<?php
/**
 * Created by PhpStorm.
 * User: mher
 * Date: 9/20/17
 * Time: 3:53 PM
 */

namespace Tenweb_Manager {


  class Product {

    public $id = 0;
    public $slug = "";
    public $title = "";
    public $description = "";
    public $author = "";
    public $author_url = "";
    public $with_addons = false;
    public $zip_name = "";
    public $parent_id = 0;
    public $logo = "";
    public $info_link = "";
    public $demo_link = "";
    public $support_link = "";
    public $review_link = "";
    public $downloads = 0;
    public $rating = "0.0";
    public $reviews = array();
    public $popular_rank = 0;
    public $latest_versions = array('free' => '0.0.0', 'paid' => '0.0.0');
    public $is_paid = false;
    public $last_update_date = "";
    public $requires = array();
    public $featured = true;
    public $purchase_info = array();
    private $type = "plugin";

    protected $download_data = array();
    protected $download_link = "";
    protected $installed;
    protected $error = array('code' => '', 'msg' => '');
    protected $rest_parameters = array();
    protected $origin = "10web";

    public function __construct($id, $slug, $title, $description, $type = "plugin"){
      $this->id = $id;
      $this->slug = $slug;
      $this->title = $title;
      $this->description = $description;
      $this->type = $type;
      $this->installed = false;
    }

    public function set_product_data($data){

      $this->type = $data['type'];
      $this->author = $data['author'];
      $this->author_url = $data['author_url'];
      $this->with_addons = $data['with_addons'];
      $this->zip_name = $data['zip_name'];
      $this->parent_id = $data['parent_id'];
      $this->logo = $data['logo'];
      $this->info_link = $data['info_link'];
      $this->demo_link = $data['demo_link'];
      $this->support_link = $data['support_link'];
      $this->review_link = $data['review_link'];
      $this->downloads = $data['downloads'];
      $this->rating = $data['rating'];
      $this->reviews = $data['reviews'];
      $this->popular_rank = $data['popular_rank'];
      $this->is_paid = $data['is_paid'];
      $this->latest_versions = $data['current_version'];
      $this->last_update_date = $data['last_updated'];
      $this->requires = $data['requires'];
      $this->featured = $data['featured'];
      $this->purchase_info = $data['purchase_info'];
      $this->download_link = $data['download_link'];

    }

    public function is_addon(){
      return ($this->parent_id != 0);
    }

    public function is_installed(){
      return $this->installed;
    }

    public function install($no_error_when_installed=false){
      if($this->type == "theme") {
        return $this->install_theme();
      } else {
        return $this->install_plugin($no_error_when_installed);
      }
    }

    public function install_plugin($no_error_when_installed=false){

      /*check if dir exists*/
      $plugin_folder = dirname($this->slug);
      $plugin_folder = str_replace(array('/', "\\"), array('', ''), $plugin_folder);
      if(!empty($plugin_folder) && $plugin_folder != '.' && file_exists(WP_PLUGIN_DIR . "/" . $plugin_folder)) {
        $this->set_error('install_error', "Plugin already installed.");
        return false;
      }

      $this->include_upgrade_libs();
      $skin = $this->get_skin();

      if($skin == null) {
        return false;
      }

      $upgrader = new \Plugin_Upgrader($skin);
      $fs_options = apply_filters('upgrader_package_options', array('destination' => WP_PLUGIN_DIR));
      if($upgrader->fs_connect(array(WP_CONTENT_DIR, $fs_options['destination'])) !== true) {
        $this->set_error('fs_error', "File system error. Invalid file permissions or FTP credentials.");
        return false;
      }

      if($this->set_download_data() == false) {
        return false;
      }

      add_filter('http_request_args', array($this, 'add_headers'), 9999, 2);
      $result = $upgrader->install($this->download_data['url']);

      if($result === true) {

        if(!empty($upgrader->result['destination_name'])){
          $this->slug = $upgrader->result['destination_name'];
        }else if(isset($skin->upgrader->result['destination_name'])){
          $this->slug = $skin->upgrader->result['destination_name'];
        }

        return true;
      } else {

        $skin_errors = $skin->get_errors()->errors;
        $errors = (!empty($skin_errors)) ? $skin_errors : array();

        if(!empty($errors)) {
          Helper::set_error_log('try_to_install_plugin_' . $this->slug, json_encode($errors));
        }

        if(!empty($errors['folder_exists']) && $no_error_when_installed) {
          return true;
        }

        if(!empty($errors['folder_exists'])) {
          $this->set_error('product_already_installed', 'Product already installed.');
          return false;
        }

        if(is_wp_error($result)) {
          $this->set_error('failed_to_install', $result->get_error_message());
          return false;
        } else {
          $this->set_error('failed_to_install', 'Something went wrong.');
          return false;
        }

      }

    }

    private function install_theme(){

      $theme_folder = str_replace(array('/', "\\"), array('', ''), $this->slug);
      if(!empty($theme_folder) && $theme_folder != '.' && file_exists(WP_CONTENT_DIR . "/themes/" . $theme_folder)) {
        $this->set_error('install_error', "Theme already installed.");
        return false;
      }

      $this->include_upgrade_libs();
      $skin = $this->get_skin();

      if($skin == null) {
        return false;
      }

      $upgrader = new \Theme_Upgrader($skin);


