<?php

namespace Controller;

class Checkout {

    public $saksnummer;
    public $sak;
    public $DB = null;
    private $hydrated = false;
    
    function __construct($folder = null) {
        $f3 = \Base::instance();
        $saksnummer = $f3->get('SESSION.saksnummer');
        if ($saksnummer) {
            $this->saksnummer = $saksnummer;
        } else {
            $this->saksnummer = md5(sprintf("%s%f",$_SERVER['REMOTE_ADDR'],$_SERVER['REQUEST_TIME_FLOAT']));
            $f3->set('SESSION.saksnummer', $this->saksnummer);
        }
        
        if (is_object($folder)) {
            $folder = $f3->get('POST.datapath');
        }
        if (!is_string($folder)) {
            $folder = $f3->get('SESSION.checkout_folder');
        }
        if (is_string($folder)) {
            $f3->set('SESSION.checkout_folder', $folder);
            $this->DB = new \DB\SQL(sprintf("sqlite:%sdatabase.sqlite",$folder));
        }
        
        
    }
    
    function hydrate_framework_variables() {
        if($this->hydrated) {
            return false;
        }
        $f3 = \Base::instance();
        $sak = new \DB\SQL\Mapper($this->DB,'saklist');
        $a = new \DB\SQL\Mapper($this->DB,'addresses');
        $contact = new \DB\SQL\Mapper($this->DB,'contacts');
        
        $sak->load(['id=?', $this->saksnummer]);
        
        $f3->mset([
            'full_cart' => $this->html_cart(),
            'contact' => $contact->load(['id=?',$sak->kContact]),
            'shipping' => $a->load(['id=?',$sak->kShipping]),
            'billing' => $sak->kBilling ? $a->load(['id=?',$sak->kBilling]) : $a
        ]);
        $this->hydrated = true;

    }
    
    function overview() {
        $f3 = \Base::instance();
        $tpl = \Template::instance();
        
        $this->hydrate_framework_variables();

        
        return $tpl->render('checkout_overview.htm',true);
    }
    
    
    
    function index() {
        $f3 = \Base::instance();
        
        $sak = new \DB\SQL\Mapper($this->DB,'saklist');

        
        if ($sak->load(['id=?',$this->saksnummer]) === false) {
            $sak->id = $this->saksnummer;
            $sak->save();
        }

        if ($sak->kContact === null) {
            $f3->reroute('/checkout/contact');
        }
        if ($sak->kShipping === null) {
            $f3->reroute('/checkout/shipping_address');
        }
        
        return $this->overview();
    }
    
    function save_address() {
        $f3 = \Base::instance();
        $a = new \DB\SQL\Mapper($this->DB,'addresses');
        $a->name = $f3->get('POST.name');
        $a->address1 = $f3->get('POST.address1');
        $a->address2 = $f3->get('POST.address2');
        $a->zip = $f3->get('POST.zip');
        $a->place = $f3->get('POST.town');
        $a->country = $f3->get('POST.country');
        $a->save();
        return $a->id;
    }
    
    function save_contact() {
        $f3 = \Base::instance();
        $a = new \DB\SQL\Mapper($this->DB,'contacts');
        //$a->name = $f3->get('POST.name');
        $a->email = $f3->get('POST.email');
        $a->save();
        return $a->id;
    }
    
    function place_order() {
        // fails silently, producing potentially weird untrackable faults if more than 10000 orders happen on one day
        $info = new \DB\SQL\Mapper($this->DB,'info');
        for ($i=0;$i<9999;$i++) {
            $candidate = strval(sprintf('%s%04d',date('Ymd'),$i));
            if (!$info->load(['ordernumber=?',$candidate])) {
                $info->ordernumber = $candidate;
                $info->save();
                break;
            } 
        }
        return $info->id;
    }
    
    function email_to_merchant() {
             $f3 = \Base::instance();
                     $tpl = \Template::instance();

        
        $c = $f3->get('checkout_data.emailconfig');
        $subject = $f3->get('checkout_data.subject');
        $smtp = new \SMTP(
            $c['host'],
            $c['port'],
            $c['scheme'],
            $c['user'],
            $c['pass'],
        );
        
        $headers = [
            "MIME-Version"=>"1.0",
            "Content-type"=>"text/html",
            "From" => $c['from']
        ];
        
        $smtp->set('To', $c['admin']);
        $smtp->set('Subject',$subject);
        foreach ($headers as $k=>$v) {
            $smtp->set($k,$v);
        }
        
        $f3->set('order_summary', $this->overview());
        $f3->set('order_summary', $tpl->render('checkout_overview_kunde.htm',true));
        $f3->set('UI', $f3->get('UI').";".$f3->get('form_path'));
        $email = $tpl->render($f3->get('checkout_data.template'),true);
        
         if ($smtp->send($email)) {
            return true;
            
