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<?php

/**
 * Class for defining and running activation routines
 *
 * @package Leads
 * @subpackage Activation
 */


class Leads_Activation {

    static $version_wp;
    static $version_php;
    static $version_lp;
    static $version_cta;

    public static function activate() {
        self::load_static_vars();
        self::run_version_checks();
        self::activate_plugin();
        self::run_updates();
    }

    public static function deactivate() {
        /* Disabled Lead UI */
        delete_option( 'Leads_Activated');
    }

    public static function load_static_vars() {

        self::$version_wp = '3.6';
        self::$version_php = '5.2';
        self::$version_lp = '1.3.6';
        self::$version_cta = '2.0.0';
    }

    public static function activate_plugin() {

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

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

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

        /* Mark Active */
        add_option( 'Leads_Activated' , true );

    }

    /**
    *This method loads public methods from the Leads_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() {
        /* remove update_post_meta hook to cut down on resources */
        remove_action('updated_post_meta', array( 'Leads_Post_Type' , 'record_meta_update'), 10, 4);

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

        /* Get transient list of completed update processes */
        $completed = ( get_option( 'leads_completed_upgrade_routines' ) ) ?  get_option( 'leads_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 ) {

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

        }
            
        /* Update this transient value with list of completed upgrade processes */
        update_option( 'leads_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'] =='leads' ) {
            self::run_updates();
            wp_redirect(wp_get_referer());
            exit;
        }

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

        /* Get transient list of completed update processes */
        $completed = ( get_option( 'leads_completed_upgrade_routines' ) ) ?  get_option( 'leads_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' ) );
        }
    }


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

    public static function display_upgrade_routine_notice() {
        ?>
        <div class="error">
            <p><?php _e( 'Leads plugin requires a database upgrade. Please note that this could take awhile. ', 'inbound-pro' ); ?> <a href='?plugin=leads&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('leads_current_version');
        set_transient( 'leads_previous_version' , $old );
        set_transient( 'leads_current_version' , WPL_CURRENT_VERSION );

    }

    public static function set_default_settings() {

    }

    /**
    *  Tells Inbound Shared to run activation commands
    */
    public static function activate_shared() {
        update_option( '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( WPL_FILE );
        exit;
    }

}

/* Add Activation Hook */
register_activation_hook( WPL_FILE , array( 'Leads_Activation' , 'activate' ) );
register_deactivation_hook( WPL_FILE , array( 'Leads_Activation' , 'deactivate' ) );

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