Sindbad~EG File Manager

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Promo_lib {

    public function __construct()
    {
        $this->ci = &get_instance();
        $this->ci->load->model('promo');
    }

    public function checkPromo($item_id) {
        
        $e = $this->checkTebusMurah();
        if ($e) return 0;

        $e = $this->watchProduct($item_id);
        $e = $this->watchTebusMurah($item_id);

        if ($e) return 0;

        $promos = $this->ci->promo->getPromo($item_id);

        if (!isset($promos[0])) return 0;

        foreach($promos as $promo) {
            switch ($promo->promo_type) { 
                case 'Purchase With Purchase' :
                    // add watch 
                    $this->addOrUpdateWatchProduct($item_id, $promo);
                break;
                case 'Gift With Purchase':
                    // print('Gift');
                    $this->addCart($item_id, $promo);
                break;
                case 'Diskon':
                    if ($promo->promo_get_persentase_discount) {
                        $value = $promo->promo_get_persentase_discount;
                        $type = 0;
                    } else {
                        $value = $promo->promo_get_price_discount;
                        $type = 1;
                    }

                    $this->updateCart($item_id, [
                        'discount' => $value,
                        'discount_type' => $type,
                    ]);

                break;
            }
        }

        
        // if ($e) return 0;

    }

    public function checkTebusMurah()
    {
        $promos = $this->ci->promo->checkTebusMurah();
        $tebus_murah = $this->ci->session->userdata('tebus_murah');
        $tebus_murah_sess = [];
        if(!is_array($tebus_murah)) $tebus_murah = [];
        else $tebus_murah_sess = $tebus_murah;

        // print('<pre>');print_r($promos);print('</pre>');
        // die;
        foreach($promos as $promo) {
            $tebus_murah_items = json_decode($promo->promo_tebus_murah_items);
            foreach($tebus_murah_items as $item_id) {
                $key = array_search($item_id, array_column($tebus_murah, 'tebus_murah_item_id'));
                if ($key === false ) {
                    $tebus_murah_sess[] = [
                        'tebus_murah_item_id' => $item_id,
                        'tebus_murah_min_buy' => $promo->condition_min_purchase,
                        'tebus_murah_price' => $promo->promo_tebus_murah_price,
                    ];
                }
            }
        }

        $this->ci->session->set_userdata(['tebus_murah' => $tebus_murah_sess]);
        return 0;
    }

    public function watchTebusMurah($item_id)
    {
        // get subtotal
        $cart = $this->ci->session->userdata('sales_cart');
        $subtotal = 0;
        if (is_array($cart)) {
            foreach($cart as $item) {
                $subtotal += $item['discounted_total'];
            }
        }

        // print('Sub Total: ' . $subtotal);

        $tebus_murah = $this->ci->session->userdata('tebus_murah');
        if (is_array($tebus_murah)) {
            $key = array_search($item_id, array_column($tebus_murah, 'tebus_murah_item_id'));

            if($key !== false) {

                $min = $tebus_murah[$key]['tebus_murah_min_buy'];
                $price = $tebus_murah[$key]['tebus_murah_price'];

                if($subtotal >= $min) {
                    $this->updateCart($item_id, [
                        'discount' => 0,
                        'discount_type' => 0,
                        'price' => $price,
                    ]);
                }
            }
        }

        return 0;
    }

    public function addCart($item_id, $promo)
    {
        $cart = $this->ci->session->userdata('sales_cart');
        if (is_array($cart)) {
            $key = array_search($promo->promo_get_gift_product_id, array_column($cart, 'item_id'));

            if ($key === false) {
                
                // get info item
                $this->ci->load->model('item');
                $info = $this->ci->item->get_info($promo->promo_get_gift_product_id);

                // print('<pre>');print_r($info);print('</pre>');

                // get last key
                $lastkey = array_key_last($cart);
                $key = $lastkey + 1;
                // $keys = array_keys($cart);
                // $key = $keys[$key];
                // print('key ' . $key . '=> ' . $item_id );
                $cart[$key]['price'] = 0;
                $cart[$key]['quantity'] = 1;

                $cart[$key]['total'] = 0 ;
                $cart[$key]['discounted_total'] = 0;

