<?php

class InvoiceModel {
    public $invoice_number;
    public $invoice_date;
    public $owner_id;
    public $billingaddress_id;
    public $customer_number;
    public $fibu_account_number;
    public $sepa_date;
    public $sepa_id;
    public $sepa_last_date;
    public $fibu_cost_area;
    public $fibu_cost_account;
    public $fibu_cost_account_legacy;
    public $fibu_taxcode;
    public $tax_text;
    public $company;
    public $firstname;
    public $lastname;
    public $street;
    public $zip;
    public $city;
    public $country;
    public $email;
    public $uid;
    public $billing_type;
    public $billing_delivery;
    public $bank_account_bank;
    public $bank_account_owner;
    public $bank_account_iban;
    public $bank_account_bic;
    public $total;
    public $total_gross;
    public $bmd_export_date;
    public $date_delivered;
    public $total_vat;
    public $create_by;
    public $edit_by;
    public $create;
    public $edit;


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

        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 getNextInvoiceNUmber() {
        $last_invoice_num = self::getLastInvoiceNumber();

        if(!$last_invoice_num) {
            return TT_FIRST_INVOICE_NUM;
        }

        $year_part = 0;
        $num_part = 0;

        $m = [];
        if(preg_match('/^RN(\d+)-X(\d+)$/', $last_invoice_num, $m)) {
            if(array_key_exists(1, $m)) {
                $year_part = $m[1];
                if(array_key_exists(2, $m)) {
                    $num_part = $m[2];
                }
            }
        }

        if(!$year_part || !$num_part) {
            die("NO LAST INVOICE NUMBER!!!");
        }

        //var_dump($year_part, $num_part);exit;
        if(date("Y") == $year_part) {
            $new_year_part = $year_part;
            $new_num_part = $num_part + 1;
        } else {
            $new_year_part = date("Y");
            $new_num_part = 1;
        }

        $new_invoice_num = "RN$new_year_part-X".str_pad($new_num_part,"6", "0", STR_PAD_LEFT);
        return $new_invoice_num;
    }

    public static function getLastInvoiceNumber() {
        $last_invoice = self::getLast(["invoice_number" => true]);
        if(!$last_invoice || !$last_invoice->invoice_number) {
            return false;
        }
        return $last_invoice->invoice_number;
    }

    public static function getAll() {
        $items = [];

        $db = FronkDB::singleton();

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

    }

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

        $where = self::getSqlFilter($filter);
        $sql = "SELECT * FROM Invoice
                WHERE $where 
                ORDER BY invoice_number LIMIT 1";
        //var_dump($sql);exit;
        $res = $db->query($sql);
        if($db->num_rows($res)) {
            $data = $db->fetch_object($res);
            $item = new Invoice($data);
            if($item->id) {
                return $item;
            } else {
                return null;
            }
        }
        return null;
    }

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

        $where = self::getSqlFilter($filter);
        $sql = "SELECT * FROM Invoice
                WHERE $where 
                ORDER BY invoice_number DESC LIMIT 1";

        //mfLoghandler::singleton()->debug($sql);

        $res = $db->query($sql);
        if($db->num_rows($res)) {
            $data = $db->fetch_object($res);
            $item = new Invoice($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 Invoice
                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 = "invoice_number ASC";
        }

        $db = FronkDB::singleton();

        $where = self::getSqlFilter($filter);
        $sql = "SELECT * FROM Invoice
                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 Invoice($data);
            }
        }

        return $items;
    }

    private static function getSqlFilter($filter) {
        $where = "1=1 ";
        //var_dump($filter);exit;
        $db = FronkDB::singleton();

        //var_dump($filter);exit;

        if(array_key_exists("id", $filter)) {
            $id = $filter['id'];
            if(is_numeric($id)) {
                $where .= " AND Invoice.id like '%$id%'";
            }
        }

        if(array_key_exists("invoice_number", $filter)) {
            $invoice_number = $filter['invoice_number'];
            if($invoice_number === true) {
                $where .= " AND Invoice.invoice_number IS NOT NULL AND Invoice.invoice_number <> ''";
            } elseif($invoice_number) {
                $invoice_number = $db->escape($invoice_number);
                $where .= " AND Invoice.invoice_number='$invoice_number'";
            } elseif($invoice_number === null || $invoice_number === false) {
                $where .= " AND Invoice.invoice_number IS NULL";
            }
        }
        
