<?php
// $Id$

function lab_migration_proposal_pending()
{
  /* get pending proposals to be approved */
  $pending_rows = array();
  //$pending_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE approval_status = 0 ORDER BY id DESC");
  $query = db_select('lab_migration_proposal');
          $query->fields('lab_migration_proposal');
          $query->condition('approval_status', 0);
          $query->orderBy('id', 'DESC');
          $pending_q = $query->execute();
  while ($pending_data = $pending_q->fetchObject())
  {
    $pending_rows[$pending_data->id] = array(date('d-m-Y', $pending_data->creation_date), l($pending_data->name, 'user/' . $pending_data->uid), $pending_data->lab_title, $pending_data->department, l('Approve', 'lab-migration/manage-proposal/approve/' . $pending_data->id) . ' | ' . l('Edit', 'lab-migration/manage-proposal/edit/' . $pending_data->id));
  }

  /* check if there are any pending proposals */
  if (!$pending_rows)
  {
    drupal_set_message(t('There are no pending proposals.'), 'status');
    return '';
  }

  $pending_header = array('Date of Submission', 'Name', 'Title of the Lab', 'Department', 'Action');

  //$output = theme_table($pending_header, $pending_rows);
   $output = theme('table', array('header' => $pending_header, 'rows' => $pending_rows ));
  return $output; 
}

function lab_migration_proposal_pending_solution()
{
  /* get pending proposals to be approved */
  $pending_rows = array();
 //$pending_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE approval_status = 1 ORDER BY id DESC");

  $query = db_select('lab_migration_proposal');
        $query->fields('lab_migration_proposal');
        $query->condition('approval_status', 1);
        $query->orderBy('id', 'DESC');
        $pending_q = $query->execute();
  while ($pending_data = $pending_q->fetchObject())
  {
    $pending_rows[$pending_data->id] = array(date('d-m-Y', $pending_data->creation_date), date('d-m-Y', $pending_data->approval_date), l($pending_data->name, 'user/' . $pending_data->uid), $pending_data->lab_title, $pending_data->department, l('Status', 'lab-migration/manage-proposal/status/' . $pending_data->id));
  }

  /* check if there are any pending proposals */
  if (!$pending_rows)
  {
    drupal_set_message(t('There are no proposals pending for solutions.'), 'status');
    return '';
  }

  $pending_header = array('Date of Submission', 'Date of Approval', 'Name', 'Title of the Lab', 'Department', 'Action');  
  $output = theme('table', array('header' => $pending_header, 'rows' => $pending_rows ));
  return $output; 
}

function lab_migration_proposal_all()
{
  /* get pending proposals to be approved */
  $proposal_rows = array();
  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} ORDER BY id DESC");
  $query = db_select('lab_migration_proposal');
              $query->fields('lab_migration_proposal');
              $query->orderBy('id', 'DESC');
              $proposal_q = $query->execute();
  while ($proposal_data = $proposal_q->fetchObject())
  {
    $approval_status = '';
    switch ($proposal_data->approval_status)
    {
    case 0: $approval_status = 'Pending'; break;
    case 1: $approval_status = 'Approved'; break;
    case 2: $approval_status = 'Dis-approved'; break;
    case 3: $approval_status = 'Solved'; break;
    default: $approval_status = 'Unknown'; break;
    }
    $proposal_rows[] = array(date('d-m-Y', $proposal_data->creation_date), l($proposal_data->name, 'user/' . $proposal_data->uid), $proposal_data->lab_title, $proposal_data->department, $approval_status, l('Status', 'lab-migration/manage-proposal/status/' . $proposal_data->id) . ' | ' . l('Edit', 'lab-migration/manage-proposal/edit/' . $proposal_data->id));
  }

  /* check if there are any pending proposals */
  if (!$proposal_rows)
  {
    drupal_set_message(t('There are no proposals.'), 'status');
    return '';
  }

  $proposal_header = array('Date of Submission', 'Name', 'Title of the Lab', 'Department', 'Status','Action'); 
  $output = theme('table', array('header' => $proposal_header, 'rows' => $proposal_rows ));
  return $output; 
}

function lab_migration_category_all()
{
  /* get pending proposals to be approved */
  $proposal_rows = array();
 // $proposal_q = db_query("SELECT * FROM {lab_migration_proposal} ORDER BY id DESC");
  $query = db_select('lab_migration_proposal');
            $query->fields('lab_migration_proposal');
            $query->orderBy('id', 'DESC');
            $proposal_q = $query->execute();
  while ($proposal_data = $proposal_q->fetchObject())
  {
  	switch ($proposal_data->category)
  	{
    case 0: $category_data = 'Not Selected'; break;
    case 1: $category_data = 'Fluid Mechanics'; break;
    case 2: $category_data = 'Control Theory & Control Systems'; break;
    case 3: $category_data = 'Chemical Engineering'; break;
    case 4: $category_data = 'Thermodynamics'; break;
    case 5: $category_data = 'Mechanical Engineering'; break;
    case 6: $category_data = 'Signal Processing'; break;
    case 7: $category_data = 'Digital Communications'; break;
    case 8: $category_data = 'Electrical Technology'; break;
    case 9: $category_data = 'Mathematics & Pure Science'; break;
    case 10: $category_data = 'Analog Electronics'; break;
    case 11: $category_data = 'Digital Electronics'; break;
    case 12: $category_data = 'Computer Programming'; break;
    case 13: $category_data = 'Others'; break;
    default: $category_data = 'Unknown'; break;
  	}
    $proposal_rows[] = array(date('d-m-Y', $proposal_data->creation_date), l($proposal_data->name, 'user/' . $proposal_data->uid), $proposal_data->lab_title, $proposal_data->department, $category_data, l('Edit Category', 'lab-migration/manage-proposal/category/edit/' . $proposal_data->id));
  }

