachment']['document_id'];
        $query = "DELETE FROM document_attachments WHERE document_id = {$docID} AND attachment_id = {$attachment_id}";
        echo $query."<br>";
        //$this->Document->DocumentAttachment->query($query);

        $attachment['DocumentAttachment']['document_id'] = $this->data['DocumentAttachment']['document_id'];
        $attachment['DocumentAttachment']['attachment_id'] =  $attachment_id;
        if(!$this->Document->DocumentAttachment->save($attachment)) {
          echo "FAIL";
          return;
        }
      }
      echo "SUCCESS";
    }
    else {
      echo "FAIL";
    }
  }


  /**
   * Create a New Document
   *
   *
   * @param <type> $type
   * @param <type> $id
   */
  function newDocument($type = null, $enquiryid = null, $jobid = 0) {
    if(!$type) {
      $this->Session->setFlash('Invalid Doc Type or ID');
    }

    $this->Document->create();

    switch($type) {
    case "quote":

      $enquiry = $this->Document->Quote->Enquiry->findById($enquiryid);

      if(!$enquiry) {
        $this->Session->setFlash('Invalid Enquiry ID');
        $this->redirect(array('action'=>'index'));
        return;
      }


      $this->data['Quote']['enquiry_id'] = $enquiryid;
      $number_of_revisions = $this->Document->Quote->findCount('Quote.enquiry_id ='. $enquiryid);
      $this->data['Document']['revision'] = $number_of_revisions;
      $this->data['Quote']['date_issued'] = date('Y-m-d');
      $this->data['Quote']['currency_id'] = 2; //All new Quotes default to AUD.

      $this->data['Document']['user_id']= $enquiry['Enquiry']['user_id'];

      $this->data['Document']['type'] = 'quote';
      break;
    case "invoice":

      $invoice_number_offset = 4436; //What Invoice number we are up to. Starting at 4500 due to the data loss.

      $number_of_invoices = $this->Document->Invoice->findCount();

      $enquiry = $this->Document->Invoice->Enquiry->read(null, $enquiryid);
      if(!$enquiry) {
        $this->Session->setFlash('Invalid Enquiry ID');
        $this->redirect(array('action'=>'index'));
        return;
      }

      $newInvoiceNumber = $invoice_number_offset + $number_of_invoices;
      $this->data['Invoice']['enquiry_id'] = $enquiryid;
      $this->data['Invoice']['title'] = "CMCIN".$newInvoiceNumber;
      $this->data['Invoice']['job_id'] = $jobid;
      $this->data['Invoice']['customer_id'] = $enquiry['Enquiry']['customer_id'];

      $this->data['Document']['user_id']= $enquiry['Enquiry']['user_id'];
      //$number_of_revisions = $this->Document->Invoice->findCount('Invoice.enquiry_id ='. $enquiryid);
      $this->data['Document']['revision'] = 0; //No revisions for Invoices. I have decreed it!
      $this->data['Document']['type'] = 'invoice';

      $this->data['Invoice']['issue_date'] = date('Y-m-d'); //Argh. Quote model uses 'date_issed'.
      $this->data['Invoice']['due_date'] = date("Y-m-d", strtotime("+30 days"));


      $this->data['Invoice']['currency_id'] = 2; //All new Invoices default to AUD.

      break;
    case "purchaseOrder":

      $count = $this->Document->PurchaseOrder->findCount();
      $count++;

      $offset = 2060;
      $count += $offset;
      $newPOnumber = "CMCPO".$count;
      $this->data['PurchaseOrder']['title'] = $newPOnumber;
      $this->data['PurchaseOrder']['issue_date'] = date('Y-m-d');

