<?php

// Preventing to direct access
defined( 'ABSPATH' ) OR die( 'Direct access not acceptable!' );

if ( ! class_exists( 'WWS_Analytics' ) ) :

    /**
     * Plugin public analytics report
     * @package WeCreativez/Classes
     * @since 1.4
     */
    class WWS_Analytics {

        public function __construct() {

            add_action( "wp_ajax_wws_click_analytics", array( $this, 'click_analytics' ) );
            add_action( "wp_ajax_nopriv_wws_click_analytics", array( $this, 'click_analytics' ) );

            add_action( "wp_ajax_wws_analytics_deep_report", array( $this, 'analytics_deep_report' ) );
            add_action( "wp_ajax_nopriv_wws_analytics_deep_report", array( $this, 'analytics_deep_report' ) );

            add_action( 'admin_init', array( $this, 'delete_complete_analytics' ) );
            add_action( 'admin_init', array( $this, 'delete_analytics' ) );

        }


        public function delete_complete_analytics() {
            if ( ! isset( $_GET['wws_delete_complete_analytics'] ) || ! wp_verify_nonce( $_GET['_wpnonce'] ) ) {
                return;
            }

            if ( ! is_admin() ) {
                return;
            }

            $this->_delete_all_analytics();

            wp_redirect( admin_url( 'admin.php?page=wc-whatsapp-support-analytics' ) );


        }

        public function delete_analytics() {

            if ( ! isset( $_GET['wws_delete_analytics'] ) ) {
                return;
            }

            if ( ! is_admin() ) {
                return;
            }
            
            global $wpdb;
            
            $wws_analytics_table = $wpdb->prefix.'wws_analytics';
            
            $wpdb->delete( $wws_analytics_table, array( 'ID' => $_GET['wws_delete_analytics'] ), array( '%d' ) );

            wp_redirect( wp_get_referer() );
            exit;
        }


        public function click_analytics() {
            global $wpdb;
            check_ajax_referer( 'wws-security-token', 'security' );
            
            $click_analytics = apply_filters( 'wws_click_analytics', array( 
                'visitor_ip'    => sanitize_text_field( $this->_get_current_ip() ),
                'number'        => ( isset( $_POST['number'] ) ? sanitize_text_field( $_POST['number'] ) : 'N/A' ),
                'message'       => ( isset( $_POST['message'] ) ? sanitize_text_field( $_POST['message'] ) : 'N/A' ),
                'through'       => ( isset( $_POST['through'] ) ? sanitize_text_field( $_POST['through'] ) : 'N/A' ),
                'referral'      => esc_url_raw( $this->_get_current_url() ),
                'device_type'   => ( wp_is_mobile() == true ? 'Mobile' : 'Desktop' ),
                'os'            => sanitize_text_field( $this->_getOS() ),
                'browser'       => sanitize_text_field( $this->getBrowser() ),
                'date'          => current_time('M d, y - H:i:s'),
                'timestamp'     => time(),
            ) );

            do_action( 'wws_before_click_analytics', $click_analytics );

            $wpdb->insert( 
                $wpdb->prefix.'wws_analytics', 
                $click_analytics
            );

            do_action( 'wws_after_click_analytics', $click_analytics );

            wp_die();
        }

        public function analytics_deep_report() {

            if ( ! is_admin() ) {
                return;
            }

            $ip = $_GET['ip'];

            $ip_data = maybe_unserialize( file_get_contents( "http://ip-api.com/php/$ip" ) );

            $ip_city            = isset( $ip_data['city'] ) ? $ip_data['city'] : '';
            $ip_region          = isset( $ip_data['regionName'] ) ? $ip_data['regionName'] : '';
            $ip_country         = isset( $ip_data['country'] ) ? $ip_data['country'] : '';
            $ip_zip             = isset( $ip_data['zip'] ) ? $ip_data['zip'] : '';

            $ip_lon             = isset( $ip_data['lon'] ) ? $ip_data['lon'] : '';
            $ip_lat             = isset( $ip_data['lat'] ) ? $ip_data['lat'] : '';

            $ip_org             = isset( $ip_data['org'] ) ? $ip_data['org'] : '';
            $ip_as              = isset( $ip_data['as'] ) ? $ip_data['as'] : '';
            $ip_isp             = isset( $ip_data['isp'] ) ? $ip_data['isp'] : '';

