<?php

class ContractModel {
  public $orderproduct_id;
  public $owner_id;
  public $billingaddress_id;
  public $termination_id;
  public $product_id;
  public $product_name;
  public $product_info;
  public $matchcode;
  public $amount;
  public $sla_id = null;
  public $product_external;
  public $product_external_id;
  public $price = null;
  public $price_setup = null;
  public $vatgroup_id = null;
  public $price_nne = null;
  public $price_nbe = null;
  public $billing_delay = null;
  public $billing_period = null;
  public $order_date;
  public $finish_date;
  public $finish_date_by;
  public $cancel_date;
  public $cancel_date_by;
  public $imported_from;
  public $imported_data;
  
  public $note = null;
  public $create_by = null;
  public $edit_by = null;
  public $create = null;
  public $edit = null;
  

  public static function create(Array $data) {
    $model = new Contract();
    
    foreach($data as $field => $value) {
      if(property_exists(get_called_class(), $field)) {
        $model ->$field = $value;
      }
    }
    
    $me = new User();
    $me->loadMe();

    if($model->create_by === null) {
      $model->create_by = $me->id;
    }
    if($model->edit_by === null) {
      $model->edit_by = $me->id;
    }
    
    return $model;
  }
  
  public static function createFromOrderproduct(OrderProduct $op) {
    $log = mfLoghandler::singleton();
    
    if(!$op->id) {
      $log->warning(__METHOD__."(): Invalid OrderProduct object");
      return false;
    }
    
    $order = $op->order;
    $product = $op->product;
    
    if(!$order->id || !$product->id) {
      $log->warning(__METHOD__."(): Invalid Order or Product");
      return false;
    }
    
    if(!$order->finish_date || $order->finish_date > date("U")) {
      $log->warning(__METHOD__."(): Order not finished yet");
      return false;
    }
    
    $data = [];
    $data["orderproduct_id"] = $op->id;
    $data["owner_id"] = $order->owner_id;
    $data["billingaddress_id"] = $order->billingaddress_id;
    $data["termination_id"] = ($op->termination_id) ? $op->termination_id : null;
    $data["product_id"] = $op->product_id;
    $data["product_name"] = $product->name;
    $data["product_info"] = $product->description;
    $data["amount"] = $op->amount;
    $data["sla_id"] = $product->sla_id;
    $data["product_external"] = ($product->external) ? $product->external : 0;
    $data["product_external_id"] = ($product->external) ? $product->external_id : null;
    $data["price"] = $op->price;
    $data["price_setup"] = $op->price_setup;
    $data["price_nne"] = $op->price_nne;
    $data["price_nbe"] = $op->price_nbe;
    $data["vatgroup_id"] = $op->product->vatgroup_id;
    $data["billing_delay"] = $op->billing_delay;
    $data["billing_period"] = $op->billing_period;
    $data["order_date"] = $order->order_date;
    
    $data["finish_date"] = $order->finish_date;
    $data["finish_date_by"] = 1;
    $data["note"] = $order->note;
    
    $contract = ContractModel::create($data);
    $contract->matchcode = $contract->generateMatchcode();
    //var_dump($contract);exit;
    
    return $contract;
  }

  public static function createFromContractQueue(Contractqueue $cq, $contracttype = "contract") {
      $log = mfLoghandler::singleton();
      $me = new User();
      $me->loadMe();

      if(!$cq->id) {
          $log->warning(__METHOD__."(): Invalid Contractqueue object");
          return false;
      }

      $order_id = $cq->order_id;
      $product_id = $cq->product_id;

      $order = new Order($order_id);
      $product = new Product($product_id);

      if(!$order->id || !$product->id) {
          $log->warning(__METHOD__."(): Invalid Order or Product");
          return false;
      }

      if(!$order->finish_date || $order->finish_date > date("U")) {
          $log->warning(__METHOD__."(): Order not finished yet");
          return false;
      }

