<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Dashboard_statistics_model extends CI_Model{

    public function __construct() {
        parent::__construct();
    }

	public function get_refresh_token(){
        $this->db->select('oauth_code_id, refresh_token, access_token, access_token_expiration');
        $this->db->where('status', 1);
        $result = $this->db->get('event_dashboard_gaoauth_code');
        if($result->num_rows() > 0){
            return (array) $result->row();
        }
        return false;
    }

    public function update_access_token($oauth_code_id, $data){
        $this->db->where('oauth_code_id', $oauth_code_id);
        $this->db->update('event_dashboard_gaoauth_code', $data);
        return $this->db->affected_rows();
    }

    public function save_new_oauth_code($data){
       //set previuos oauth code to obsolete
        $this->db->where('status', 1);
        $this->db->update('event_dashboard_gaoauth_code', array('status' => 0));

        //and save the new oauth code
        $this->db->insert('event_dashboard_gaoauth_code', $data);
        return $this->db->insert_id();
    }

    public function gsignout_by_user($user_id){
        $this->db->where('user_id', $user_id);
        $this->db->where('status', 1);
        $this->db->update('event_dashboard_gaoauth_code', array("status" => 0));
        return $this->db->affected_rows();
    }


    private function check_ga_date($date){
        $d = DateTime::createFromFormat('d-m-Y', $date);
        $is_date = $d && $d->format('d-m-Y') === $date;
        if (!$is_date) {
            $d2 = DateTime::createFromFormat('Y-m-d', $date);
            $is_date = $d && $d->format('Y-m-d') === $date;
        }

        $days = '-0';

        if ($is_date) {
            return date('Y-m-d', strtotime($date));
        }
        if (!$is_date) {
            $n_date = strtolower($date);
            if ($n_date == 'start_date') {
                return date('2015-01-01');
            }
            if ($n_date == 'end_date') {
                return date('Y-m-d');
            }
            switch ($n_date) {
                case 'today':
                    $days = '-0';
                    break;
                case 'yesterday':
                    $days = '-1';
                    break;
                case '7daysago':
                    $days = '-7';
                    break;
                case '30daysago':
                    $days = '-30';
                    break;
            }
            return date('Y-m-d', strtotime("$days days"));
        }
    }

    public function get_dashboard_table_data($category, $start_date, $end_date){

        // check start date
        $start_date = $this->check_ga_date($start_date);
        // // check end date
        $end_date = $this->check_ga_date($end_date);

        /**
        * y0 = number of registrations yearly
        * y1 = number of events yearly
        * y2 = number of reservations done per subscriber
        * y3 = number of reservations
        * y4 = total number of places reserved
        * y5 = total number of places cancelled
        */
        // $start_year
        $cur_date = date("Y-m-d");
        $cur_year = date("Y");
        $prev_year = date("Y",strtotime("-1 year"));

        // compute date differences
        $date1 = new DateTime($start_date);
        $date2 = new DateTime($end_date);

        $date_1 = $date1->format('Y-m-d');
        $date_2 = $date2->format('Y-m-d');

        $y_date_1 = $date1->format('Y');
        $y_date_2 = $date2->format('Y');

        $interval = ($date1->diff($date2))->format('%a Derniers Jours');
        if ($cur_date == $end_date && $interval <= 30) {
            $diff = $interval;
        } else {
            $diff = ($date1)->format('M d').' - '.($date2)->format('M d');
        }
        // if (condition) {
        //     // code...
        // }

        switch ($category) {
            case 'filtered_browsers':
                $query = "SELECT DATE_FORMAT(vis_rdate, '%Y') year, SUM(vis_rdata) vis_rdata, br_rtype rtype
                FROM ga_visitors
                WHERE br_rtype != 'UNDEFINED' AND
                DATE_FORMAT(vis_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(vis_rdate, '%Y-%m-%d') <= '$end_date'
                GROUP BY br_rtype
                ORDER BY SUM(vis_rdata) DESC, vis_rdate DESC";
                break;
            case 'filtered_devices':
                $query = "SELECT DATE_FORMAT(vis_rdate, '%Y') year, SUM(vis_rdata) vis_rdata, dv_rtype rtype
                FROM ga_visitors
                WHERE dv_rtype != 'UNDEFINED' AND
                DATE_FORMAT(vis_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(vis_rdate, '%Y-%m-%d') <= '$end_date'
                GROUP BY dv_rtype
                ORDER BY SUM(vis_rdata) DESC, vis_rdate DESC";
                break;
            case 'filtered_url_clicks':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction , DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'click' AND gev_raction NOT LIKE '%javascript:%' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date'
                GROUP BY gev_raction
                ORDER BY gev_rdata DESC";
                break;

