<?php
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
/**
 * The file that defines the core plugin class
 *
 * A class definition that includes attributes and functions used across both the
 * public-facing side of the site and the admin area.
 *
 * @link  https://webappick.com
 * @since 1.0.0
 *
 * @package    Woo_Invoice
 * @subpackage Woo_Invoice/includes
 */

/**
 * The core plugin class.
 *
 * This is used to define internationalization, admin-specific hooks, and
 * public-facing site hooks.
 *
 * Also maintains the unique identifier of this plugin as well as the current
 * version of the plugin.
 *
 * @since      1.0.0
 * @package    Woo_Invoice
 * @subpackage Woo_Invoice/includes
 * @author     Md Ohidul Islam <wahid@webappick.com>
 */
class Woo_Invoice
{

    /**
     * The loader that's responsible for maintaining and registering all hooks that power
     * the plugin.
     *
     * @since  1.0.0
     * @access protected
     * @var    Woo_Invoice_Loader $loader Maintains and registers all hooks for the plugin.
     */
    protected $loader;

    /**
     * The unique identifier of this plugin.
     *
     * @since  1.0.0
     * @access protected
     * @var    string $plugin_name The string used to uniquely identify this plugin.
     */
    protected $plugin_name;

    /**
     * The current version of the plugin.
     *
     * @since  1.0.0
     * @access protected
     * @var    string $version The current version of the plugin.
     */
    protected $version;

    /**
     * Define the core functionality of the plugin.
     *
     * Set the plugin name and the plugin version that can be used throughout the plugin.
     * Load the dependencies, define the locale, and set the hooks for the admin area and
     * the public-facing side of the site.
     *
     * @since 1.0.0
     */
    public function __construct() {
        if ( defined('CHALLAN_FREE_VERSION') ) {
            $this->version = CHALLAN_FREE_VERSION;
        } else {
            $this->version = '1.0.5';
        }
        $this->installer();
        $this->plugin_name = 'woo-invoice';
        $this->load_dependencies();
        $this->set_locale();
        $this->define_admin_hooks();
        $this->define_public_hooks();
    }


    /**
     * Generate htaccess file in woocommerce upload dir.
     * Protect Woo Invoice File
     */
    private function installer() {

    }

    /**
     * Load the required dependencies for this plugin.
     *
     * Include the following files that make up the plugin:
     *
     * - Woo_Invoice_Loader. Orchestrates the hooks of the plugin.
     * - Woo_Invoice_I18n. Defines internationalization functionality.
     * - Woo_Invoice_Admin. Defines all hooks for the admin area.
     * - Woo_Invoice_Public. Defines all hooks for the public side of the site.
     *
     * Create an instance of the loader which will be used to register the hooks
     * with WordPress.
     *
     * @since  1.0.0
     * @access private
     */
    private function load_dependencies() {
        /**
         * The class responsible for orchestrating the actions and filters of the
         * core plugin.
         */
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-loader.php';

        /**
         * The class responsible for defining internationalization functionality
         * of the plugin.
         */
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-i18n.php';

        /**
         * The class responsible for defining PDF functionality
         * of the plugin.
         */
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-engine.php';

        /**
         * The class responsible for loading PDF plugin hooks
         * of the plugin.
         */
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-hooks.php';


        /**
         * The class responsible for defining all actions that occur in the admin area.
         */
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'admin/class-woo-invoice-admin.php';

        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-template.php';
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-helper.php';
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-orders.php';
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/class-woo-invoice-pdf.php';
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/hooks.php';
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/helper.php';
        include_once CHALLAN_FREE_ROOT_FILE_PATH . 'includes/widget.php';

        $this->loader = new Woo_Invoice_Loader();