                $cart[$key] = [
                    'item_id' => $info->item_id,
                    'item_location' => 2,
                    'stock_name' => '',
                    'line' => $key,
                    'name' => $info->name,
                    'item_number' => $info->item_number,
                    'attribute_values' => '',
                    'attribute_dtvalues' => '',
                    'description' => $info->description,
                    'serialnumber' => '',
                    'allow_alt_description' => 0,
                    'is_serialized' => 0,
                    'quantity' => 1,
                    'discount' => 0,
                    'discount_type' => 0,
                    'in_stock' => 1,
                    'price' => 0,
                    'cost_price' => 0,
                    'total' => 0,
                    'discounted_total' => 0,
                    'print_option' => 0,
                    'stock_type' => $info->stock_type,
                    'item_type' => 0,
                    'hsn_code' => $info->hsn_code,
                    'tax_category_id' => 0,
                ];

                // update new cart
                $this->ci->session->set_userdata(['sales_cart' => $cart]);


            } else {
                $keys = array_keys($cart);
                $key = $keys[$key];

                $cart[$key]['quantity'] += 1;

                // update new cart
                $this->ci->session->set_userdata(['sales_cart' => $cart]);
            }
        } else {
            print('No Cart');
        }
    }

    public function removePromo($line)
    {
        $cart = $this->ci->session->userdata('sales_cart');
        if ($cart !== null) {
            $item_id = $cart[$line]['item_id'];
        }

        // TODO
        // find promo in watch product, if exists remove promo discount from register 
        // and remove it on watch product

        $discounted_item_id = -1;
        $watch = $this->ci->session->userdata('watch_product');
        if (isset($watch[0]))  {
            $key = array_search($item_id, array_column($watch, 'item_id'));
            $discounted_item_id = $watch[$key]['discounted_item_id'];
            if ($key !== false) {
                unset($watch[$key]);
                $this->ci->session->set_userdata(['watch_product' => $watch]);
            }
        }

        $this->updateCart($discounted_item_id, [
            'discount' => 0,
            'discount_type' => 0
        ]);        
    }

    public function debug($s=1)
    {
        if ($s) {
            print('<pre>');
            print_r($this->ci->session->userdata());
            print('</pre>');
        }
    }

    protected function watchProduct($item_id) {
        $watch = $this->ci->session->userdata('watch_product');
        if (isset($watch[0]))  {
            $key = array_search($item_id, array_column($watch, 'discounted_item_id'));
            if ($key !== false) {
                $value = $watch[$key]['value'];
                $discount_type = $watch[$key]['discount_type'];

                $this->updateCart($item_id, [
                    'discount' => $value,
                    'discount_type' => $discount_type,
                ]);

                return 1;
            }
        }
        return 0;
    }

    protected function addOrUpdateWatchProduct($item_id, $promo)
    {
        $watch = $this->ci->session->userdata('watch_product');

        if(!is_array($watch)) $watch = [];

        $key = $key = array_search($item_id, array_column($watch, 'item_id'));

        if($key === false) {

            $watch_this_item = [];
            if (isset($watch[0])) $watch_this_item = $watch;

            if ($promo->promo_get_price_discount) {
                $value = $promo->promo_get_price_discount;
                $discount_type = 1;
            } else {
                $value = $promo->promo_get_persentase_discount;
                $discount_type = 0;
            }

            $watch_this = [
                'discounted_item_id' => $promo->promo_product_get_discount,
                'item_id' => $item_id,
                'discount_type' => $discount_type,
                'value' => $value,
                'tebus_murah' => $promo->promo_tebus_murah_price,
            ];

            $watch_this_item[] = $watch_this;

            $this->ci->session->set_userdata(['watch_product' => $watch_this_item]);

            // check discounted product is exists
            $this->updateCart($promo->promo_product_get_discount, [
                'discount' => $value,
                'discount_type' => $discount_type,
            ]);
        }


        // } else {
        //     $key = array_search($item_id, array_column($watch, 'item_id'));
        //     if ($key !== false) {
        //         // update watch product
        //     }
        // }
    }

    protected function addWatchProduct($item_id, $promo)
    {
        $watch = $this->ci->session->userdata('watch_product');
        if (is_array($watch)) {
        }
    }

    protected function updateWatchProduct($item_id)
    {
        $watch = $this->ci->session->userdata('watch_product');
        $key = array_search($item_id, array_column($watch, 'promo_item_id'));
    }

    protected function updateCart($item_id, $data = []) 
    {
        $cart = $this->ci->session->userdata('sales_cart');
        if (is_array($cart)) {
            $key = array_search($item_id, array_column($cart, 'item_id'));
            
            if ($key !== false) {
                $keys = array_keys($cart);
                $key = $keys[$key];
                // print('key ' . $key . '=> ' . $item_id );
                foreach($data as $k => $v) {
                    $cart[$key][$k] = $v; 
                }

                $price = $cart[$key]['price'];
                $quantity = $cart[$key]['quantity'];

                $item_price = $price * $quantity;

