<?php

class Contract extends mfBaseModel {
  protected $forcestr = ["product_name","product_info","matchcode"];
  
  private $owner;
  private $billingaddress;
  private $product;
  private $orderproduct;
  private $termination;
  private $sla;
  private $contractConfigGroups;
  private $contractConfigItems;
  private $configgroups;
  private $configvalues;
  private $isCancelled;
  private $journals;
  private $links;
  private $linkFrom;
  private $linkTo;
  private $upgradeFrom;
  private $upgradeTo;
  private $downgradeFrom;
  private $downgradeTo;
  private $productchangeFrom;
  private $productchangeTo;
  private $relocationFrom;
  private $relocationTo;
  private $finisher;
  private $canceler;
  private $creator;
  private $editor;
  
  
  private function getLinks() {
    $this->linkFrom = [];
    $this->linkTo = [];
    $this->upgradeFrom = [];
    $this->upgradeTo = [];
    $this->downgradeFrom = [];
    $this->downgradeTo = [];
    $this->productchangeFrom = [];
    $this->productchangeTo = [];
    $this->relocationFrom = [];
    $this->relocationTo = [];
    
    // Links targeting this contract (to)
    foreach(ContractLinkModel::search(['origin_contract_id' => $this->id]) as $link) {
      switch($link->type) {
        case "link":
          $this->linkTo[] = $link;
          break;
        case "upgrade":
          $this->upgradeTo[] = $link;
          break;
        case "downgrade":
          $this->downgradeTo[] = $link;
          break;
        case "productchange":
          $this->productchangeTo[] = $link;
          break;
        case "relocation":
          $this->relocationTo[] = $link;
          break;
        default:
          $this->log->warn("ContractLink with invalid type: ".$link->id." ".$link->type);
          break;
      }
    }
    
    foreach(ContractLinkModel::search(['contract_id' => $this->id]) as $link) {
      switch($link->type) {
        case "link":
          $this->linkFrom[] = $link;
          break;
        case "upgrade":
          $this->upgradeFrom[] = $link;
          break;
        case "downgrade":
          $this->downgradeFrom[] = $link;
          break;
        case "productchange":
          $this->productchangeFrom[] = $link;
          break;
        case "relocation":
          $this->relocationFrom[] = $link;
          break;
        default:
          $this->log->warn("ContractLink with invalid type: ".$link->id." ".$link->type);
          break;
      }
    }
    
  }
  
  
  public function isCancelled() {
    if(!$this->id) {
      return false;
    }

    if(!$this->cancel_date) {
      return false;
    }

    $now = date('U');
    if($this->cancel_date <= $now) {
      return true;
    }
    
    return false;
  }
  
  public function generateMatchcode() {
    $owner_address = $this->getProperty("owner")->street.", ".$this->getProperty("owner")->zip." ".$this->getProperty("owner")->city;
    
    if($this->termination_id) {
      $termination = new Termination($this->termination_id);
      $termination_address = $termination->building->street.", ".$termination->building->zip." ".$termination->building->city;
      return $termination_address;
    }
    
    if(stripos($this->getProperty("product")->name, "dsl") != false) {
      return $owner_address;
    }
    
    return false;
  }
  
  public function getProperty($name) {
    if($this->$name == null) {
      
      if($name == "billingaddress" && $this->billingaddress_id) {
        $this->billingaddress = mfValuecache::singleton()->get("mfObjectmodel-Address-".$this->billingaddress_id);
        if($this->billingaddress === null) {
          $this->billingaddress = new Address($this->billingaddress_id);
          if($this->billingaddress->id) {
            mfValuecache::singleton()->set("mfObjectmodel-Address-".$this->billingaddress_id, $this->billingaddress);
          }
        }
        return $this->billingaddress;
      }
      
      if($name == "owner" && $this->owner_id) {
        $this->owner = mfValuecache::singleton()->get("mfObjectmodel-Address-".$this->owner_id);
        if($this->owner === null) {
          $this->owner = new Address($this->owner_id);
          if($this->owner->id) {
            mfValuecache::singleton()->set("mfObjectmodel-Address-".$this->owner_id, $this->owner);
          }
        }
        return $this->owner;
      }
      
      if($name == "product") {
        $this->product = mfValuecache::singleton()->get("mfObjectmodel-Product-".$this->product_id);
        if($this->product === null) {
          $this->product = new Product($this->product_id);
          if($this->product->id) {
            mfValuecache::singleton()->set("mfObjectmodel-Product-".$this->product_id, $this->product);
          }
        }
        return $this->product;
      }
      
      if($name == "orderproduct") {
        $this->orderproduct = mfValuecache::singleton()->get("mfObjectmodel-OrderProduct-".$this->orderproduct_id);
        if($this->orderproduct === null) {
          $this->orderproduct = new OrderProduct($this->orderproduct_id);
          if($this->orderproduct->id) {
            mfValuecache::singleton()->set("mfObjectmodel-OrderProduct-".$this->orderproduct_id, $this->orderproduct);
          }
        }
        return $this->orderproduct;
      }
      
      
      if(!$this->id) {
        return null;
      }
      
      
      