  $proposal_header = array('Date of Submission', 'Name', 'Title of the Lab', 'Department', 'Category', 'Action');
  $output = theme('table', array('header' => $proposal_header, 'rows' => $proposal_rows ));
  return $output;
}

/******************************************************************************/
/************************** PROPOSAL APPROVAL FORM ****************************/
/******************************************************************************/

function lab_migration_proposal_approval_form($form, $form_state)
{
  global $user;

  /* get current proposal */
  $proposal_id = (int)arg(3);
  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
  $query = db_select('lab_migration_proposal');
            $query->fields('lab_migration_proposal');
            $query->condition('id', $proposal_id);
            $proposal_q = $query->execute();

  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }
       // var_dump($proposal_data->name_title);
        //    die;
  $form['name'] = array(
    '#type' => 'item',
    '#markup' => l($proposal_data->name_title . ' ' . $proposal_data->name, 'user/' . $proposal_data->uid),   
    '#title' => t('Name'),
  );
  $form['email_id'] = array(
    '#type' => 'item',
    '#markup' => user_load($proposal_data->uid)->mail,
    '#title' => t('Email'),
  );
  $form['contact_ph'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->contact_ph,
    '#title' => t('Contact No.'),
  );
  $form['department'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->department,
    '#title' => t('Department/Branch'),
  );
  $form['university'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->university,
    '#title' => t('University/Institute'),
  );
  $form['country'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->country,
    '#title' => t('Country'),
  );
  $form['all_state'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->state,
    '#title' => t('State'),
  );
  $form['city'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->city,
    '#title' => t('City'),
  );
  $form['pincode'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->pincode,
    '#title' => t('Pincode/Postal code'),
  );
  $form['lab_title'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->lab_title,
    '#title' => t('Title of the Lab'),
  );

  /* get experiment details */
  $experiment_list = '<ul>';
  //$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE proposal_id = %d ORDER BY id ASC", $proposal_id);
  $query = db_select('lab_migration_experiment');
            $query->fields('lab_migration_experiment');
            $query->condition('proposal_id', $proposal_id);
            $query->orderBy('id', 'ASC');
            $experiment_q = $query->execute();
  while ($experiment_data = $experiment_q->fetchObject())
  {
    $experiment_list .= '<li>' . $experiment_data->title . '</li>Description of Experiment : '.$experiment_data->description.'<br>';
  }
  $experiment_list .= '</ul>';

  $form['experiment'] = array(
      '#type' => 'item',
      '#markup' => $experiment_list,
      '#title' => t('Experiments'),
  );

  if ($proposal_data->solution_provider_uid == 0) {
  	$solution_provider = "User will not provide solution, we will have to provide solution";
  } else if ($proposal_data->solution_provider_uid == $proposal_data->uid) {
  	$solution_provider = "Proposer will provide the solution of the lab";
  } else {
  	$solution_provider_user_data = user_load($proposal_data->solution_provider_uid);
  	if ($solution_provider_user_data)
  		$solution_provider = "Solution will be provided by user " . l($solution_provider_user_data->name, 'user/' . $proposal_data->solution_provider_uid);
  	else
  		$solution_provider = "User does not exists";
  }
  $form['solution_provider_uid'] = array(
	  '#type' => 'item',
		'#title' => t('Do you want to provide the solution'),
		'#markup' => $solution_provider,
  );

 /* $form['solution_display'] = array(
	  '#type' => 'item',
		'#title' => t('Do you want to display the solution on the www.dwsim.fossee.in website'),
		'#markup' => ($proposal_data->solution_display == 1) ? "Yes" : "No",
  );*/

  $form['approval'] = array(
	  '#type' => 'radios',
		'#title' => t('Lab migration proposal'),
		'#options' => array('1' => 'Approve', '2' => 'Disapprove'),
		'#required' => TRUE,
	);

  $form['message'] = array(	
    '#type' => 'textarea',
    '#title' => t('Reason for disapproval'),
    '#attributes' =>array('placeholder' => t('Enter reason for disapproval in minimum 30 characters '), 'cols' => 50, 'rows' => 4),
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit')
  );

  $form['cancel'] = array(
    '#type' => 'item',
    '#markup' => l(t('Cancel'), 'lab-migration/manage-proposal'),
  );

  return $form;
}

function lab_migration_proposal_approval_form_submit($form, &$form_state)
{
	global $user;

  /* get current proposal */
  $proposal_id = (int)arg(3);
 // $proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
        $query = db_select('lab_migration_proposal');
                $query->fields('lab_migration_proposal');
                $query->condition('id', $proposal_id);
                $proposal_q = $query->execute();

