<?php
/**
 * Plugin Name:       FlipWebP
 * Description:       Convert Media Library images to WebP and reduce their file size, one at a time or in bulk.
 * Version:           1.0.3
 * Requires at least: 6.4
 * Requires PHP:      7.4
 * Author:            Saad Bashir
 * Author URI:        https://profiles.wordpress.org/saadbashir1000/
 * Plugin URI:        https://wordpress.org/plugins/flipwebp/
 * License:           GPLv2 or later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain:       flipwebp
 * Domain Path:       /languages
 *
 * @package FlipWebP
 */

defined( 'ABSPATH' ) || exit;

define( 'FLIPWEBP_VERSION', '1.0.3' );
define( 'FLIPWEBP_FILE', __FILE__ );
define( 'FLIPWEBP_DIR', plugin_dir_path( __FILE__ ) );
define( 'FLIPWEBP_URL', plugin_dir_url( __FILE__ ) );

/**
 * Whether automatic conversion of new uploads is enabled.
 *
 * The option is read directly so front-end requests can bail out before any
 * other plugin file is loaded.
 *
 * @return bool
 */
function flipwebp_convert_on_upload_enabled() {
	$settings = get_option( 'flipwebp_settings', array() );

	return is_array( $settings ) && ! empty( $settings['convert_on_upload'] );
}

/**
 * Load a plugin file once.
 *
 * @param string $relative Path relative to the plugin directory.
 * @return void
 */
function flipwebp_require( $relative ) {
	require_once FLIPWEBP_DIR . ltrim( $relative, '/' );
}

/**
 * Load the plugin after WordPress has set request context.
 *
 * @return void
 */
function flipwebp_boot() {
	$backend = is_admin();
	$auto    = flipwebp_convert_on_upload_enabled();

	if ( ! $backend && ! $auto ) {
		return;
	}

	flipwebp_require( 'includes/class-capabilities.php' );
	flipwebp_require( 'includes/class-settings.php' );
	flipwebp_require( 'includes/class-filesystem.php' );
	flipwebp_require( 'includes/class-backup.php' );
	flipwebp_require( 'includes/class-replacer.php' );
	flipwebp_require( 'includes/class-converter.php' );
	flipwebp_require( 'includes/class-stats.php' );
	flipwebp_require( 'includes/class-library.php' );

	if ( $backend ) {
		flipwebp_require( 'includes/class-notices.php' );
		flipwebp_require( 'includes/class-media.php' );
		flipwebp_require( 'includes/class-ajax.php' );
		flipwebp_require( 'includes/class-admin.php' );
		\FlipWebP\Notices::register();
		( new \FlipWebP\Media() )->register();
		( new \FlipWebP\Ajax() )->register();
		( new \FlipWebP\Admin() )->register();
		\FlipWebP\Settings::register();
	}

	if ( $auto ) {
		\FlipWebP\Converter::register_upload_hook();
	}
}
add_action( 'plugins_loaded', 'flipwebp_boot' );

/**
 * Store default settings on activation.
 *
 * @return void
 */
function flipwebp_activate() {
	if ( version_compare( PHP_VERSION, '7.4', '<' ) ) {
		deactivate_plugins( plugin_basename( __FILE__ ) );
		wp_die(
			esc_html__( 'FlipWebP requires PHP 7.4 or newer.', 'flipwebp' ),
			esc_html__( 'Plugin Activation Error', 'flipwebp' ),
			array( 'back_link' => true )
		);
	}

	global $wp_version;
	if ( isset( $wp_version ) && version_compare( $wp_version, '6.4', '<' ) ) {
		deactivate_plugins( plugin_basename( __FILE__ ) );
		wp_die(
			esc_html__( 'FlipWebP requires WordPress 6.4 or newer.', 'flipwebp' ),
			esc_html__( 'Plugin Activation Error', 'flipwebp' ),
			array( 'back_link' => true )
		);
	}

	flipwebp_require( 'includes/class-settings.php' );
	\FlipWebP\Settings::install();
}
register_activation_hook( __FILE__, 'flipwebp_activate' );