      
      /*if($name == "contractConfigGroups") {
        $product = $this->getProperty("product");
        $this->contractConfigGroups = ContractconfigGroupModel::search(['producttech_id' => $product->producttech_id]);
        return $this->contractConfigGroups;
      }*/
      
      if($name == "configgroups") {
        $product = $this->getProperty("product");
        $this->configgroups = [];
        foreach(ContractconfiggroupProductgroupModel::search(['productgroup_id' => $product->productgroup_id]) as $ccpg) {
          $ccpg->contractconfiggroup->setContractId($this->id);
          $this->configgroups[] = $ccpg->contractconfiggroup;
        }
        
        return $this->configgroups;
      }
      
      if($name == "configvalues") {
        foreach($this->getProperty("configgroups") as $group) {
          foreach($group->items as $item) {
            $this->configvalues[$item->name] = $item;
          }
        }
        
        return $this->configvalues;
      }
      
      /*if($name == "contractConfigItems") {
        $product = $this->getProperty("product");
        
        $this->contractConfigItems = [];
        foreach(ProducttechAttributeModel::search(['producttech_id' => $product->producttech_id, "forcontract" => 1]) as $item) {
          $item->setContractId($this->id);
          $this->contractConfigItems [] = $item;
        }
        
        return $this->contractConfigItems;
      }*/
      
      if($name == "journals") {
        $this->journals = array_reverse(ContractjournalModel::search(["contract_id" => $this->id]));
        return $this->journals;
      }
      
      if($name == "links") {
        $this->links = ContractLinkModel::includesContractId($this->id, ["type" => $link]);
        //var_dump($this->links);exit;
        return $this->links;
      }
      
      if(in_array($name, ['linkFrom','linkTo','upgradeFrom','upgradeTo','downgradeFrom','downgradeTo','productchangeFrom','productchangeTo','relocationFrom','relocationTo'])) {
        if($this->$name === null) {
          $this->getLinks();
        }
        return $this->$name;
      }
      
      if($name == "finisher") {
        $this->finisher = mfValuecache::singleton()->get("Worker-id-".$this->finish_date_by);
        if($this->finisher === null) {
          $this->finisher = new User($this->finish_date_by);
          if($this->finisher->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->finish_date_by, $this->finisher);
          }
        }
        return $this->finisher;
      }
      
      if($name == "canceler") {
        $this->canceler = mfValuecache::singleton()->get("Worker-id-".$this->cancel_date_by);
        if($this->canceler === null) {
          $this->canceler = new User($this->cancel_date_by);
          if($this->canceler->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->cancel_date_by, $this->canceler);
          }
        }
        return $this->canceler;
      }
      
      if($name == "creator") {
        $this->creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
        if($this->creator === null) {
          $this->creator = new User($this->create_by);
          if($this->creator->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->create_by, $this->creator);
          }
        }
        return $this->creator;
      }
      
      if($name == "editor") {
        $this->editor = mfValuecache::singleton()->get("Worker-id-".$this->edit_by);
        if($this->editor === null) {
          $this->editor = new User($this->edit_by);
          if($this->editor->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->edit_by, $this->editor);
          }
        }
        return $this->editor;
      }
      
      $classname = ucfirst($name);
      $idfield = $name."_id";
      $this->$name = mfValuecache::singleton()->get("mfObjectmodel-$name-".$this->$idfield);
      if(!$this->$name) {
        $this->$name = new $classname($this->$idfield);
      }
      
      if($this->$name->id) {
        mfValuecache::singleton()->set("mfObjectmodel-$name-".$this->$name->id, $this->$name);
        return $this->$name;
      } else {
        return null;
      }
      
    }
    
    return $this->$name;
  }
  
  
  
  /*
   * When object is cloned, new object will call this funtion to let us clean up the new Contract.
   * Throws Exception if cloning fails.
   */
  public function __clone() {
    $me = new User;
    $me->loadMe();
    
    $old_id = $this->id;
    $this->id = null;
    
    
    // cleanup Contract daten
    $this->orderproduct_id = null;
    $this->order_date = null;
    $this->finish_date = null;
    $this->finish_date_by = null;
    $this->cancel_date = null;
    $this->cancel_date_by = null;
    $this->create_by = $me->id;
    $this->edit_by = $me->id;
    
    $this->create = null;
    $this->edit = null;
    $this->saved = 0;
    $this->mode = "new";
    $this->_old_data = new StdClass();
    
    //$this->save();
    
    if($old_id == $this->id) {
      $this->log->error("save() of cloned Contract $old_id failed!");
      throw new Exception("Saving clone failed.");
    }
    
    $this->log->debug("Cloned Contract $old_id");
  }

}