<?php

namespace Models {

  require_once 'Models/User.class.php';
  
  require_once 'Tools/Crypto.class.php';
  
  class AdminInterface {
    //
    protected $DataInterface;

    /**
     * 
     */
    public function __construct($DataInterface) {
      $this->DataInterface = $DataInterface;
    }

    /**
     * Check login/password and create JWT token.
     */
    public function adminLogin(&$User, $email, $clearPassword) {
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT 
          ID, password, firstname, lastname 
        FROM
          user
        WHERE 
          active = 1 AND 
          email = '$email' AND 
          type = 'imt-master'"
      );
      if(!$statement->execute()) {
        $results = Array('result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo());
      }
      else {
        $results = $statement->fetchAll(\PDO::FETCH_ASSOC);
        if(count($results)){
          if(\Tools\Crypto::verify($clearPassword, $results[0]['password'])) {
            // Generate JWT token
            $issuer_claim = \Config\Settings::getTokenIssuer();
            $audience_claim = \Config\Settings::getAdminTokenAudience();
            $issuedat_claim = time(); // issued at
            $notbefore_claim = $issuedat_claim + \Config\Settings::getTokenNotBefore();
            $expire_claim = $issuedat_claim + \Config\Settings::getTokenExpiration();
            $token = array(
              "iss" => $issuer_claim,
              "aud" => $audience_claim,
              "iat" => $issuedat_claim,
              "nbf" => $notbefore_claim,
              "exp" => $expire_claim,
              "data" => array(
                "ID" => $results[0]['ID'],
                "firstname" => $results[0]['firstname'],
                "lastname" => $results[0]['lastname'],
                "email" => $email
              )
            );
            $jwt = \Firebase\JWT\JWT::encode($token, \Config\Settings::getTokenPrivateKey());
            // OK
            $results = Array(
              "result" => "OK",
              "token" => $jwt,
              "email" => $email,
              "expireAt" => $expire_claim
            );
          }
          else {
            $results = Array('result' => 'ERROR', 'reason' => 'bad_password', 'message' => 'Invalid password');
          }
        }
        else {
          $results = Array('result' => 'ERROR', 'reason' => 'unknown', 'message' => 'No such user');
        }
      }
      return $results;
    }

    /**
     * Logout.
     */
    public function adminLogout(&$User) {
      $User->logout();
      return Array('result' => 'OK');
    }

    /**
     * Get profile data.
     */
    public function adminProfileGet($User) {
      $userID = $User->ID;

      
      // OK
      return array(
        'result' => 'OK',
        'ID' => $User->ID,
        'firstname' => $User->firstname,
        'lastname' => $User->lastname,
        'email' => $User->email
      );
    }    

    /**
     * Get common data.
     */
    public function adminCommonGet($User) {
      $userID = $User->ID;

      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT data FROM settings"
      );
      if(!$statement->execute()) {
        $results = Array('result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo());
      }      
      $settings = json_decode($statement->fetchAll(\PDO::FETCH_ASSOC)[0]['data'], JSON_NUMERIC_CHECK);
      
      // OK
      return array(
        'result' => 'OK',
        'ID' => $User->ID,
        'firstname' => $User->firstname,
        'lastname' => $User->lastname,
        'email' => $User->email,
        'settings' => $settings
      );
    }

    /**
     * Get export data.
     */
    public function adminExportGet($User) {
      $userID = $User->ID;

      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT * FROM user WHERE type = 'physician'"
      );
      if(!$statement->execute()) {
        $results = Array('result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo());
      }      
      $users = $statement->fetchAll(\PDO::FETCH_ASSOC);
      
      // OK
      return array(
        'result' => 'OK',
        'users' => $users,
      );
    }

    /**
     * Post export data.
     */
    public function adminExportPost($User, $data) {
      $userID = $User->ID;
      return $this->exportByID($data['ID']);
    }
    public function exportByID($ID) {
      // rm old files
      $now   = time();
      $files = glob('../../storage/tmp/*.zip');
      foreach($files as $F) {
        if ($now - filemtime($F) >= 60 * 60 * 24 * 1) { // 1 day
          unlink($F);
        }
      }
      $files = glob('../../storage/tmp/*.csv');
      foreach($files as $F) {
        if ($now - filemtime($F) >= 60 * 60 * 24 * 1) { // 1 day
          unlink($F);
        }
      }