            $ip_timezone    = isset( $ip_data['timezone'] ) ? $ip_data['timezone'] : '';


            require_once WWS_PLUGIN_PATH . 'includes/admin/views/analytics/admin-deep-analytics.php';

            wp_die();
        }


        protected function _get_current_url() {
            return wp_get_referer();
        }


        protected function _get_current_ip() {
            if ( isset( $_SERVER['HTTP_CLIENT_IP'] ) ) {
                //check ip from share internet
                $ip = $_SERVER['HTTP_CLIENT_IP'];
            } elseif ( isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
                //to check ip is pass from proxy
                $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
            } else {
                $ip = $_SERVER['REMOTE_ADDR'];
            }
            return $ip;
        }


        protected function _getOS() {
                $os_platform  = "Unknown OS Platform";

                $os_array     = array(
                    '/windows nt 10/i'      =>  'Windows 10',
                    '/windows nt 6.3/i'     =>  'Windows 8.1',
                    '/windows nt 6.2/i'     =>  'Windows 8',
                    '/windows nt 6.1/i'     =>  'Windows 7',
                    '/windows nt 6.0/i'     =>  'Windows Vista',
                    '/windows nt 5.2/i'     =>  'Windows Server 2003/XP x64',
                    '/windows nt 5.1/i'     =>  'Windows XP',
                    '/windows xp/i'         =>  'Windows XP',
                    '/windows nt 5.0/i'     =>  'Windows 2000',
                    '/windows me/i'         =>  'Windows ME',
                    '/win98/i'              =>  'Windows 98',
                    '/win95/i'              =>  'Windows 95',
                    '/win16/i'              =>  'Windows 3.11',
                    '/macintosh|mac os x/i' =>  'Mac OS X',
                    '/mac_powerpc/i'        =>  'Mac OS 9',
                    '/linux/i'              =>  'Linux',
                    '/ubuntu/i'             =>  'Ubuntu',
                    '/iphone/i'             =>  'iPhone',
                    '/ipod/i'               =>  'iPod',
                    '/ipad/i'               =>  'iPad',
                    '/android/i'            =>  'Android',
                    '/blackberry/i'         =>  'BlackBerry',
                    '/webos/i'              =>  'Mobile'
                );

                foreach ($os_array as $regex => $value)
                    if (preg_match($regex, $_SERVER['HTTP_USER_AGENT']))
                        $os_platform = $value;

                return $os_platform;
        }


        protected function getBrowser(){
            $user_agent = $_SERVER['HTTP_USER_AGENT'];
            if(strpos($user_agent, 'Maxthon') !== FALSE)
                return "Maxthon";
            elseif(strpos($user_agent, 'SeaMonkey') !== FALSE)
                return "SeaMonkey";
            elseif(strpos($user_agent, 'Vivaldi') !== FALSE)
                return "Vivaldi";
            elseif(strpos($user_agent, 'Arora') !== FALSE)
                return "Arora";
            elseif(strpos($user_agent, 'Avant Browser') !== FALSE)
                return "Avant Browser";
            elseif(strpos($user_agent, 'Beamrise') !== FALSE)
                return "Beamrise";
            elseif(strpos($user_agent, 'Epiphany') !== FALSE)
                return 'Epiphany';
            elseif(strpos($user_agent, 'Chromium') !== FALSE)
                return 'Chromium';
            elseif(strpos($user_agent, 'Iceweasel') !== FALSE)
                return 'Iceweasel';
            elseif(strpos($user_agent, 'Galeon') !== FALSE)
                return 'Galeon';
            elseif(strpos($user_agent, 'Edge') !== FALSE)
                return 'Microsoft Edge';
            elseif(strpos($user_agent, 'Trident') !== FALSE) //IE 11
                return 'Internet Explorer';
            elseif(strpos($user_agent, 'MSIE') !== FALSE)
                return 'Internet Explorer';
            elseif(strpos($user_agent, 'Opera Mini') !== FALSE)
                return "Opera Mini";
            elseif(strpos($user_agent, 'Opera') || strpos($user_agent, 'OPR') !== FALSE)
                return "Opera";
            elseif(strpos($user_agent, 'Firefox') !== FALSE)
                return 'Mozilla Firefox';
            elseif(strpos($user_agent, 'Chrome') !== FALSE)
                return 'Google Chrome';
            elseif(strpos($user_agent, 'Safari') !== FALSE)
                return "Safari";
            elseif(strpos($user_agent, 'iTunes') !== FALSE)
                return 'iTunes';
            elseif(strpos($user_agent, 'Konqueror') !== FALSE)
                return 'Konqueror';
            elseif(strpos($user_agent, 'Dillo') !== FALSE)
                return 'Dillo';
            elseif(strpos($user_agent, 'Netscape') !== FALSE)
                return 'Netscape';
            elseif(strpos($user_agent, 'Midori') !== FALSE)
                return 'Midori';
            elseif(strpos($user_agent, 'ELinks') !== FALSE)
                return 'ELinks';
            elseif(strpos($user_agent, 'Links') !== FALSE)
                return 'Links';
            elseif(strpos($user_agent, 'Lynx') !== FALSE)
                return 'Lynx';
            elseif(strpos($user_agent, 'w3m') !== FALSE)
                return 'w3m';
            else
                return 'Unknown';
        }


