<?php

class PreorderBillingInvoiceposition extends mfBaseModel {
    protected $forcestr = ["article_name","article_info"];
    private $invoice;


    public function getProperty($name) {
        if($this->$name == null) {

            if($name == "invoice") {
                $invoice = PreorderBillingInvoice::getFirst(["invoice_id" => $this->invoice_id]);
                if($invoice) {
                    $this->invoice = $invoice;
                }
                return $this->invoice;
            }

            if($name == "creator") {
                $creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
                if($creator) {
                    $this->creator = $creator;
                    return $this->creator;
                }
                $this->creator = new User($this->create_by);

                if(!$this->creator->id) {
                    return null;
                }
                mfValuecache::singleton()->set("Worker-id-".$this->create_by, $this->creator);
                return $this->creator;
            }

            if($name == "editor") {
                $editor = mfValuecache::singleton()->get("Worker-id-".$this->edit_by);
                if($editor) {
                    $this->editor = $editor;
                    return $this->editor;
                }
                $this->editor = new User($this->edit_by);
                if(!$this->editor->id) {
                    return null;
                }
                mfValuecache::singleton()->set("Worker-id-".$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;

    }

    /********************************
     * Begin static Model functions
     */

    public static function create(Array $data) {
        $model = new PreorderBillingInvoiceposition();

        $table_fields = [
            "invoice_id", "billing_id", "start_date", "end_date", "product_id", "product_type", "article_number", "article_name", "article_info",
            "amount", "unit", "price", "price_total", "price_gross", "vatrate", "billing_period",
            "create_by","edit_by","create","edit"
        ];

        foreach($data as $field => $value) {
            if(in_array($field, $table_fields)) {
                $model->$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 getAll() {
        $items = [];

        $db = FronkDB::singleton();

        $res = $db->select("PreorderBillingInvoiceposition", "*", "1 = 1 ORDER BY id");
        if($db->num_rows($res)) {
            while($data = $db->fetch_object($res)) {
                $items[] = new PreorderBillingInvoiceposition($data);
            }
        }
        return $items;

    }

    public static function getFirst($filter) {
        $db = FronkDB::singleton();

        $where = self::getSqlFilter($filter);
        $sql = "SELECT PreorderBillingInvoiceposition.* FROM PreorderBillingInvoiceposition
                WHERE $where 
                ORDER BY id LIMIT 1";

        //mfLoghandler::singleton()->debug($sql);
        $res = $db->query($sql);
        if($db->num_rows($res)) {
            $data = $db->fetch_object($res);
            $item = new PreorderBillingInvoiceposition($data);
            if($item->id) {
                return $item;
            } else {
                return null;
            }
        }
        return null;
    }

    public static function count($filter) {
        $db = FronkDB::singleton();

        $where = self::getSqlFilter($filter);
        $sql = "SELECT COUNT(*) as cnt FROM PreorderBillingInvoiceposition
                WHERE $where";

        //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, $order = false) {
        //var_dump($filter);exit;
        $items = [];

        if(!$order) {
            $order = "id ASC";
        }

        $db = FronkDB::singleton();

        $where = self::getSqlFilter($filter);
        $sql = "SELECT PreorderBillingInvoiceposition.* FROM PreorderBillingInvoiceposition
                WHERE $where
                ORDER BY $order";

        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 PreorderBillingInvoiceposition($data);
            }
        }

        return $items;
    }

    private static function getSqlFilter($filter) {
        $where = "1=1 ";

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

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

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


        if(array_key_exists("add-where", $filter)) {
            $where .= " ".$filter['add-where'];
        }

        //var_dump($filter, $where);exit;
        return $where;
    }

}