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<?php

/**
 * Class for activation routines specific to automation component
 * @package     Automation
 * @subpackage  Activation
 */
class Inbound_Automation_Activation {


    public static function activate() {

        /* listen for activation command */
        if (!get_option('inbound_activate_automation' , false) ) {
            return;
        }

        /* Update DB Markers for Plugin */
        self::store_version_data();

        /* Set Default Settings */
        self::set_default_settings();

        /* Activate shared components */
        self::activate_shared();

        /* create automation queue table */
        self::create_automation_queue_table();

        /* run un-ran database routines */
        self::run_updates();

        /* custom activation hook */
        do_action('activate/automation');

        /* done */
        delete_option('inbound_activate_automation');
    }


    /**
     *This method loads public methods from the Inbound_Automation_Activation_Update_Routines class and automatically runs them if they have not been run yet.
     * We use transients to store the data, which may not be the best way but I don't have to worry about save/update/create option and the auto load process
     */

    public static function run_updates() {


        /* Get list of updaters from Inbound_Automation_Activation_Update_Routines class */
        $updaters = get_class_methods('Inbound_Automation_Activation_Update_Routines');

        /* return if no routines */
        if (!$updaters) {
            return;
        }

        /* Get transient list of completed update processes */
        $completed = ( get_option( 'ma_completed_upgrade_routines' ) ) ?  get_option( 'ma_completed_upgrade_routines' ) : array();

        /* Get the difference between the two arrays */
        $remaining = array_diff( $updaters , $completed );

        /* Loop through updaters and run updaters that have not been ran */
        foreach ( $remaining as $updater ) {

            Inbound_Automation_Activation_Update_Routines::$updater();
            $completed[] = $updater;

        }

        /* Update this transient value with list of completed upgrade processes */
        update_option( 'ma_completed_upgrade_routines' , $completed );

    }

    /**
     *  This method checks if there are upgrade routines that have not been executed yet and notifies the administror if there are
     *
     */
    public static function run_upgrade_routine_checks() {

        /* Listen for a manual upgrade call */
        if (isset($_GET['plugin_action']) && $_GET['plugin_action'] == 'upgrade_routines' && $_GET['plugin'] =='marketing-automation' ) {
            self::run_updates();
            wp_redirect(admin_url('edit.php?post_type=automation'));
            exit;
        }

        /* Get list of updaters from Inbound_Automation_Activation_Update_Routines class */
        $updaters = get_class_methods('Inbound_Automation_Activation_Update_Routines');

        /* return if no routines */
        if (!$updaters) {
            return;
        }

        /* Get transient list of completed update processes */
        $completed = ( get_option( 'ma_completed_upgrade_routines' ) ) ?  get_option( 'ma_completed_upgrade_routines' ) : array();

        /* Get the difference between the two arrays */
        $remaining = array_diff( $updaters , $completed );

        if (count($remaining)>0) {
            add_action( 'admin_notices', array( __CLASS__ , 'display_upgrade_routine_notice' ) );
        }
    }

    public static function display_upgrade_routine_notice() {

        ?>
        <div class="error">
            <p><?php _e( 'We\'ve noticed that <strong>Automation Component</strong> requires a <strong>database upgrade</strong>. Please click the following link:', 'inbound-pro' ); ?> <a href='?plugin=marketing-automation&plugin_action=upgrade_routines'><?php _e('Run Upgrade Processes' , 'inbound-pro' ); ?></a></p>
        </div>
        <?php
    }


    /* Creates transient records of past and current version data */
    public static function store_version_data() {

        $old = get_transient('automation_current_version');
        set_transient( 'automation_previous_version' , $old );
        set_transient( 'automation_current_version' , INBOUND_AUTOMATION_CURRENT_VERSION );

    }

    public static function set_default_settings() {

    }

    /**
     *  Tells Inbound Shared to run activation commands
     */
    public static function activate_shared() {
        set_transient( 'Inbound_Activate', true );
    }

    /* Aborts activation and details
    * @param ARRAY $args array of message details
    */
    public static function abort_activation( $args ) {
        echo $args['title'] . '<br>';
        echo $args['message'] . '<br>';
        echo 'Details:<br>';
        print_r ($args['details']);
        echo '<br>';
        echo $args['solution'];

        deactivate_plugins( WP_CTA_FILE );
        exit;
    }

    public static function create_automation_queue_table() {
        global $wpdb;

