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

require_once("Secure_Controller.php");

class Item_kits extends Secure_Controller
{
    public function __construct()
    {
        parent::__construct('item_kits');
    }
    
    /*
    Add the total cost and retail price to a passed items kit retrieving the data from each singular item part of the kit
    */
    private function _add_totals_to_item_kit($item_kit)
    {
        $item_kit->total_cost_price = 0;
        $item_kit->total_unit_price = 0;
        
        foreach($this->Item_kit_items->get_info($item_kit->item_kit_id) as $item_kit_item)
        {
            $item_info = $this->Item->get_info($item_kit_item['item_id']);
            foreach(get_object_vars($item_info) as $property => $value)
            {
                $item_info->$property = $this->xss_clean($value);
            }
            
            $item_kit->total_cost_price += $item_info->cost_price * $item_kit_item['quantity'];
            $item_kit->total_unit_price += $item_info->unit_price * $item_kit_item['quantity'];
        }

        return $item_kit;
    }
    
    public function index()
    {
        $data['table_headers'] = $this->xss_clean(get_item_kits_manage_table_headers());

        $this->load->view('item_kits/manage', $data);
    }

    /*
    Returns Item kits table data rows. This will be called with AJAX.
    */
    public function search()
    {
        $search = $this->input->get('search');
        $limit  = $this->input->get('limit');
        $offset = $this->input->get('offset');
        $sort   = $this->input->get('sort');
        $order  = $this->input->get('order');

        $item_kits = $this->Item_kit->search($search, $limit, $offset, $sort, $order);
        $total_rows = $this->Item_kit->get_found_rows($search);

        $data_rows = array();
        foreach($item_kits->result() as $item_kit)
        {
            // calculate the total cost and retail price of the Kit so it can be printed out in the manage table
            $item_kit = $this->_add_totals_to_item_kit($item_kit);
            $data_rows[] = get_item_kit_data_row($item_kit, $this);
        }

        $data_rows = $this->xss_clean($data_rows);

        echo json_encode(array('total' => $total_rows, 'rows' => $data_rows));
    }

    public function suggest_search()
    {
        $suggestions = $this->xss_clean($this->Item_kit->get_search_suggestions($this->input->post('term')));

        echo json_encode($suggestions);
    }

    public function get_row($row_id)
    {
        // calculate the total cost and retail price of the Kit so it can be added to the table refresh
        $item_kit = $this->_add_totals_to_item_kit($this->Item_kit->get_info($row_id));
        
        echo json_encode(get_item_kit_data_row($item_kit, $this));
    }
    
    public function view($item_kit_id = -1)
    {
        $info = $this->Item_kit->get_info($item_kit_id);

        if($item_kit_id == -1)
        {
            $info->price_option = '0';
            $info->print_option = '0';
            $info->kit_item_id = 0;
        }
        foreach(get_object_vars($info) as $property => $value)
        {
            $info->$property = $this->xss_clean($value);
        }

        $data['item_kit_info']  = $info;

        $items = array();
        foreach($this->Item_kit_items->get_info($item_kit_id) as $item_kit_item)
        {
            $item['kit_sequence'] = $this->xss_clean($item_kit_item['kit_sequence']);
            $item['name'] = $this->xss_clean($this->Item->get_info($item_kit_item['item_id'])->name);
            $item['item_id'] = $this->xss_clean($item_kit_item['item_id']);
            $item['quantity'] = $this->xss_clean($item_kit_item['quantity']);

            $items[] = $item;
        }

        $data['item_kit_items'] = $items;

        $data['selected_kit_item_id'] = $info->kit_item_id;
        $data['selected_kit_item'] = ($item_kit_id > 0 && isset($info->kit_item_id)) ? $info->item_name : '';

        $this->load->view("item_kits/form", $data);
    }
    
    public function save($item_kit_id = -1)
    {
        $item_kit_data = array(
            'name' => $this->input->post('name'),
            'item_id' => $this->input->post('kit_item_id'),
            'kit_discount_percent' => $this->input->post('kit_discount_percent'),
            'price_option' => $this->input->post('price_option'),
            'print_option' => $this->input->post('print_option'),
            'description' => $this->input->post('description')
        );
        
        if($this->Item_kit->save($item_kit_data, $item_kit_id))
        {
            $success = TRUE;
            $new_item = FALSE;
            //New item kit
            if ($item_kit_id == -1)
            {
                $item_kit_id = $item_kit_data['item_kit_id'];
                $new_item = TRUE;
            }

            if($this->input->post('item_kit_qty') != NULL)
            {
                $item_kit_items = array();
                foreach($this->input->post('item_kit_qty') as $item_id => $quantity)
                {
                    $seq = $this->input->post('item_kit_seq[' . $item_id . ']');
                    $item_kit_items[] = array(
                        'item_id' => $item_id,
                        'quantity' => $quantity,
                        'kit_sequence' => $seq
                    );
                }

            }

            $success = $this->Item_kit_items->save($item_kit_items, $item_kit_id);

            $item_kit_data = $this->xss_clean($item_kit_data);

            if($new_item)
            {
                echo json_encode(array('success' => $success,
                    'message' => $this->lang->line('item_kits_successful_adding').' '.$item_kit_data['name'], 'id' => $item_kit_id));

            }
            else
            {
                echo json_encode(array('success' => $success,
                    'message' => $this->lang->line('item_kits_successful_updating').' '.$item_kit_data['name'], 'id' => $item_kit_id));
            }
        }
        else//failure
        {
            $item_kit_data = $this->xss_clean($item_kit_data);

            echo json_encode(array('success' => FALSE, 
                                'message' => $this->lang->line('item_kits_error_adding_updating').' '.$item_kit_data['name'], 'id' => -1));
        }
    }
    
    public function delete()
    {
        $item_kits_to_delete = $this->xss_clean($this->input->post('ids'));

        if($this->Item_kit->delete_list($item_kits_to_delete))
        {
            echo json_encode(array('success' => TRUE,
                                'message' => $this->lang->line('item_kits_successful_deleted').' '.count($item_kits_to_delete).' '.$this->lang->line('item_kits_one_or_multiple')));
        }
        else
        {
            echo json_encode(array('success' => FALSE,
                                'message' => $this->lang->line('item_kits_cannot_be_deleted')));
        }
    }
    
    public function generate_barcodes($item_kit_ids)
    {
        $this->load->library('barcode_lib');
        $result = array();

        $item_kit_ids = explode(':', $item_kit_ids);
        foreach($item_kit_ids as $item_kid_id)
        {       
            // calculate the total cost and retail price of the Kit so it can be added to the barcode text at the bottom
            $item_kit = $this->_add_totals_to_item_kit($this->Item_kit->get_info($item_kid_id));
            
            $item_kid_id = 'KIT '. urldecode($item_kid_id);

            $result[] = array('name' => $item_kit->name, 'item_id' => $item_kid_id, 'item_number' => $item_kid_id,
                            'cost_price' => $item_kit->total_cost_price, 'unit_price' => $item_kit->total_unit_price);
        }

        $data['items'] = $result;
        $barcode_config = $this->barcode_lib->get_barcode_config();
        // in case the selected barcode type is not Code39 or Code128 we set by default Code128
        // the rationale for this is that EAN codes cannot have strings as seed, so 'KIT ' is not allowed
        if($barcode_config['barcode_type'] != 'Code39' && $barcode_config['barcode_type'] != 'Code128')
        {
            $barcode_config['barcode_type'] = 'Code128';
        }
        $data['barcode_config'] = $barcode_config;

        // display barcodes
        $this->load->view("barcodes/barcode_sheet", $data);
    }
}
?>