<?php

/**
 * Class AddAnalyticsPodcastsProcedure
 * Creates analytics_podcasts procedure in database
 *
 * @copyright  2020 Podlibre
 * @license    https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
 * @link       https://castopod.org/
 */

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class AddAnalyticsPodcastsProcedure extends Migration
{
    public function up()
    {
        // Creates Procedure for data insertion
        // Example: CALL analytics_podcasts(1, 2, 'FR', 'IDF', 48.853, 2.349, PodcastAddict, 'phone', 'android', 0, 1);
        $prefix = $this->db->getPrefix();

        $createQuery = <<<EOD
        CREATE PROCEDURE `{$prefix}analytics_podcasts` (
            IN `p_podcast_id` INT UNSIGNED,
            IN `p_episode_id` INT UNSIGNED,
            IN `p_country_code` VARCHAR(3) CHARSET utf8mb4,
            IN `p_region_code` VARCHAR(3) CHARSET utf8mb4,
            IN `p_latitude` FLOAT,
            IN `p_longitude` FLOAT,
            IN `p_service` VARCHAR(128) CHARSET utf8mb4,
            IN `p_app` VARCHAR(128) CHARSET utf8mb4,
            IN `p_device` VARCHAR(32) CHARSET utf8mb4,
            IN `p_os` VARCHAR(32) CHARSET utf8mb4,
            IN `p_bot` TINYINT(1) UNSIGNED,
            IN `p_filesize` INT UNSIGNED,
            IN `p_duration` INT UNSIGNED,
            IN `p_age` INT UNSIGNED,
            IN `p_new_listener` TINYINT(1) UNSIGNED
            )  MODIFIES SQL DATA
        DETERMINISTIC
        SQL SECURITY INVOKER
        COMMENT 'Add one hit in podcast logs tables.'
        BEGIN

        SET @current_datetime = NOW();
        SET @current_date = DATE(@current_datetime);
        SET @current_hour = HOUR(@current_datetime);

        IF NOT `p_bot` THEN
            INSERT INTO `{$prefix}analytics_podcasts`(`podcast_id`, `date`)
                VALUES (p_podcast_id, @current_date)
                ON DUPLICATE KEY UPDATE
                    `duration`=`duration`+`p_duration`,
                    `bandwidth`=`bandwidth`+`p_filesize`,
                    `hits`=`hits`+1,
                    `unique_listeners`=`unique_listeners`+`p_new_listener`;
            INSERT INTO `{$prefix}analytics_podcasts_by_hour`(`podcast_id`, `date`, `hour`)
                VALUES (p_podcast_id, @current_date, @current_hour)
                ON DUPLICATE KEY UPDATE `hits`=`hits`+1;
            INSERT INTO `{$prefix}analytics_podcasts_by_episode`(`podcast_id`, `episode_id`, `date`, `age`)
                VALUES (p_podcast_id, p_episode_id, @current_date, p_age)
                ON DUPLICATE KEY UPDATE `hits`=`hits`+1;
            INSERT INTO `{$prefix}analytics_podcasts_by_country`(`podcast_id`, `country_code`, `date`)
                VALUES (p_podcast_id, p_country_code, @current_date)
                ON DUPLICATE KEY UPDATE `hits`=`hits`+1;
            INSERT INTO `{$prefix}analytics_podcasts_by_region`(`podcast_id`, `country_code`, `region_code`, `latitude`, `longitude`, `date`)
                VALUES (p_podcast_id, p_country_code, p_region_code, p_latitude, p_longitude, @current_date)
                ON DUPLICATE KEY UPDATE `hits`=`hits`+1;
        END IF;
        INSERT INTO `{$prefix}analytics_podcasts_by_player`(`podcast_id`, `service`, `app`, `device`, `os`, `is_bot`, `date`)
            VALUES (p_podcast_id, p_service, p_app, p_device, p_os, p_bot, @current_date)
            ON DUPLICATE KEY UPDATE `hits`=`hits`+1;
        END
        EOD;
        $this->db->query($createQuery);
    }

    public function down()
    {
        $prefix = $this->db->getPrefix();
        $this->db->query(
            "DROP PROCEDURE IF EXISTS `{$prefix}analytics_podcasts`",
        );
    }
}