<?php
/**
 * Name:    Dev4Press\v54\API\Four
 * Version: v5.4
 * Author:  Milan Petrovic
 * Email:   support@dev4press.com
 * Website: https://www.dev4press.com/
 *
 * @package Dev4PressLibrary
 *
 * == Copyright ==
 * Copyright 2008 - 2025 Milan Petrovic (email: support@dev4press.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 */

namespace Dev4Press\v54\API;

use Dev4Press\v54\Core\Helpers\IP;

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

class Four {
	private $plugins = array(
		'sweeppress/sweeppress.php'                                     => '89',
		'breadcrumbspress/breadcrumbspress.php'                         => '87',
		'dev4press-updater/dev4press-updater.php'                       => '11',
		'gd-bbpress-toolbox/gd-bbpress-toolbox.php'                     => '29',
		'gd-content-tools/gd-content-tools.php'                         => '51',
		'gd-forum-notices-for-bbpress/gd-forum-notices-for-bbpress.php' => '82',
		'gd-knowledge-base/gd-knowledge-base.php'                       => '46',
		'gd-mail-queue/gd-mail-queue.php'                               => '74',
		'gd-power-search-for-bbpress/gd-power-search-for-bbpress.php'   => '72',
		'gd-press-tools/gd-press-tools.php'                             => '1',
		'gd-quantum-theme-for-bbpress/gd-quantum-theme-for-bbpress.php' => '69',
		'gd-rating-system/gd-rating-system.php'                         => '48',
		'gd-security-toolbox/gd-security-toolbox.php'                   => '50',
		'gd-seo-toolbox/gd-seo-toolbox.php'                             => '49',
		'gd-topic-polls/gd-topic-polls.php'                             => '59',
		'gd-topic-prefix/gd-topic-prefix.php'                           => '56',
	);

	private $base = 'https://www.dev4press.com/service/core/{endpoint}/';

	private $data = array(
		'type'      => 'plugin',
		'name'      => '',
		'version'   => '',
		'build'     => 0,
		'lic'       => 'ND4PL',
		'api'       => 'ND4UR',
		'multisite' => 'N',
		'bbpress'   => 'N',
		'source'    => 'ad',
		'plugins'   => array(),
		'ip'        => '',
		'url'       => '',
	);

	public $ad = null;

	public function __construct( $type, $name, $version, $build, $lic = '' ) {
		$this->data['type']    = $type;
		$this->data['name']    = $name;
		$this->data['version'] = $version;
		$this->data['build']   = $build;

		if ( $lic != '' ) {
			$this->data['lic'] = $lic;
		}

		$this->data['multisite'] = is_multisite() ? 'Y' : 'N';
		$this->data['bbpress']   = $this->_has_bbpress() ? 'Y' : 'N';
		$this->data['url']       = wp_parse_url( get_bloginfo( 'url' ), PHP_URL_HOST );
		$this->data['ip']        = IP::server();

		if ( function_exists( 'd4pupd_get_api_key' ) ) {
			$this->data['api'] = d4pupd_get_api_key();
		}

		add_filter( 'http_request_args', array( $this, 'request_headers' ), 2000, 2 );

		require_once ABSPATH . 'wp-admin/includes/plugin.php';
		$plugins = get_plugins();

		foreach ( array_keys( $plugins ) as $plugin ) {
			if ( isset( $this->plugins[ $plugin ] ) ) {
				$this->data['plugins'][] = $this->plugins[ $plugin ];
			}
		}

		$this->data['plugins'] = join( ',', $this->data['plugins'] );
	}

	public static function instance( $type, $name, $version, $build, $lic = '' ) : Four {
		static $_d4p_four = null;

		if ( ! isset( $_d4p_four ) ) {
			$_d4p_four = new Four( $type, $name, $version, $build, $lic );
		}

		return $_d4p_four;
	}

	public function request_headers( $r, $url ) : array {
		if ( strpos( $url, 'www.dev4press.com/service/core' ) !== false ) {
			$r['headers']['X-Dev4press-Checkin-Product']  = $this->_header_product();
			$r['headers']['X-Dev4press-Checkin-Origin']   = $this->_header_origin();
			$r['headers']['X-Dev4press-Checkin-Validate'] = $this->_header_validate();
		}

		return $r;
	}

	public function ad() {
		$this->data['source'] = 'ad';
		$key                  = 'devad_' . $this->data['name'];

