<?php
if(!defined('DOKU_INC')) die();

class action_plugin_pgpblock extends DokuWiki_Action_Plugin {
    
    public function register(Doku_Event_Handler $controller) {
        // Keep your existing script loader hook
        $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'handle_metaheader');
        
        // ADD THIS NEW HOOK: Intercepts custom AJAX signals globally
        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax_call');
    }

    public function handle_metaheader(Doku_Event $event, $param) {
        $plugin_url = DOKU_BASE . 'lib/plugins/pgpblock/';

        $event->data['script'][] = array(
            'type'    => 'text/javascript',
            'src'     => $plugin_url . 'utils.js',
            'defer'   => 'defer',
            '_inline' => false
        );
        $event->data['script'][] = array(
            'type'    => 'text/javascript',
            'src'     => $plugin_url . 'view.js',
            'defer'   => 'defer',
            '_inline' => false
        );
        $event->data['script'][] = array(
            'type'    => 'text/javascript',
            'src'     => $plugin_url . 'editor.js',
            'defer'   => 'defer',
            '_inline' => false
        );
    }

    // New function that processes the text rendering completely bypasses remote.php
    public function handle_ajax_call(Doku_Event $event, $param) {
        if ($event->data !== 'plugin_pgpblock_parsePlaintext') return;

        // Stop DokuWiki from throwing an "unknown call" error
        $event->preventDefault();
        $event->stopPropagation();

        // Security check: Ensure user has basic read access to the wiki
        if (auth_quickaclcheck(getID()) < AUTH_READ) {
            http_response_code(403);
            echo "Access Denied";
            return;
        }

        // Pull incoming raw text array safely from the jQuery POST request
        $args = $_POST['args'] ?? [];
        $text = $args[0] ?? '';

        // Run through full Dokuwiki parser pipeline into XHTML format
        $info = array();
        $html_output = p_render('xhtml', p_get_instructions($text), $info);

        // Print the data out cleanly to the AJAX response channel
        echo $html_output;
    }
}