      $this->data['Document']['user_id']= $enquiry['Enquiry']['user_id'];
      $this->data['Document']['revision'] = 0; //No revisions for POs. I have decreed it!
      $this->data['Document']['type'] = 'purchaseOrder';
      break;
    case "orderAck":
      $enquiry = $this->Document->OrderAcknowledgement->Enquiry->read(null, $enquiryid);
      $this->data['OrderAcknowledgement']['job_id'] = $jobid;
      $this->data['OrderAcknowledgement']['enquiry_id'] = $enquiryid;
      $this->data['OrderAcknowledgement']['currency_id'] = 2; //Default to AUD.
      $this->data['Document']['user_id']= $enquiry['Enquiry']['user_id'];
      $this->data['Document']['revision'] = 0; //No revisions for Order Acks. I have decreed it!
      $this->data['Document']['type'] = 'orderAck';
      break;

    }

    if ($this->Document->saveAll($this->data)) {
      $newid = $this->Document->id;

      $this->Session->setFlash(__('The Document has been saved', true));
      $this->redirect(array('action'=>'view',$newid));
    } else {
      $this->Session->setFlash(__('The Document could not be saved. Something went wrong! Ensure all fields are entered correctly.', true));
    }


  }


  /**
   * Revise a Document.
   *
   * @param int $id - the document ID we want to make a new revision of.
   * @return <type>
   */

  function revise($id = null) {
    if(!$id) {
      $this->Session->setFlash('Invalid Document ID');
      return;
    }

    $document = $this->Document->find('first', array('conditions' => array('Document.id' => $id)));

    $this->set('document', $document);

    $this->Document->create();

    if(!empty($document['Invoice']['id'])) {
      echo "WE HAVE AN INVOICE";
    }
    else if (!empty($document['Quote']['id'])) {

      //First setup the Date and default valid until date. (30 days from today).

      $today_date = date("Y-m-d");
      $valid_until = date("Y-m-d", strtotime("+30 days"));

      $newDoc = array();


      $newDoc['Quote'] = $this->unset_keys($document['Quote'], array('id','created'));

      $newDoc['Quote']['date_issued'] = $today_date;
      $newDoc['Quote']['days_valid'] = 30;
      $newDoc['Quote']['valid_until'] = $valid_until;

      $enquiryid = $document['Quote']['enquiry_id'];
      $number_of_revisions = $this->Document->Quote->findCount('Quote.enquiry_id ='. $enquiryid);
      $newDoc['Document']['revision'] = $number_of_revisions;
      $newDoc['Document']['type'] = 'quote';


      $newDoc['DocPage'] = $document['DocPage'];

      foreach($newDoc['DocPage'] as $index => $li) {
        $newDoc['DocPage'][$index]['id'] = null;
        $newDoc['DocPage'][$index]['document_id'] = null;
      }

    }

    else if (!empty($document['PurchaseOrder']['id'])) {
      echo "WE ARE REVISING A PO";
    }


    else if (!empty($document['OrderAcknowledgement']['id'])) {
      echo "WE ARE REVISING An ORDER ACK";
    }


    /** Copy the LineItems from this Document. Applies to all of the Document Types */
    if(!empty($document['LineItem'])) {
      $newDoc['LineItem'] = $document['LineItem'];
      foreach($newDoc['LineItem'] as $index => $li) {
        $newDoc['LineItem'][$index]['id'] = null;
        $newDoc['LineItem'][$index]['document_id'] = null;
        $newDoc['LineItem'][$index]['costing_id'] = null;
      }
    }


    $this->set('newDoc', $newDoc);
    //
    //print_r($newDoc);
    if ($this->Document->saveAll($newDoc)) {
      $newid = $this->Document->id;
      $this->Session->setFlash(__("Revision {$number_of_revisions} created", true));
      $this->redirect(array('action'=>'view',$newid));
    } else {
      $this->Session->setFlash(__('The Document could not be saved. Please, try again.', true));
    }