            case 'filtered_contact_cat':
                $query = "SELECT COUNT(c_id) clicks, c_category, DATE_FORMAT(c_date_sent, '%Y') year
                    FROM contact_email
                    WHERE
                    DATE_FORMAT(c_date_sent, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(c_date_sent, '%Y-%m-%d') <= '$end_date'
                    GROUP BY c_category
                    ORDER BY COUNT(c_id) DESC, DATE_FORMAT(c_date_sent, '%Y') DESC";
                break;

            case 'yearly_browsers':
                $query = "SELECT DATE_FORMAT(vis_rdate, '%Y') year, SUM(vis_rdata) vis_rdata, br_rtype rtype
                FROM ga_visitors
                WHERE br_rtype != 'UNDEFINED'
                GROUP BY DATE_FORMAT(vis_rdate, '%Y'), br_rtype
                ORDER BY SUM(vis_rdata) DESC, vis_rdate DESC";
                break;
            case 'yearly_devices':
                $query = "SELECT DATE_FORMAT(vis_rdate, '%Y') year, SUM(vis_rdata) vis_rdata, dv_rtype rtype
                FROM ga_visitors
                WHERE dv_rtype != 'UNDEFINED'
                GROUP BY DATE_FORMAT(vis_rdate, '%Y'), dv_rtype
                ORDER BY SUM(vis_rdata) DESC, vis_rdate DESC";
                break;
            case 'yearly_url_clicks':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction , DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'click' AND gev_raction NOT LIKE '%javascript:%'
                GROUP BY gev_raction, DATE_FORMAT(gev_rdate, '%Y')
                ORDER BY gev_rdata DESC";
                break;

            case 'yearly_contact_cat':
                $query = "SELECT COUNT(c_id) clicks, c_category, DATE_FORMAT(c_date_sent, '%Y') year
                    FROM contact_email
                    GROUP BY c_category, DATE_FORMAT(c_date_sent, '%Y')
                    ORDER BY DATE_FORMAT(c_date_sent, '%Y') DESC";
                break;
            case 'yearly_fevents':
                $query = "SELECT DATE_FORMAT(e.date_created, '%Y') data_year, COUNT(e.event_id) value,
                    (CASE
                        -- coming soon
                        WHEN e.back_office_status = 1 THEN 'Prochainement'
                        -- being created
                        WHEN e.back_office_status = 0 THEN 'En Cours'
                        -- complete
                        WHEN ((e.back_office_status = 2 OR e.back_office_status = 3) AND e.event_status ='FULL'
                            AND (CASE
                            WHEN e.remaining_combined_seat >=0 )
                        THEN 'Complets'
                        -- terminee
                        WHEN e.back_office_status = 7 THEN 'Terminés'

                        -- passe
                        WHEN e.back_office_status = 4 THEN 'Passés'
                        -- archived
                        WHEN e.back_office_status = 5 THEN 'Archivés'
                    END) bostat
                    FROM event e
                    WHERE DATE_FORMAT(e.date_created, '%Y') != 0
                    GROUP BY e.back_office_status, DATE_FORMAT(e.date_created, '%Y')
                    ORDER BY e.date_created DESC, e.back_office_status DESC";
                break;
            case 'f_fevents':
                $query = "SELECT DATE_FORMAT(e.date_created, '%Y') data_year, COUNT(e.event_id) value,
                    (CASE
                        -- coming soon
                        WHEN e.back_office_status = 1 THEN 'Prochainement'
                        -- being created
                        WHEN e.back_office_status = 0 THEN 'En Cours'
                        -- complete
                        WHEN ((e.back_office_status = 2 OR e.back_office_status = 3) AND e.event_status ='FULL'
                            AND e.remaining_combined_seat >=0 )
                        THEN 'Complets'
                        -- terminee
                        WHEN e.back_office_status = 7 THEN 'Terminés'