      $fs_options = apply_filters('upgrader_package_options', array('destination' => get_theme_root()));
      if($upgrader->fs_connect(array(WP_CONTENT_DIR, $fs_options['destination'])) !== true) {
        $this->set_error('fs_error', "File system error. Invalid file permissions or FTP credentials.");
        return false;
      }

      if($this->set_download_data() == false) {
        return false;
      }

      add_filter('http_request_args', array($this, 'add_headers'), 9999, 2);
      $result = $upgrader->install($this->download_data['url']);

      if($result === true) {

        if(isset($skin->upgrader->result['destination_name'])) {
          $this->slug = $skin->upgrader->result['destination_name'];
          $all_themes = wp_get_themes(array('errors' => null));
          if(!empty($all_themes[$this->slug])){
            $this->title = $all_themes[$this->slug]['Name'];
          }
        }

        return true;
      } else {

        $skin_errors = $skin->get_errors()->errors;
        $errors = (!empty($skin_errors)) ? $skin_errors : array();

        if(!empty($errors)) {
          Helper::set_error_log('try_to_install_theme_' . $this->slug, json_encode($errors));
        }

        if(!empty($errors['folder_exists'])) {
          $this->set_error('product_already_installed', 'Product already installed.');
          return false;
        }


        if(is_wp_error($result)) {
          $this->set_error('failed_to_install', $result->get_error_message());
          return false;
        } else {
          $this->set_error('failed_to_install', 'Something went wrong.');
          return false;
        }


      }

    }

    public function add_headers($args, $url){

      if($url != $this->download_data['url']) {
        return $args;
      }

      if(isset($this->download_data['headers'])) {
        $args['headers'] = $this->download_data['headers'];
      }

      return $args;
    }

    protected function include_upgrade_libs(){
      if($this->type == "theme") {
        require_once(ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');
        require_once(ABSPATH . 'wp-admin/includes/theme.php');
        require_once(ABSPATH . 'wp-admin/includes/admin.php');
      } else {
        require_once(ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');
        require_once(ABSPATH . 'wp-admin/includes/plugin-install.php');
        require_once(ABSPATH . 'wp-admin/includes/admin.php');
      }
    }

    /**
     * @return boolean
     */
    protected function set_download_data(){

      /*if($this->id === TENWEB_MANAGER_ID) {

        $this->download_data = array(
          'headers' => null,
          'url' => $this->get_download_link()
        );

        return true;
      }*/

      if($this->origin === "wp.org") {
        $wp_org_package = $this->get_wp_package();


        if($this->type === "theme") {
          $this->download_data = array(
            'headers' => array(),
            'url' => !empty($wp_org_package) ? $wp_org_package : "https://downloads.wordpress.org/theme/" . $this->slug . ".zip"
          );
        } else {
          $this->download_data = array(
            'headers' => array(),
            'url' => !empty($wp_org_package) ? $wp_org_package : "https://downloads.wordpress.org/plugin/" . $this->slug . ".zip"
          );
        }
        return true;
      } else if($this->origin === "upload") {
        $this->download_data = array(
          'headers' => array(),
          'url' => $this->download_link
        );
        return true;
      }

      $api = Api::get_instance();
      $tokens = $api->get_amazon_tokens($this->id);
      if(is_null($tokens)) {
        $this->set_error('token_error', "An error happened when trying to download item");
        return false;
      }

      include_once TENWEB_INCLUDES_DIR . '/class-amazon.php';
      $file = ltrim($tokens['path'], TENWEB_S3_BUCKET);

      $amazon = new Amazon(
        $tokens['key'],
        $tokens['secret'],
        $tokens['token'],
        $file
      );

      $this->download_data = $amazon->getRequestData();

      return true;
    }

    protected function get_wp_package(){

      if($this->type === "theme") {

        include_once ABSPATH . 'wp-admin/includes/theme.php';
        $request = themes_api('theme_information', array('slug' => $this->slug, 'fields' => array('sections' => false, 'tags' => false)));

      } else {
        $request = wp_remote_get('https://api.wordpress.org/plugins/info/1.0/' . $this->slug);
      }

      if(is_wp_error($request)) {
        $this->set_error('get_wp_package_error', $request->get_error_message());
        return "";
      }

      if(is_array($request) && isset($request['body'])) {
        $body = unserialize($request['body']);
      } else {
        $body = $request;
      }

      if(empty($body->download_link)) {
        $this->set_error('get_wp_package_error', "Something went wrong.");
        return "";
      }

      return $body->download_link;
    }

    /**
     * @return null on fail or skin object on success
     */
    protected function get_skin(){

      if(class_exists('\WP_Ajax_Upgrader_Skin')) {
        $skin = new \WP_Ajax_Upgrader_Skin();
      } else if(file_exists(ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php')) {
        require_once ABSPATH . 'wp-admin/includes/class-wp-ajax-upgrader-skin.php';
        $skin = new \WP_Ajax_Upgrader_Skin();
      } else {
        require_once TENWEB_INCLUDES_DIR . '/class-wp-ajax-upgrader-skin.php';
        $skin = new WP_Ajax_Upgrader_Skin();
      }

      $credentials = $skin->request_filesystem_credentials(false, WP_CONTENT_DIR, false);
      if($credentials == false) {
        $this->set_error('fs_error', "File system error. Invalid file permissions or FTP credentials.");
        return null;
      }

      return $skin;
    }

    protected function set_error($code, $msg){
      $this->error['code'] = $code;
      $this->error['msg'] = $msg;
    }

    public function get_error(){
      return $this->error;
    }

    public function get_type(){
      return $this->type;
    }

    public function set_download_link($download_link){
      $this->download_link = $download_link;
    }

    public function set_rest_parameters($rest_parameters){
      $this->rest_parameters = $rest_parameters;
    }

    public function set_origin($origin){
      $this->origin = $origin;
    }

    public function get_origin(){
      return $this->origin;
    }

    public function get_download_link(){
      return $this->download_link;
    }
  }


}