<?php

require_once __DIR__."/Contractconfig_Hook.php";

/*
 * Contractconfig Hooks for 
 */
class Contractconfig_Hook_Voicenumberblock extends Contractconfig_Hook {
  protected $required_product_attributes = ["needs_number"];
  private $voip_routing;
  
  private $create_numbers = [];
  private $update_numbers = [];
  /*
   * Checks to determine if class needs to work on contract.
   */
  public function isResponsible() {
    
    /*
     * Test for standard checks
     * (Only Producttech attributes for now)
     */
    if(!parent::isResponsible()) {
      return false;
    }
    
    // do additional checks
    //$contract = $this->contract;
    return true;
  }
  
  public function init() {
    $this->errors["voicenumberblock_voicenumber"] = [];
    
    
    // get voip routing for number
    $this->getVoipRouting();
    
  }
  
  private function getVoipRouting() {
    if(is_array($this->contract->configvalues)) {
      // look in contract config
      if(array_key_exists("voip_routing",$this->contract->configvalues) && $this->contract->configvalues['voip_routing']->value->string) {
        $this->voip_routing = $this->contract->configvalues['voip_routing']->value->string;
      } else {
        // else take first value (default)
        $typedata = $this->contract->configvalues['voip_routing']->getTypedataArray();
        $this->voip_routing = $typedata[0];
      }
    }
    
    return $this->voip_routing;
  }
  
  public function beforeSave() {
    // checking before save, to return errors before saving anything
    return $this->checkNewNumbers();
  }
  
  public function afterSave() {
    // checking again, just to be sure
    $this->checkNewNumbers();
    // load voip routing again, in case it changed with the same config update
    $this->getVoipRouting();
    
    if(count($this->errors["voicenumberblock_voicenumber"])) {
      return false;
    }

    foreach($this->create_numbers as $voicenumberblock_id => $numbers) {
      foreach($numbers as $number){
        $voicenumber = VoicenumberModel::getFirst(['number' => $number]);
        
        if(!$voicenumber) {
          if($voicenumberblock_id == "none") {
            $voicenumberblock_id = null;
          }
          $this->log->debug("creating voicenumber $number in block $voicenumberblock_id");
          $voicenumber = VoicenumberModel::create([
            'voicenumberblock_id' => $voicenumberblock_id,
            "contract_id" => $this->contract->id,
            'active' => 1,
            'activated_date' => date('U'),
            'routing' => $this->voip_routing,
            'number' => $number,
            'disabled' => 0
          ]);
          if(!$voicenumber->save()) {
            $this->errors["voicenumberblock_voicenumber"][] = "Error saving new number $number";
          }
        }
      }
    }

    foreach($this->update_numbers as $number) {
        $voicenumber = VoicenumberModel::getFirst(['number' => $number]);
        $this->log->debug("creating voicenumber $number in block $voicenumberblock_id");
        $voicenumber->update([
            "contract_id" => $this->contract->id,
            'active' => 1,
            'activated_date' => date('U'),
            'routing' => $this->voip_routing,
            'disabled' => 0
        ]);
        if(!$voicenumber->save()) {
            $this->errors["voicenumberblock_voicenumber"][] = "Error saving existing number $number";
        }

    }
    
    if(count($this->errors["voicenumberblock_voicenumber"])) {
      return false;
    }
    
    return true;
  }
  
  /*
   * TODO: Check if contract was canceled, then set lock and lock_reason to reserved
   *       => should go into beforeCancel event
   */
  public function checkNewNumbers() {
    $this->log->debug(":: In Contractconfig_Hook_Voicenumberblock->afterSave()");
    // check if number was saved
    if(!array_key_exists("voicenumber", $this->configitems)) {
      $this->log->debug("configitem voicenumber does not exists");
      return true;
    }
    
    $item = $this->configitems['voicenumber'];
    //var_dump($item);exit;
    if($item->value->json) {
      $numbers = json_decode($item->value->json);
    }
    
    if(!is_array($numbers) || !count($numbers)) {
      return true;
    }
    foreach($numbers as $number) {
      if(!$number) {
        $this->log->debug("Keine nummer gespeichert");
        continue;
      }
      $this->log->debug("Nummer: $number");

      // check if Voicenumber exists
      $voicenumberblock = Voicenumberblock::findBlock($number);
      if(!$voicenumberblock) { // XXX: Create without block!
        //$this->errors["voicenumberblock_voicenumber"][] = "Ungültige Rufnummer $number: Kein aktiver Rufnummernblock gefunden";
        //continue;
        if(!array_key_exists("none", $this->create_numbers)) {
          $this->create_numbers["none"] = [];
        }
        $this->create_numbers["none"][] = $number;
          
      } else {
        if(!$voicenumberblock->isNumberInBlock($number)) {
          $this->errors["voicenumberblock_voicenumber"][] = "Ungültige Rufnummer $number: Bitte Rufnummernlänge kontrollieren! Block erlaubt ".$voicenumberblock->first ." bis ".$voicenumberblock->last;
          continue;
        }

        $voicenumber = VoicenumberModel::getFirst(['number' => $number]);
        if($voicenumber) {
          // check if number belongs to another contract
          if($voicenumber->contract_id) {
            if($voicenumber->contract_id == $this->contract->id) {
              // belongs to our contract already => no changes needed
              continue;
            }
            $this->errors["voicenumberblock_voicenumber"][] = "Ungültige Rufnummer $number: Rufnummer gehört zu bestehendem contract ".$voicenumber->contract_id;
            continue;
          }
          // check if number is locked
          if($voicenumber->disabled) {
            $this->errors["voicenumberblock_voicenumber"][] = "Ungültige Rufnummer $number: Rufnummer ist gesperrt ".$voicenumber->contract_id;
            continue;
          }
          // check if number was ported out
          if($voicenumber->ported_out) {
            $this->errors["voicenumberblock_voicenumber"][] = "Ungültige Rufnummer $number: Rufnummer wurde rausportiert ".$voicenumber->contract_id;
            continue;
          }

          $this->update_numbers[] = $number;

        } else {
          if(!array_key_exists($voicenumberblock->id, $this->create_numbers)) {
            $this->create_numbers[$voicenumberblock->id] = [];
          }
          $this->create_numbers[$voicenumberblock->id][] = $number;
        }
      }
    }
    
    if(count($this->errors["voicenumberblock_voicenumber"])) {
      return false;
    }
    return true;
    
  }
  
  public function beforeCancel() {
    
  }
  
  public function afterCancel() {
    
  }
}