         } else {
            return false;
             
        }
    }
    
    function email_to_client($recipient) {
        $f3 = \Base::instance();
        $tpl = \Template::instance();
        
        $c = $f3->get('checkout_data.emailconfig');
        $subject = $f3->get('checkout_data.subject');
        $smtp = new \SMTP(
            $c['host'],
            $c['port'],
            $c['scheme'],
            $c['user'],
            $c['pass'],
        );
        
        $headers = [
            "MIME-Version"=>"1.0",
            "Content-type"=>"text/html",
            "From" => $c['from']
        ];
        
        $smtp->set('To', $recipient);
        $smtp->set('Subject',$subject);
        foreach ($headers as $k=>$v) {
            $smtp->set($k,$v);
        }
        $f3->set('order_summary', $this->overview());
        $f3->set('order_summary', $tpl->render('checkout_overview_kunde.htm',true));

        $f3->set('UI', $f3->get('UI').";".$f3->get('form_path'));
        $email = $tpl->render($f3->get('checkout_data.template'), true);

        if ($smtp->send($email)) {
            return true;
         } else {
            return false;
        }
    }
    
    /**
     * buyer has approved all details and decided which payment method to use
     */
    function buy() {
        // set up environment
        $f3 = \Base::instance();
        $sak = new \DB\SQL\Mapper($this->DB,'saklist');
        $info = new \DB\SQL\Mapper($this->DB,'info');
        $contact = new \DB\SQL\Mapper($this->DB,'contacts');
        $sak->load(['id=?',$this->saksnummer]);
        //$datapath = $f3->get('POST.datapath');
        
        // generate an order number 
        $sak->kInfo = $this->place_order();
        $sak->status = 1; // 1 := ordernumber is generated
        $sak->save();
        
        // load data needed o finish transaction
        $info->load(['id=?',$sak->kInfo]);
        $contact->load(['id=?', $sak->kContact]);
        
        
        // finish transaction
        switch ($f3->get('POST.payment')) {
        case 'transfer':
            $email = new Email();
            $email->load_form_config($f3->get('POST.xss-token'));
            
            //var_dump($f3->get('private'));
            if ($this->email_to_merchant() &&
                $this->email_to_client($contact->email)) {
                $f3->set('SESSION',[]);
                 $f3->reroute('/checkout/success');
                } else {
                 $f3->reroute('/checkout/failure');
                }
            break;
        case 'paypal':
            $f3->set('SESSION.xss-token',$f3->get('POST.xss-token'));
            $f3->reroute('/checkout/paypal');
            break;
        case 'approve':
            $email = new Email();
            $email->load_form_config($f3->get('SESSION.xss-token'));

            if ($this->email_to_merchant() &&
                $this->email_to_client($contact->email)) {
                    $f3->set('SESSION',[]);
                    header('Content-Type: application/json; charset=utf-8');
                    echo json_encode(['redirect' => '/checkout/success']);
                    die;
                } else {
                    header('Content-Type: application/json; charset=utf-8');
                    echo json_encode(['redirect' => '/checkout/failure']);
                    die;
                }
            break;
        default:
            $f3->set('POST.tesst',"asdasd");
            header('Content-Type: application/json; charset=utf-8');
            echo json_encode($_POST);
            die;
            break;
        }
        
    }
    
    function api(\Base $f3, $params) {
        $sak = new \DB\SQL\Mapper($this->DB,'saklist');
        if ($sak->load(['id=?',$this->saksnummer]) !== false) {
            switch ($params['method']) {
                case "contact":
                    $sak->kContact = $this->save_contact();
                    $sak->save();
                    $f3->reroute('/checkout');
                    break;
                case "shipping_address":
                    $sak->kShipping = $this->save_address();
                    $sak->save();
                    $f3->reroute('/checkout');
                    break;
                case "billing_address":
                    $sak->kBilling = $this->save_address();
                    $sak->save();
                    $f3->reroute('/checkout');
                    break;
                case "buy":
                    $sak->status = $this->buy();
//                     $sak->save();
//                     $f3->reroute('/checkout/success');
                    break;
                case "paypalapprove":
                    //$f3->set('POST.payment', 'approve');
                    $sak->status = $this->buy();
                    break;
                default:
                    header('Content-Type: application/json; charset=utf-8');
                    echo json_encode(['test' => 2]);
                    die;
                    break;
            }
        } else {
            header('Content-Type: application/json; charset=utf-8');
            echo json_encode(['error' => "no saksnummer"]);
            die;
        }
    }
    
    function html_cart() {
        $t = \Template::instance();
        return $t->render("checkout.htm");
    }

}