  }


  function ajax_edit($id = null) {
    $this->layout = 'ajax';

    if (!$id && empty($this->data)) {
      echo 'Invalid Document ID';
    }
    if (!empty($this->data)) {
      $docID = $this->data['Document']['id'];
      $this->Document->DocPage->deleteAll(array('document_id'=>$docID));
      $this->Document->DocPage->updateCounterCache(array('document_id'=>$docID));


      if ($this->Document->saveAll($this->data)) {
        echo 'SUCCESS';
      } else {
        echo 'FAILURE';
      }
    }
    else {
      echo 'FAILURE';
    }
  }


  /**
   *
   * Convert a Quote to an OrderAcknowledgement.
   *
   * Create a new Job for the Enquiry.
   *
   * Make a new Document (orderack) with the same LineItems as Quote with Document ID #$id
   *
   *
   */
  function convert_to_oa() {
    $this->layout = 'ajax';
    if (empty($this->data)) {
      echo 'FAILURE';
    }
    else {
      $id = $this->data['Document']['id'];

      $originalDoc = $this->Document->find('first', array('conditions' => array('Document.id' => $id)));

      $enquiry = $this->Document->OrderAcknowledgement->Enquiry->find('first', array('conditions'=>array('Enquiry.id'=>$originalDoc['Quote']['enquiry_id'])));
      $enquiry['Enquiry']['status_id'] = 3; //Job Won, Order Placed

      $this->Document->OrderAcknowledgement->Enquiry->save($enquiry);

      $customer = $this->Document->OrderAcknowledgement->Enquiry->Customer->find('first', array('conditions'=>array('Customer.id'=>$enquiry['Enquiry']['customer_id'])));

      $customer['Customer']['customer_category_id'] = 3; //make Customer a Creditor

      $this->Document->OrderAcknowledgement->Enquiry->Customer->save($customer);

      $job = $this->Document->OrderAcknowledgement->Job->newJob($enquiry, $this->data['Job']['customer_order_number']); //Only way to know Enquiry ID is if it's a Quote.

    
      if($job == false) {
        echo 'Error: Unable to create Job';
      }
      else {
        $newDoc = array();
        $newDoc['Document']['type'] = 'orderAck';
        $newDoc['OrderAcknowledgement']['job_id'] = $job['Job']['id'];
        $newDoc['OrderAcknowledgement']['enquiry_id'] = $enquiry['Enquiry']['id'];
        $newDoc['OrderAcknowledgement']['currency_id'] = 2; //Default to AUD.
        $newDoc['OrderAcknowledgement']['issue_date'] = date('Y-m-d');
        
        $newDoc['Document']['user_id']= $enquiry['Enquiry']['user_id'];
        $newDoc['Document']['revision'] = 0; //No revisions for Order Acks. I have decreed it!
        $newDoc['Document']['type'] = 'orderAck';

        if(isset($enquiry['BillingAddress']['id'])) {
          $newDoc['Document']['bill_to'] = '<b>'.$customer['Customer']['name'].'</b><br/>';
          $newDoc['Document']['bill_to'] .= $this->Document->OrderAcknowledgement->Enquiry->formatAddress($enquiry['BillingAddress']['id'], 'BillingAddress');
        }

        if(isset($enquiry['ShippingAddress']['id'])) {
          $newDoc['Document']['ship_to'] = '<b>'.$customer['Customer']['name'].'</b><br/>';
          $newDoc['Document']['ship_to'] .= $this->Document->OrderAcknowledgement->Enquiry->formatAddress($enquiry['ShippingAddress']['id'], 'ShippingAddress');
        }


        /** Copy the LineItems from this Document. Applies to all of the Document Types */
        if(!empty($originalDoc['LineItem'])) {
          $newDoc['LineItem'] = $originalDoc['LineItem'];
          foreach($newDoc['LineItem'] as $index => $li) {
            $newDoc['LineItem'][$index]['id'] = null;
            $newDoc['LineItem'][$index]['document_id'] = null;
            $newDoc['LineItem'][$index]['costing_id'] = null;
          }
        }

        if ($this->Document->saveAll($newDoc)) {
          $newid = $this->Document->id;
          $this->Session->setFlash(__("Job {$job['Job']['title']} and Order Acknowledgement created", true));
          $this->redirect(array('action'=>'view',$newid));
        } else {
          $this->Session->setFlash(__('The Document could not be saved. Please, try again.', true));
        }
        $this->Document->saveAll($newDoc);
      }
    }