                        -- passe
                        WHEN e.back_office_status = 4 THEN 'Passés'
                        -- archived
                        WHEN e.back_office_status = 5 THEN 'Archivés'
                    END) bostat
                    FROM event e
                    WHERE DATE_FORMAT(e.date_created, '%Y') != 0 AND
                    DATE_FORMAT(e.date_created, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(e.date_created, '%Y-%m-%d') <= '$end_date'
                    GROUP BY e.back_office_status
                    ORDER BY e.date_created DESC, e.back_office_status DESC";
                break;
            // Recherches Internes
            case 'yearly_s_evtype':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel,
                    (SELECT event_type FROM event_type WHERE event_type_id = gev_raction) label
                , DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'fo_filter' AND gev_rdatalabel = 'filter-type'
                GROUP BY gev_raction, gev_rdatalabel, DATE_FORMAT(gev_rdate, '%Y')
                ORDER BY DATE_FORMAT(gev_rdate, '%Y') DESC, SUM(gev_rdata) DESC";
            break;
            case 'f_s_evtype':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel,
                    (SELECT event_type FROM event_type WHERE event_type_id = gev_raction) label
                , DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'fo_filter' AND gev_rdatalabel = 'filter-type' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date'
                GROUP BY gev_raction, gev_rdatalabel
                ORDER BY SUM(gev_rdata) DESC";
            break;
            case 'yearly_s_month':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel, DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'fo_filter' AND gev_rdatalabel = 'filter-month'
                GROUP BY gev_raction, gev_rdatalabel, DATE_FORMAT(gev_rdate, '%Y')
                ORDER BY DATE_FORMAT(gev_rdate, '%Y') DESC, SUM(gev_rdata) DESC";
            break;
            case 'f_s_month':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel, DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'fo_filter' AND gev_rdatalabel = 'filter-month' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date'
                GROUP BY gev_raction, gev_rdatalabel
                ORDER BY SUM(gev_rdata) DESC";
            break;
            case 'yearly_s_city':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel,
                    (SELECT city FROM event_city_location WHERE city_location_id = gev_raction) label
                , DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'fo_filter' AND gev_rdatalabel = 'filter-city'
                GROUP BY gev_raction, gev_rdatalabel, DATE_FORMAT(gev_rdate, '%Y')
                ORDER BY DATE_FORMAT(gev_rdate, '%Y') DESC, SUM(gev_rdata) DESC";
            break;
            case 'f_s_city':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel,
                    (SELECT city FROM event_city_location WHERE city_location_id = gev_raction) label
                , DATE_FORMAT(gev_rdate, '%Y') year
                FROM ga_events
                WHERE gev_rcategory = 'fo_filter' AND gev_rdatalabel = 'filter-city' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date'
                GROUP BY gev_raction, gev_rdatalabel
                ORDER BY DATE_FORMAT(gev_rdate, '%Y') DESC, SUM(gev_rdata) DESC";
            break;

            case 'yearly_faq_search':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction,
                    DATE_FORMAT(gev_rdate, '%Y') year
                    FROM ga_events
                    WHERE gev_rcategory = 'faq_search'
                    AND
                    gev_raction !='undefined'
                    GROUP BY gev_raction, DATE_FORMAT(gev_rdate, '%Y')
                    ORDER BY DATE_FORMAT(gev_rdate, '%Y') DESC, SUM(gev_rdata) DESC";
                break;
            case 'f_faq_search':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction,
                    DATE_FORMAT(gev_rdate, '%Y') year
                    FROM ga_events
                    WHERE gev_rcategory = 'faq_search'
                    AND
                    gev_raction !='undefined' AND
                    DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date'
                    GROUP BY gev_raction
                    ORDER BY DATE_FORMAT(gev_rdate, '%Y') DESC, SUM(gev_rdata) DESC";
                break;

            case 'yearly_source_mediums':
                $query = "SELECT SUM(gsm_rdata) gsm_rdata, gsm_rsource, gsm_rsourcem, gsm_rchannelgroup, DATE_FORMAT(gsm_rdate, '%Y') year
                FROM ga_source_mediums
                GROUP BY gsm_rsource, gsm_rsourcem, gsm_rchannelgroup, DATE_FORMAT(gsm_rdate, '%Y')
                ORDER BY DATE_FORMAT(gsm_rdate, '%Y') DESC, SUM(gsm_rdata) DESC";
                break;
            case 'f_source_mediums':
                $query = "SELECT SUM(gsm_rdata) gsm_rdata, gsm_rsource, gsm_rsourcem, gsm_rchannelgroup, DATE_FORMAT(gsm_rdate, '%Y') year
                FROM ga_source_mediums
                WHERE
                DATE_FORMAT(gsm_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(gsm_rdate, '%Y-%m-%d') <= '$end_date'
                GROUP BY gsm_rsource, gsm_rsourcem, gsm_rchannelgroup
                ORDER BY DATE_FORMAT(gsm_rdate, '%Y') DESC, SUM(gsm_rdata) DESC";
                break;

