<?php

namespace WPAdminify\Inc\Modules\GooglePageSpeed;

use WPAdminify\Inc\Modules\PageSpeed_Insight\PageSpeed_Insight;
use WPAdminify\Inc\Admin\AdminSettings;
use WPAdminify\Inc\Utils;

// no direct access allowed
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * WP Adminify
 * Module: Google Pagespeed
 *
 * @author Jewel Theme <support@jeweltheme.com>
 */

if ( ! class_exists( 'GooglePageSpeed' ) ) {

	class GooglePageSpeed {


		public $url;

		public $insight;

		public $options;

		public function __construct() {
			$needed_keys = [ 'google_pagepseed_user_roles', 'google_pagepseed_api_key' ];

			$this->options = (array) array_intersect_key( AdminSettings::get_instance()->get(), array_flip( $needed_keys ) );

			// $this->url = WP_ADMINIFY_URL . 'Inc/Modules/GooglePageSpeed';

			add_action( 'admin_menu', [ $this, 'GooglePageSpeed' ], 47 );

			add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_scripts' ], 100 );

			add_action( 'wp_ajax_adminify_page_speed', [ $this, 'handle_adminify_page_speed' ] );

			add_action( 'init', [ $this, 'maybe_create_tables' ], 0 );
		}

		public function is_module_active() {
			$mopdule_roles = array_filter( (array) $this->options['google_pagepseed_user_roles'] );

			if ( empty( $mopdule_roles ) ) {
				return true;
			}

			$user = wp_get_current_user();

			return ! empty( array_intersect( $mopdule_roles, $user->roles ) );
		}

		/**
		 * Google Pagespeed Menu
		 */
		public function GooglePageSpeed() {
			if ( ! $this->is_module_active() ) {
				return;
			}

			add_submenu_page(
				'wp-adminify-settings',
				esc_html__( 'Google Pagespeed Insights by WP Adminify', 'adminify' ),
				esc_html__( 'Pagespeed Insights', 'adminify' ),
				apply_filters( 'jltwp_adminify_capability', 'manage_options' ),
				'adminify-pagespeed-insights', // Page slug, will be displayed in URL
				[ $this, 'jltwp_adminify_menu_editor_contents' ]
			);
		}

		public function jltwp_adminify_menu_editor_contents() {
			echo '<div class="wrap"><div id="wp-adminify--page-speed-app"></div></div>';
		}

		public function load_insight_class() {
			require_once 'class-pagespeed-insights.php';

			if ( ! ( $this->insight instanceof PageSpeed_Insight ) ) {
				$this->insight = new PageSpeed_Insight( $this->options['google_pagepseed_api_key'] );
			}

			return $this->insight;
		}

		public function handle_adminify_page_speed() {
			check_ajax_referer( '__adminify-page_speed-secirity__' );

			if ( ! empty( $_POST['route'] ) ) {
				$route_handler = 'handle_' . sanitize_text_field( wp_unslash( $_POST['route'] ) );
				if ( is_callable( get_class( $this ), $route_handler ) ) {
					$this->$route_handler( $_POST );
				}
			}

			wp_send_json_error( [ 'message' => __( 'Something is wrong, no route found' ) ], 400 );
		}

		private function _get_analyze_data( $url ) {
			$data = [
				'desktop' => null,
				'mobile'  => null,
			];

			$result = $this->insight->run_insight( $url, [ 'strategy' => 'desktop' ] );
			if ( ! empty( $result ) && $result['responseCode'] == 200 && ! empty( $result['data'] ) ) {
				$data['desktop'] = $result['data'];

				$result_mobile = $this->insight->run_insight( $url, [ 'strategy' => 'mobile' ] );
				if ( ! empty( $result_mobile ) && $result_mobile['responseCode'] == 200 && ! empty( $result_mobile['data'] ) ) {
					$data['mobile'] = $result_mobile['data'];
					return $data;
				}
			}

			return false;
		}

		public function handle_new_analyze( $data ) {
			check_ajax_referer( '__adminify-page_speed-secirity__' );

			if ( empty( $data['url'] ) || ! wp_http_validate_url( $data['url'] ) ) {
				wp_send_json_error( [ 'message' => __( 'Something is wrong, URL is missing or wrong formatted' ) ], 400 );
			}

			set_time_limit( 300 );