      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT * FROM user WHERE ID = $ID"
      );
      if(!$statement->execute()) {
        $results = Array('result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo());
      }      
      $user = $statement->fetchAll(\PDO::FETCH_ASSOC)[0];
      $prefix = date('Y-m-d').'_'.str_replace([' ','\''], '_', $user['firstname'].'_'.$user['lastname']);

      $od = '../../storage/tmp/'.$prefix.'_'.$ID.'/';
      \Tools\FS::mkpath($od);

      $data = [];
      // header
      $data[] = 
        'Visit_PatientID,Visit_PatientLastname,Visit_PatientFistname,Visit_PatientBirth,Visit_PatientSex,Visit_ID,Visit_Date,Visit_Created,Visit_Area,'.
        'Media_Side,Media_Location,Media_Incidence,Media_Filename,Media_Width,Media_Height,Media_PixelWidth,Media_PixelHeight,Media_FrameCount,Media_FramePerSecond,'.
        'Measure_Created,Measure_Frame,Measure_Distance,Measure_ImtMean,Measure_ImtMax,Measure_ImtStddev,Measure_IntimaMean,Measure_MediaMean,Measure_NearWall,Measure_QualityIndex,Measure_NumberOfPoints';

      // visit
      $statement = $this->DataInterface->DatabaseConnection->prepare("
        SELECT patient.*, visit.* 
        FROM patient, visit 
        WHERE patient.ID = visit.fk_patient 
        AND visit.area = 'carotid'
        AND patient.fk_user = $ID
      ");
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $visits = $statement->fetchAll(\PDO::FETCH_ASSOC);
      foreach($visits as $visit) {
        $fk_visit = $visit['ID'];
        // media
        $statement = $this->DataInterface->DatabaseConnection->prepare("
          SELECT media.* 
          FROM media
          WHERE fk_visit = $fk_visit
        ");
        // Error check
        if(!$statement->execute()) {
          return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
        }
        $medias = $statement->fetchAll(\PDO::FETCH_ASSOC);
        foreach($medias as $media) {
          $fk_media = $media['ID'];
          // measure
          $statement = $this->DataInterface->DatabaseConnection->prepare("
            SELECT measure.* 
            FROM measure
            WHERE fk_media = $fk_media 
            AND type = 'imt'
          ");
          // Error check
          if(!$statement->execute()) {
            return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
          }
          $measures = $statement->fetchAll(\PDO::FETCH_ASSOC);

          // save file
          if(count($measures)) {
            copy('../../storage/media/'.$visit['ID'].'/'.$media['filename'], $od.'/'.$media['filename']);
          }
          
          foreach($measures as $measure) {
            $V['Visit_PatientID'] = $visit['patientID'];
            $V['Visit_PatientLastname'] = $visit['lastname'];
            $V['Visit_PatientFistname'] = $visit['firstname'];
            $V['Visit_PatientBirth'] = $visit['birthDate'];
            $V['Visit_PatientSex'] = $visit['gender'];

            $V['Visit_ID'] = $visit['number'];
            $V['Visit_Date'] = $visit['visitDate'];
            $V['Visit_Created'] = $visit['created'];
            $V['Visit_Area'] = $visit['area'];

            $V['Media_Side'] = $media['side'];
            $V['Media_Location'] = $media['location'];
            $V['Media_Incidence'] = $media['incidence'];
            $V['Media_Filename'] = $media['filename'];
            $metrics = json_decode($media['metrics']);
            $V['Media_Width'] = $metrics->width;
            $V['Media_Height'] = $metrics->height;
            $V['Media_PixelWidth'] = $metrics->pxwidth;
            $V['Media_PixelHeight'] = $metrics->pxheight;
            $V['Media_FrameCount'] = $metrics->frameCount;
            $V['Media_FramePerSecond'] = $metrics->fps;