                $total_persentase = $item_price * $data['discount']/100;
                $total_price = $data['discount'];

                $discount = ($data['discount_type']) ? $total_price : $total_persentase ;
                $cart[$key]['total'] = $item_price ;
                $cart[$key]['discounted_total'] = $item_price - $discount;



                // update new cart
                $this->ci->session->set_userdata(['sales_cart' => $cart]);
            }
        }
    }

    public function totalSales()
    {
        // check total harga keseluruhan
        $cart = $this->ci->session->userdata('sales_cart');
        $total = 0;
        foreach($cart as $item) {
            $total += $item['price'];
        }
        
        return $total;
    }

    public function _checkTebusMurah()
    {
        // check total harga keseluruhan
        $cart = $this->ci->session->userdata('sales_cart');
        $total = 0;
        foreach($cart as $item) {
            $total += $item['price'];
        }
         
        // print($total);
        // reset tebus murah
        $tebusmurahsess = $this->ci->session->userdata('tebus_murah');
        $tebus_murah = $this->ci->promo->checkTebusMurah($total);
        //print_r($tebus_murah);

        // $tebusmurahsess = is_array($tebusmurahsess) ? $tebusmurahsess : [];
        $data['tebus_murah'] = [];
        if (count($tebus_murah) > 0) {
            foreach($tebus_murah as $tbs_murah) {
                $data['tebus_murah'][] = [
                    'product_id' => $tbs_murah->promo_product_get_discount,
                    'price' => $tbs_murah->promo_tebus_murah_price
                ];
            }

            $this->ci->session->set_userdata($data);
            $this->ci->session->set_userdata(['tebus_murah_on' => 1]);
        } else {
            $this->ci->session->set_userdata(['tebus_murah' => []]);
            $this->ci->session->set_userdata(['tebus_murah_on' => 0]);
        }
    }

    public function checkItem($item_id) {
        if( $this->ci->session->userdata('tebus_murah_on') !== null) {
            if ($this->ci->session->userdata('tebus_murah_on')) {
                $tebus_murah = $this->ci->session->userdata('tebus_murah') !== null ? $this->ci->session->userdata('tebus_murah') : [];

                $pkey = array_search($item_id, array_column($tebus_murah, 'product_id'));

                if ($key) {
                    $cart = $this->ci->session->userdata('sales_cart');
                    $key = array_search($item_id, array_column($cart, 'item_id'));
                    // print('key ' . $key . '=> ' . $item_id );
                    $keys = array_keys($cart);
                    $key = $keys[$key];
                    $price = $cart[$key]['price'];
                    $quantity = $cart[$key]['quantity'];

                    $tebus_murah_price = $tebus_murah[$pkey]['price'];

                    $price_sub = $price - $tebus_murah_price;

                    $promo_diskon = $this->ci->session->userdata('promo_diskon');
                    $dpromo = [];
                    if ( is_array($promo_diskon) ) {
                        $dpromo = $promo_diskon;
                    }

                    $dkey = array_search($item_id, array_column($promo_diskon, 'item_id'));

                    if ( $dkey === false ) {
                        $dpromo [] = [
                            'total_price_before' => $price,
                            'item_id' => $item_id,
                            'price' => $price_sub
                        ];
                    }

                }

            }
        } 
    }

    public function checkDiscountMember() 
    {
        $customer_id = $this->ci->session->userdata('sales_customer');
        
        if ($customer_id !== null) {
            $discount = $this->ci->promo->checkMemberDiscount($customer_id);
            if ($this->ci->promo->num_rows > 0) {
                $pdiscount = $this->ci->session->userdata('promo_diskon');

                $promo_discount = 0;
                if (is_array($pdiscount)) {
                    foreach($pdiscount as $disc) {
                        $promo_discount+= $disc['price'];
                    }
                }

                $total_sales = $this->totalSales() - $promo_discount;

                if ($discount->promo_get_persentase_discount) {
                    $sub = $total_sales * $discount->promo_get_persentase_discount/100;
                } else {
                    $sub = $total_sales - $discount->promo_get_price_discount;
                }

                //  return $sub;
                $member_diskon_data[] = [
                    'total_price_before' => 0,
                    'item_id' => -1,
                    'price' => $sub,
                ];

                $promo['member_diskon'] = $member_diskon_data;

                $this->ci->session->set_userdata($promo);
            }
        }

        return 0;
        
    }

    public function updatePromo($line)
    {
        $cart = $this->ci->session->userdata('sales_cart');

        if (is_array($cart)) {
            $item_id = $cart[$line]['item_id'];
            $this->checkPromo($item_id);
        }
    }
}