<?php
namespace Akram;

defined( 'ABSPATH' ) || exit;

/**
 * Bootstraps every subsystem.
 */
final class Plugin {

	const DB_VERSION = 1;

	public static function boot() {
		Post_Types::init();
		Rest::init();
		Editor::init();
		Frontend::init();
		Theme_Builder::init();
		Popups::init();
		Forms::init();
		Feeds::init();
		Fonts::init();
		Performance::init();
		Maintenance::init();
		Svg::init();
		if ( is_admin() ) {
			Admin::init();
		}
		if ( defined( 'WP_CLI' ) && WP_CLI ) {
			\WP_CLI::add_command( 'akram', Cli::class );
		}
		add_action( 'init', array( __CLASS__, 'maybe_upgrade' ), 20 );
		add_action( 'akram_rebuild_css', array( Document::class, 'rebuild_all_css' ) );
	}

	public static function activate() {
		Post_Types::register();
		self::add_caps();
		add_option( 'akram_settings', Options::default_settings() );
		add_option( 'akram_globals', array() );
		add_option( 'akram_db_version', self::DB_VERSION );
		if ( get_current_user_id() ) {
			set_transient( 'akram_welcome_' . get_current_user_id(), 1, MINUTE_IN_SECONDS * 5 );
		}
		Document::ensure_upload_dir();
		flush_rewrite_rules();
	}

	public static function deactivate() {
		// Pages keep working: a static copy of every published layout lives in post_content.
		wp_clear_scheduled_hook( 'akram_rebuild_css' );
		flush_rewrite_rules();
	}

	public static function add_caps() {
		foreach ( array( 'administrator', 'editor' ) as $role_name ) {
			$role = get_role( $role_name );
			if ( $role ) {
				$role->add_cap( 'akram_edit' );
			}
		}
		$admin = get_role( 'administrator' );
		if ( $admin ) {
			$admin->add_cap( 'akram_manage' );
		}
	}

	public static function maybe_upgrade() {
		$ver = (int) get_option( 'akram_db_version', 0 );
		if ( $ver < self::DB_VERSION ) {
			self::add_caps();
			update_option( 'akram_db_version', self::DB_VERSION );
		}
		if ( get_option( 'akram_version' ) !== AKRAM_VERSION ) {
			$previous = get_option( 'akram_version' );
			update_option( 'akram_version', AKRAM_VERSION );
			if ( $previous ) {
				// Render engine may have improved: stylesheets are rebuilt on the server in the background,
				// and the dashboard offers a one-click rebuild of the page markup.
				wp_schedule_single_event( time(), 'akram_rebuild_css' );
				update_option( 'akram_needs_rebuild', 1 );
			}
		}
	}

	/** Whether the current user may use the builder (role manager aware). */
	public static function can_build( $post_id = 0 ) {
		if ( ! is_user_logged_in() ) {
			return false;
		}
		$ok = current_user_can( 'akram_edit' ) || current_user_can( 'manage_options' );
		if ( ! $ok ) {
			$roles = (array) Options::get( 'roles', array() );
			$user  = wp_get_current_user();
			$ok    = (bool) array_intersect( $roles, (array) $user->roles );
		}
		if ( $ok && $post_id ) {
			$ok = current_user_can( 'edit_post', $post_id );
		}
		return (bool) apply_filters( 'akram_can_build', $ok, $post_id );
	}

	/** Content-only editors can change text and media but not structure or styling. */
	public static function content_only() {
		$roles = (array) Options::get( 'content_roles', array() );
		if ( ! $roles || current_user_can( 'manage_options' ) ) {
			return false;
		}
		$user = wp_get_current_user();
		return (bool) array_intersect( $roles, (array) $user->roles );
	}

	public static function can_manage() {
		return current_user_can( 'akram_manage' ) || current_user_can( 'manage_options' );
	}

	/**
	 * ".min" when the minified builds are loaded, "" for the readable ones.
	 * Every compiled file in assets/build/ ships twice: readable (popup.js) and minified (popup.min.js).
	 * Sites load the minified copy; with SCRIPT_DEBUG on (or after `npm run watch`) the readable build is loaded.
	 */
	public static function min_suffix() {
		static $min = null;
		if ( null === $min ) {
			$debug = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG;
			$min   = $debug || ! file_exists( AKRAM_DIR . 'assets/build/editor.min.js' ) ? '' : '.min';
		}
		return $min;
	}

	/** File name to load for a compiled file, e.g. "m/popup.js" → "m/popup.min.js". */
	public static function build_file( $file ) {
		return preg_replace( '/\.(js|css)$/', self::min_suffix() . '.$1', $file );
	}

	/** URL of a compiled file in assets/build/ (see min_suffix()). */
	public static function build_url( $file ) {
		return AKRAM_URL . 'assets/build/' . self::build_file( $file );
	}
}