  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  if ($form_state['values']['approval'] == 1) {
  	$query = "UPDATE {lab_migration_proposal} SET approver_uid = :uid, approval_date = :date, approval_status = 1 WHERE id = :proposal_id"; 
  	$args = array(
  		":uid" => $user->uid, 
  		":date" =>time(), 
  		":proposal_id" => $proposal_id
  		);

  	db_query($query, $args);

    /* sending email */
    $user_data = user_load($proposal_data->uid);
    $email_to = $user_data->mail;
    $param['proposal_approved']['proposal_id'] = $proposal_id;
    $param['proposal_approved']['user_id'] = $proposal_data->uid;
    // echo "To: ".$email_to." From: ".variable_get('lab_migration_from_email', NULL)."<br>";
    // echo "<pre>";
    // var_dump($param); die;
    if (!drupal_mail('lab_migration', 'proposal_approved', $email_to , language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
      drupal_set_message('Error sending email message.', 'error');

    $email_to = $user->mail . ', ' . variable_get('lab_migration_emails', '');
    if (!drupal_mail('lab_migration', 'proposal_approved', $email_to , language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
      drupal_set_message('Error sending email message.', 'error');

    drupal_set_message('Lab migration proposal No. ' . $proposal_id  . ' approved. User has been notified of the approval.', 'status');
    drupal_goto('lab-migration/manage-proposal');
    return;
  } else if ($form_state['values']['approval'] == 2) {
    $query = "UPDATE {lab_migration_proposal} SET approver_uid = :uid, approval_date = :date, approval_status = 2, message = :message, solution_provider_uid = 0, solution_status = 0 WHERE id = :proposal_id";
     $args = array(
     ":uid" => $user->uid, 
     ":date" => time(), 
     ":message" => $form_state['values']['message'],
     ":proposal_id" => $proposal_id
     );
    $result = db_query($query, $args);

    /* sending email */
    $user_data = user_load($proposal_data->uid);
    $email_to = $user_data->mail;
    $param['proposal_disapproved']['proposal_id'] = $proposal_id;
    $param['proposal_disapproved']['user_id'] = $proposal_data->uid;
    if (!drupal_mail('lab_migration', 'proposal_disapproved', $email_to , language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
      drupal_set_message('Error sending email message.', 'error');

    $email_to = $user_data->mail . ', ' . variable_get('lab_migration_emails', '');;
    if (!drupal_mail('lab_migration', 'proposal_disapproved', $email_to , language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
      drupal_set_message('Error sending email message.', 'error');

    drupal_set_message('Lab migration proposal No. ' . $proposal_id  . ' dis-approved. User has been notified of the dis-approval.', 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }
}


/******************************************************************************/
/*************************** PROPOSAL STATUS FORM *****************************/
/******************************************************************************/

function lab_migration_proposal_status_form($form,$form_state)
{
  global $user;

  /* get current proposal */
  $proposal_id = (int)arg(3);
  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
  $query = db_select('lab_migration_proposal');
            $query->fields('lab_migration_proposal');
            $query->condition('id', $proposal_id);
            $proposal_q = $query->execute();
  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  $form['name'] = array(
    '#type' => 'item',
    '#markup' => l($proposal_data->name_title . ' ' . $proposal_data->name, 'user/' . $proposal_data->uid),
    '#title' => t('Name'),
  );
  $form['email_id'] = array(
    '#type' => 'item',
    '#markup' => user_load($proposal_data->uid)->mail,
    '#title' => t('Email'),
  );
  $form['contact_ph'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->contact_ph,
    '#title' => t('Contact No.'),
  );
  $form['department'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->department,
    '#title' => t('Department/Branch'),
  );
  $form['university'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->university,
    '#title' => t('University/Institute'),
  );
  $form['lab_title'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->lab_title,
    '#title' => t('Title of the Lab'),
  );

  /* get experiment details */
  $experiment_list = '<ul>';
  //$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE proposal_id = %d ORDER BY id ASC", $proposal_id);
  $query = db_select('lab_migration_experiment');
          $query->fields('lab_migration_experiment');
          $query->condition('proposal_id', $proposal_id);
          $query->orderBy('id', 'ASC');
          $experiment_q = $query->execute();
  while ($experiment_data = $experiment_q->fetchObject())
  {
    $experiment_list .= '<li>' . $experiment_data->title .'</li>Description of Experiment : '.$experiment_data->description.'<br>';
  }
  $experiment_list .= '</ul>';

  $form['experiment'] = array(
      '#type' => 'item',
      '#markup' => $experiment_list,
      '#title' => t('Experiments'),
  );

  if ($proposal_data->solution_provider_uid == 0) {
  	$solution_provider = "User will not provide solution, we will have to provide solution";
  } else if ($proposal_data->solution_provider_uid == $proposal_data->uid) {
  	$solution_provider = "Proposer will provide the solution of the lab";
  } else {
  	$solution_provider_user_data = user_load($proposal_data->solution_provider_uid);
  	if ($solution_provider_user_data)
      $solution_provider = "Solution will be provided by user " . l($solution_provider_user_data->name, 'user/' . $proposal_data->solution_provider_uid);
  	else
      $solution_provider = "User does not exists";
  }
  $form['solution_provider_uid'] = array(
    '#type' => 'item',
    '#title' => t('Who will provide the solution'),
    '#markup' => $solution_provider,
  );

