/*
 * Copyright 2026 Rive
 */

#pragma once

#include <cstdint>
#include <string>
#include <vector>

namespace rive::scriptnet
{

/// One header line. Order and duplicates are kept; names compare
/// case-insensitively.
struct HttpHeader
{
  std::string name;
  std::string value;
};
using HttpHeaders = std::vector<HttpHeader>;

/// A request a script asked for, before and after NetPolicy::check
/// normalizes it.
struct HttpRequest
{
  std::string url;
  std::string method = "GET";
  HttpHeaders headers;
  std::vector<uint8_t> body;
  /// Zero means the policy default.
  uint32_t timeoutMs = 0;
};

struct HttpResponse
{
  uint16_t status = 0;
  std::string statusText;
  /// The final URL, after redirects.
  std::string url;
  HttpHeaders headers;
  std::vector<uint8_t> body;
};

enum class NetErrorCode : uint8_t
{
  /// The host has not given scripts a network transport.
  Disabled,
  /// NetPolicy refused the request: scheme, host, method, header or size.
  Policy,
  /// The script's queue of requests waiting to start is full.
  RateLimited,
  /// No response within the timeout.
  Timeout,
  /// Cancelled by the script, or its VM shut down.
  Aborted,
  /// The response body exceeded the size limit.
  TooLarge,
  /// DNS, TLS, CORS, connection or any other transport failure.
  Network,
};

struct NetError
{
  NetErrorCode code = NetErrorCode::Network;
  std::string message;
};

/// Header names and hosts are ASCII case-insensitive.
std::string lowerAscii(std::string value);

/// Stable lower-case name for `code` ("disabled", "policy", ...). Scripts
/// see it at the start of every rejection: "<name>: <message>".
const char* netErrorCodeName(NetErrorCode code);

/// Inverse of netErrorCodeName; unknown names map to Network.
NetErrorCode netErrorCodeFromName(const char* name, size_t length);

/// The standard reason phrase for `status` ("OK", "Not Found"), or "" for
/// one without. Transports report it where the server's own is hidden from
/// them, as NSURLSession does, or absent, as over HTTP/2.
const char* standardReasonPhrase(uint16_t status);

} // namespace rive::scriptnet