// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.

#ifndef ELECTRON_SHELL_COMMON_GIN_CONVERTERS_NET_CONVERTER_H_
#define ELECTRON_SHELL_COMMON_GIN_CONVERTERS_NET_CONVERTER_H_

#include <string>
#include <utility>
#include <vector>

#include "gin/converter.h"
#include "services/network/public/mojom/fetch_api.mojom.h"
#include "services/network/public/mojom/host_resolver.mojom.h"
#include "services/network/public/mojom/url_request.mojom.h"
#include "shell/browser/net/cert_verifier_client.h"

namespace net {
class AuthChallengeInfo;
class X509Certificate;
class HttpResponseHeaders;
struct CertPrincipal;
class HttpVersion;
}  // namespace net

namespace network {
struct ResourceRequest;
}

namespace gin {

template <>
struct Converter<net::AuthChallengeInfo> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const net::AuthChallengeInfo& val);
};

template <>
struct Converter<scoped_refptr<net::X509Certificate>> {
  static v8::Local<v8::Value> ToV8(
      v8::Isolate* isolate,
      const scoped_refptr<net::X509Certificate>& val);

  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     scoped_refptr<net::X509Certificate>* out);
};

template <>
struct Converter<net::CertPrincipal> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const net::CertPrincipal& val);
};

template <>
struct Converter<net::HttpResponseHeaders*> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   net::HttpResponseHeaders* headers);
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     net::HttpResponseHeaders* out);
};

template <>
struct Converter<net::HttpRequestHeaders> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const net::HttpRequestHeaders& headers);
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     net::HttpRequestHeaders* out);
};

template <>
struct Converter<network::ResourceRequestBody> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const network::ResourceRequestBody& val);
};

template <>
struct Converter<scoped_refptr<network::ResourceRequestBody>> {
  static v8::Local<v8::Value> ToV8(
      v8::Isolate* isolate,
      const scoped_refptr<network::ResourceRequestBody>& val);
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     scoped_refptr<network::ResourceRequestBody>* out);
};

template <>
struct Converter<network::ResourceRequest> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const network::ResourceRequest& val);
};

template <>
struct Converter<electron::VerifyRequestParams> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   electron::VerifyRequestParams val);
};

template <>
struct Converter<net::HttpVersion> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const net::HttpVersion& val);
};

template <>
struct Converter<net::RedirectInfo> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const net::RedirectInfo& val);
};

template <>
struct Converter<net::IPEndPoint> {
  static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
                                   const net::IPEndPoint& val);
};

template <>
struct Converter<net::DnsQueryType> {
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     net::DnsQueryType* out);
};

template <>
struct Converter<net::HostResolverSource> {
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     net::HostResolverSource* out);
};

template <>
struct Converter<network::mojom::ResolveHostParameters::CacheUsage> {
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     network::mojom::ResolveHostParameters::CacheUsage* out);
};

template <>
struct Converter<network::mojom::SecureDnsPolicy> {
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     network::mojom::SecureDnsPolicy* out);
};

template <>
struct Converter<network::mojom::ResolveHostParametersPtr> {
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> val,
                     network::mojom::ResolveHostParametersPtr* out);
};

template <typename K, typename V>
struct Converter<std::vector<std::pair<K, V>>> {
  static bool FromV8(v8::Isolate* isolate,
                     v8::Local<v8::Value> value,
                     std::vector<std::pair<K, V>>* out) {
    if (!value->IsObject())
      return false;
    out->clear();
    v8::Local<v8::Context> context = isolate->GetCurrentContext();
    v8::Local<v8::Object> obj = value.As<v8::Object>();
    v8::Local<v8::Array> keys = obj->GetPropertyNames(context).ToLocalChecked();
    for (uint32_t i = 0; i < keys->Length(); ++i) {
      v8::Local<v8::Value> v8key;
      if (!keys->Get(context, i).ToLocal(&v8key))
        return false;
      v8::Local<v8::Value> v8value;
      if (!obj->Get(context, v8key).ToLocal(&v8value))
        return false;
      K key;
      V out_value;
      if (!ConvertFromV8(isolate, v8key, &key) ||
          !ConvertFromV8(isolate, v8value, &out_value))
        return false;
      (*out).emplace_back(std::move(key), std::move(out_value));
    }
    return true;
  }
};

}  // namespace gin

#endif  // ELECTRON_SHELL_COMMON_GIN_CONVERTERS_NET_CONVERTER_H_