<?php
/* Wordpress Post-Installation Anti-Spam Hook Script */
/* Lite Version */

/* Include the required files to use the WP API and functions such as install() and activate_plugin() */
chdir(__DIR__);
$path = getcwd();
require_once("wp-load.php");
require_once("wp-admin/includes/plugin.php");
require_once("wp-admin/includes/plugin-install.php");
require_once("wp-admin/includes/class-wp-upgrader.php");
require_once("wp-admin/includes/file.php");
require_once("wp-admin/includes/misc.php");
require_once("wp-admin/includes/plugin.php");

/* Check if plugin is already activated */
if (is_plugin_active("anti-spam/anti-spam.php")) {
    echo "Anti-Spam plugin is active in $path\n";
    exit(0);
} else {
    /* Try activating plugin if it is installed, but disabled */
    echo "Plugin not activated/installed.. trying to activate..\n";
}
activate_plugin("$path/wp-content/plugins/anti-spam/anti-spam.php");
if (is_plugin_active("anti-spam/anti-spam.php")) {
    echo "Plugin has been activated successfully in $path!\n";
    exit(0);
} else {
    /* Plugin is not installed/present, so we're proceeding with Install */
    echo "Plugin not found in $path. Proceeding with installation..\n";
    $api    = plugins_api("plugin_information", array( "slug" => "Anti-spam"));
    /* Retreive information about the Anti-Spam plugin from the WP API */
    $object = new Plugin_Upgrader();
    $object->install($api->download_link);
    /* Install the plugin */
    $result = activate_plugin("$path/wp-content/plugins/anti-spam/anti-spam.php");
    /* Activate the plugin */
    echo "Plugin installed and activated successfully.\n";
    exit(0);
}
?>