<?php

namespace DeliciousBrains\WPMDB\SiteMigration\Plugin;

use DeliciousBrains\WPMDB\Common\Plugin\PluginManagerBase;
use DeliciousBrains\WPMDB\Common\Util\Util;
use WP_Error;
use DeliciousBrains\WPMDB\SiteMigration\Settings\Settings;

class PluginManager extends PluginManagerBase {
	const UTM_PARAMS = [
		'utm_source' => 'wpesm_plugin',
		'utm_medium' => 'referral',
		'utm_campaign' => 'bx_prod_referral',
		'utm_content' => 'wpesm_plugin_footer_text',
	];

	public function register() {
		parent::register();
		add_filter( 'plugin_action_links_' . $this->props->plugin_basename, [ $this, 'plugin_action_links' ] );
		add_filter(
			'network_admin_plugin_action_links_' . $this->props->plugin_basename,
			[ $this, 'plugin_action_links' ]
		);
		add_filter(
			'wpmdb_handle_verify_connection_to_remote_site_response',
			[ $this, 'filter_handle_verify_connection_to_remote_site_response' ],
			10,
			2
		);
		add_filter( 'admin_footer_text', [ $this, 'admin_footer_text' ] );
		add_filter( 'update_footer', [ $this, 'update_footer' ], 20 );
	}

	/**
	 * Adds additional links to plugin page
	 *
	 * @param array $links
	 *
	 * @return array $links
	 */
	public function plugin_action_links( $links ) {
		$start_links = [
			'profiles' => sprintf(
				'<a href="%s">%s</a>',
				network_admin_url( $this->props->plugin_base ),
				__( 'Migrate', 'wp-migrate-db' )
			)
		];

		if ( Settings::is_target_platform() ) {
			$start_links['settings'] = sprintf(
				'<a href="%s">%s</a>',
				network_admin_url( $this->props->plugin_base ) . '#settings',
				_x( 'Settings', 'Plugin configuration and preferences', 'wp-migrate-db' )
			);
		}

		return $start_links + $links;
	}

	/**
	 * Filter the response to the verify connection to remote site call.
	 *
	 * @param array $response from the remote
	 * @param array $data     that was sent
	 *
	 * @returns array|WP_Error
	 */
	public function filter_handle_verify_connection_to_remote_site_response( $response, $data ) {
		if (
			is_multisite() &&
			! empty( $response['site_details']['is_multisite'] ) &&
			'false' === $response['site_details']['is_multisite']
		) {
			return new WP_Error(
				'multisite-to-single-site-install',
				sprintf(
					__(
						'It looks like you\'re trying to migrate a multisite to a single site, which isn\'t currently supported by this plugin. To continue, <a href="%s" target="_blank">convert the destination to a multisite</a> and try again.',
						'wp-migrate-db'
					),
					'https://wpengine.com/support/what-is-wordpress-multisite/#Convert_to_Multisite'
				)
			);
		}

		if (
			! is_multisite() &&
			! empty( $response['site_details']['is_multisite'] ) &&
			'true' === $response['site_details']['is_multisite']
		) {
			return new WP_Error(
				'multisite-to-single-site-install',
				sprintf(
					__(
						'It looks like you\'re trying to migrate a single site to a multisite, which isn\'t currently supported by this plugin. To continue, <a href="%s" target="_blank">convert the destination to a single site</a> and try again.',
						'wp-migrate-db'
					),
					'https://wpengine.com/support/what-is-wordpress-multisite/#Disable_Multisite'
				)
			);
		}

		return $response;
	}

	/**
	 * Get the plugin version
	 *
	 * @return string
	 **/
	public function get_plugin_version() {
		if ( ! isset( $GLOBALS['wpmdb_meta']['wpe-site-migration']['version'] ) ) {
			return '0';
		}

		return $GLOBALS['wpmdb_meta']['wpe-site-migration']['version'];
	}

	/**
	 * Filter admin footer text for Migrate pages
	 *
	 * @param string $text
	 *
	 * @return string
	 * @handles admin_footer_text
	 **/
	public function admin_footer_text( $text ) {
		if ( ! $this->util->isMDBPage() ) {
			return $text;
		}
		$wpe_link = Util::external_link(
			static::wpe_url(
				'',
				self::UTM_PARAMS
			),
			'WP Engine'
		);

		return $this->generate_admin_footer_text( $text, WPMDB_PLUGIN_TITLE, $wpe_link );
	}

	/**
	 * Filter update footer text for Migrate pages
	 *
	 * @param string $content
	 *
	 * @return string
	 * @handles update_footer
	 **/
	public function update_footer( $content ) {
		if ( ! $this->util->isMDBPage() ) {
			return $content;
		}

		$links[] = Util::external_link(
			static::wpe_url(
				'/support/wp-engine-site-migration/',
				self::UTM_PARAMS
			),
			__( 'Documentation', 'wp-migrate-db' )
		);

		$links[] = Util::external_link(
			'https://my.wpengine.com/support/?wpesm&utm_source=wpesm_plugin&utm_medium=referral&utm_campaign=bx_prod_referral&utm_content=wpesm_plugin_footer_text',
			__( 'Support', 'wp-migrate-db' )
		);

		$links[] = Util::external_link(
			'https://wpengine-product.canny.io/wpe-site-migration',
			__( 'Feedback', 'wp-migrate-db' )
		);

		$links[] = WPMDB_PLUGIN_TITLE . ' ' . $this->get_plugin_version();

		return join( ' &#8729; ', $links );
	}
}