            $V['Measure_Created'] = $measure['created'];
            $V['Measure_Frame'] = $measure['frame'];
            $computation = json_decode($measure['computation']);
            $V['Measure_Distance'] = $computation->distance;
            $V['Measure_ImtMean'] = $computation->imt_mean;
            $V['Measure_ImtMax'] = $computation->imt_max;
            $V['Measure_ImtStddev'] = $computation->imt_stddev;
            $V['Measure_IntimaMean'] = $computation->intima_mean;
            $V['Measure_MediaMean'] = $computation->media_mean;
            $V['Measure_Location'] = $computation->nearWall?'Proximal':'Distal';
            $V['Measure_QualityIndex'] = $computation->qualityIndex;
            $V['Measure_NumberOfPoints'] = $computation->numberOfPoints;
    
            //$data[] = $V;
            $data[] = implode(",", $V);
          }
        }
      }

      unlink('../../storage/tmp/'.$prefix.'_'.$ID);

      // make archive
      $dst = '../../storage/tmp/'.$prefix.'_'.$ID.'.zip';
      unlink($dst);

      $cmdLine = 'cd ../../storage/tmp && zip -r '.$prefix.'_'.$ID.'.zip '.$prefix.'_'.$ID.'/ 2>&1';
      $output=null;
      $retval=null;
      exec($cmdLine, $output, $retval);
      // error
      if($retval !== 0 || count($output)<1) {
        return [
          'result' => 'ERROR',
          'cmdLine' => $cmdLine,
          'output' => $output, 
          'retval' => $retval
        ];
      }

      // make csv
      unlink('../../storage/tmp/'.$prefix.'_'.$ID.'.csv');
      file_put_contents('../../storage/tmp/'.$prefix.'_'.$ID.'.csv', implode("\n", $data));

      // OK
      return array(
        'result' => 'OK',
        'ID' => $ID,
        'data' => $data,
        'csv' => 'tmp/'.$prefix.'_'.$ID.'.csv',
        'zip' => 'tmp/'.$prefix.'_'.$ID.'.zip'
      );
    }

    /**
     * Post common data.
     */
    public function adminCommonPost($User, $data) {
      $userID = $User->ID;

      // update settings
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "UPDATE settings SET data = :data"
      );
      $data = json_encode($data['data'], JSON_NUMERIC_CHECK);
      $statement->bindParam(':data', $data);
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }

      // OK
      return array(
        'result' => 'OK',
        'data' => $data
      );
    }    

    /**
     * 
     */
    public function adminCtParamsGet($User) {
      $userID = $User->ID;

      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT * FROM clinical_trial"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $settings = $statement->fetchAll(\PDO::FETCH_ASSOC)[0];
      $settings['comment'] = stripslashes($settings['comment']);

      // OK
      return array(
        'result' => 'OK',
        'settings' => $settings
      );
    }

    /**
     * 
     */
    public function adminCtStatsGet($User) {
      $userID = $User->ID;

      // patients
      $statement = $this->DataInterface->DatabaseConnection->prepare("
        SELECT DATE_FORMAT(visit.created, '%Y-%m') AS m, COUNT(visit.ID) AS patients  
        FROM visit, patient, user  
        WHERE visit.fk_patient = patient.ID AND patient.fk_user = user.ID AND user.type = 'investigator' 
        GROUP BY DATE_FORMAT(visit.created, '%Y-%m')
      ");
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $resPatients = $statement->fetchAll(\PDO::FETCH_ASSOC);

      // measures
      $statement = $this->DataInterface->DatabaseConnection->prepare("
        SELECT DATE_FORMAT(measure.created, '%Y-%m') AS m, COUNT(measure.ID) AS measures 
        FROM measure, user  
        WHERE measure.fk_user = user.ID AND user.type = 'reader' 
        GROUP BY DATE_FORMAT(measure.created, '%Y-%m')
      ");
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $resMeasures = $statement->fetchAll(\PDO::FETCH_ASSOC);
      