      $data = [];
      $data["orderproduct_id"] = $cq->orderproduct_id;
      $data["matchcode"] = $cq->matchcode;
      $data["owner_id"] = $cq->owner_id;
      $data["billingaddress_id"] = ($cq->billingaddress_id) ? $cq->billingaddress_id : $cq->owner_id;
      $data["termination_id"] = ($cq->termination_id) ? $cq->termination_id : null;
      $data["product_id"] = $cq->product_id;
      $data["product_name"] = $cq->product_name;
      $data["product_info"] = $cq->product_info;
      $data["amount"] = $cq->amount;
      $data["sla_id"] = $cq->sla_id;
      $data["product_external"] = $cq->product_external;
      $data["product_external_id"] = $cq->product_external_id;
      $data["price"] = $cq->price;
      $data["price_setup"] = $cq->price_setup;
      $data["price_nne"] = $cq->price_nne;
      $data["price_nbe"] = $cq->price_nbe;
      $data["vatgroup_id"] = $cq->vatgroup_id;
      $data["billing_delay"] = $cq->billing_delay;
      $data["billing_period"] = $cq->billing_period;
      $data["contract_term"] = $cq->contract_term;
      $data["order_date"] = $order->order_date;


      $data["finish_date"] = $order->finish_date;
      $data["finish_date_by"] = $me->id;
      $data["note"] = $order->note;

      if($contracttype == "credit") {
          $crediting_price = $cq->price_nne;
          if($cq->crediting_partner_rate) {
              $crediting_price = round($cq->price / 100 * $cq->crediting_partner_rate, 4);
          }
          $crediting_price *= -1;

          /*if($crediting_price == 0) {
              return true;
          }*/

          $data["matchcode"] = $cq->crediting_matchcode;
          $data["owner_id"] = $cq->crediting_partner_id;
          $data["billingaddress_id"] = $cq->crediting_partner_id;
          $data["termination_id"] = null;
          $data["price"] = $crediting_price;
          $data["price_setup"] = 0;
          $data["price_nne"] = 0;
          $data["price_nbe"] = 0;
          $data["vatgroup_id"] = TT_VATGROUP_CREDIT;
      }

      $contract = ContractModel::create($data);
      //var_dump($contract);exit;


      return $contract;
  }

    /**
     * To create Credit Contract for Partner (NNE)
     *
     * @param Contract $contract
     * @return bool|Contract
     */
  public static function createCreditForContract($contract) {
      $log = mfLoghandler::singleton();
      $me = new User();
      $me->loadMe();

      if(!$contract->id) {
          $log->warning(__METHOD__."(): Invalid Contract object");
          return false;
      }

      $product = $contract->product;
      $owner = $contract->owner;

      if(!$product->id) {
          $log->warning(__METHOD__."(): Invalid Product");
          return false;
      }

      /*
       * Get credit price from NNE or percentage of sales price
       */
      $crediting_partner_id = false;
      $crediting_partner_rate = false;

      $product_attribs = $product->attributes;
      if(is_array($product_attribs) && array_key_exists("crediting_partner", $product_attribs) && $product_attribs["crediting_partner"] && is_object($product_attribs["crediting_partner"])) {
          if($product_attribs["crediting_partner"]->value) {
              $crediting_partner_id = $product_attribs["crediting_partner"]->value;
          }
          if($product_attribs["crediting_rate"]->value) {
              $crediting_partner_rate = str_replace(",", ".",$product_attribs["crediting_rate"]->value);
          }
      }

      // or from netowner if anschluss product
      if(!$crediting_partner_id && $contract->termination_id) {
          $crediting_partner_id = $contract->termination->building->network->owner_id;
      }

      $crediting_partner = new Address($crediting_partner_id);
      if(!$crediting_partner->id) {
          $log->error(__METHOD__.": Kein Crediting Partner gefunden für Credit für Contract ID ".$contract->id);
          return false;
      }

      // determine price:
      // either NNE or percentage based, depends on product
      $crediting_price = $product->price_nne;
      if($crediting_partner_rate) {
          $crediting_price = round($contract->price / 100 * $crediting_partner_rate, 4);
      }

      if(!$crediting_price) return true;
      $crediting_price *= -1;

      $data = [];
      $data["orderproduct_id"] = null;
      $data["owner_id"] = $crediting_partner_id;
      $data["billingaddress_id"] = $crediting_partner_id;
      $data["termination_id"] = null;
      $data["product_id"] = $contract->product_id;
      $data["product_name"] = $contract->product_name;
      $data["product_info"] = $contract->product_info;
      $data["amount"] = $contract->amount;
      $data["sla_id"] = $contract->sla_id;
      $data["product_external"] = $contract->product_external;
      $data["product_external_id"] = $contract->product_external_id;
      $data["billing_delay"] = $contract->billing_delay;
      $data["billing_period"] = $contract->billing_period;
      $data["contract_term"] = $contract->contract_term;
      $data["order_date"] = $contract->order_date;