  /*$form['solution_display'] = array(
    '#type' => 'item',
    '#title' => t('Display the solution on the www.dwsim.fossee.in website'),
    '#markup' => ($proposal_data->solution_display == 1) ? "Yes" : "No",
  );*/

  $proposal_status = '';
  switch ($proposal_data->approval_status)
  {
  case 0: $proposal_status = t('Pending'); break;
  case 1: $proposal_status = t('Approved'); break;
  case 2: $proposal_status = t('Dis-approved'); break;
  case 3: $proposal_status = t('Completed'); break;
  default: $proposal_status = t('Unkown'); break;
  }
  $form['proposal_status'] = array(
    '#type' => 'item',
    '#markup' => $proposal_status,
    '#title' => t('Proposal Status'),
  );

  if ($proposal_data->approval_status == 0)
  {
    $form['approve'] = array(
      '#type' => 'item',
      '#markup' => l('Click here', 'lab-migration/manage-proposal/approve/' . $proposal_id),
      '#title' => t('Approve'),
    );
  }

  if ($proposal_data->approval_status == 1)
  {
    $form['completed'] = array(
      '#type' => 'checkbox',
      '#title' => t('Completed'),
      '#description' => t('Check if user has provided all experiment solutions.'),
    );
  }

  if ($proposal_data->approval_status == 2) {
    $form['message'] = array(
      '#type' => 'item',
      '#markup' => $proposal_data->message,
      '#title' => t('Reason for disapproval'),
    );
  }

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit')
  );

  $form['cancel'] = array(
    '#type' => 'item',
    '#markup' => l(t('Cancel'), 'lab-migration/manage-proposal/all'),
  );

  return $form;
}

function lab_migration_proposal_status_form_submit($form, &$form_state)
{
  global $user;

  /* get current proposal */
  $proposal_id = (int)arg(3);
  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
  $query = db_select('lab_migration_proposal');
           $query->fields('lab_migration_proposal');
           $query->condition('id', $proposal_id);
           $proposal_q = $query->execute();
  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  /* set the book status to completed */
  if ($form_state['values']['completed'] == 1)
  {
    $query = "UPDATE {lab_migration_proposal} SET approval_status = 3 and expected_completion_date= :date WHERE id = :proposal_id";
    $args = array(
     ":proposal_id" => $proposal_id,
     ":date" => time(),
     );
    $result = db_query($query, $args);

    /* sending email */
    $user_data = user_load($proposal_data->uid);
    $email_to = $user_data->mail;
    $param['proposal_completed']['proposal_id'] = $proposal_id;
    $param['proposal_completed']['user_id'] = $proposal_data->uid;
    if (!drupal_mail('lab_migration', 'proposal_completed', $email_to , language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
      drupal_set_message('Error sending email message.', 'error');

    $email_to = $user->mail . ', ' . variable_get('lab_migration_emails', '');;
    if (!drupal_mail('lab_migration', 'proposal_completed', $email_to , language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
      drupal_set_message('Error sending email message.', 'error');
 
    drupal_set_message('Congratulations! Lab Migration proposal has been marked as completed. User has been notified of the completion.', 'status');
  }
  drupal_goto('lab-migration/manage-proposal');
  return;
}


/******************************************************************************/
/**************************** PROPOSAL EDIT FORM ******************************/
/******************************************************************************/

function lab_migration_proposal_edit_form($form, $form_state)
{
  global $user;

  /* get current proposal */
  $proposal_id = (int)arg(3);
  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
  $query = db_select('lab_migration_proposal');
           $query->fields('lab_migration_proposal');
           $query->condition('id', $proposal_id);
           $proposal_q = $query->execute();
  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  $user_data = user_load($proposal_data->uid);