            case 'url_clicks':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction ,gev_rdate
                    FROM ga_events
                    WHERE gev_rcategory = 'click' AND gev_raction NOT LIKE '%javascript:%' AND gev_raction != 'undefined' AND
                    DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date'
                    GROUP BY gev_raction
                    ORDER BY SUM(gev_rdata) DESC LIMIT 12";
                break;

            case 'y_contact':
                $query = "SELECT COUNT(c_id) value, DATE_FORMAT(c_date_sent, '%Y') data_year
                    FROM contact_email
                    GROUP BY DATE_FORMAT(c_date_sent, '%Y')
                    ORDER BY data_year DESC";
                break;

            case 'contact_cat':
                $query = "SELECT COUNT(c_id) value, c_category
                    FROM contact_email
                    WHERE
                    DATE_FORMAT(c_date_sent, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(c_date_sent, '%Y-%m-%d') <= '$end_date'
                    GROUP BY c_category
                    ORDER BY DATE_FORMAT(c_date_sent, '%Y') DESC";
                break;

            // Nombre d'inscriptions (Nouveau qui a confirmé son formulaire de première inscription)
            case 'y0':
                $query = "SELECT DATE_FORMAT(subscription_date, '%Y') data_year, COUNT(subscriber_id) value
                    FROM user_subscriber
                    WHERE DATE_FORMAT(subscription_date, '%Y') != 0
                    GROUP BY DATE_FORMAT(subscription_date, '%Y')
                    ORDER BY DATE_FORMAT(subscription_date, '%Y') DESC";
                break;
            case 'f_y0':
                $query = "SELECT DATE_FORMAT(subscription_date, '%Y') data_year, COUNT(subscriber_id) value
                    FROM user_subscriber
                    WHERE DATE_FORMAT(subscription_date, '%Y') != 0 AND
                    DATE_FORMAT(subscription_date, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(subscription_date, '%Y-%m-%d') <= '$end_date'";
                break;
            case 'y1':
                $query = "SELECT DATE_FORMAT(date_created, '%Y') data_year, COUNT(event_id) value
                    FROM event
                    WHERE DATE_FORMAT(date_created, '%Y') != 0 AND back_office_status != 6
                    GROUP BY DATE_FORMAT(date_created, '%Y')
                    ORDER BY DATE_FORMAT(date_created, '%Y') DESC";
                break;
            case 'f_y1':
                $query = "SELECT 'Total Période' data_year, COUNT(event_id) value
                    FROM event
                    WHERE DATE_FORMAT(date_created, '%Y') != 0 AND
                    DATE_FORMAT(date_created, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(date_created, '%Y-%m-%d') <= '$end_date'
                    AND back_office_status != 6";
                break;

            // Nombre de réservations effectuées (par abonnés)
            case 'y2':
                $query = "SELECT DATE_FORMAT(date_time, '%Y') data_year,
                	COUNT(subscriber) subs_count,
                	((SUM(number_of_guest)+1)/COUNT(subscriber)) value
                   FROM event_registration
                   WHERE status = 1 AND DATE_FORMAT(date_time, '%Y') != 0
                   GROUP BY DATE_FORMAT(date_time, '%Y')
                   ORDER BY DATE_FORMAT(date_time, '%Y') DESC";
                break;
            case 'f_y2':
                $query = "SELECT 'Total Période' data_year,
                	COUNT(subscriber) subs_count,
                	((SUM(number_of_guest)+1)/COUNT(subscriber)) value
                   FROM event_registration
                   WHERE status = 1 AND DATE_FORMAT(date_time, '%Y') != 0 AND
                   DATE_FORMAT(date_time, '%Y-%m-%d') >= '$start_date' AND
                   DATE_FORMAT(date_time, '%Y-%m-%d') <= '$end_date'";
                break;

            // Nombre de places réservées
            case 'y3':
                $query = "SELECT DATE_FORMAT(date_time, '%Y') data_year, (SUM(number_of_guest) + COUNT(subscriber)) value
                     FROM event_registration
                     WHERE status = 1 AND DATE_FORMAT(date_time, '%Y') != 0
                     GROUP BY DATE_FORMAT(date_time, '%Y')
                     ORDER BY DATE_FORMAT(date_time, '%Y') DESC";
                break;
            case 'f_y3':
                $query = "SELECT '30 Derniers Jours' data_year, (SUM(number_of_guest) + COUNT(subscriber)) value
                     FROM event_registration
                     WHERE status = 1 AND DATE_FORMAT(date_time, '%Y') != 0 AND
                     DATE_FORMAT(date_time, '%Y-%m-%d') >= '$start_date' AND
                     DATE_FORMAT(date_time, '%Y-%m-%d') <= '$end_date'";
                break;