        // check if uploads folder is writable.
        if ( ! woo_invoice_is_uploads_folder_writable() ) {
            //phpcs:disable
            if ( isset( $_GET['action'] )
                && ( 'wpifw_generate_invoice' === $_GET['action']
                    || 'wpifw_generate_invoice_packing_slip' === $_GET['action']
                    || 'wpifw_generate_delivery_address' === $_GET['action'] ) ) {
                $message = __( 'Your uploads folder is not writable. Please make <strong>wp-content/uploads</strong> folder writable to generate and save invoices.', 'webappick-pdf-invoice-for-woocommerce' );
                die( $message );//phpcs:ignore
            }
        }

        // if mpdf library is missing then downlaod mpdf.
        if ( woo_invoice_is_uploads_folder_writable() && ! file_exists(CHALLAN_FREE_INVOICE_DIR . "mpdf/vendor/autoload.php") ) {
            Challan_MpdfLibDownloader::downloadLib();
        }

        // default fonts are missing then download the defaults fonts.
        if ( woo_invoice_is_uploads_folder_writable() && ! file_exists(CHALLAN_FREE_FONT_DIR . "currencies.ttf") ) {
            if ( ! class_exists("Challan_PluginDefaultFontDownloader") ) {
                require_once CHALLAN_FREE_ROOT_FILE_PATH . "includes/classes/class-plugin-default-font-downloader.php";
            }

            Challan_PluginDefaultFontDownloader::downloadDefaultFonts();
            flush_rewrite_rules();
            if ( isset( $_GET['action'] )
                && ( 'wpifw_generate_invoice' === $_GET['action']
                    || 'wpifw_generate_invoice_packing_slip' === $_GET['action']
                    || 'wpifw_generate_delivery_address' === $_GET['action'] ) ) {
                $message = __( '<strong>Mpdf</strong> and <strong>fonts</strong> were missing. Now it is downloaded. <strong>Please reload again</strong> ', 'webappick-pdf-invoice-for-woocommerce' );
                die( $message );//phpcs:ignore
            } //phpcs:enable
        }

    }

    /**
     * Define the locale for this plugin for internationalization.
     *
     * Uses the Woo_Invoice_I18n class in order to set the domain and to register the hook
     * with WordPress.
     *
     * @since  1.0.0
     * @access private
     */
    private function set_locale() {
        $plugin_i18n = new Woo_Invoice_I18n();

        $this->loader->add_action('plugins_loaded', $plugin_i18n, 'load_plugin_textdomain');

    }

    /**
     * Register all of the hooks related to the admin area functionality
     * of the plugin.
     *
     * @since  1.0.0
     * @access private
     */
    private function define_admin_hooks() {
        $plugin_admin = new Woo_Invoice_Admin($this->get_plugin_name(), $this->get_version());

        $this->loader->add_action('admin_enqueue_scripts', $plugin_admin, 'enqueue_base_styles');
        $this->loader->add_action('admin_enqueue_scripts', $plugin_admin, 'enqueue_common_scripts');
        $this->loader->add_action('admin_menu', $plugin_admin, 'load_admin_menu');

    }

    /**
     * Register all of the hooks related to the public-facing functionality
     * of the plugin.
     *
     * @since  1.0.0
     * @access private
     */
    private function define_public_hooks() {
        return false;
    }

    /**
     * Run the loader to execute all of the hooks with WordPress.
     *
     * @since 1.0.0
     */
    public function run() {
        $this->loader->run();
    }

    /**
     * The name of the plugin used to uniquely identify it within the context of
     * WordPress and to define internationalization functionality.
     *
     * @since  1.0.0
     * @return string    The name of the plugin.
     */
    public function get_plugin_name() {
        return $this->plugin_name;
    }

    /**
     * The reference to the class that orchestrates the hooks with the plugin.
     *
     * @since  1.0.0
     * @return Woo_Invoice_Loader    Orchestrates the hooks of the plugin.
     */
    public function get_loader() {
        return $this->loader;
    }

    /**
     * Retrieve the version number of the plugin.
     *
     * @since  1.0.0
     * @return string    The version number of the plugin.
     */
    public function get_version() {
        return $this->version;
    }

}
