<?php
/**
 * Facilitates smoother integration with the Freemius.
 *
 * @since 4.9
 */
class Tribe__Events__Integrations__Freemius {
	/**
	 * Stores the instance for the Freemius
	 *
	 * @since  4.9
	 *
	 * @var Freemius
	 */
	private $instance;

	/**
	 * Stores the ID for the Freemius application
	 *
	 * @since  4.9
	 *
	 * @var string
	 */
	private $freemius_id = '3069';

	/**
	 * Stores the slug for the Freemius application
	 *
	 * @since  4.9
	 *
	 * @var string
	 */
	private $slug = 'the-events-calendar';

	/**
	 * Performs setup for the Freemius integration singleton.
	 *
	 * @since  4.9
	 *
	 * @return void
	 */
	public function __construct() {
		if ( ! is_admin() ) {
			return;
		}

		global $pagenow;

		$page = tribe_get_request_var( 'page' );

		$valid_page = [
			Tribe__Settings::$parent_slug,
			Tribe__App_Shop::MENU_SLUG,
			Tribe__Events__Aggregator__Page::$slug,
			'tribe-help',
		];

		if ( ! in_array( $page, $valid_page ) && 'plugins.php' !== $pagenow ) {
			return;
		}

		// if the common that loaded doesn't include Freemius, let's bail
		if ( ! tribe()->offsetExists( 'freemius' ) ) {
			return;
		}

		/**
		 * Allows third-party disabling of The Events Calendar integration
		 *
		 * @since  4.9
		 *
		 * @param  bool  $should_load
		 */
		$should_load = apply_filters( 'tribe_events_integrations_should_load_freemius', $this->should_load( 10 ) );

		if ( ! $should_load ) {
			return;
		}

		$this->instance = tribe( 'freemius' )->initialize(
			$this->slug,
			$this->freemius_id,
			'pk_e32061abc28cfedf231f3e5c4e626',
			[
				'menu' => [
					'slug'    => $page,
					'account' => true,
					'support' => false,
				],
				'is_premium'     => false,
				'has_addons'     => false,
				'has_paid_plans' => false,
			]
		);

		tribe_asset( Tribe__Events__Main::instance(), 'tribe-events-freemius', 'freemius.css', [], 'admin_enqueue_scripts' );

		// Freemius typically hooks this action–which bootstraps the deactivation dialog–during plugins_loaded, but we
		// initialize our plugins AFTER plugins_loaded, so we'll register it on admin_init instead
		add_action( 'admin_init', [ $this->instance, '_hook_action_links_and_register_account_hooks' ] );
		add_action( 'admin_init', [ $this, 'action_skip_activation' ] );

		$this->instance->add_filter( 'connect_message_on_update', [ $this, 'filter_connect_message_on_update' ], 10, 6 );

		add_action( 'admin_init', [ $this, 'maybe_remove_activation_complete_notice' ] );
	}

	/**
	 * When should we load Freemius to users
	 *
	 * @since  4.9
	 *
	 * @param  integer $threshold Percentage of which we will load Freemius
	 *
	 * @return boolean
	 */
	public function should_load( $threshold = 10 ) {
		if (
			defined( 'TRIBE_EVENTS_INTEGRATIONS_SHOULD_LOAD_FREEMIUS' )
			&& TRIBE_EVENTS_INTEGRATIONS_SHOULD_LOAD_FREEMIUS
		) {
			return TRIBE_EVENTS_INTEGRATIONS_SHOULD_LOAD_FREEMIUS;
		}

		// If we have the option we use it
		$seed                  = tribe_get_option( 'freemius_random_seed', null );
		$seed_misses_threshold = null === $seed || $threshold < $seed;

		/**
		 * Should only if it a new install.
		 *
		 * @see Tribe__Admin__Activation_Page::is_new_install Based on protected method from Common.
		 */
		$previous_versions     = Tribe__Settings_Manager::get_option( 'previous_ecp_versions', [] );
		$has_previous_versions = ! empty( $previous_versions ) && '0' != end( $previous_versions );

		if ( $has_previous_versions && $seed_misses_threshold ) {
			return false;
		}

		if ( ! $seed ) {
			$seed = rand( 1, 100 );