            //Nombre d'annulations effectuées (annulation totale de réservation)
            case 'y4':
                $query = "SELECT DATE_FORMAT(date_time, '%Y') data_year, (SUM(number_of_guest) + COUNT(subscriber)) value
                     FROM event_registration
                     WHERE status = 0 AND DATE_FORMAT(date_time, '%Y') != 0
                     GROUP BY DATE_FORMAT(date_time, '%Y')
                     ORDER BY DATE_FORMAT(date_time, '%Y') DESC";
                break;
            case 'f_y4':
                $query = "SELECT 'Total Période' dinterval, (SUM(number_of_guest) + COUNT(subscriber)) value
                     FROM event_registration
                     WHERE status = 0 AND DATE_FORMAT(date_time, '%Y') != 0 AND
                     DATE_FORMAT(date_time, '%Y-%m-%d') >= '$start_date' AND
                     DATE_FORMAT(date_time, '%Y-%m-%d') <= '$end_date'";
                break;

            case 'fsubs':
                $query = "SELECT 'Total Période' dinterval, COUNT(subscriber_id) value
                    FROM user_subscriber
                    WHERE DATE_FORMAT(subscription_date, '%Y') != 0 AND
                        DATE_FORMAT(subscription_date, '%Y-%m-%d') >= '$start_date' AND
                        DATE_FORMAT(subscription_date, '%Y-%m-%d') <= '$end_date'";
                break;
            case 'fevents':
                $query = "SELECT DATE_FORMAT(e.date_created, '%Y') ddate, COUNT(e.event_id) value,
                    (CASE
                        -- coming soon
                        WHEN e.back_office_status = 1 THEN 'proc'
                        -- being created
                        WHEN e.back_office_status = 0 THEN 'en'
                        -- complete
                        WHEN ((e.back_office_status = 2 OR e.back_office_status = 3) AND e.event_status ='FULL'
                            AND e.remaining_combined_seat >=0 )
                        THEN 'com'
                        -- terminee
                        WHEN e.back_office_status = 7 THEN 'ter'

                        -- passe
                        WHEN e.back_office_status = 4 THEN 'pas'
                        -- archived
                        WHEN e.back_office_status = 5 THEN 'arc'
                    END) bostat
                    FROM event e
                    WHERE DATE_FORMAT(e.date_created, '%Y') != 0 AND
                    DATE_FORMAT(e.date_created, '%Y') = '$cur_year'
                    GROUP BY e.back_office_status
                    ORDER BY e.back_office_status DESC";
                break;

            // Recherches Internes
            case 's':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel,
                    (CASE
                    WHEN gev_rdatalabel = 'filter-type' THEN (SELECT event_type FROM event_type WHERE event_type_id = gev_raction)
                    WHEN gev_rdatalabel = 'filter-city' THEN (SELECT city FROM event_city_location WHERE city_location_id = gev_raction)
                    END) label
                ,gev_rdate
                FROM ga_events
                WHERE gev_rcategory = 'fo_filter'
                AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date'

                GROUP BY gev_raction, gev_rdatalabel
                ORDER BY SUM(gev_rdata) DESC";
                break;
            case 'faq_search':
                $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction FROM ga_events
                    WHERE gev_rcategory = 'faq_search'
                    AND
                    DATE_FORMAT(gev_rdate, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(gev_rdate, '%Y-%m-%d') <= '$end_date' AND
                    gev_raction !='undefined'
                    GROUP BY gev_raction
                    ORDER BY gev_rdata DESC LIMIT 12";
                break;
            case 'source_mediums':
                $query = "SELECT SUM(gsm_rdata) gsm_rdata, gsm_rchannelgroup,
                (SUM(gsm_rdata)/(SELECT SUM(gsm_rdata) FROM ga_source_mediums
                WHERE DATE_FORMAT(gsm_rdate, '%Y') = '$cur_year')*100) percentage

