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

class Brands extends Admin_Controller
{

    //this property is used for validating existing brand title on call back edit brand
    private $brand_current_id = NULL;

    //this property is to mark whether we are uploading image in the index page
    private $imageupload_indexpage = FALSE;

    function __construct()
    {
        parent::__construct();
        $this->load->model('brand_m');
        $this->load->model('product_m');
    }

    //this is to list all brands
    public function index()
    {
        $this->db->select('*');
        $this->db->from('configuration');
        $data['config'] = $this->db->get()->result();

        foreach ($data['config'] as $item) {
            $this->data_header['image'] = $item->logo;
            $this->data_header['icon'] = $item->website_icon;
        }
        $this->load->helper('form');

        if (isset($_POST['submit'])) {

            $this->imageupload_indexpage = TRUE;

            //if there is a form submit banner image description at landing page
            $image_filename = $this->image_processing($_FILES['userfile']['size']);

            //store image information to configuration table
            $data = array(
                'brand_landingpage_link' => $this->security->xss_clean($this->input->post('banner_link')),
                'brand_landingpage_description'    => $this->security->xss_clean($this->input->post('description')),
                'brand_landingpage_description_en'    => $this->security->xss_clean($this->input->post('description_en')),
            );

            //image upload
            if (isset($image_filename)) {
                $data['brand_landingpage_image'] = $image_filename;
            }
            $this->db->where('id_configuration', 1);
            $this->db->update('configuration', $data);

            $this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Client Landing Page Edit Successful</p>');
        }

        //get landingpage banner image, description and link
        $this->db->select('brand_landingpage_description, brand_landingpage_description_en, brand_landingpage_image, brand_landingpage_link')->from('configuration')->where('id_configuration', 1);
        $this->data['brand_landingpage'] = $this->db->get()->row();

        //pagination in action. 100 results per page
        $this->load->library('pagination');

        $config = array();
        $this->load->helper('pagination_helper');
        $config = pagination_format();
        $config['base_url'] = base_url() . 'admin/brands/index';
        $config['total_rows'] = $this->brand_m->record_count();
        $config['per_page'] = 100;
        $config['uri_segment'] = 4;

        $this->pagination->initialize($config);
        $this->data['brands'] = $this->brand_m->get_all_brands(
            $config['per_page'],
            $this->uri->segment($config['uri_segment'])
        );

        //load view
        $this->data['subview'] = 'admin/brands/index';
        $this->load->view('admin/templates/header', $this->data_header);
        $this->load->view('admin/_layout_main', $this->data);
        $this->load->view('admin/templates/footer');
    }

    //to add a new brand 
    public function add()
    {

        $this->data['brands'] = $this->brand_m->get_new();

        //get ordering number and display at add form
        $this->db->select_max('priority')->from('brands');
        $current_priority = $this->db->get()->row()->priority;
        if ($current_priority == NULL) {
            $this->data['brands']->priority = 1;
        } else {
            $this->data['brands']->priority = $current_priority + 1;
        }

        //validation in action
        //validation check in action 
        $this->load->library('form_validation');
        $this->form_validation->set_error_delimiters('<div class="error">', '</div>'); //above is to add class to form validation error, to be styled

        $config = $this->brand_m->rules;
        $this->form_validation->set_rules($config);

        //add $this because we use hmvc
        if ($this->form_validation->run($this) == TRUE) {

            $image_filename = $this->image_processing($_FILES['userfile']['size']);

            $logo_filename = $this->logo_processing($_FILES['userfile2']['size']);

            $data = $this->table_data_processing(
                $this->input->post('brand_name'),
                $this->input->post('status'),
                $image_filename,
                $logo_filename,
                $this->input->post('priority'),
                $this->input->post('meta_description'),
                $this->input->post('meta_keywords'),
                $this->input->post('banner_link')
            );

            $this->brand_m->add_brand($data);

            $this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Client Add Successful</p>');

            redirect('admin/brands');
        }
        $this->db->select('*');
        $this->db->from('configuration');
        $data['config'] = $this->db->get()->result();

        foreach ($data['config'] as $item) {
            $this->data_header['image'] = $item->logo;
            $this->data_header['icon'] = $item->website_icon;
        }
        $this->data['subview'] = 'admin/brands/edit';
        $this->load->view('admin/templates/header', $this->data_header);
        $this->load->view('admin/_layout_main', $this->data);
        $this->load->view('admin/templates/footer');
    }