      $data["finish_date"] = $contract->finish_date;
      $data["finish_date_by"] = $me->id;
      $data["note"] = null;


      // matchcode
      $owner_address = $owner->street.", ".$owner->zip." ".$owner->city;
      if($contract->termination_id) {
          $termination = new Termination($contract->termination_id);
          $termination_address = $termination->building->street.", ".$termination->building->zip." ".$termination->building->city;
          $matchcode = $termination_address;
      } else {
          $matchcode = $owner_address;
      }

      $matchcode = $contract->owner->getCompanyOrName()."; $matchcode";

      $data["matchcode"] = $matchcode;
      $data["price"] = $crediting_price;
      $data["price_setup"] = 0;
      $data["price_nne"] = 0;
      $data["price_nbe"] = 0;
      $data["vatgroup_id"] = TT_VATGROUP_CREDIT;

      $credit = ContractModel::create($data);

      return $credit;
  }
  
  public static function getAll() {
    $items = [];
    
    $db = FronkDB::singleton();
    
    $res = $db->select("Contract", "*", "1 = 1 ORDER BY owner_id,`create`");
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[] = new Contract($data);
      }
    }
    return $items;
    
  }
  
  public static function getFirst($filter) {
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT Contract.* FROM Contract
            LEFT JOIN Address ON (Contract.owner_id = Address.id)
            LEFT JOIN OrderProduct ON (Contract.orderproduct_id = OrderProduct.id)
            LEFT JOIN `Order` ON (OrderProduct.order_id = `Order`.id)
            LEFT JOIN Product ON (Contract.product_id = Product.id)
            WHERE $where
            GROUP BY Contract.id
            ORDER BY Contract.`create`,Contract.id
            LIMIT 1";
    //var_dump($sql);exit;
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      $item = new Contract($data);
      if($item->id) {
        return $item;
      } else {
        return null;
      }
    }
    return null;
  }
  
  public static function countActive($filter) {
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT COUNT(*) as cnt FROM (
            SELECT Contract.* FROM Contract
            LEFT JOIN Address ON (Contract.owner_id = Address.id)
            LEFT JOIN OrderProduct ON (Contract.orderproduct_id = OrderProduct.id)
            LEFT JOIN `Order` ON (OrderProduct.order_id = `Order`.id)
            LEFT JOIN Product ON (Contract.product_id = Product.id)
            WHERE $where
            AND (cancel_date IS NULL OR cancel_date > UNIX_TIMESTAMP())
            GROUP BY Contract.id
            ) contract";
    
    mfLoghandler::singleton()->debug($sql);
    
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      return $data->cnt;
    }
    return 0;
  }
  
  public static function searchActive($filter, $limit = false) {
    //var_dump($filter);exit;
    $items = [];
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT Contract.* FROM Contract
            LEFT JOIN Address ON (Contract.owner_id = Address.id)
            LEFT JOIN OrderProduct ON (Contract.orderproduct_id = OrderProduct.id)
            LEFT JOIN `Order` ON (OrderProduct.order_id = `Order`.id)
            LEFT JOIN Product ON (Contract.product_id = Product.id)
            WHERE $where
            AND (cancel_date IS NULL OR cancel_date > UNIX_TIMESTAMP())
            GROUP BY Contract.id
            ORDER BY Contract.`create`,Contract.id";
    
    if(is_array($limit) && count($limit)) {
      if(is_numeric($limit['start']) && is_numeric($limit['count'])) {
        $sql .= " LIMIT ".$limit['start'].", ".$limit['count'];
      } elseif(is_numeric($limit['count'])) {
        $sql .= " LIMIT ".$limit['count'];
      }
    }
    
    mfLoghandler::singleton()->debug($sql);
    
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[$data->id] = new Contract($data);
      }
    }
    
    return $items;
  }
  
  public static function count($filter) {
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT COUNT(*) as cnt FROM (
            SELECT Contract.* FROM Contract
            LEFT JOIN Address ON (Contract.owner_id = Address.id)
            LEFT JOIN OrderProduct ON (Contract.orderproduct_id = OrderProduct.id)
            LEFT JOIN `Order` ON (OrderProduct.order_id = `Order`.id)
            LEFT JOIN Product ON (Contract.product_id = Product.id)
            WHERE $where
            GROUP BY Contract.id
            ) contract";
    
    mfLoghandler::singleton()->debug($sql);
    