        public static function get_complete_analytics( $order = 'DESC' ) {
            global $wpdb;
            $wws_analytics_table = $wpdb->prefix.'wws_analytics';
            return $wpdb->get_results( "SELECT * FROM {$wws_analytics_table} ORDER BY id $order", ARRAY_A );
        }

        public static function get_total_clicks() {
            global $wpdb;
            $wws_analytics_table = $wpdb->prefix.'wws_analytics';
            return count( $wpdb->get_results( "SELECT id FROM {$wws_analytics_table}", ARRAY_A ) );
        }

        public static function get_total_clicks_by_mobile() {
            global $wpdb;
            $wws_analytics_table = $wpdb->prefix.'wws_analytics';
            return count( $wpdb->get_results( "SELECT id FROM {$wws_analytics_table} WHERE device_type = 'Mobile'", ARRAY_A ) );
        }

        public static function get_total_clicks_by_desktop() {
            global $wpdb;
            $wws_analytics_table = $wpdb->prefix.'wws_analytics';
            return count( $wpdb->get_results( "SELECT id FROM {$wws_analytics_table} WHERE device_type = 'Desktop'", ARRAY_A ) );
        }

        /**
         * Display top 10 IP address analytic.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return string
         */
        public static function the_top_ten_ip_address() {
            global $wpdb;

            $html = '';

            $query = $wpdb->get_results( 
                "SELECT COUNT( visitor_ip ) as count, visitor_ip 
                FROM {$wpdb->prefix}wws_analytics 
                GROUP BY visitor_ip 
                ORDER BY count DESC 
                LIMIT 10",
                ARRAY_A 
            );

            if ( ! $query ) {
                return false;
            }

            $html .= '<table>';
            $html .= '<thead>';
            $html .= '<tr>';
            $html .= '<th>' . esc_html__( 'IP Address', 'wc-wws' ) . '</th>';
            $html .= '<th>' . esc_html__( 'Clicks', 'wc-wws' ) . '</th>';
            $html .= '</tr>';
            $html .= '</thead>';
            $html .= '<tbody>';
            
            foreach ( $query as $q ) {
                $html .= '<tr>';
                $html .= '<td>' . esc_html( $q['visitor_ip'] ) . '</td>';
                $html .= '<td>' . esc_html( $q['count'] ) . '</td>';
                $html .= '</tr>';
            }
            
            $html .= '</tbody>';
            $html .= '</table>';

            echo $html;
        }
        /**
         * Display top 10 referral links analytic.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return string
         */
        public static function the_top_ten_referral_links() {
            global $wpdb;

            $html = '';