                FROM ga_source_mediums
                    WHERE
                    DATE_FORMAT(gsm_rdate, '%Y-%m-%d') >= '$start_date' AND
                    DATE_FORMAT(gsm_rdate, '%Y-%m-%d') <= '$end_date' AND
                    GROUP BY gsm_rchannelgroup
                    ORDER BY SUM(gsm_rdata) DESC";
                break;
						case 'faq_stat':
							$query = "SELECT
								    ffs.subject,
										ffs.subject_id,
								    ffq.question,                    
								    @helpful := (SELECT count(ffhc.id) FROM `frontoffice_faq_helpful_counter` as `ffhc` where ffhc.question_id = ffq.question_id and `ffhc`.`faq_helpful_status` = 1 ) as helpful,
								    @not_helpful := (SELECT count(ffhc.id) FROM `frontoffice_faq_helpful_counter` as `ffhc` where ffhc.question_id = ffq.question_id and `ffhc`.`faq_helpful_status` = 0 ) as not_helpful,
                    ROUND(((@helpful / (@helpful + @not_helpful)) * 100)) as vol_helpful,
                    ROUND(((@not_helpful / (@helpful + @not_helpful)) * 100)) as vol_not_helpful
                FROM
								    `frontoffice_faq_questions` as `ffq`,
								    `frontoffice_faq_subject` as `ffs`
								where
								    ffs.subject_id = ffq.subject_id
										and
								    ffq.status = 1
								order by
								    FIELD(ffq.subject_id, 1, 2, 3, 6, 4, 5),
								    ffq.question_id ASC";
										break;

            // case 's':
            //     $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction, gev_rdatalabel,
            //         (CASE
            //         WHEN gev_rdatalabel = 'filter-type' THEN (SELECT event_type FROM event_type WHERE event_type_id = gev_raction)
            //         WHEN gev_rdatalabel = 'filter-city' THEN (SELECT city FROM event_city_location WHERE city_location_id = gev_raction)
            //         END) label
            //     ,gev_rdate
            //     FROM ga_events
            //     WHERE gev_rcategory = 'fo_filter'
            //     AND
            //     DATE_FORMAT(gev_rdate, '%Y') = '$cur_year'
            //     GROUP BY gev_raction, gev_rdatalabel
            //     ORDER BY SUM(gev_rdata) DESC";
            //     break;
            // case 'faq_search':
            //     $query = "SELECT SUM(gev_rdata) gev_rdata, gev_raction FROM ga_events
            //         WHERE gev_rcategory = 'faq_search'
            //         AND
            //         DATE_FORMAT(gev_rdate, '%Y') = '$cur_year' AND
            //         gev_raction !='undefined'
            //         GROUP BY gev_raction
            //         ORDER BY gev_rdata DESC LIMIT 12";
            //     break;
            // case 'source_mediums':
            //     $query = "SELECT SUM(gsm_rdata) gsm_rdata, gsm_rchannelgroup,
            //     (SUM(gsm_rdata)/(SELECT SUM(gsm_rdata) FROM ga_source_mediums
            //     WHERE DATE_FORMAT(gsm_rdate, '%Y') = '$cur_year')*100) percentage
            //
            //     FROM ga_source_mediums
            //         WHERE DATE_FORMAT(gsm_rdate, '%Y') = '$cur_year'
            //         GROUP BY gsm_rchannelgroup
            //         ORDER BY SUM(gsm_rdata) DESC";
            //     break;
            default:
                // code...
                break;
        }

        $result = $result = $this->db->query($query);
        return $result->result_array();
    }

    // GA data stored locally
    public function get_ga_data($category = '', $col_abbrev, $user_type, $start, $end, $order = 'ASC'){
        // check start date
        $start = $this->check_ga_date($start);
        // check end date
        $end = $this->check_ga_date($end);

        $ga_data = array();
        $cur_date = date("Y-m-d");
        $cur_year = date("Y");
        $prev_year = date("Y",strtotime("-1 year"));

        $time_diff = abs(strtotime($end) - strtotime($start));
        $days_count = $time_diff/86400; // 86400 seconds in 1 day

        $user_types = explode('_', $user_type);