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      $data = $db->fetch_object($res);
      return $data->cnt;
    }
    return 0;
  }
  
  public static function search($filter = [], $limit = false) {
    //var_dump($filter);exit;
    $items = [];
    $db = FronkDB::singleton();
    
    $where = self::getSqlFilter($filter);
    $sql = "SELECT Contract.* FROM Contract
            LEFT JOIN Address ON (Contract.owner_id = Address.id)
            LEFT JOIN OrderProduct ON (Contract.orderproduct_id = OrderProduct.id)
            LEFT JOIN `Order` ON (OrderProduct.order_id = `Order`.id)
            LEFT JOIN Product ON (Contract.product_id = Product.id)
            WHERE $where
            GROUP BY Contract.id
            ORDER BY Contract.`create`,Contract.id";
    
    if(is_array($limit) && count($limit)) {
      if(is_numeric($limit['start']) && is_numeric($limit['count'])) {
        $sql .= " LIMIT ".$limit['start'].", ".$limit['count'];
      } elseif(is_numeric($limit['count'])) {
        $sql .= " LIMIT ".$limit['count'];
      }
    }
    
    mfLoghandler::singleton()->debug($sql);
    
    $res = $db->query($sql);
    if($db->num_rows($res)) {
      while($data = $db->fetch_object($res)) {
        $items[$data->id] = new Contract($data);
      }
    }
    
    return $items;
  }
  
  private static function getSqlFilter($filter) {
    $where = "1=1 ";
    
    $db = FronkDB::singleton();

    //var_dump($filter);exit;
    
    if(array_key_exists("id", $filter)) {
      $id = $filter['id'];
      if(is_numeric($id)) {
        $where .= " AND Contract.id like '%$id%'";
      }
    }
    
    if(array_key_exists("owner_id", $filter)) {
      $owner_id = $filter['owner_id'];
      if(is_numeric($owner_id)) {
        $where .= " AND Contract.owner_id=$owner_id";
      }
    }
    
    if(array_key_exists("billingaddress_id", $filter)) {
      $billingaddress_id = $filter['billingaddress_id'];
      if(is_numeric($billingaddress_id)) {
        $where .= " AND Contract.billingaddress_id=$billingaddress_id";
      }
    }
    
    if(array_key_exists("product_id", $filter)) {
      $product_id = $filter['product_id'];
      if(is_numeric($product_id)) {
        $where .= " AND Contract.product_id=$product_id";
      } elseif(is_array($product_id)) {
          $where .= " AND Contract.product_id IN (".implode(",", $product_id).")";
      }
    }
    
    if(array_key_exists("orderproduct_id", $filter)) {
      $orderproduct_id = $filter['orderproduct_id'];
      if(is_numeric($orderproduct_id)) {
        $where .= " AND Contract.orderproduct_id=$orderproduct_id";
      }
    }
    
    if(array_key_exists("product_name", $filter)) {
      $product_name = $db->escape($filter['product_name']);
      if($product_name) {
        $where .= " AND (Contract.`product_name` like '%$product_name%' OR Product.name like '%$product_name%')";
      }
    }

      if(array_key_exists("termination_id", $filter)) {
          $termination_id = $filter['termination_id'];
          if(is_array($termination_id)) {
              if(count($termination_id)) {
                  $where .= " AND Contract.termination_id IN (".implode(",", $termination_id).")";
              }
          } elseif($termination_id) {
              $termination_id = FronkDB::singleton()->escape($filter['termination_id']);
              $where .= " AND Contract.termination_id = $termination_id";
          }
      }
    
    if(array_key_exists("matchcode", $filter)) {
      $matchcode = $db->escape($filter['matchcode']);
      if($matchcode) {
        $where .= " AND Contract.`matchcode` like '%$matchcode%'";
      }
    }
    
    if(array_key_exists("rtr_code", $filter)) {
      $rtr_code = $filter['rtr_code'];
      if(is_numeric($rtr_code)) {
        $where .= " AND Contract.rtr_code=$rtr_code";
      }
    }
    