            $query = $wpdb->get_results( 
                "SELECT COUNT( referral ) as count, referral 
                FROM {$wpdb->prefix}wws_analytics 
                WHERE 
                    referral != '' 
                GROUP BY referral 
                ORDER BY count DESC 
                LIMIT 10",
                ARRAY_A 
            );

            if ( ! $query ) {
                return false;
            }

            $html .= '<table>';
            $html .= '<thead>';
            $html .= '<tr>';
            $html .= '<th>' . esc_html__( 'Referral Links', 'wc-wws' ) . '</th>';
            $html .= '<th>' . esc_html__( 'Clicks', 'wc-wws' ) . '</th>';
            $html .= '</tr>';
            $html .= '</thead>';
            $html .= '<tbody>';
            
            foreach ( $query as $q ) {
                $html .= '<tr>';
                $html .= '<td><a href="' . esc_url( $q['referral'] ) . '" target="_blank">' . esc_url( $q['referral'] ) . '</a></td>';
                $html .= '<td>' . esc_html( $q['count'] ) . '</td>';
                $html .= '</tr>';
            }
            
            $html .= '</tbody>';
            $html .= '</table>';

            echo $html;
        }

        /**
         * Display top 10 operating systems analytic.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return string
         */
        public static function the_top_ten_operating_systems() {
            global $wpdb;

            $html = '';

            $query = $wpdb->get_results( 
                "SELECT COUNT( os ) as count, os
                FROM {$wpdb->prefix}wws_analytics
                GROUP BY os
                ORDER BY count DESC
                LIMIT 10",
                ARRAY_A 
            );

            if ( ! $query ) {
                return false;
            }

            $html .= '<table>';
            $html .= '<thead>';
            $html .= '<tr>';
            $html .= '<th>' . esc_html__( 'Operating Systems', 'wc-wws' ) . '</th>';
            $html .= '<th>' . esc_html__( 'Clicks', 'wc-wws' ) . '</th>';
            $html .= '</tr>';
            $html .= '</thead>';
            $html .= '<tbody>';
            
            foreach ( $query as $q ) {
                $html .= '<tr>';
                $html .= '<td>' . esc_html( $q['os'] ) . '</td>';
                $html .= '<td>' . esc_html( $q['count'] ) . '</td>';
                $html .= '</tr>';
            }
            
            $html .= '</tbody>';
            $html .= '</table>';

            echo $html;
        }

        /**
         * Display top 10 browsers analytic.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return string
         */
        public static function the_top_ten_browsers() {
            global $wpdb;

            $html = '';

            $query = $wpdb->get_results( 
                "SELECT COUNT( browser ) as count, browser
                FROM {$wpdb->prefix}wws_analytics
                GROUP BY browser
                ORDER BY count DESC
                LIMIT 10",
                ARRAY_A 
            );

            if ( ! $query ) {
                return false;
            }

            $html .= '<table>';
            $html .= '<thead>';
            $html .= '<tr>';
            $html .= '<th>' . esc_html__( 'Browsers', 'wc-wws' ) . '</th>';
            $html .= '<th>' . esc_html__( 'Clicks', 'wc-wws' ) . '</th>';
            $html .= '</tr>';
            $html .= '</thead>';
            $html .= '<tbody>';
            
            foreach ( $query as $q ) {
                $html .= '<tr>';
                $html .= '<td>' . esc_html( $q['browser'] ) . '</td>';
                $html .= '<td>' . esc_html( $q['count'] ) . '</td>';
                $html .= '</tr>';
            }
            
            $html .= '</tbody>';
            $html .= '</table>';

            echo $html;
        }

        /**
         * Get current month analytics in chart format.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return void
         */
        public static function get_current_month_chart_data() {
            global $wpdb;

            // Numeric representation of a month, without leading zeros
            $current_month = current_time( 'n' );
            // A two digit representation of a year
            $current_year  = current_time( 'y' );
            // Calculate days in a month
            $days_in_month = cal_days_in_month( CAL_GREGORIAN, $current_month, $current_year );

            $db_days      = array();
            $days         = array();
            $default_days = array( 
                1  => 0, 2  => 0, 3  => 0, 4  => 0, 5  => 0, 
                6  => 0, 7  => 0, 8  => 0, 9  => 0, 10 => 0, 
                11 => 0, 12 => 0, 13 => 0, 14 => 0, 15 => 0, 
                16 => 0, 17 => 0, 18 => 0, 19 => 0, 20 => 0, 
                21 => 0, 22 => 0, 23 => 0, 24 => 0, 25 => 0, 
                26 => 0, 27 => 0, 28 => 0,
            );

            if ( $days_in_month > 28 ) {
                $default_days[29] = 0;
            }
            if ( $days_in_month > 29 ) {
                $default_days[30] = 0;
            }
            if ( $days_in_month > 30 ) {
                $default_days[31] = 0;
            }