  $form['name_title'] = array(
    '#type' => 'select',
    '#title' => t('Title'),
    '#options' => array('Mr' => 'Mr', 'Ms' => 'Ms', 'Mrs' => 'Mrs', 'Dr' => 'Dr', 'Prof' => 'Prof'),
    '#required' => TRUE,
    '#default_value' => $proposal_data->name_title,
  );
  $form['name'] = array(
    '#type' => 'textfield',
    '#title' => t('Name of the Proposer'),
    '#size' => 30,
    '#maxlength' => 50,
    '#required' => TRUE,
    '#default_value' => $proposal_data->name,
  );
  $form['email_id'] = array(
    '#type' => 'item',
    '#title' => t('Email'),
    '#markup' => $user_data->mail,
  );
  $form['contact_ph'] = array(
    '#type' => 'textfield',
    '#title' => t('Contact No.'),
    '#size' => 30,
    '#maxlength' => 15,
    '#required' => TRUE,
    '#default_value' => $proposal_data->contact_ph,
  );
  $form['department'] = array(
    '#type' => 'select',
    '#title' => t('Department/Branch'),
    '#options' => array('' => 'Please select...',
                        'Computer Engineering' => 'Computer Engineering',
                        'Electrical Engineering' => 'Electrical Engineering',
                        'Electronics Engineering' => 'Electronics Engineering',
                        'Chemical Engineering' => 'Chemical Engineering',
                        'Instrumentation Engineering' => 'Instrumentation Engineering',
                        'Mechanical Engineering' => 'Mechanical Engineering',
                        'Civil Engineering' => 'Civil Engineering',
                        'Physics' => 'Physics',
                        'Mathematics' => 'Mathematics',
                        'Others' => 'Others'),
    '#required' => TRUE,
    '#default_value' => $proposal_data->department,
  );
  $form['university'] = array(
    '#type' => 'textfield',
    '#title' => t('University/Institute'),
    '#size' => 30,
    '#maxlength' => 50,
    '#required' => TRUE,
    '#default_value' => $proposal_data->university,
  );
$form['city'] = array(
    '#type' => 'textfield',
    '#title' => t('City/ Village'),
    '#size' => 80,
    '#maxlength' => 150,
    '#default_value' => $proposal_data->city,
    '#required' => TRUE,
    '#attributes' =>array('placeholder' =>'Insert location of your institute/ university....'),
 );
$form['pincode'] = array(
    '#type' => 'textfield',
    '#title' => t('Pincode'),
    '#size' => 30,
    '#maxlength' => 6,
    '#required' => TRUE,
    '#default_value' => $proposal_data->pincode,
    '#attributes' =>array('placeholder' =>'Insert pincode of your city/ village....'),
);
$form['all_state'] = array(
    '#type' => 'select',
    '#title' => t('State'),
    '#options' => array(
                                 '0' => 'Please select...',
                                         'Andhra Pradesh' => t('Andhra Pradesh'),
                                         'Arunachal Pradesh' => 'Arunachal Pradesh',
                                         'Assam' => 'Assam',
                                         'Bihar' => 'Bihar',
                                         'Chhattisgarh' => 'Chhattisgarh',
                                         'Goa' => 'Goa',
                                         'Gujarat' => 'Gujarat',
                                         'Haryana' => 'Haryana',
                                         'Himachal Pradesh' => 'Himachal Pradesh',
                                         'Jammu & Kashmir' => 'Jammu & Kashmir',
                                         'Jharkhand' => 'Jharkhand',
                                         'Karnataka' => 'Karnataka',
                                         'Kerala' => 'Kerala',
                                         'Madhya Pradesh' => 'Madhya Pradesh',
                                         'Maharashtra' => 'Maharashtra',
                                         'Manipur' => 'Manipur',
                                         'Meghalaya' => 'Meghalaya',
                                         'Mizoram' => 'Mizoram',
                                         'Nagaland' => 'Nagaland',
                                         'Odisha' => 'Odisha',
                                         'Punjab' => 'Punjab',
                                         'Rajasthan' => 'Rajasthan',
                                         'Sikkim' => 'Sikkim',
                                         'Tamil Nadu' => 'Tamil Nadu',
                                         'Telangana' => 'Telangana',
                                         'Tripura' => 'Tripura',
                                         'Uttarakhand' => 'Uttarakhand',
                                         'Uttar Pradesh'=> 'Uttar Pradesh',
                                         'West Bengal' => 'West Bengal',
                                         'Andaman & Nicobar' => 'Andaman & Nicobar',
                                         'Chandigarh' => 'Chandigarh',
                                         'Dadra and Nagar Haveli' => 'Dadra and Nagar Haveli',
                                         'Daman & Diu' => 'Daman & Diu',
                                         'Delhi' => 'Delhi',
                                         'Lakshadweep' => 'Lakshadweep',
                                         'Puducherry' => 'Puducherry',
                                         'Others' => 'Others',
                ),
    '#required' => TRUE,
    '#tree' => TRUE,
    '#validated' => TRUE,
    '#default_value' => $proposal_data->state,
 );


  $form['lab_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Title of the Lab'),
    '#size' => 30,
    '#maxlength' => 50,
    '#required' => TRUE,
    '#default_value' => $proposal_data->lab_title,
  );

  /* get experiment details */
 // $experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE proposal_id = %d ORDER BY id ASC", $proposal_id);
  $query = db_select('lab_migration_experiment');
           $query->fields('lab_migration_experiment');
           $query->condition('proposal_id', $proposal_id);
           $query->orderBy('id', 'ASC');
           $experiment_q  = $query->execute();
    /*$form['lab_experiment'] = array(
      '#type' => 'fieldset',
      '#collapsible' => FALSE,
      '#tree' => TRUE,
    );*/
  for ($counter = 1; $counter <= 15; $counter++) {
  	$experiment_title = '';
  	$experiment_data = $experiment_q->fetchObject();
  	if ($experiment_data) {
  		$experiment_title = $experiment_data->title;
		$experiment_description=$experiment_data->description;
			/*$form['lab_experiment_']['update'][$experiment_data->id] = array(
				'#type' => 'textfield',
				'#title' => t('Title of the Experiment ') . $counter,
				'#size' => 50,
				'#required' => FALSE,
				
				'#default_value' => $experiment_title,
			);
			$form['lab_experiment']['update1'][$experiment_data->id] = array(
			'#type' => 'textarea',
			