  }


  /**
   * Convert an Order Acknowledgement to an Invoice.
   *
   * @TODO Finish this.
   *
   * @param <int> $id
   */
  function convert_to_invoice($id = null) {
    if (!$id) {
      echo 'Invalid Document ID';
    }
    else {


    }


  }


  function pdf($id = null) {
    //Configure::write('debug',0);
    if(!$id) {
      $this->Session->setFlash(__('Invalid Document', true));
      $this->redirect(array('controller'=>'documents', 'action'=>'index'));
    }

    $document = $this->Document->read(null,$id);

    $this->set('document', $document);

    $this->data = $document;

    $docType = $this->Document->getDocType($document);
    $docTypeFullName = $this->Document->getDocFullName($docType);


    $currency = $this->Document->getCurrency($document);
    $enquiry = $this->Document->getEnquiry($document);

    $this->set('docType', $docType);
    $this->set('docTypeFullName',strtoupper($docTypeFullName));
    $this->set('currency',$currency);
    $this->set('currencyCode', $currency['Currency']['iso4217']);
    $this->set('currencySymbol', $currency['Currency']['symbol']);

    $gst = $enquiry['Enquiry']['gst'];

    $this->set('gst', $gst);

    if($gst == 1) {
      $totalsDescText = array(
        'subtotal' => 'SUBTOTAL',
        'gst' => 'GST (10%)',
        'total' => 'TOTAL DUE'
      );
    }
    else {
      $totalsDescText = array(
        'subtotal' => 'SUBTOTAL',
        'gst' => 'GST (10%)',
        'total' => 'TOTAL PAYABLE'
      );
    }


    $totals = $this->calculateTotals($document, $gst);
    $this->set('totals',$totals);
    $this->set('totalsDescText',$totalsDescText);

    $this->set('currency', $currency);
    $this->set('enquiry', $enquiry);

    $this->set('principlesList', $this->Document->LineItem->Product->Principle->find('list'));

    $this->set('products', $document['LineItem']);
    $this->set('states', $this->Document->Invoice->Enquiry->State->find('list'));


    //Set filename for the document.
    //
    switch($docType) {
    case "quote":
      $filename = $enquiry['Enquiry']['title'];
      $template_name = 'pdf_quote';
      break;

    case "invoice":
      $filename = $document['Invoice']['title'];
      $this->set('docTitle', $document['Invoice']['title']);
      $this->set('job', $this->Document->Invoice->Job->find('first', array('conditions'=>array('Job.id'=>$document['Invoice']['job_id']))));
      $this->set('issue_date_string', date('d F Y', strtotime($document['Invoice']['issue_date'])));

      $this->set('ship_via', $document['Invoice']['ship_via']);
      $this->set('fob', $document['Invoice']['fob']);


      $template_name = 'pdf_invoice';
      break;

    case "purchaseOrder":
      $filename = $document['PurchaseOrder']['title'];
      break;

    case "orderAck":

      $job = $this->Document->OrderAcknowledgement->Job->find('first', array('conditions'=>array('Job.id'=>$document['OrderAcknowledgement']['job_id'])));

      $filename = $job['Job']['title'].'_OrderAcknowledgement';
      $this->set('docTitle', $job['Job']['title']);

      $this->set('docTypeFullName', 'JOB'); //So it doesnt say CMC order Ack # in the pdf_shipping_billing_box. This string is too long
      $this->set('job', $job);
      $this->set('issue_date_string', date('d F Y', strtotime($document['OrderAcknowledgement']['issue_date'])));