            $query = $wpdb->get_results(
                $wpdb->prepare(
                    "SELECT 
                        DAY( FROM_UNIXTIME( timestamp ) ) as day, 
                        COUNT( DAY( FROM_UNIXTIME( timestamp ) ) ) as day_count
                    FROM {$wpdb->prefix}wws_analytics
                    WHERE 
                        timestamp != '' && 
                        MONTH( FROM_UNIXTIME( timestamp ) ) = %d 
                    GROUP BY 
                        DAY( FROM_UNIXTIME( timestamp ) )
                    ORDER BY
                        day ASC",
                    $current_month
                ),
                ARRAY_A
            );

            foreach ( $query as $q ) {
               $db_days[ $q['day'] ] = $q['day_count'];
            }

            foreach ( $default_days as $dd_key => $dd_val ) {
                if ( isset( $db_days[ $dd_key ] ) ) {
                    $days['days'][]   = $db_days[ $dd_key ];
                } else {
                    $days['days'][] = $dd_val;
                }

                $days['labels'][] = sprintf( '%s %s, %s', current_time( 'M' ), $dd_key, $current_year );
            }
            
            return $days;
        }

        /**
         * Get today click counts.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return void
         */
        public static function get_today_click_count() {
            global $wpdb;

            $current_day = current_time( 'j' );

            $query = $wpdb->get_var( 
                $wpdb->prepare(
                    "SELECT COUNT( id ) 
                    FROM {$wpdb->prefix}wws_analytics
                    WHERE DAY( FROM_UNIXTIME( timestamp ) ) = %d",
                    $current_day
                )
            );

            return $query ? $query : 0;
        }

        /**
         * Get week ( Last seven days ) click count.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return void
         */
        public static function get_last_week_click_count() {
            global $wpdb;

            $current_time    = current_time( 'U' );
            $last_week_time  = $current_time - ( 7 * 24 * 60 * 60 );

            $query = $wpdb->get_var( 
                $wpdb->prepare(
                    "SELECT COUNT( id ) as count
                    FROM {$wpdb->prefix}wws_analytics 
                    WHERE timestamp BETWEEN '%s' AND '%s'
                    AND timestamp != ''",
                    $last_week_time,
                    $current_time
                )
            );

            return $query ? $query : 0;
        }

        /**
         * Get month ( Last 31 days ) click count.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @since 2.0.0
         * @return void
         */
        public static function get_last_month_click_count() {
            global $wpdb;

            $current_time    = current_time( 'U' );
            $last_month_time = $current_time - ( 31 * 24 * 60 * 60 );

            $query = $wpdb->get_var( 
                $wpdb->prepare(
                    "SELECT COUNT( id ) as count
                    FROM {$wpdb->prefix}wws_analytics 
                    WHERE timestamp BETWEEN '%s' AND '%s'
                    AND timestamp != ''",
                    $last_month_time,
                    $current_time
                )
            );

            return $query ? $query : 0;
        }

        /**
         * Get recent contact number details.
         * 
         * @global $wpdb    WordPress database connection.
         * 
         * @param int $limit
         * 
         * @since 2.0.0
         * @return void
         */
        public static function get_recent_contact_numbers( $limit = 10 ) {
            global $wpdb;

            $query = $wpdb->get_results(
                $wpdb->prepare(
                    "SELECT visitor_ip, number, date
                    FROM {$wpdb->prefix}wws_analytics
                    WHERE number != 'N/A'
                    ORDER BY id DESC
                    LIMIT %d",
                    $limit
                ), 
                ARRAY_A
            );

            return $query;
        }
 
        private function _delete_all_analytics() {
            global $wpdb;

            $wws_analytics_table = $wpdb->prefix.'wws_analytics';

            $wpdb->query( "TRUNCATE {$wws_analytics_table}" );

        }


    } // .WWS_Analytics

    $wws_analytics = new WWS_Analytics;

endif;