        if(array_key_exists("invoice_date", $filter)) {
            $invoice_date = $filter['invoice_date'];
            if($invoice_date) {
                $where .= " AND Invoice.invoice_date='$invoice_date'";
            } elseif($invoice_date === null || $invoice_date === false) {
                $where .= " AND Invoice.invoice_date IS NULL";
            }
        }

        if(array_key_exists("invoice_date>", $filter)) {
            $invoice_date = $db->escape($filter['invoice_date>']);
            if($invoice_date) {
                $where .= " AND Invoice.invoice_date > '$invoice_date'";
            }
        }
        if(array_key_exists("invoice_date>=", $filter)) {
            $invoice_date = $db->escape($filter['invoice_date>=']);
            if($invoice_date) {
                $where .= " AND Invoice.invoice_date >= '$invoice_date'";
            }
        }
        if(array_key_exists("invoice_date<", $filter)) {
            $invoice_date = $db->escape($filter['invoice_date<']);
            if($invoice_date) {
                $where .= " AND Invoice.invoice_date < '$invoice_date'";
            }
        }
        if(array_key_exists("invoice_date<=", $filter)) {
            $invoice_date = $db->escape($filter['invoice_date<=']);
            if($invoice_date) {
                $where .= " AND Invoice.invoice_date <= '$invoice_date'";
            }
        }

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

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

        if(array_key_exists("billingaddress_id", $filter)) {
            $Invoiceaddress_id = $filter['billingaddress_id'];
            if(is_numeric($Invoiceaddress_id)) {
                $where .= " AND Invoice.billingaddress_id=$Invoiceaddress_id";
            }
        }

        if(array_key_exists("customer_number", $filter)) {
            $customer_number = $filter['customer_number'];
            if(is_numeric($customer_number)) {
                $where .= " AND Invoice.customer_number LIKE $customer_number";
            }
        }

        if(array_key_exists("billing_type", $filter)) {
            $billing_type = $db->escape($filter['billing_type']);
            if($billing_type) {
                $where .= " AND Invoice.billing_type LIKE '$billing_type'";
            }
        }

        if(array_key_exists("billing_delivery", $filter)) {
            $billing_delivery = $db->escape($filter['billing_delivery']);
            if($billing_delivery) {
                $where .= " AND Invoice.billing_delivery LIKE '$billing_delivery'";
            }
        }


        if (array_key_exists("company", $filter)) {
            $company = FronkDB::singleton()->escape($filter["company"]);
            if ($company) {
                $where .= " AND company like '%$company%'";
            }
        }

        if (array_key_exists("firstname", $filter)) {
            $firstname = FronkDB::singleton()->escape($filter["firstname"]);
            if ($firstname) {
                $where .= " AND firstname like '%$firstname%'";
            }
        }

        if (array_key_exists("lastname", $filter)) {
            $lastname = FronkDB::singleton()->escape($filter["lastname"]);
            if ($lastname) {
                $where .= " AND lastname like '%$lastname%'";
            }
        }

        if (array_key_exists("mergedName", $filter)) {
            $name = FronkDB::singleton()->escape($filter["mergedName"]);
            if ($name) {
                $where .= " AND (CONCAT(firstname, ' ', lastname) like '%$name%' OR CONCAT(lastname, ' ', firstname) like '%$name%' )";
            }
        }

        if (array_key_exists("street", $filter)) {
            $street = FronkDB::singleton()->escape($filter["street"]);
            if ($street) {
                $where .= " AND street like '%$street%'";
            }
        }

        if (array_key_exists("zip", $filter)) {
            $zip = FronkDB::singleton()->escape($filter["zip"]);
            if ($zip) {
                $where .= " AND zip like '%$zip%'";
            }
        }

        if (array_key_exists("city", $filter)) {
            $city = FronkDB::singleton()->escape($filter["city"]);
            if ($city) {
                $where .= " AND city like '%$city%'";
            }
        }

        if (array_key_exists("country", $filter)) {
            $country = FronkDB::singleton()->escape($filter["country"]);
            if ($country) {
                $where .= " AND country like '%$country%'";
            }
        }

        if (array_key_exists("email", $filter)) {
            $email = FronkDB::singleton()->escape($filter["email"]);
            if ($email) {
                $where .= " AND email like '%$email%'";
            }
        }


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


        if(array_key_exists("Invoice_period", $filter)) {
            $Invoice_period = $filter['Invoice_period'];
            if(is_numeric($Invoice_period)) {
                $where .= " AND Invoice.Invoice_period = $Invoice_period";
            }
        }
        //var_dump($filter, $where);exit;
        return $where;
    }

}