			'#title' => t('Description for Experiment ') . $counter,
			'#default_value' => $experiment_description,
			);*/
			$form['lab_experiment_update'.$experiment_data->id] = array(
			'#type' => 'textfield',
			'#title' => t('Title of the Experiment ') . $counter,
			'#size' => 50,
			'#default_value' => $experiment_title,
			);
			$namefield="lab_experiment_update" .$experiment_data->id;
			$form['lab_experiment_description_update' . $experiment_data->id] = array(
			'#type' => 'textarea',
			'#attributes' =>array('placeholder' => t('Enter Description for your experiment '.$counter)),
			'#default_value' => $experiment_description,
			'#title' => t('Description for Experiment ') . $counter,
			
			);


  	} else {
			$form['lab_experiment_insert'.$counter] = array(
				'#type' => 'textfield',
				'#title' => t('Title of the Experiment ') . $counter,
				'#size' => 50,
				'#required' => FALSE,
				'#default_value' => $experiment_title,
			);
			$namefield="lab_experiment_insert".$counter;
			$form['lab_experiment_description_insert'.$counter] = array(
			'#type' => 'textarea',
			'#attributes' =>array('placeholder' => t('Enter Description for your experiment '.$counter)),
			
			'#title' => t('Description for Experiment ') . $counter,
			'#states' => array(
            		'invisible' => array(
                	':input[name='.$namefield.']' => array('value' => ""),
           		 ),
       			 ),
			);
		}
	}

	if ($proposal_data->solution_provider_uid == 0) {
		$solution_provider_user = 'Open';
	} else if ($proposal_data->solution_provider_uid == $proposal_data->uid) {
		$solution_provider_user = 'Proposer';
	} else {
		$user_data = user_load($proposal_data->solution_provider_uid);
		if (!$user_data) {
			$solution_provider_user = 1;
			drupal_set_message('Solution provider user name is invalid', 'error');
		}
		$solution_provider_user = $user_data->name;
	}
  $form['solution_provider_uid'] = array(
    '#type' => 'item',
    '#title' => t('Who will provide the solution'),
    '#markup' => $solution_provider_user,
  );

  $form['open_solution'] = array(
    '#type' => 'checkbox',
    '#title' => t('Open the solution for everyone'),
  );

  $form['solution_display'] = array(
    '#type' => 'hidden',
    '#title' => t('Do you want to display the solution on the www.dwsim.fossee.in website'),
    '#options' => array('1' => 'Yes'),
    '#required' => TRUE,
   // '#default_value' => ($proposal_data->solution_display == 1) ? "1" : "2",
    '#default_value'=>'1',
  );

  $form['delete_proposal'] = array(
    '#type' => 'checkbox',
    '#title' => t('Delete Proposal')
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit')
  );
  $form['cancel'] = array(
    '#type' => 'item',
    '#markup' => l(t('Cancel'), 'lab-migration/manage-proposal'),
  );
  return $form;
}

function lab_migration_proposal_edit_form_validate($form, &$form_state)
{
  $proposal_id = (int)arg(3);

  /* check before delete proposal */
  if ($form_state['values']['delete_proposal'] == 1) {
    //$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE proposal_id = %d", $proposal_id);
    $query = db_select('lab_migration_experiment');
             $query->fields('lab_migration_experiment');
             $query->condition('proposal_id', $proposal_id);
             $experiment_q = $query->execute();
    while ($experiment_data = $experiment_q->fetchObject()) {
      //$solution_q = db_query("SELECT * FROM {lab_migration_solution} WHERE experiment_id = %d", $experiment_data->id);
     $query = db_select('lab_migration_solution');
               $query->fields('lab_migration_solution');
               $query->condition('experiment_id', $experiment_data->id);
               $solution_q = $query->execute();

      if ($solution_q->fetchObject()) {
        form_set_error('', t('Cannot delete proposal since there are solutions already uploaded. Use the "Bulk Manage" interface to delete this proposal'));
      }
    }
  }
  return;
}

function lab_migration_proposal_edit_form_submit($form, &$form_state)
{
  global $user;

  /* get current proposal */
  $proposal_id = (int)arg(3);
 // $proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
  $query = db_select('lab_migration_proposal');
           $query->fields('lab_migration_proposal');
           $query->condition('id', $proposal_id);
           $proposal_q = $query->execute();
  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  /* delete proposal */
  if ($form_state['values']['delete_proposal'] == 1) {
    //db_query("DELETE FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
    $query = db_delete('lab_migration_proposal');
             $query->condition('id', $proposal_id);
    $num_deleted = $query->execute();
    //db_query("DELETE FROM {lab_migration_experiment} WHERE proposal_id = %d", $proposal_id);
    $query = db_delete('lab_migration_experiment');
             $query->condition('proposal_id', $proposal_id);
    $num_deleted = $query->execute();
    drupal_set_message(t('Proposal Delete'), 'status');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  if ($form_state['values']['open_solution'] == 1) {
      // $query = "UPDATE {lab_migration_proposal} SET solution_provider_uid = :solution_provider_uid, solution_status = :solution_status, solution_provider_name_title = '', solution_provider_name = '', solution_provider_contact_ph = '', solution_provider_department = '', solution_provider_university = '' WHERE id = :proposal_id";
      // $args= array(
      //    ":solution_provider_uid" => 0, 
      //    ":solution_status" => 0,
      //    ":proposal_id" => $proposal_id,
      // );

