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

class Products extends CI_Controller {
    public function __construct(){
        parent::__construct();

        if($this->session->userdata('group') != '1'){
            $this->session->set_flashdata('error','Sorry, you are not logged in!');
            redirect('login');
        }

        //load model -> model_products
        $this->load->model('model_products');
    }

    public function index()
    {
        $data['products'] = $this->model_products->all();
        $this->load->view('backend/view_all_products', $data);
    }

    public function create(){
        //form validation sebelum mengeksekusi QUERY INSERT
        $this->form_validation->set_rules('name', 'Product Name', 'required');
        $this->form_validation->set_rules('description', 'Product Description', 'required');
        $this->form_validation->set_rules('price', 'Product Price', 'required|integer');
        $this->form_validation->set_rules('stock', 'Available Stock', 'required|integer');
        //$this->form_validation->set_rules('userfile', 'Product Image', 'required');

        if ($this->form_validation->run() == FALSE)
        {
            $this->load->view('backend/form_tambah_product');
        } else {
            //load uploading file library
            $config['upload_path'] = './uploads/';
            $config['allowed_types'] = 'jpg|png';
            $config['max_size'] = '300'; //KB
            $config['max_width']  = '2000'; //pixels
            $config['max_height']  = '2000'; //pixels

            $this->load->library('upload', $config);

            if ( ! $this->upload->do_upload())
            {
                //file gagal diupload -> kembali ke form tambah
                $this->load->view('backend/form_tambah_product');
            } else {
                //file berhasil diupload -> lanjutkan ke query INSERT
                // eksekusi query INSERT
                $gambar = $this->upload->data();
                $data_product = array(
                    'name'          => set_value('name'),
                    'description'   => set_value('description'),
                    'price'         => set_value('price'),
                    'stock'         => set_value('stock'),
                    'image'         => $gambar['file_name']
                );
                $this->model_products->create($data_product);
                redirect('admin/products');
            }

        }
    }

    public function update($id){
        $this->form_validation->set_rules('name', 'Product Name', 'required');
        $this->form_validation->set_rules('description', 'Product Description', 'required');
        $this->form_validation->set_rules('price', 'Product Price', 'required|integer');
        $this->form_validation->set_rules('stock', 'Available Stock', 'required|integer');

        if ($this->form_validation->run() == FALSE)
        {
            $data['product'] = $this->model_products->find($id);
            $this->load->view('backend/form_edit_product', $data);
        } else {
            if($_FILES['userfile']['name'] != ''){
                //form submit dengan gambar diisi
                //load uploading file library
                $config['upload_path'] = './uploads/';
                $config['allowed_types'] = 'jpg|png';
                $config['max_size'] = '300'; //KB
                $config['max_width']  = '2000'; //pixels
                $config['max_height']  = '2000'; //pixels

                $this->load->library('upload', $config);


                if ( ! $this->upload->do_upload())
                {
                    $data['product'] = $this->model_products->find($id);
                    $this->load->view('backend/form_edit_product', $data);
                } else {
                    $gambar = $this->upload->data();
                    $data_product = array(
                        'name'          => set_value('name'),
                        'description'   => set_value('description'),
                        'price'         => set_value('price'),
                        'stock'         => set_value('stock'),
                        'image'         => $gambar['file_name']
                    );
                    $this->model_products->update($id, $data_product);
                    redirect('admin/products');
                }
            } else {
                //form submit dengan gambar dikosongkan
                $data_product = array(
                    'name'          => set_value('name'),
                    'description'   => set_value('description'),
                    'price'         => set_value('price'),
                    'stock'         => set_value('stock')
                );
                $this->model_products->update($id, $data_product);
                redirect('admin/products');
            }
        }
    }

    public function delete($id){
        $this->model_products->delete($id);
        redirect('admin/products');
    }
}