<?php

class xReflector {
   
   public $Nodes         = null;
   public $Stations      = null;
   private $Flagarray    = null;
   private $Flagfile     = null;
   
   public function __construct() {
      $this->Nodes    = array();
      $this->Stations = array();
   }
   
   public function SetFlagFile($Flagfile) {
      if (file_exists($Flagfile) && (is_readable($Flagfile))) {
         $this->Flagfile = $Flagfile;
         return true;
      }
      return false;
   }
   
   public function LoadFlags() {
      if ($this->Flagfile != null) {
         $this->Flagarray = array();
         $handle = fopen($this->Flagfile,"r");
         if ($handle) {
            $i = 0;
            while(!feof($handle)) {
               $row = fgets($handle,1024);
               $tmp = explode(";", $row);
         
               if (isset($tmp[0])) { $this->Flagarray[$i]['Country'] = $tmp[0]; } else { $this->Flagarray[$i]['Country'] = 'Undefined'; }
               if (isset($tmp[1])) { $this->Flagarray[$i]['ISO']     = $tmp[1]; } else { $this->Flagarray[$i]['ISO'] = "Undefined"; }
               $this->Flagarray[$i]['DXCC']    = array();
               if (isset($tmp[2])) { 
                  $tmp2 = explode("-", $tmp[2]);
                  for ($j=0;$j<count($tmp2);$j++) {
                     $this->Flagarray[$i]['DXCC'][] = $tmp2[$j];
                  }
               }
               $i++; 
            }
            fclose($handle);
         }
         return true;
      }
      return false;
   }
   
   public function AddNode($NodeObject) {
      if (is_object($NodeObject)) {
         $this->Nodes[] = $NodeObject;
      }
   }
   
   public function NodeCount() {
      return count($this->Nodes);
   }
   
   public function GetNode($ArrayIndex) {
      if (isset($this->Nodes[$ArrayIndex])) {
         return $this->Nodes[$ArrayIndex];
      }
      return false;
   }

   public function AddStation($StationObject, $AllowDouble = false) {
      if (is_object($StationObject)) {
         
         if ($AllowDouble) {
            $this->Stations[] = $StationObject;
         }
         else {
            $FoundStationInList = false;
            $i                  = 0;
            
            $tmp = explode(" ", $StationObject->GetCallsign());
            $RealCallsign       = trim($tmp[0]);
            
            while (!$FoundStationInList && $i<$this->StationCount()) {
               if ($this->Stations[$i]->GetCallsignOnly() == $RealCallsign) {
                  $FoundStationInList = true;
               }
               $i++;
            }
            
            if (!$FoundStationInList) {
               if (strlen(trim($RealCallsign)) > 3) {
                  $this->Stations[] = $StationObject;
               }
            }
            
         }
      }
   }
   
   public function GetSuffixOfRepeater($Repeater) {
      $suffix = "";
      $found  = false;
      $i      = 0;
      while (!$found && $i < $this->NodeCount()) {
         
         if (strpos($this->Nodes[$i]->GetCallSign(), $Repeater) !== false) {
            
            
            $suffix = $this->Nodes[$i]->GetSuffix();
            $found = true;
         }
         $i++;
      }
      return $suffix;
   }
   
   public function StationCount() {
      return count($this->Stations);
   }
   
   public function GetStation($ArrayIndex) {
      if (isset($this->Stations[$ArrayIndex])) {
         return $this->Stations[$ArrayIndex];
      }
      return false;
   }
   
   public function GetFlag($Callsign) {
      $Image     = "";
      $FoundFlag = false;
      $Letters = 2;
      while (($Letters < 5) && (!$FoundFlag)) {
         $j = 0;
         $Prefix = substr($Callsign, 0, $Letters);
         while (($j < count($this->Flagarray)) && (!$FoundFlag)) {
            
            $z = 0;
            while (($z < count($this->Flagarray[$j]['DXCC'])) && (!$FoundFlag)) {
               if (trim($Prefix) == trim($this->Flagarray[$j]['DXCC'][$z])) {
                  $Image = $this->Flagarray[$j]['ISO'];
                  $FoundFlag = true;
               }
               $z++;
            }
            $j++;
         }
         $Letters++;
      }
      
      if (!$FoundFlag) {
         $Prefix = substr($Callsign, 0, 1);  
         if ($Prefix == 'N') { $Image = "us"; }
         if ($Prefix == 'K') { $Image = "us"; }
         if ($Prefix == 'W') { $Image = "us"; }
         if ($Prefix == 'G') { $Image = "gb"; }
         if ($Prefix == 'R') { $Image = "ru"; }
         if ($Prefix == 'F') { $Image = "fr"; }
      }
      return strtolower($Image);
   }
   
   public function GetModules() {
      $out = array();
      for ($i=0;$i<$this->NodeCount();$i++) {
          $Found = false;
          $b = 0;
          while ($b < count($out) && !$Found) {
             if ($out[$b] == $this->Nodes[$i]->GetLinkedModule()) {
                $Found = true;
             }
             $b++;
          }
          if (!$Found && (trim($this->Nodes[$i]->GetLinkedModule()) != "")) {
             $out[] = $this->Nodes[$i]->GetLinkedModule();
          }
      }
      return $out;
   }
      
   public function GetCallSignsInModules($Module) {
      $out = array();
      for ($i=0;$i<$this->NodeCount();$i++) {
          if ($this->Nodes[$i]->GetLinkedModule() == $Module) {
             $out[] = $this->Nodes[$i]->GetCallsign();
          }  
      }
      return $out;
   }
      
}

?>