      // $result = db_query($query, $args);
    

     $result = db_update('lab_migration_proposal')
              ->fields(array(
                'solution_provider_uid' => 0,
                'solution_status' => 0,
                'solution_provider_name_title' => '',
                'solution_provider_name' => '',
                'solution_provider_contact_ph' => '',
                'solution_provider_department' => '',
                'solution_provider_university' => '',
              ))
              ->condition('id',$proposal_id )->execute();
             if (!$result)
                {
                  drupal_set_message(t('Solution already open for everyone.'), 'error');
                  return;
                }

  }

  $solution_display = 0;
  if ($form_state['values']['solution_display'] == 1) {
  	$solution_display = 1;
  } else {
  	$solution_display = 0;
  }

  /* update proposal */
  $v = $form_state['values'];

  //$query = "UPDATE {lab_migration_proposal} SET name_title = :name_title, name = :name, contact_ph = :contact_ph, department = :department, university = :unversity, lab_title = :lab_title, solution_display = :solution_display WHERE id = :id";
  // $args= array(    
  //    ":name_title" => $v['name_title'],
  //    ":name" => $v['name'],
  //    "contact_ph" => $v['contact_ph'],
  //    ":department" => $v['department'],
  //    ":university" => $v['university'],
  //    ":lab_title" => $v['lab_title'],
  //    ":solution_display" => $solution_display,
  //    ":id" => $proposal_id,
  //  );
   $query = db_update('lab_migration_proposal')
            ->fields(array(
              'name_title' => $v['name_title'],
              'name' => $v['name'],
              'contact_ph' => $v['contact_ph'],
              'department' => $v['department'],
              'university' => $v['university'],
              'city' => $v['city'],
              'pincode' => $v['pincode'],
              'state' => $v['all_state'],
              'lab_title' => $v['lab_title'],
              'solution_display' => $solution_display,
            ))->condition('id', $proposal_id);
   $result1 = $query->execute();


  //$result=db_query($query, $args);
 

  /* updating existing experiments */

	   $query = db_select('lab_migration_experiment');
           $query->fields('lab_migration_experiment');
           $query->condition('proposal_id', $proposal_id);
           $query->orderBy('id', 'ASC');
           $experiment_q  = $query->execute();
	for ($counter = 1; $counter <= 15; $counter++) {
  	$experiment_data = $experiment_q->fetchObject();
  	if ($experiment_data){

	$experiment_field_name = 'lab_experiment_update' . $experiment_data->id;
	$experiment_description='lab_experiment_description_update' . $experiment_data->id;

	if(strlen(trim($form_state['values'][$experiment_field_name])) >= 1){
	 $query = "UPDATE {lab_migration_experiment} SET title = :title, description= :description WHERE id = :id";
         $args = array(
             ":title"=>  trim($form_state['values'][$experiment_field_name]),
	     ":description"=>trim($form_state['values'][$experiment_description]),
             ":id"=> $experiment_data->id,
            );
        $result2 = db_query($query, $args);
      if (!$result2)
      {
        drupal_set_message(t('Could not update Title of the Experiment : ') . trim($form_state['values'][$experiment_field_name]), 'error');
      }
	}else {
        $query = "DELETE FROM {lab_migration_experiment} WHERE id = :id LIMIT 1";
           $args = array( 
                ":id" => $experiment_data->id
            );
        $result3 = db_query($query, $args);
    }
	}
	}


 /* foreach ($form_state['values']['lab_experiment']['update'] as $update_id => $update_value) {
      if (strlen(trim($update_value)) >= 1) {
		$description= $form_state['values']['lab_experiment_description']['update']; 
         $query = "UPDATE {lab_migration_experiment} SET title = :title and description=:description WHERE id = :id";
         $args = array(
             ":title"=>  trim($update_value),
	     ":description"=>trim($description),
             ":id"=> $update_id,
            );
        $result2 = db_query($query, $args);
      if (!$result2)
      {
        drupal_set_message(t('Could not update Title of the Experiment : ') . trim($update_value), 'error');
      }
    } else {
        $query = "DELETE FROM {lab_migration_experiment} WHERE id = :id LIMIT 1";
           $args = array( 
                ":id" => $update_id
            );
        $result3 = db_query($query, $args);
    }
  }*/


  /* inserting new experiments */

  $query = db_select('lab_migration_experiment');
            $query->fields('lab_migration_experiment');
            $query->condition('proposal_id', $proposal_id);
            $query->orderBy('number', 'DESC');
            $query->range(0, 1);
            $number_q = $query->execute();
  if ($number_data = $number_q->fetchObject()) {
    $number = (int)$number_data->number;
  	$number++;
  } else {
  	$number = 1;
  }
for ($counter = 1; $counter <= 15; $counter++) {
$lab_experiment_insert ='lab_experiment_insert'.$counter;
$lab_experiment_description_insert='lab_experiment_description_insert'.$counter;
if(strlen(trim(isset($form_state['values'][$lab_experiment_insert]))) >= 1){
	$query = "INSERT INTO {lab_migration_experiment} (proposal_id, number, title, description) VALUES (:proposal_id, :number, :title, :description)";
        $args = array(
            ":proposal_id" => $proposal_id, 
            ":number" => $number, 
            ":title" => trim($form_state['values'][$lab_experiment_insert]),
	    ":description"=>trim($form_state['values'][$lab_experiment_description_insert]),
        );
  		$result4 = db_query($query, $args);
			if (!$result4)
			{
				drupal_set_message(t('Could not insert Title of the Experiment : ') . trim($form_state['values'][$lab_experiment_insert]), 'error');
			} else {
				$number++;
			}
}
}