			// On PHP 7.2 and above we have access to a better Randomizer method
			if ( function_exists( 'random_int' ) ) {
				$seed = random_int( 1, 100 );
			}

			// After getting a new seed save it to the DB
			tribe_update_option( 'freemius_random_seed', $seed );
		}

		// If the seed falls in the Threshold we should load
		if ( $threshold >= $seed ) {
			return true;
		}

		// If we got here we shouldnt load
		return false;
	}

	/**
	 * Action to skip activation since freemius doesnt do their job correctly hre
	 *
	 * @since  4.9
	 *
	 * @return bool|void
	 */
	public function action_skip_activation() {
		$fs_action = tribe_get_request_var( 'fs_action' );

		// Prevent Fatals
		if ( ! function_exists( 'fs_redirect' ) || ! function_exists( 'fs_is_network_admin' ) ) {
			return false;
		}

		// Actually do the Skipping of connection, since their code doesnt
		if ( $this->slug . '_skip_activation' !== $fs_action ) {
			return false;
		}

		check_admin_referer( $this->slug . '_skip_activation' );

		$this->instance->skip_connection( null, fs_is_network_admin() );

		fs_redirect( $this->instance->get_after_activation_url( 'after_skip_url' ) );
	}

	/**
	 * Filter the content for the Freemius Popup
	 *
	 * @since  4.9
	 *
	 * @param  string $message
	 * @param  string $user_first_name
	 * @param  string $product_title
	 * @param  string $user_login
	 * @param  string $site_link
	 * @param  string $freemius_link
	 *
	 * @return string
	 */
	public function filter_connect_message_on_update(
		$message,
		$user_first_name,
		$product_title,
		$user_login,
		$site_link,
		$freemius_link
	) {
		$plugin_name = 'The Events Calendar';
		$title = '<h3>' . sprintf( esc_html__( 'We hope you love %1$s', 'the-events-calendar' ), $plugin_name ) . '</h3>';
		$html = '';

		$html .= '<p>';
		$html .= sprintf(
			esc_html__( 'Hi, %1$s! This is an invitation to help %2$s community. If you opt-in, some data about your usage of %2$s will be shared with our teams (so they can work their butts off to improve). We will also share some helpful info on events management. WordPress, and our products from time to time.', 'the-events-calendar' ),
			$user_first_name,
			$plugin_name
		);
		$html .= '</p>';

		$html .= '<p>';
		$html .= sprintf(
			esc_html__( 'And if you skip this, that\'s okay! %1$s will still work just fine.', 'the-events-calendar' ),
			$plugin_name
		);
		$html .= '</p>';

		// Powered by HTML
		$html .= '<div class="tribe-powered-by-freemius">' . esc_html__( 'Powered by', 'the-events-calendar' ) . '</div>';

		return $title . $html;
	}

	/**
	 * Returns The Events Calendar instance of Freemius plugin
	 *
	 * @since  4.9
	 *
	 * @return Freemius
	 */
	public function get() {
		return $this->instance;
	}

	/**
	 * Method to remove the sticky message when the plugin is active for freemius
	 *
	 * @since  4.9
	 *
	 * @return void
	 */
	public function maybe_remove_activation_complete_notice() {

		// Bail if the is_pending_activation() method doesn't exist
		if ( ! method_exists( $this->instance, 'is_pending_activation' ) ) {
			return;
		}

		// Bail if it's still pending activation
		if ( $this->instance->is_pending_activation() ) {
			return;
		}

		$admin_notices = FS_Admin_Notices::instance(
				$this->slug,
				'The Events Calendar',
				$this->instance->get_unique_affix()
			);

		// Bail if it doesn't have the activation complete notice
		if ( ! $admin_notices->has_sticky( 'activation_complete' ) ) {
			return;
		}

		// Remove the sticky notice for activation complete
		$admin_notices->remove_sticky( 'activation_complete' );
	}
}