        $table_name = $wpdb->prefix . "inbound_automation_queue";
        $charset_collate = '';

        if ( ! empty( $wpdb->charset ) ) {
            $charset_collate = "DEFAULT CHARACTER SET {$wpdb->charset}";
        }
        if ( ! empty( $wpdb->collate ) ) {
            $charset_collate .= " COLLATE {$wpdb->collate}";
        }

        $sql = "CREATE TABLE IF NOT EXISTS $table_name (
          `id` BIGINT(9) NOT NULL AUTO_INCREMENT,
          `rule_id` varchar(255) NOT NULL,
          `lead_id` varchar(255) NOT NULL,
          `tasks` text NOT NULL,
          `trigger_data` text NOT NULL,
          `datetime` datetime NOT NULL,
          `status` varchar(255) NOT NULL,
          UNIQUE KEY id (id)
        ) $charset_collate;";

        require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
        dbDelta( $sql );
    }

    /* Checks if plugin is compatible with current server PHP version */
    public static function run_version_checks() {

        global $wp_version;

        /* Check PHP Version */
        if ( version_compare( phpversion(), self::$version_php, '<' ) ) {
            self::abort_activation(
                array(
                    'title' => 'Installation aborted',
                    'message' => __('Calls to Action plugin could not be installed' , 'landing-pages'),
                    'details' => array(
                        __( 'Server PHP Version' , 'landing-pages' ) => phpversion(),
                        __( 'Required PHP Version' , 'landing-pages' ) => self::$version_php
                    ),
                    'solultion' => sprintf( __( 'Please contact your hosting provider to upgrade PHP to %s or greater' , 'landing-pages' ) , self::$version_php )
                )
            );
        }

        /* Check WP Version */
        if ( version_compare( $wp_version , self::$version_wp, '<' ) ) {
            self::abort_activation( array(
                    'title' => 'Installation aborted',
                    'message' => __('Calls to Action plugin could not be installed' , 'landing-pages'),
                    'details' => array(
                        __( 'WordPress Version' , 'landing-pages' ) => $wp_version,
                        __( 'Required WordPress Version' , 'landing-pages' ) => self::$version_wp
                    ),
                    'solultion' => sprintf( __( 'Please update landing pages to version %s or greater.' , 'landing-pages' ) , self::$version_wp )
                )
            );
        }

        /* Check Landing Pages Version */
        if ( defined('LANDINGPAGES_CURRENT_VERSION') && version_compare( LANDINGPAGES_CURRENT_VERSION , self::$version_lp , '<' ) ) {
            self::abort_activation( array(
                    'title' => 'Installation aborted',
                    'message' => __('Calls to Action plugin could not be installed' , 'landing-pages'),
                    'details' => array(
                        __( 'Calls to Action Version' , 'landing-pages' ) => LANDINGPAGES_CURRENT_VERSION,
                        __( 'Required Calls to Action Version' , 'landing-pages' ) => self::$version_lp
                    ),
                    'solultion' => sprintf( __( 'Please update Calls to Action to version %s or greater.' , 'landing-pages' ) , self::$version_lp )
                )
            );
        }

        /* Check Leads Version */
        if ( defined('WPL_CURRENT_VERSION') && version_compare( WPL_CURRENT_VERSION , self::$version_leads , '<' ) ) {
            self::abort_activation( array(
                    'title' => 'Installation aborted',
                    'message' => __('Calls to Action plugin could not be installed' , 'landing-pages'),
                    'details' => array(
                        __( 'Leads Version' , 'landing-pages' ) => WPL_CURRENT_VERSION,
                        __( 'Required Leads Version' , 'landing-pages' ) => self::$version_leads
                    ),
                    'solultion' => sprintf( __( 'Please update Leads to version %s or greater.' , 'landing-pages' ) , self::$version_leads )
                )
            );
        }


    }
}

/* Add listener for uncompleted upgrade routines */
add_action( 'admin_init' , array( 'Inbound_Automation_Activation' , 'run_upgrade_routine_checks' ) );

/* Activate on Inbound Pro activate */
add_action( 'admin_init' , array( 'Inbound_Automation_Activation' , 'activate' ) );