 /* $query = db_select('lab_migration_experiment');
            $query->fields('lab_migration_experiment');
            $query->condition('proposal_id', $proposal_id);
            $query->orderBy('number', 'DESC');
            $query->range(0, 1);
            $number_q = $query->execute();
  if ($number_data = $number_q->fetchObject()) {
    $number = (int)$number_data->number;
  	$number++;
  } else {
  	$number = 1;
  }
  $insertvalue = array($insert_id => $insert_value);
  $lab_experimentinsert = $form_state['values']['lab_experiment']['insert'];
  $lab_exp_descriptioninsert=$form_state['values']['lab_experiment_description']['insert'];
if (is_array($lab_experimentinsert) || is_object($lab_experimentinsert))
{  
foreach ($lab_experimentinsert as $insertvalue) {
//foreach ($form_state['values']['lab_experiment']['insert'] as $insert_id => $insert_value) {
  	if (strlen(trim($insert_value)) >= 1) {
  		$query = "INSERT INTO {lab_migration_experiment} (proposal_id, number, title, description) VALUES :proposal_id, :number, :title, :description";
        $args = array(
            ":proposal_id" => $proposal_id, 
            ":number" => $number, 
            ":title" => trim($insert_value),
	    ":description"=>""
        );
  		$result4 = db_query($query, $args);
			if (!$result4)
			{
				drupal_set_message(t('Could not insert Title of the Experiment : ') . trim($insert_value), 'error');
			} else {
				$number++;
			}
		}
	}
  }*/

  drupal_set_message(t('Proposal Updated'), 'status');
}


/******************************************************************************/
/**************************** CATEGORY EDIT FORM ******************************/
/******************************************************************************/

function lab_migration_category_edit_form($form,$form_state)
{
  /* get current proposal */
  $proposal_id = (int)arg(4);
  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
  $query = db_select('lab_migration_proposal');
            $query->fields('lab_migration_proposal');
            $query->condition('id', $proposal_id);
            $proposal_q = $query->execute();

  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  $form['name'] = array(
    '#type' => 'item',
    '#markup' => l($proposal_data->name_title . ' ' . $proposal_data->name, 'user/' . $proposal_data->uid),
    '#title' => t('Name'),
  );
  $form['email_id'] = array(
    '#type' => 'item',
    '#markup' => user_load($proposal_data->uid)->mail,
    '#title' => t('Email'),
  );
  $form['contact_ph'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->contact_ph,
    '#title' => t('Contact No.'),
  );
  $form['department'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->department,
    '#title' => t('Department/Branch'),
  );
  $form['university'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->university,
    '#title' => t('University/Institute'),
  );
  $form['lab_title'] = array(
    '#type' => 'item',
    '#markup' => $proposal_data->lab_title,
    '#title' => t('Title of the Lab'),
  );

  $form['category'] = array(
    '#type' => 'select',
    '#title' => t('Category'),
    '#options' => array(0 => 'Please select',
                        1 => 'Fluid Mechanics',
                        2 => 'Control Theory & Control Systems',
                        3 => 'Chemical Engineering',
                        4 => 'Thermodynamics',
                        5 => 'Mechanical Engineering',
                        6 => 'Signal Processing',
                        7 => 'Digital Communications',
                        8 => 'Electrical Technology',
                        9 => 'Mathematics & Pure Science',
                        10 => 'Analog Electronics',
                        11 => 'Digital Electronics',
                        12 => 'Computer Programming',
                        13 => 'Others'),
    '#required' => TRUE,
    '#default_value' => $proposal_data->category,
  );

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit')
  );
  $form['cancel'] = array(
    '#type' => 'item',
    '#markup' => l(t('Cancel'), 'lab-migration/manage-proposal/category'),
  );
  return $form;
}

function lab_migration_category_edit_form_submit($form, &$form_state)
{
  /* get current proposal */
  $proposal_id = (int)arg(4);
  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $proposal_id);
  $query = db_select('lab_migration_proposal');
           $query->fields('lab_migration_proposal');
           $query->condition('id', $proposal_id);
           $proposal_q = $query->execute();
  if ($proposal_q)
  {
    if ($proposal_data = $proposal_q->fetchObject())
    {
      /* everything ok */
    } else {
      drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
      drupal_goto('lab-migration/manage-proposal');
      return;
    }
  } else {
    drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
    drupal_goto('lab-migration/manage-proposal');
    return;
  }

  $query = "UPDATE {lab_migration_proposal} SET category = category WHERE id = :proposal_id";
     $args = array( 
          ":category" => $form_state['values']['category'],
          ":proposal_id" => $proposal_data->id
        );
  $result = db_query($query, $args);  	

  drupal_set_message(t('Proposal Category Updated'), 'status');
  drupal_goto('lab-migration/manage-proposal/category');
}