			$this->load_insight_class();

			$analyze_data = $this->_get_analyze_data( $data['url'] );

			if ( $analyze_data === false ) {
				wp_send_json_error( [ 'message' => __( 'Couldn\'t fetch the result, Please try again later' ) ], 503 );
			}

			$saved = $this->save_analyze( $analyze_data );

			if ( empty( $saved ) ) {
				wp_send_json_error( [ 'message' => __( 'Couldn\'t save the result, Please try again later' ) ], 500 );
			}

			wp_send_json_success( $saved );
		}

		public function save_analyze( $analyze_data ) {
			$data_desktop  = $analyze_data['desktop'];
			$data_mobile   = $analyze_data['mobile'];
			$url           = $data_desktop->id;
			$score_desktop = $data_desktop->lighthouseResult->categories->performance->score * 100;
			$score_mobile  = $data_mobile->lighthouseResult->categories->performance->score * 100;
			$screenshot    = $data_desktop->lighthouseResult->audits->{'final-screenshot'}->details->data;

			// unset( $data_desktop->lighthouseResult->audits->{'final-screenshot'} );
			// unset( $data_mobile->lighthouseResult->audits->{'final-screenshot'} );

			$data = [
				'url'           => $url,
				'score_desktop' => (int) $score_desktop,
				'score_mobile'  => (int) $score_mobile,
				'data_desktop'  => json_encode( $data_desktop ),
				'data_mobile'   => json_encode( $data_mobile ),
				'screenshot'    => $screenshot,
				'time'          => current_time( 'mysql' ),
			];

			global $wpdb;

			$result = $wpdb->insert(
				"{$wpdb->prefix}adminify_page_speed",
				$data,
				[
					'url'           => '%s',
					'score_desktop' => '%d',
					'score_mobile'  => '%d',
					'data_desktop'  => '%s',
					'data_mobile'   => '%s',
					'screenshot'    => '%s',
					'time'          => '%s',
				]
			);

			if ( empty( $result ) ) {
				return false;
			}

			return $wpdb->insert_id;
		}

		public function handle_count_total( $data ) {
			check_ajax_referer( '__adminify-page_speed-secirity__' );

			global $wpdb;

			$table_name = $wpdb->prefix . 'adminify_page_speed';

			$total_query = "SELECT COUNT(*) FROM $table_name";
			$total       = $wpdb->get_var( $total_query );

			wp_send_json_success( $total );
		}

		public function handle_fetch_histories( $data ) {
			check_ajax_referer( '__adminify-page_speed-secirity__' );

			global $wpdb;

			$table_name     = $wpdb->prefix . 'adminify_page_speed';
			$fields         = 'id, url, score_desktop, score_mobile, time, screenshot';
			$items_per_page = empty( $data['items_per_page'] ) ? 1 : abs( (int) $data['items_per_page'] );
			$page           = empty( $data['page'] ) ? 1 : abs( (int) $data['page'] );
			$offset         = ( $page * $items_per_page ) - $items_per_page;

			$query = "SELECT {$fields} FROM $table_name";

			$total_query = "SELECT COUNT(1) FROM (${query}) AS combined_table";
			$total       = $wpdb->get_var( $total_query );

			$histories = $wpdb->get_results( $query . ' ORDER BY time DESC LIMIT ' . $offset . ', ' . $items_per_page, ARRAY_A );

			foreach ( $histories as &$history ) {
				$history['formated_date'] = date( 'Y-m-d', strtotime( $history['time'] ) );
				$history['formated_time'] = date( 'H:i:s', strtotime( $history['time'] ) );
			}

			wp_send_json_success(
				[
					'total'     => (int) $total,
					'histories' => (array) $histories,
				]
			);
		}

		public function handle_fetch_history( $data ) {
			check_ajax_referer( '__adminify-page_speed-secirity__' );

			if ( empty( $data['id'] ) ) {
				wp_send_json_error( 'Something is wrong, Try again later', 400 );
			}

			global $wpdb;

