<?php
/**
 * Activation, upgrades and demo content.
 *
 * @package KarmaDocs
 */

namespace KarmaDocs;

defined( 'ABSPATH' ) || exit;

/**
 * Installer.
 */
class Install {

	/**
	 * Hooks.
	 */
	public function register() {
		add_action( 'admin_init', array( $this, 'maybe_upgrade' ) );
		add_action( 'admin_init', array( $this, 'activation_redirect' ) );
	}

	/**
	 * Plugin database tables (without the `{prefix}kdocs_` part), core and Pro.
	 *
	 * @return string[]
	 */
	public static function tables() {
		return array( 'events', 'stats_daily', 'search_daily', 'search_index', 'search_words', 'links', 'embeddings', 'views', 'searches', 'feedback' );
	}

	/**
	 * Activation callback.
	 *
	 * @param bool $network_wide Network activation (multisite).
	 */
	public static function activate( $network_wide = false ) {
		if ( $network_wide && is_multisite() ) {
			Multisite::activate_network();
			return;
		}
		self::activate_site();
	}

	/**
	 * Sets up the current site: content types, tables, options.
	 *
	 * @param bool $redirect Send the user to setup afterwards (first activation).
	 */
	public static function activate_site( $redirect = true ) {
		( new PostTypes() )->register_post_type();
		( new Taxonomies() )->register_taxonomies();
		update_option( 'kdocs_flush_rewrite', 1 );
		Migrations\Migrator::run();
		if ( ! get_option( 'kdocs_installed_at' ) ) {
			update_option( 'kdocs_installed_at', time() );
			if ( $redirect ) {
				set_transient( 'kdocs_activation_redirect', 1, 60 );
			}
		}
	}

	/**
	 * Deactivation callback.
	 */
	public static function deactivate() {
		flush_rewrite_rules( false );
	}

	/**
	 * Runs pending migrations (admin requests and WP-CLI). Also records the plugin
	 * version so upgrade notices can compare against it.
	 */
	public function maybe_upgrade() {
		Migrations\Migrator::run();
		if ( KDOCS_VERSION !== get_option( 'kdocs_version' ) ) {
			update_option( 'kdocs_version', KDOCS_VERSION );
		}
	}

	/**
	 * Sends the user to the dashboard after first activation.
	 */
	public function activation_redirect() {
		if ( ! get_transient( 'kdocs_activation_redirect' ) ) {
			return;
		}
		delete_transient( 'kdocs_activation_redirect' );
		if ( wp_doing_ajax() || is_network_admin() || isset( $_GET['activate-multi'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
			return;
		}
		wp_safe_redirect( Admin\Admin::url( get_option( 'kdocs_setup_done' ) ? 'dashboard' : 'setup' ) );
		exit;
	}

	/**
	 * Creates the sample knowledge base (onboarding screen and Tools).
	 *
	 * @param string $set Demo content set (see Demo\Importer::sets()).
	 * @return int|\WP_Error Knowledge base id.
	 */
	public static function create_sample_content( $set = 'guide' ) {
		return Demo\Importer::import( $set );
	}
}