        // for ($i=1; $i < 4 ; $i++) {
        // }
        // $this->db->or_where("user_type", 2);
        // $this->db->or_where("user_type", 3);
        if ($user_type != 'none') {
            switch ($category) {
                case 'visitors':
                    $table_name = 'ga_visitors';
                    $table_name_alias = 'gv';
                    break;
                case 'sessions':
                    $table_name = 'ga_sessions';
                    $table_name_alias = 'sess';
                    $rtype = 0;
                    break;

                case 'session_duration':
                    $table_name = 'ga_sessions';
                    $table_name_alias = 'sess';
                    $rtype = 1;
                    break;

                case 'pageviews':
                    $table_name = 'ga_pageviews';
                    $table_name_alias = 'pv';
                    $rtype = 0;
                    break;

                case 'unique_pageviews':
                    $table_name = 'ga_pageviews';
                    $table_name_alias = 'pv';
                    $rtype = 1;
                    break;

                case 'event_views':
                    $table_name = 'ga_events_view';
                    $table_name_alias = 'ev';
                    $rtype = 0;
                    break;

                case 'bounceRate':
                    $table_name = 'ga_bounce_rate';
                    $table_name_alias = 'bcr';
                    break;

                default:
                    // code...
                    break;
            }
            $_select_part = '';

            switch ($category) {
                case 'session_duration':
                    $_select_part = "ROUND((({$col_abbrev}_rdata))/(SELECT (sess_rdata) FROM ga_sessions WHERE sess_rdate = sess.sess_rdate AND sess_rtype = 0 AND user_type = sess.user_type)) {$col_abbrev}_rdata,
                    DATE_FORMAT({$col_abbrev}_rdate, '%d/%m/%Y') {$col_abbrev}_rdate";
                    break;
                case 'bounceRate':
                    $this->db->join("ga_sessions gas", "$table_name_alias.user_type = gas.user_type AND $table_name_alias.bcr_rdate = gas.sess_rdate");
                    $_select_part = "({$col_abbrev}_rdata) {$col_abbrev}_rdata, DATE_FORMAT({$col_abbrev}_rdate, '%d/%m/%Y') {$col_abbrev}_rdate, gas.sess_rdata, ROUND(gas.sess_rdata * ($table_name_alias.bcr_rdata/100)) sess_br";
                    break;

                default:
                    $_select_part = "SUM({$col_abbrev}_rdata) {$col_abbrev}_rdata, DATE_FORMAT({$col_abbrev}_rdate, '%d/%m/%Y') {$col_abbrev}_rdate";
                    break;
            }

            $this->db->select(
                "$_select_part,
                (CASE
                    WHEN $table_name_alias.user_type = 0 THEN 'All'
                    WHEN $table_name_alias.user_type = 1 THEN 'Nouveaux'
                    WHEN $table_name_alias.user_type = 2 THEN 'Connus'
                    WHEN $table_name_alias.user_type = 3 THEN 'Connectés'
                END )AS user_type"
            );
            $this->db->from("$table_name $table_name_alias");
            if (isset($rtype)) {
                $this->db->where("$table_name_alias.{$col_abbrev}_rtype", $rtype);
                // $this->db->group_by("DATE_FORMAT($table_name_alias.{$col_abbrev}_rdate, '%Y-%m-%d'), $table_name_alias.user_type");
                $this->db->group_by(array(
                    "DATE_FORMAT({$col_abbrev}_rdate, '%Y-%m-%d')",
                    "$table_name_alias.user_type",
                    "$table_name_alias.{$col_abbrev}_rtype"
                    )
                );
            } else {
                $this->db->group_by(array("DATE_FORMAT($table_name_alias.{$col_abbrev}_rdate, '%Y-%m-%d')", "$table_name_alias.user_type"));
            }
            $this->db->where("DATE_FORMAT($table_name_alias.{$col_abbrev}_rdate, '%Y-%m-%d') >=", $start);
            $this->db->where("DATE_FORMAT($table_name_alias.{$col_abbrev}_rdate, '%Y-%m-%d') <=", $end);

            $this->db->where_in("$table_name_alias.user_type", $user_types);
            $this->db->order_by("$table_name_alias.{$col_abbrev}_rdate", $order);
            $this->db->order_by("$table_name_alias.user_type", 'ASC');
        } else {

            switch ($category) {
                case 'users_browsers':
                    $table_name = 'ga_visitors';
                    $table_name_alias = 'gv';
                    $col_prefix = 'vis';
                    $abbrev = 'br';
                    break;
                case 'users_and_device_category':
                    $table_name = 'ga_visitors';
                    $table_name_alias = 'gv';
                    $col_prefix = 'vis';
                    $abbrev = 'dv';
                    break;
                case 'source_mediums_graph':
                    $table_name = 'ga_source_mediums';
                    $table_name_alias = 'gsm';
                    $col_prefix = 'gsm';
                    $abbrev = 'gsm';
                    break;
                default:
                    // code...
                    break;
            }
            if ($category == 'source_mediums_graph') {
                // get total of all row data
                $d = array(
                    $cur_year
                );
                $q = "SELECT SUM(gsm_rdata) total_data FROM (SELECT SUM(gsm_rdata) gsm_rdata FROM ga_source_mediums $table_name_alias
                    WHERE DATE_FORMAT($table_name_alias.gsm_rdate, '%Y') = ?
                    GROUP BY $table_name_alias.gsm_rchannelgroup
                    ORDER BY SUM($table_name_alias.gsm_rdata) DESC) total_data";