			$table_name = $wpdb->prefix . 'adminify_page_speed';
			$history_id = $data['id'];
			$fields     = 'id, url, score_desktop, score_mobile, data_desktop, data_mobile, time';

			$history = $wpdb->get_row( $wpdb->prepare( "SELECT {$fields} FROM $table_name WHERE id = %d", $history_id ), ARRAY_A );

			if ( empty( $history ) || $wpdb->last_error !== '' ) {
				wp_send_json_error( $wpdb->last_error, 400 );
			}

			$history['data_desktop'] = json_decode( $history['data_desktop'], true );
			$history['data_mobile']  = json_decode( $history['data_mobile'], true );

			wp_send_json_success(
				[
					'history' => $history,
				]
			);
		}

		public function handle_delete_history() {
			check_ajax_referer( '__adminify-page_speed-secirity__' );

			if ( empty( $_POST['ids'] ) ) {
				wp_send_json_error( 'Something is wrong, Try again later', 400 );
			}

			global $wpdb;

			$ids = implode( ',', array_map( 'absint', $_POST['ids'] ) );
			$wpdb->query( "DELETE FROM {$wpdb->prefix}adminify_page_speed WHERE ID IN($ids)" );

			if ( $wpdb->last_error !== '' ) {
				wp_send_json_error( $wpdb->last_error, 400 );
			}

			wp_send_json_success(
				[
					'message' => 'History has been deleted',
				]
			);
		}

		public function enqueue_scripts() {
			wp_enqueue_style( 'wp-adminify--page-speed', WP_ADMINIFY_URL . 'assets/admin/css/wp-adminify--page-speed.css', [], WP_ADMINIFY_VER );

			$data = [
				'adminurl'   => admin_url(),
				'ajaxurl'    => admin_url( 'admin-ajax.php' ),
				'nonce'      => wp_create_nonce( '__adminify-page_speed-secirity__' ),
				'is_pro'     => wp_validate_boolean( jltwp_adminify()->can_use_premium_code__premium_only() ),
				'pro_notice' => Utils::adminify_upgrade_pro(),
			];

			wp_localize_script( 'wp-adminify--page-speed', 'wp_adminify__pagespeed_data', $data );

			wp_enqueue_script( 'wp-adminify--page-speed' );
		}

		public function maybe_create_tables() {
			global $wpdb;

			// delete_option( "{$wpdb->prefix}adminify_page_speed_db_version" );

			$db_version = '1.0';

			if ( get_option( "{$wpdb->prefix}adminify_page_speed_db_version" ) == $db_version ) {
				return; // vail early
			}

			require_once ABSPATH . 'wp-admin/includes/upgrade.php';

			$sql = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}adminify_page_speed (
            	id BIGINT(20) unsigned NOT NULL AUTO_INCREMENT,
            	url VARCHAR(255) NOT NULL,
            	score_desktop VARCHAR(3) NOT NULL,
            	score_mobile VARCHAR(3) NOT NULL,
            	data_desktop MEDIUMTEXT NOT NULL,
            	data_mobile MEDIUMTEXT NOT NULL,
            	screenshot MEDIUMTEXT NOT NULL,
            	time DATETIME NOT NULL DEFAULT '0000-00-00 00:00:00',
            	PRIMARY KEY (id)
            )" . $wpdb->get_charset_collate() . ';';

			if ( get_option( "{$wpdb->prefix}adminify_page_speed_db_version" ) < $db_version ) {
				dbDelta( $sql );
			}

			update_option( "{$wpdb->prefix}adminify_page_speed_db_version", $db_version );
		}
	}
}