      $this->set('ship_via', $document['OrderAcknowledgement']['ship_via']);
      $this->set('fob', $document['OrderAcknowledgement']['fob']);
      $this->set('estimated_delivery', $document['OrderAcknowledgement']['estimated_delivery']);

      $template_name = 'pdf_orderack';
      break;

    }

    if($document['Document']['revision'] > 0) {
      $filename = $filename.'_'.$document['Document']['revision'].'.pdf';
    }
    else {
      $filename = $filename.'.pdf';
    }

    $this->set('filename', $filename);
    $document['Document']['pdf_filename'] = $filename;
    $document['Document']['pdf_created_at'] = date('Y-m-d H:i:s');
    $document['Document']['pdf_created_by_user_id'] = $this->getCurrentUserID();
    if($this->Document->save($document)) {
      //echo "Set pdf_filename attritbute to: ".$filename;
    }
    else {
      //echo 'Failed to set pdf_filename to: '.$filename;
    }


    $colWidths = array(
      'item' => '7%',
      'qty' => '7%',
      'desc' => '56%',
      'unit' => '15%',
      'total' => '15%'

    );

    $this->set('colWidths',$colWidths);

    $this->render($template_name);
  }


  //Called via AJAX to generate Quotation First Pages.
  function generateFirstPage($id = null) {
    $this->layout = 'ajax';

    if(!$id) {
      return;
    }

    $document = $this->Document->read(null, $id);
    $this->set('document',$document);
    $enquiry = $this->Document->Quote->Enquiry->read(null, $document['Quote']['enquiry_id']);
    $this->set('enquiry', $enquiry);
  }


  /**
   * Email the PDF(document + attachments) for this Document to a Recipient (Customer or Principle).
   *
   *
   * @param <int> $id  - Document ID
   */
  function email_pdf($id) {

    //Setup the SMTP Options
    $this->Email->smtpOptions = Configure::read('smtp_settings');
    $this->Email->delivery = 'smtp';

    $document = $this->Document->read(null,$id);

    $attachments = $this->Document->DocumentAttachment->find('all', array('DocumentAttachment.document_id' => $id));

    if(empty($document['Document']['pdf_filename'])) {
      $this->Session->setFlash(__('Error. Please generate the PDF before attempting to email it', true));
      return;
    }
    else {
      $pdf_dir = Configure::read('pdf_directory');

      $attachment_files = array($pdf_dir.$document['Document']['pdf_filename']);
      foreach($attachments as $attachment) {
        $attachment_files[] = $attachment['Attachment']['filename'];
      }
      $this->Email->attachments = $attachment_files;
    
    }

    $enquiry = $this->Document->getEnquiry($document);

    $this->Email->to = $enquiry['Contact']['email'];

    //Uncomment this when going live
    $this->Email->cc = array($enquiry['User']['email']);
    //	$this->Email->bcc = array('carpis@cmctechnologies.com.au');

    $this->Email->subject = $enquiry['Enquiry']['title'].' ';
    $this->Email->replyTo = $enquiry['User']['email'];
    $this->Email->from = 'CMC Technologies - Sales <sales@cmctechnologies.com.au>';
    $this->Email->template = 'email_pdf';
    $this->Email->sendAs = 'both';
    $this->Email->charset = 'iso-8859-1';
    $this->set('enquiry', $enquiry);
    $this->set('DocFullName', $this->Document->getDocFullName($document['Document']['type']));
    if($this->Email->send()) {
      $this->Session->setFlash(__('The Email has been sent', true));
      $this->redirect(array('action'=>'view/'.$id), null, false);
    }
    else {
      $this->set('smtp_errors', $this->Email->smtpError);
      $this->Session->setFlash(__('The Email has NOT been sent. Something went wrong.', true));
      // $this->redirect(array('action'=>'view/'.$id), null, false);

    }

  }


}
?>