                $total_data = (($this->db->query($q, $d))->result_array())[0]['total_data'];
                if (!is_numeric($total_data)) {
                    return false;
                }
                $this->db->select(
                    "SUM(gsm_rdata) vis_rdata, gsm_rchannelgroup rtype, ".
                    "(SUM(gsm_rdata)/$total_data*100) percentage "
                );
                $this->db->from("$table_name $table_name_alias");
                // $this->db->where("DATE_FORMAT(gsm_rdate, '%Y')=", "$cur_year");
                $this->db->where("DATE_FORMAT(gsm_rdate, '%Y-%m-%d') >=", $start);
                $this->db->where("DATE_FORMAT(gsm_rdate, '%Y-%m-%d') <=", $end);

                $this->db->group_by(array("$table_name_alias.gsm_rchannelgroup"));
                $this->db->order_by("SUM(gsm_rdata)", 'DESC');
            } else {
                // get total of all row data
                $d = array(
                    $start,
                    $end,
                );
                $q = "SELECT SUM(vis_rdata) total_vis FROM (SELECT SUM(vis_rdata) vis_rdata FROM ga_visitors gv
                    WHERE {$abbrev}_rtype!= 'UNDEFINED' AND
                    DATE_FORMAT(gv.vis_rdate, '%Y-%m-%d') >= ? AND
                    DATE_FORMAT(gv.vis_rdate, '%Y-%m-%d') <= ?
                    GROUP BY {$abbrev}_rtype
                    ORDER BY SUM(gv.vis_rdata) DESC
                    LIMIT 12) total_vis";

                $total_vis = (($this->db->query($q, $d))->result_array())[0]['total_vis'];
                if (!is_numeric($total_vis)) {
                    return false;
                }
                $this->db->select(
                    "SUM(vis_rdata) vis_rdata, {$abbrev}_rtype rtype, ".
                    "(SUM(vis_rdata)/$total_vis*100) percentage "
                );
                $this->db->from("$table_name $table_name_alias");
                $this->db->where("$table_name_alias.{$abbrev}_rtype !=", "UNDEFINED");
                $this->db->where("DATE_FORMAT($table_name_alias.vis_rdate, '%Y-%m-%d') >=", $start);
                $this->db->where("DATE_FORMAT($table_name_alias.vis_rdate, '%Y-%m-%d') <=", $end);

                $this->db->group_by(array("$table_name_alias.{$abbrev}_rtype"));
                $this->db->order_by("SUM(vis_rdata)", 'DESC');
            }
            // $this->db->order_by("$table_name_alias.{$abbrev}_rtype", 'ASC');
            $this->db->limit(12);
        }

        $result = $this->db->get();
        if($result->num_rows() > 0){
            return $result->result_array();
            // $data = $result->result_array();
            // foreach ($data as $key => $value) {
            //     // array_push(&$stack, $vars...);
            //     if (!isset($ga_data[$value['user_type']])) {
            //         $ga_data[$value['user_type']] = array();
            //         // $ga_data[$value['user_type']]['t'] = '';
            //         // $ga_data[$value['user_type']]['y'] = '';
            //         // array_push($ga_data[$value['user_type']], '{"t":"'.($value[$abbrev.'_rdate']).'", "y":"'.($value[$abbrev.'_rdata']).'"}');
            //         array_push($ga_data[$value['user_type']], array(
            //             "t" => $value[$abbrev.'_rdate'],
            //             "y" => $value[$abbrev.'_rdata']
            //         ));
            //     } else {
            //         array_push($ga_data[$value['user_type']], array(
            //             "t" => $value[$abbrev.'_rdate'],
            //             "y" => $value[$abbrev.'_rdata']
            //         ));
            //         // array_push($ga_data[$value['user_type']], '{"t":"'.($value[$abbrev.'_rdate']).'", "y":"'.($value[$abbrev.'_rdata']).'"}');
            //     }
            // }
            // return $ga_data;
        }
        return false;
    }
}

?>