    if(array_key_exists("customer_number", $filter)) {
      $customer_number = $filter['customer_number'];
      if(is_numeric($customer_number)) {
        $where .= " AND Address.customer_number=$customer_number";
      }
    }
    
    if(array_key_exists("owner", $filter)) {
      $owner = FronkDB::singleton()->escape($filter["owner"]);
      if($owner) {
        $where .= " AND (Address.company like '%$owner%' OR (CONCAT(Address.firstname, ' ', Address.lastname) like '%$owner%' OR CONCAT(Address.lastname, ' ', Address.firstname) like '%$owner%' ))";
      }
    }
    
    if(array_key_exists("imported_from", $filter)) {
      $imported_from = FronkDB::singleton()->escape($filter["imported_from"]);
      if($imported_from) {
        $where .= " AND Contract.imported_from like '$imported_from'";
      }
    }
    
    if(array_key_exists("imported_data", $filter)) {
      $imported_data = FronkDB::singleton()->escape($filter["imported_data"]);
      if($imported_data) {
        $where .= " AND Contract.imported_data like '$imported_data'";
      }
    }

      if(array_key_exists("price<", $filter)) {
          $price = $filter['price<'];
          if(is_numeric($price)) {
              $where .= " AND Contract.price < $price";
          }
      }
      if(array_key_exists("price<=", $filter)) {
          $price = $filter['price<='];
          if(is_numeric($price)) {
              $where .= " AND Contract.price <= $price";
          }
      }

      if(array_key_exists("price>", $filter)) {
          $price = $filter['price>'];
          if(is_numeric($price)) {
              $where .= " AND Contract.price > $price";
          }
      }
      if(array_key_exists("price>=", $filter)) {
          $price = $filter['price>='];
          if(is_numeric($price)) {
              $where .= " AND Contract.price >= $price";
          }
      }

      if(array_key_exists("billing_period", $filter)) {
          $billing_period = $filter['billing_period'];
          if(is_numeric($billing_period)) {
              $where .= " AND Contract.billing_period=$billing_period";
          }
      }

      if(array_key_exists("finish_date", $filter)) {
          $finish_date = $filter['finish_date'];
          if(is_numeric($finish_date)) {
              $where .= " AND Contract.finish_date = $finish_date";
          }
      }

      if(array_key_exists("finish_date>", $filter)) {
          $finish_date = $filter['finish_date>'];
          if(is_numeric($finish_date)) {
              $where .= " AND Contract.finish_date >= $finish_date";
          }
      }

      if(array_key_exists("finish_date<", $filter)) {
          $finish_date = $filter['finish_date<'];
          if(is_numeric($finish_date)) {
              $where .= " AND Contract.finish_date <= $finish_date";
          }
      }

      if(array_key_exists("cancel_date", $filter)) {
          $cancel_date = $filter['cancel_date'];
          if($cancel_date == true) {
              $where .= " AND Contract.cancel_date > 0";
          } elseif($cancel_date === false || $cancel_date === null) {
              $where .= " AND (Contract.cancel_date = 0 OR Contract.cancel_date IS NULL)";
          }
      }


      if(array_key_exists("cancel_date>", $filter)) {
          $cancel_date = $filter['cancel_date>'];
          if(is_numeric($cancel_date)) {
              $where .= " AND Contract.cancel_date >= $cancel_date";
          }
      }

      if(array_key_exists("cancel_date_null_or_gte", $filter)) {
          $cancel_date = $filter['cancel_date_null_or_gte'];
          if(is_numeric($cancel_date)) {
              $where .= " AND (Contract.cancel_date IS NULL OR Contract.cancel_date >= $cancel_date)";
          }
      }

      if(array_key_exists("cancel_date<", $filter)) {
          $cancel_date = $filter['cancel_date<'];
          if(is_numeric($cancel_date)) {
              $where .= " AND Contract.cancel_date <= $cancel_date";
          }
      }

      if(array_key_exists("cancel_date_null_or_lte", $filter)) {
          $cancel_date = $filter['cancel_date_null_or_lte'];
          if(is_numeric($cancel_date)) {
              $where .= " AND (Contract.cancel_date IS NULL OR Contract.cancel_date <= $cancel_date)";
          }
      }
    
    if(array_key_exists("add-where", $filter)) {
      $where .= " ".$filter['add-where'];
    }
    
    
    //var_dump($filter, $where);exit;
    return $where;
  }
  
}