    //to edit brand in admin
    public function edit($id = NULL)
    {

        if ($id == NULL) {
            show_404();
        }

        //check if id exist. If not exist, show 404.
        $count = $this->brand_m->count_exist($id);
        if ($count == 0) {
            show_404();
        }

        $this->data['brands'] = $this->brand_m->get($id);

        $this->brand_current_id = (int) $id;

        //validation check in action
        $this->load->library('form_validation');
        $this->form_validation->set_error_delimiters('<div class="error">', '</div>'); //above is to add class to form validation error, to be styled

        $config = $this->brand_m->rules;
        $this->form_validation->set_rules($config);

        if ($this->form_validation->run($this) == TRUE) {

            $image_filename = $this->image_processing($_FILES['userfile']['size']);

            $logo_filename = $this->logo_processing($_FILES['userfile2']['size']);

            $data = $this->table_data_processing(
                $this->input->post('brand_name'),
                $this->input->post('status'),
                $image_filename,
                $logo_filename,
                $this->input->post('priority'),
                $this->input->post('meta_description'),
                $this->input->post('meta_keywords'),
                $this->input->post('banner_link')
            );

            $this->brand_m->edit_brand($id, $data);

            $this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Client Edit Successful</p>');

            redirect('admin/brands/edit/' .  $id);
        }
        $this->db->select('*');
        $this->db->from('configuration');
        $data['config'] = $this->db->get()->result();

        foreach ($data['config'] as $item) {
            $this->data_header['image'] = $item->logo;
            $this->data_header['icon'] = $item->website_icon;
        }
        $this->data['subview'] = 'admin/brands/edit';
        $this->load->view('admin/templates/header', $this->data_header);
        $this->load->view('admin/_layout_main', $this->data);
        $this->load->view('admin/templates/footer');
    }


    //to delete a brand
    public function delete($id)
    {

        //check if id exist. If not exist, show 404.
        $count = $this->brand_m->count_exist($id);

        if ($count == 0) {
            //page not exist
            show_404();
        }

        //delete image from server
        //check if there is an existing image
        $this->db->select('image')->from('brands')->where('id_brands', (int) $id);
        $image = $this->db->get()->row();

        if ($image->image != '' || $image->image != NULL) {

            //Delete the actual image file from server. FCPATH is codeigniter base path
            unlink(FCPATH . '/uploads/brand/' . $image->image);
        }

        //delete brand
        $this->brand_m->delete($id);

        $this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Client Delete Successful</p>');
        redirect('admin/brands');
    }


    //image upload processing
    private function image_processing($image_file_size)
    {

        //get max image width and height from configuration table
        $this->db->select('brand_image_width, brand_image_height')->from('configuration')->where('id_configuration', 1);
        $image_dimension = $this->db->get()->row();

        //check & processing image banner upload files	
        if ($image_file_size !== 0) {

            $config['upload_path'] = './uploads/brand/';
            $config['allowed_types'] = 'jpg|png|jpeg';
            // $config['max_size']    = '500';
            // $config['max_width']  = $image_dimension->brand_image_width;
            // $config['max_height']  = $image_dimension->brand_image_height;

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

            if (!$this->upload->do_upload()) {

                echo $this->upload->display_errors(); die();

                $this->session->set_flashdata('banner_error', '<br>
					<p style="background:orange; color:white; padding:5px; font-weight:bold;">Image Upload Error. Wrong format or size.</p>');

                if ($this->brand_current_id != NULL) {
                    redirect('admin/brands/edit/' . $this->brand_current_id);
                } elseif ($this->brand_current_id == NULL && $this->imageupload_indexpage == FALSE) {
                    redirect('admin/brands/add');
                } elseif ($this->brand_current_id == NULL && $this->imageupload_indexpage == TRUE) {
                    redirect('admin/brands');
                }
            } else {
                $image = $this->upload->data();
                $image_filename = $image['file_name'];
                return $image_filename;
            }
        }
    }

    //logo upload processing
    private function logo_processing($logo_file_size)
    {

        //get max logo width and height from configuration table
        $this->db->select('brand_logo_width, brand_logo_height')->from('configuration')->where('id_configuration', 1);
        $logo_dimension = $this->db->get()->row();

        //check & processing image banner upload files	
        if ($logo_file_size !== 0) {

