<?php
namespace Wpmet\UtilityPackage\Stories;

defined( 'ABSPATH' ) || exit;

use Wpmet\UtilityPackage\Helper\Helper as UtilsHelper;

/**
 * Showing Stories 
 * other stuffs
 * Class Stories
 * @package Wpmet\UtilityPackage
 */
class Stories {

	// protected $script_version = '1.1.1';

	protected $key = 'wpmet_stories';
	protected $data;
	protected $title;
	protected $plugin_link = array();
	protected $last_check; 
	protected $check_interval = ( 3600 * 6 );

	protected $plugin_screens;

	protected $text_domain;
	protected $filter_string;
	protected $api_url;

	private $stories;

	/**
	 * Get version of this script
	 *
	 * @return string Version name
	 */
	public function get_version() {
		// return $this->script_version;
		return UtilsHelper::get_pac_version();
	}

	/**
	 * Get current directory path
	 *
	 * @return string
	 */
	public function get_script_location() {
		return __FILE__;
	}

	public function set_plugin( $link_title, $weblink = 'https://wpmet.com/' ) {
		$plugin = [$link_title, $weblink];
		add_filter("wpmet/stories/plugin_links", function ($plugin_links) use ($plugin) {
			$plugin_links[] = $plugin;
			return $plugin_links;
		});

		return $this;

	}

	public function call() {
		add_action( 'wp_dashboard_setup', array( $this, 'show_story_widget' ), 111 );
	}

	private function in_whitelist( $conf, $list ) {

		$match = $conf->data->whitelist;

		if ( empty( $match ) ) {

			return true;
		};

		$match_arr = explode( ',', $match );

		foreach ( $list as $word ) {
			if ( in_array( $word, $match_arr ) ) {

				return true;
			}
		}

		return false;
	}

	private function in_blacklist( $conf, $list ) {

		$match = $conf->data->blacklist;

		if ( empty( $match ) ) {

			return false;
		};

		$match_arr = explode( ',', $match );

		foreach ( $match_arr as $idx => $item ) {

			$match_arr[ $idx ] = trim( $item );
		}

		foreach ( $list as $word ) {
			if ( in_array( $word, $match_arr ) ) {

				return true;
			}
		}

		return false;
	}

	public function set_title( $title = '' ) {
		$this->title = $title;

		return $this;
	}

	public function is_test( $is_test = false ) {

		if ( $is_test === true ) {
			$this->check_interval = 1;
		}

		return $this;
	}

	public function set_text_domain( $text_domain ) {

		$this->text_domain = $text_domain;

		return $this;
	}

	public function set_filter( $filter_string ) {

		$this->filter_string = $filter_string;

		return $this;
	}

	public function set_api_url( $url ) {

		$this->api_url = $url;

		return $this;
	}

	public function set_plugin_screens( $screen ) {

		$this->plugin_screens[] = $screen;

		return $this;
	}

	private function set_stories( $story ) {
		$filter = array( $this->text_domain );
		foreach ( get_option( 'active_plugins' ) as $plugin ) {
			$temp = pathinfo( $plugin );
			if ( ! empty( $temp ) ) {
				$filter[] = trim( $temp['filename'] );
			}
		}

		if ( isset( $this->stories[ $story->id ] ) ) {
			return;
		}
		
		// if start and endtime is set, check current time is inside the timeframe
		if ( ( ! empty( $story->start ) && ! empty( $story->end ) ) && ( intval( $story->start ) > time() || intval( $story->end ) < time() ) ) {
			return;
		}

		if ( empty( array_intersect( $filter, $story->plugins ) ) ) {
			return;
		}

		$this->stories[ $story->id ] = array(
			'id'          => $story->id,
			'title'       => $story->title,
			'description' => $story->description,
			'type'        => $story->type,
			'priority'    => $story->priority,
			'story_link'  => $story->data->story_link,
			'story_image' => $story->data->story_image,
		);
	}

	private function get_stories() {
		$this->data = get_option( $this->text_domain . '__stories_data' );
		$this->data = $this->data == '' ? array() : $this->data;

		$this->last_check = get_option( $this->text_domain . '__stories_last_check' );

		$this->last_check = empty( $this->last_check ) ? 0 : $this->last_check;

		if ( ( $this->check_interval + $this->last_check ) < time() ) {
			$response = wp_remote_get(
				$this->api_url . 'cache/stories.json?nocache=' . time(),
				array(
					'timeout'     => 10,
					'httpversion' => '1.1',
				)
			);

			if ( ! is_wp_error( $response ) && isset( $response['body'] ) && $response['body'] != '' ) {
				
				$response = json_decode( $response['body'] );
				
				if ( ! empty( $response ) ) {
					$this->data = $response;

					update_option( $this->text_domain . '__stories_last_check', time() );
					update_option( $this->text_domain . '__stories_data', $this->data );
				}

				return;
			}
		}
	}
	
	public function show_story_widget() {
		$this->get_stories();

		if ( ! empty( $this->data->error ) ) {

			return;
		}

		if ( empty( $this->data ) ) {

			return;
		}

		$list = array();

		if ( ! empty( $this->filter_string ) ) {

			$list = explode( ',', $this->filter_string );

			foreach ( $list as $idx => $item ) {
				$list[ $idx ] = trim( $item );
			}
			$list = array_filter( $list );
		}

		foreach ( $this->data as $story ) {
			
			if ( ! empty( $list ) && $this->in_blacklist( $story, $list ) ) {
				
				continue;
			}
			
			$this->set_stories( $story );
		}

		if ( empty( $this->stories ) ) {
			return;
		}

		$this->title = ( isset( $this->title ) && ! empty( $this->title ) ? $this->title . ' ' : '' ) . 'Stories';

        wp_add_dashboard_widget('wpmet-stories', $this->title ?? __('Wpmet Stories', 'emailkit'), array($this, 'show'), null, null, 'normal', 'high' );

		// Move our widget to top.
		global $wp_meta_boxes;

		$dashboard = $wp_meta_boxes['dashboard']['normal']['high'];
		$ours      = array(
			'wpmet-stories' => $dashboard['wpmet-stories'],
		);

		$wp_meta_boxes['dashboard']['normal']['high'] = array_merge( $ours, $dashboard );
	}

	public function show() {
		usort(
			$this->stories,
			function ( $a, $b ) {
				if ( $a['priority'] == $b['priority'] ) {
					return 0;
				}
				return ( $a['priority'] < $b['priority'] ) ? -1 : 1;
			}
		);
		
		include_once 'views/utility-story-template.php';
	}

	/**
	 * Crosscheck if Story library will be shown at current WP admin page or not
	 *
	 * @param string $b_screen
	 * @param string $screen_id
	 * 
	 * @return boolean
	 */
	public function is_correct_screen_to_show( $b_screen, $screen_id ) {

		if ( in_array( $b_screen, array( $screen_id, 'all_page' ) ) ) {

			return true;
		}

		if ( $b_screen == 'plugin_page' ) {

			return in_array( $screen_id, $this->plugin_screens );
		}

		return false;
	}

	/**
	 * Define singleton instance
	 *
	 * @var [type]
	 */
	private static $instance;

	public static function instance( $text_domain = '' ) {
	
		if ( ! self::$instance ) {
			self::$instance = new static();            
		}

		return self::$instance->set_text_domain( $text_domain );
	}
}