//
//  CORS.swift
//  Zyquo Router
//
//  Author: Simon-Pierre Boucher
//  Mail: contact@spboucher.ai
//
//  Permissive-by-default CORS so browser-based tooling can call the router
//  on localhost. Configurable origin in Settings (Phase 6).
//

import Foundation
import NIOHTTP1

struct CORS {
    var allowedOrigin: String = "*"

    var headers: [(String, String)] {
        [
            ("Access-Control-Allow-Origin", allowedOrigin),
            ("Access-Control-Allow-Methods", "GET, POST, OPTIONS"),
            ("Access-Control-Allow-Headers", "Authorization, Content-Type, OpenAI-Beta, X-Requested-With"),
            ("Access-Control-Max-Age", "600"),
        ]
    }

    /// Response to a preflight `OPTIONS` request.
    func preflightResponse() -> RouteResult {
        .complete(status: .noContent, headers: headers, body: Data())
    }
}