		$data = get_site_transient( $key );

		if ( empty( $data ) ) {
			$url = $this->_request_url( 'recommend' );

			$data = $this->_request( $url );

			if ( $data !== false ) {
				set_site_transient( $key, $data, DAY_IN_SECONDS * 7 );
			}
		}

		$this->ad = $data;
	}

	public function ad_render( $panel = 'update' ) : string {
		$render = '';

		if ( ! is_null( $this->ad ) && $this->ad !== false && isset( $this->ad->plugins ) && $this->ad->plugins !== false && is_array( $this->ad->plugins ) && ! empty( $this->ad->plugins ) ) {
			$plugins = (array) $this->ad->plugins;

			if ( $plugins ) {
				$render = '<div id="dev4press-recommend">';
				$render .= '<h5>Recommended Plugins</h5>';

				foreach ( $plugins as $plugin ) {
					$render .= '<div class="dev4press-recommend-plugin" style="border-color: ' . esc_attr( $plugin->color_dark ) . '; background-color: ' . esc_attr( $plugin->color ) . '">';
					$render .= '<h6 style="background-color: ' . esc_attr( $plugin->color_dark ) . ';"><a target="_blank" rel="noopener" href="' . esc_url( $this->_url( $plugin->url_home, $panel ) ) . '">' . esc_html( $plugin->name ) . '</a></h6>';
					$render .= '<div class="dev4press-plugin-inner">';
					$render .= '<div class="dev4press-plugin-thumb">';
					$render .= '<a target="_blank" rel="noopener" href="' . esc_url( $this->_url( $plugin->url_home, $panel ) ) . '"><i class="d4p-icon d4p-plugin-' . esc_attr( $plugin->code ) . '"></i></a>';
					$render .= '</div>';
					$render .= '<em>' . esc_html( $plugin->description ) . '</em>';
					$render .= '<div class="dev4press-plugin-links">';
					$render .= '<a target="_blank" rel="noopener" class="button-primary dev4press-buynow" href="' . esc_url( $this->_url( $plugin->url_buy, $panel ) ) . '">Buy Now</a>';

					if ( $plugin->url_micro != '' ) {
						$render .= '<a target="_blank" class="button-secondary" href="' . esc_url( $this->_url( $plugin->url_micro, $panel ) ) . '">Home Page</a>';
					}

					if ( $plugin->url_demo != '' ) {
						$render .= '<a target="_blank" rel="noopener" class="button-secondary" href="' . esc_url( $this->_url( $plugin->url_demo, $panel ) ) . '">View Demo</a>';
					}
					$render .= '</div>';
					$render .= '</div>';
					$render .= '</div>';
				}

				$render .= '</div>';
			}
		}

		return $render;
	}

	private function _url( $url, $campaign = 'install' ) : string {
		$url = add_query_arg( 'utm_source', $this->data['url'], $url );
		$url = add_query_arg( 'utm_medium', 'web-' . $this->data['name'], $url );

		return add_query_arg( 'utm_campaign', $campaign . '-panel', $url );
	}

	private function _request_url( $endpoint ) {
		return str_replace( '{endpoint}', $endpoint, $this->base );
	}

	private function _header_validate() : string {
		return $this->data['api'] . '::' .
		       $this->data['lic'];
	}

	private function _header_origin() : string {
		return $this->data['url'] . '::' .
		       $this->data['multisite'];
	}

	private function _header_product() : string {
		return $this->data['type'] . '::' .
		       $this->data['name'] . '::' .
		       $this->data['version'] . '::' .
		       $this->data['build'];
	}

	private function _has_bbpress() : bool {
		if ( function_exists( 'bbp_version' ) ) {
			$version = bbp_get_version();
			$version = intval( substr( str_replace( '.', '', $version ), 0, 2 ) );

			return $version > 24;
		} else {
			return false;
		}
	}

	private function _request( $url ) {
		$raw = $this->_post( $url, $this->data );

		if ( ! is_wp_error( $raw ) ) {
			return json_decode( $raw['body'] );
		}

		return false;
	}

	private function _post( $url, $data ) {
		global $wp_version;

		$options = array(
			'timeout'    => 15,
			'body'       => wp_json_encode( $data ),
			'method'     => 'POST',
			'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ),
		);

		return wp_remote_post( $url, $options );
	}
}