            $config['upload_path'] = './uploads/brand/';
            $config['allowed_types'] = 'jpg|png';
            $config['max_size']    = '200';
            $config['max_width']  = $logo_dimension->brand_logo_width;
            $config['max_height']  = $logo_dimension->brand_logo_height;

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

            if (!$this->upload->do_upload('userfile2')) {

                //echo $this->upload->display_errors(); die();

                $this->session->set_flashdata('logo_error', '<br>
					<p style="background:orange; color:white; padding:5px; font-weight:bold;">Image Upload Error. Wrong format or size.</p>');

                if ($this->brand_current_id != NULL) {
                    redirect('admin/brands/edit/' . $this->brand_current_id);
                } else {
                    redirect('admin/brands/add');
                }
            } else {

                $logo = $this->upload->data();
                $logo_filename = $logo['file_name'];

                return $logo_filename;
            }
        }
    }

    private function table_data_processing($brand_name, $status, $image_filename, $logo_filename, $priority, $meta_description, $meta_keywords, $banner_link)
    {

        $data = array(
            'brand'         => $this->security->xss_clean($brand_name),
            'alias'         => url_title($this->security->xss_clean($brand_name)),
            'status'         => $status,
            'description'     => $this->security->xss_clean($this->input->post('description')),
            'description_en' => $this->security->xss_clean($this->input->post('description_en')),
            'priority'         => $priority,
            'meta_description' => $this->security->xss_clean($meta_description),
            'meta_keywords'    => $this->security->xss_clean($meta_keywords),
            'banner_link'    => $this->security->xss_clean($banner_link)
        );

        //image upload
        if (isset($image_filename)) {
            $data['image'] = $image_filename;
        }

        //logo upload
        if (isset($logo_filename)) {
            $data['logo'] = $logo_filename;
        }

        return $data;
    }

    //callback function validation add new brand
    //make it private by adding _
    public function _cek_existing_brand_title($str)
    {

        $num_rows = $this->brand_m->cek_existing_brand_title($str, $this->brand_current_id);

        if ($num_rows != 0) {
            $this->form_validation->set_message('_cek_existing_brand_title', 'Brand name already exist!');
            return FALSE;
        } else {
            return TRUE;
        }
    }

    //To delete brand landingpage banner image file from server, and from database
    public function delete_landingpage_image()
    {

        //get image file name for deletion
        $this->db->select('brand_landingpage_image')->from('configuration')->where('id_configuration', 1);
        $image = $this->db->get()->row()->brand_landingpage_image;

        //Delete the actual image file from server. FCPATH is codeigniter base path
        unlink(FCPATH . '/uploads/brand/' . $image);

        //Delete image field from database
        $data = array(
            'brand_landingpage_image' => '',
        );

        $this->db->where('id_configuration', 1);
        $this->db->update('configuration', $data);

        $this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Image Delete Successful</p>');

        redirect('admin/brands');
    }

    //To delete brand banner image file from server, and from database
    public function delete_image($id = NULL)
    {

        $count = $this->brand_m->count_exist($id);

        if ($id == NULL || $count == 0) {
            redirect('admin/brands');
        }

        //get image file name for deletion
        $this->db->select('image')->from('brands')->where('id_brands', (int) $id);
        $image = $this->db->get()->row();

        //Delete the actual image file from server. FCPATH is codeigniter base path
        unlink(FCPATH . '/uploads/brand/' . $image->image);

        //Delete image field from database
        $data = array(
            'image' => '',
        );

        $this->db->where('id_brands', (int) $id);
        $this->db->update('brands', $data);

        $this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Image Delete Successful</p>');

        redirect('admin/brands/edit/' . $id);
    }

    //To delete brand logo file from server, and from database
    public function delete_logo($id = NULL)
    {

        $count = $this->brand_m->count_exist($id);

        if ($id == NULL || $count == 0) {
            redirect('admin/brands');
        }

        //get logo file name for deletion
        $this->db->select('logo')->from('brands')->where('id_brands', (int) $id);
        $image = $this->db->get()->row();

        //Delete the actual image file from server. FCPATH is codeigniter base path
        unlink(FCPATH . '/uploads/brand/' . $image->logo);

        //Delete image field from database
        $data = array(
            'logo' => '',
        );

        $this->db->where('id_brands', (int) $id);
        $this->db->update('brands', $data);

        $this->session->set_flashdata('success', '<br><p style="background:green; color:white; padding:5px; font-weight:bold;">Logo Delete Successful</p>');

        redirect('admin/brands/edit/' . $id);
    }
}