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<?php

namespace VSP;

defined( 'ABSPATH' ) || exit;

use Varunsridharan\WordPress\Ajaxer;

/**
 * Class VSP_Core_Ajax
 *
 * @author Varun Sridharan <varunsridharan23@gmail.com>
 */
final class Ajax extends Ajaxer {
    /**
     * Ajax Action Prefix
     *
     * @var string
     */
    protected $action_prefix = 'vsp';

    /**
     * Ajax actions
     *
     * @var array
     */
    protected $actions = array(
        'addon_action' => false,
        'download_log' => true,
    );

    /**
     * Handles Ajax Request
     */
    public function addon_action() {
        if ( $this->has_request( 'hook_slug' ) ) {
            $this->validate_request( 'addon_action', esc_html__( 'Addon Action Not Provided', 'vsp-framework' ) );
            $this->validate_request( 'addon', esc_html__( 'Unable To Process Your Request', 'vsp-framework' ) );
            do_action( $_REQUEST['hook_slug'] . '/addon/ajax/handle/request', $this );
        }
        $this->json_error();
    }

    /**
     * Handles Log Download.
     */
    public function download_log() {
        if ( ! isset( $_REQUEST['_wpnonce'] ) ) {
            $this->error( esc_html__( 'Invalid Nonce', 'vsp-framework' ) );
        }

        if ( ! wp_verify_nonce( $_REQUEST['_wpnonce'], 'download_log' ) ) {
            $this->error( esc_html__( 'Nonce Expired', 'vsp-framework' ) );
        }

        if ( isset( $_REQUEST['handle'] ) && ! empty( $_REQUEST['handle'] ) ) {
            $file     = $_REQUEST['handle'];
            $ff_regx  = '/\.([^.]+)$/';
            $ff_types = array( 'log', 'txt' );
            if ( preg_match( $ff_regx, $file, $m ) && in_array( $m[1], $ff_types, true ) ) {
                $files = vsp_list_log_files();
                foreach ( $files as $f ) {
                    if ( preg_match( $ff_regx, $f, $m2 ) && in_array( $m2[1], $ff_types, true ) ) {
                        if ( $f === $file && file_exists( VSP_LOG_DIR . $f ) ) {
                            header( 'Cache-Control: private' );
                            header( 'Content-Type: application/stream' );
                            $size = filesize( VSP_LOG_DIR . $f );
                            header( "Content-Disposition: attachment; filename=$f" );
                            header( 'Content-Length: ' . $size );
                            readfile( VSP_LOG_DIR . $f );
                            wp_die();
                        }
                    }
                }
                $this->error( esc_html__( 'Log File Not Found !', 'vsp-framework' ) );
            } else {
                $this->error( esc_html__( 'Invalid Log File Extension', 'vsp-framework' ) );
            }
        } else {
            $this->error( esc_html__( 'Invalid Log File', 'vsp-framework' ) );
        }
        wp_die();
    }
}

return new Ajax();