<?php 

if (!defined('_PS_VERSION_')){
    exit;
}

class Cyb_Facebook extends Module {


    public function __construct(){
        $this->name = 'cyb_facebook';
        $this->tab = 'cyb_facebook';
        $this->version = '1';
        $this->author = 'Cyberscope Bastien';
        $this->ps_versions_compliancy = array('min' => '1.7', 'max' => _PS_VERSION_);
        $this->bootstrap = true;
        $this->display = 'view';

        parent::__construct();

        $this->displayName = $this->l('Cyberscope Facebook');
        $this->description = $this->l('');
        $this->confirmUninstall = $this->l('Êtes-vous sûr de vouloir désinstaller ce module ?');
        
        $this->templateFile = 'module:cyb_facebook/cyb_facebook.tpl';
        
    }


    public function install(){
        if(!parent::install()
           || !Configuration::updateValue('facebook_image', '')
           || !Configuration::updateValue('facebook_lien', '')
           || !$this->registerHook('displayHomeAfter')
           || !$this->registerHook('header')){
            return false;
        }
        else{
            return true;
        }
    }


    public function uninstall(){
        if(!parent::uninstall()
           || !Configuration::deleteByName('facebook_image')
           || !Configuration::deleteByName('facebook_lien')){
            return false;
        }
        else{
            return true;
        }
    }


    public function getContent(){
        return $this->postProcess().$this->renderForm();
    }

    private function postProcess(){
        if(Tools::isSubmit('submitConfFacebook')) {
            
            $filename = '';
            if (isset($_FILES['facebook_image'], $_FILES['facebook_image']['name']) && $_FILES['facebook_image']['name']) {
                if ($error = ImageManager::validateUpload($_FILES['facebook_image'], 4000000)) {
                    $errors[] = $error;
                } else {
                    $filename = $_FILES['facebook_image']['name'];

                    if (! move_uploaded_file($_FILES['facebook_image']['tmp_name'],
                        dirname(__FILE__) . DIRECTORY_SEPARATOR . 'img' . DIRECTORY_SEPARATOR . $filename)
                    ) {
                        return $this->displayError($this->trans('An error occurred while attempting to upload the file.',
                            array(), 'Admin.Notifications.Error'));
                    }
                }
            }

            
    if(Configuration::updateValue('facebook_image', $filename) && Configuration::updateValue('facebook_lien', $_POST['facebook_lien'])){
            return $this->displayConfirmation('Le champ a été enregistré');
        }
        else{
            return $this->displayError('Une erreur a été rencontré');
        }
}
        
    }


    private function renderForm(){
        $helper = new HelperForm();
        $helper->submit_action = 'submitConfFacebook';
        $helper->token = Tools::getAdminTokenLite('AdminModules');
        $helper->module = $this;
        
        $fields_form = array(
            //            'tinymce' => true,
            'form' => array(
                'legend' => array(
                    'title' => $this->trans('Settings', array(), 'Admin.Global'),
                    'icon' => 'icon-cogs'
                ),
                'input' => array(
                    array(
                        'type'          => 'file',
                        'label'         => 'Image',
                        'name'          => 'facebook_image',
                        'required'      => true,
                        'display_image' => true,
                        'desc' => $this->l('Dimensions : 480*170px'),
                    ),
                    array(
                        'type' => 'text',
                        'label' => 'Lien :',
                        'name' => 'facebook_lien',
                        'class' => '',
                        'required' => true,
                    )
                ),
                'submit' => array(
                    'title' => 'Sauvegarder'
                )
            ),
        );

        $fields_form['form']['facebook_image'] = Configuration::get('facebook_image');
        
        $helper->tpl_vars = array(
            'fields_value'      =>      $this->getAddFieldsValues(),
            'image_baseurl'     =>      $this->_path.'img/',
            'base_url' => $this->context->shop->getBaseURL(),
        );

        return $helper->generateForm(array($fields_form));
    }


     public function getAddFieldsValues()
    {
        return array(
                'facebook_image'        => Configuration::get('facebook_image'),
                'facebook_lien'         => Configuration::get('facebook_lien'),
            );
    }


    public function hookHeader(){
        $this->context->controller->registerStylesheet('css-cyb-facebook', 'modules/' . $this->name. '/css/style.css',
            [
                'media'        =>  'all',
                'priority'     =>  0,
            ]
        );
    }
    
    
    public function hookdisplayHomeAfter(){
        global $smarty;

        $smarty->assign('facebook', array(
            'lien' => Configuration::get('facebook_lien'), 
            'image' => $this->context->link->getMediaLink(_MODULE_DIR_.$this->name.'/img/'.Configuration::get('facebook_image'))));
            
        return $this->display(__FILE__,'cyb_facebook.tpl');
    }


}