      $patients = [];
      $start    = (new \DateTime($resPatients[0]['m'].'-01'))->modify('first day of this month');
      $end      = (new \DateTime(date('Y-m-d')))->modify('first day of next month');
      $interval = \DateInterval::createFromDateString('1 month');
      $period   = new \DatePeriod($start, $interval, $end);
      foreach($period as $dt) {
        $patients[] = array('m' => $dt->format("Y-m"), 'patients' => 0, 'measures' => 0);
      }
      foreach($resPatients as $R) {
        foreach($patients as &$P) {
          if($P['m'] == $R['m']) {
            $P['patients'] = intval($R['patients']);
          }
        }
      }
      foreach($resMeasures as $R) {
        foreach($patients as &$P) {
          if($P['m'] == $R['m']) {
            $P['measures'] = intval($R['measures']);
          }
        }
      }

      // OK
      return array(
        'result' => 'OK',
        'patients' => $patients
      );
    }

    /**
     * 
     */
    public function adminPhyStatsGet($User) {
      $userID = $User->ID;

      // patients
      $statement = $this->DataInterface->DatabaseConnection->prepare("
        SELECT DATE_FORMAT(visit.created, '%Y-%m') AS m, COUNT(visit.ID) AS patients  
        FROM visit, patient, user  
        WHERE visit.fk_patient = patient.ID AND patient.fk_user = user.ID AND user.type = 'physician' 
        GROUP BY DATE_FORMAT(visit.created, '%Y-%m')
      ");
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $resPatients = $statement->fetchAll(\PDO::FETCH_ASSOC);

      // measures
      $statement = $this->DataInterface->DatabaseConnection->prepare("
        SELECT DATE_FORMAT(measure.created, '%Y-%m') AS m, COUNT(measure.ID) AS measures 
        FROM measure, user  
        WHERE measure.fk_user = user.ID AND user.type = 'physician' 
        GROUP BY DATE_FORMAT(measure.created, '%Y-%m')
      ");
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $resMeasures = $statement->fetchAll(\PDO::FETCH_ASSOC);
      
      $patients = [];
      $start    = (new \DateTime($resPatients[0]['m'].'-01'))->modify('first day of this month');
      $end      = (new \DateTime(date('Y-m-d')))->modify('first day of next month');
      $interval = \DateInterval::createFromDateString('1 month');
      $period   = new \DatePeriod($start, $interval, $end);
      foreach($period as $dt) {
        $patients[] = array('m' => $dt->format("Y-m"), 'patients' => 0, 'measures' => 0);
      }
      foreach($resPatients as $R) {
        foreach($patients as &$P) {
          if($P['m'] == $R['m']) {
            $P['patients'] = intval($R['patients']);
          }
        }
      }
      foreach($resMeasures as $R) {
        foreach($patients as &$P) {
          if($P['m'] == $R['m']) {
            $P['measures'] = intval($R['measures']);
          }
        }
      }

      // OK
      return array(
        'result' => 'OK',
        'patients' => $patients
      );
    }

    /**
     * 
     */
    public function adminCtUsersGet($User) {
      $userID = $User->ID;

      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT COUNT(ID) AS cnt FROM user WHERE type = 'cro'"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $admin = $statement->fetchAll(\PDO::FETCH_ASSOC)[0]['cnt'];

      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT COUNT(ID) AS cnt FROM user WHERE type = 'investigator'"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $investigator = $statement->fetchAll(\PDO::FETCH_ASSOC)[0]['cnt'];

      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT COUNT(ID) AS cnt FROM user WHERE type = 'reader'"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $reader = $statement->fetchAll(\PDO::FETCH_ASSOC)[0]['cnt'];

      // OK
      return array(
        'result' => 'OK',
        'data' => [
          'admin' => $admin, 
          'investigator' => $investigator, 
          'reader' => $reader
        ]
      );
    }

    /**
     * 
     */
    public function adminCreditGet($User, $ID) {
      $userID = $User->ID;

      // total purchased credits
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT SUM(count) AS purchased FROM credit WHERE ID_user = :fk_user"
      );
      $statement->bindParam(':fk_user', $ID);
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $purchased = intval($statement->fetchAll(\PDO::FETCH_ASSOC)[0]['purchased']);

      // total used credits
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT COUNT(ID) AS used FROM credit_usage WHERE fk_user = :fk_user"
      );
      $statement->bindParam(':fk_user', $ID);
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $used = intval($statement->fetchAll(\PDO::FETCH_ASSOC)[0]['used']);

      // credit
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT * FROM credit WHERE ID_user = $ID ORDER BY stamp DESC"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $credit = $statement->fetchAll(\PDO::FETCH_ASSOC);

      // OK
      return array(
        'result' => 'OK',
        'credit' => $credit,
        'purchased' => $purchased,
        'used' => $used
      );
    }

    /**
     * 
     */
    public function adminCreditPost($User, $data) {
      $userID = $User->ID;
      $customerID = $data['ID'];
      $count = $data['count'];

      // credit
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "INSERT INTO credit(ID_user, count) VALUES($customerID, $count)"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }

      // OK
      return array(
        'result' => 'OK',
        'credit' => $credit
      );
    }

    /**
     * 
     */
    public function adminCustomerGet($User, $who) {
      $userID = $User->ID;

      if($who=='physician') {
        // customers
        $statement = $this->DataInterface->DatabaseConnection->prepare(
          "SELECT ID, firstname, lastname, email FROM user WHERE type = 'physician' ORDER BY lastname, firstname"
        );
        // Error check
        if(!$statement->execute()) {
          return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
        }
        $customer = $statement->fetchAll(\PDO::FETCH_ASSOC);
      }
      else {
        // customers
        $statement = $this->DataInterface->DatabaseConnection->prepare(
          "SELECT * FROM user WHERE type = 'cro' ORDER BY ID LIMIT 0,1"
        );
        // Error check
        if(!$statement->execute()) {
          return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
        }
        $customer = $statement->fetchAll(\PDO::FETCH_ASSOC);
        // clinical trial
        $statement = $this->DataInterface->DatabaseConnection->prepare(
          "SELECT max_readers, max_investigators FROM clinical_trial"
        );
        // Error check
        if(!$statement->execute()) {
          return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
        }
        $res = $statement->fetchAll(\PDO::FETCH_ASSOC);
        if(count($res)) {
          $customer[0]['max_readers'] = $res[0]['max_readers'];
          $customer[0]['max_investigators'] = $res[0]['max_investigators'];
        }
        else {
          $customer[0]['max_readers'] = 1;
          $customer[0]['max_investigators'] = 1;
        }

        $credits = $this->adminCreditGet($User, $customer[0]['ID']);
        if($credits['result'] == 'ERROR') {
          return $credits;
        }
        $customer[0]['credits'] = $credits;
      }

      // OK
      return array(
        'result' => 'OK',
        'who' => $who,
        'customer' => $customer
      );
    }

    /**
     * Get pacs data.
     */
    public function adminPacsGet($User) {
      $userID = $User->ID;

      // customers
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT ID AS physicianID, firstname, lastname, email FROM user WHERE type = 'physician' ORDER BY lastname, firstname"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $customer = $statement->fetchAll(\PDO::FETCH_ASSOC);

      // pacs
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT * FROM settings_pacs WHERE fk_physician IS NOT NULL AND fk_center IS NULL ORDER BY fk_physician"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $pacs = $statement->fetchAll(\PDO::FETCH_ASSOC);
      foreach($pacs as &$p) {
        $p['data'] = json_decode($p['data']);
      }

      // OK
      return array(
        'result' => 'OK',
        'ourAET' => 'IIMT',
        'customer' => $customer,
        'pacs' => $pacs
      );
    }
    
    /**
     * Post pacs data.
     */
    public function adminPacsPost($User, $data) {
      $userID = $User->ID;
      $fk_physician = $data['data']['physicianID'];

      // insert
      if(intval($data['data']['PACSID'])==0) {
        $statement = $this->DataInterface->DatabaseConnection->prepare(
          "INSERT INTO settings_pacs VALUES(0, :data, :fk_physician, NULL)"
        );
        unset($data['data']['PACSID']);
        $data = json_encode($data['data'], JSON_NUMERIC_CHECK);
        $statement->bindParam(':data', $data);
        $statement->bindParam(':fk_physician', $fk_physician);
        // Error check
        if(!$statement->execute()) {
          return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
        }
      }
      // update
      else {
        $statement = $this->DataInterface->DatabaseConnection->prepare(
          "UPDATE settings_pacs SET data=:data, fk_physician=:fk_physician WHERE ID = ".$data['data']['PACSID']
        );
        unset($data['data']['PACSID']);
        $data = json_encode($data['data'], JSON_NUMERIC_CHECK);
        $statement->bindParam(':data', $data);
        $statement->bindParam(':fk_physician', $fk_physician);
        // Error check
        if(!$statement->execute()) {
          return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
        }
      }

      // OK
      return array(
        'result' => 'OK',
        'data' => $data
      );
    }

    /**
     * 
     */
    public function adminEchoPost($User, $data) {
      $cmdLine = 'echoscu '.$data['serverAddress'].' '.$data['queryPort'].' -v 2>&1';

      $output=null;
      $retval=null;
      exec($cmdLine, $output, $retval);
      if($retval !== 0 || count($output)<1) {
        return [
          'result' => 'ERROR',
          'cmdLine' => $cmdLine,
          'output' => $output, 
          'retval' => $retval
        ];
      }

      return [
        'result' => 'OK',
        'output' => $output
      ];
    }

    /**
     * Post customer data : ct only
     */
    public function adminCustomerPost($User, $data) {
      $userID = $User->ID;

      // Select
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "SELECT ID, email, password FROM user WHERE type = 'cro' ORDER BY ID LIMIT 0, 1"
      );
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $knownData = $statement->fetchAll(\PDO::FETCH_ASSOC)[0];
      $fk_user = $knownData['ID'];
      $password = $knownData['password'];
      $newUser = 0;
      if($knownData['email']!=$data['user']['email']) {
        $password = \Tools\UUID::v4();
        $newUser = 1;
      }

      // Update
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "UPDATE user SET firstname = :firstname, lastname = :lastname, password = :password, email = :email, phone = :phone WHERE ID = :ID"
      );
      $statement->bindParam(':firstname', $data['user']['firstname']);
      $statement->bindParam(':lastname', $data['user']['lastname']);
      $statement->bindParam(':password', $password);
      $statement->bindParam(':email', $data['user']['email']);
      $statement->bindParam(':phone', $data['user']['phone']);
      $statement->bindParam(':ID', $fk_user);
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }

      /*
      // Insert user
      $statement = $this->DataInterface->DatabaseConnection->prepare(
        "INSERT INTO user(activation_token, activation_expire, password, firstname, lastname, email, phone, type) VALUES(:activation_token, :activation_expire, :password, :firstname, :lastname, :email, :phone, 'cro')"
      );
      $activation_token = \Tools\UUID::v4();
      $activation_expire = date('Y-m-d H:i:s', strtotime(date('Y-m-d H:i:s'). ' + 1 days'));
      $statement->bindParam(':activation_token', $activation_token);
      $statement->bindParam(':activation_expire', $activation_expire);
      $password = \Tools\Crypto::getHashPassword('SUPER_SECURE_DEFAULT_PASSWORD');
      $statement->bindParam(':password', $password);
      $statement->bindParam(':firstname', $data['user']['firstname']);
      $statement->bindParam(':lastname', $data['user']['lastname']);
      $statement->bindParam(':email', $data['user']['email']);
      $statement->bindParam(':phone', $data['user']['phone']);
      // Error check
      if(!$statement->execute()) {
        return ['result' => 'ERROR', 'reason' => 'internal_error', 'message' => 'Database error', 'data' => $statement->errorInfo()];
      }
      $fk_user = $this->DataInterface->DatabaseConnection->lastInsertId();
      */

      // OK
      return [
        'result' => 'OK',
        'data' => $data,
        'emailTo' => $data['user']['email'],
        'emailFrom' => $User->email,
        'password_token' => $password,
        'newUser' => $newUser
      ];
    }


  }
}