// Copyright 2024 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#ifndef THIRD_PARTY_CEL_CPP_INTERNAL_JSON_H_

#define THIRD_PARTY_CEL_CPP_INTERNAL_JSON_H_

#include <string>

#include "google/protobuf/struct.pb.h"

#include "absl/base/nullability.h"

#include "absl/status/status.h"

#include "google/protobuf/descriptor.h"

#include "google/protobuf/message.h"

namespace cel::internal {

// Converts the given message to its `google.protobuf.Value` equivalent

// representation. This is similar to `proto2::json::MessageToJsonString()`,

// except that this results in structured serialization.

absl::Status MessageToJson(

    const google::protobuf::Message& message,

    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,

    google::protobuf::MessageFactory* absl_nonnull message_factory,

    google::protobuf::Value* absl_nonnull result);

absl::Status MessageToJson(

    const google::protobuf::Message& message,

    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,

    google::protobuf::MessageFactory* absl_nonnull message_factory,

    google::protobuf::Struct* absl_nonnull result);

absl::Status MessageToJson(

    const google::protobuf::Message& message,

    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,

    google::protobuf::MessageFactory* absl_nonnull message_factory,

    google::protobuf::Message* absl_nonnull result);

// Converts the given message field to its `google.protobuf.Value` equivalent

// representation. This is similar to `proto2::json::MessageToJsonString()`,

// except that this results in structured serialization.

absl::Status MessageFieldToJson(

    const google::protobuf::Message& message,

    const google::protobuf::FieldDescriptor* absl_nonnull field,

    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,

    google::protobuf::MessageFactory* absl_nonnull message_factory,

    google::protobuf::Value* absl_nonnull result);

absl::Status MessageFieldToJson(

    const google::protobuf::Message& message,

    const google::protobuf::FieldDescriptor* absl_nonnull field,

    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,

    google::protobuf::MessageFactory* absl_nonnull message_factory,

    google::protobuf::ListValue* absl_nonnull result);

absl::Status MessageFieldToJson(

    const google::protobuf::Message& message,

    const google::protobuf::FieldDescriptor* absl_nonnull field,

    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,

    google::protobuf::MessageFactory* absl_nonnull message_factory,

    google::protobuf::Struct* absl_nonnull result);

absl::Status MessageFieldToJson(

    const google::protobuf::Message& message,

    const google::protobuf::FieldDescriptor* absl_nonnull field,

    const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool,

    google::protobuf::MessageFactory* absl_nonnull message_factory,

    google::protobuf::Message* absl_nonnull result);

// Checks that the instance of `google.protobuf.Value` has a descriptor which is

// well formed.

inline absl::Status CheckJson(const google::protobuf::Value&) {

  return absl::OkStatus();

}

absl::Status CheckJson(const google::protobuf::MessageLite& message);

// Checks that the instance of `google.protobuf.ListValue` has a descriptor

// which is well formed.

inline absl::Status CheckJsonList(const google::protobuf::ListValue&) {

  return absl::OkStatus();

}

absl::Status CheckJsonList(const google::protobuf::MessageLite& message);

// Checks that the instance of `google.protobuf.Struct` has a descriptor which

// is well formed.

inline absl::Status CheckJsonMap(const google::protobuf::Struct&) {

  return absl::OkStatus();

}

absl::Status CheckJsonMap(const google::protobuf::MessageLite& message);

// Produces a debug string for the given instance of `google.protobuf.Value`.

std::string JsonDebugString(const google::protobuf::Value& message);

std::string JsonDebugString(const google::protobuf::Message& message);

// Produces a debug string for the given instance of

// `google.protobuf.ListValue`.

std::string JsonListDebugString(const google::protobuf::ListValue& message);

std::string JsonListDebugString(const google::protobuf::Message& message);

// Produces a debug string for the given instance of `google.protobuf.Struct`.

std::string JsonMapDebugString(const google::protobuf::Struct& message);

std::string JsonMapDebugString(const google::protobuf::Message& message);

// Compares the given instances of `google.protobuf.Value` for equality.

bool JsonEquals(const google::protobuf::Value& lhs,

                const google::protobuf::Value& rhs);

bool JsonEquals(const google::protobuf::Value& lhs, const google::protobuf::Message& rhs);

bool JsonEquals(const google::protobuf::Message& lhs, const google::protobuf::Value& rhs);

bool JsonEquals(const google::protobuf::Message& lhs, const google::protobuf::Message& rhs);

bool JsonEquals(const google::protobuf::MessageLite& lhs, const google::protobuf::MessageLite& rhs);

// Compares the given instances of `google.protobuf.ListValue` for equality.

bool JsonListEquals(const google::protobuf::ListValue& lhs,

                    const google::protobuf::ListValue& rhs);

bool JsonListEquals(const google::protobuf::ListValue& lhs,

                    const google::protobuf::Message& rhs);

bool JsonListEquals(const google::protobuf::Message& lhs,

                    const google::protobuf::ListValue& rhs);

bool JsonListEquals(const google::protobuf::Message& lhs, const google::protobuf::Message& rhs);

bool JsonListEquals(const google::protobuf::MessageLite& lhs,

                    const google::protobuf::MessageLite& rhs);

// Compares the given instances of `google.protobuf.Struct` for equality.

bool JsonMapEquals(const google::protobuf::Struct& lhs,

                   const google::protobuf::Struct& rhs);

bool JsonMapEquals(const google::protobuf::Struct& lhs,

                   const google::protobuf::Message& rhs);

bool JsonMapEquals(const google::protobuf::Message& lhs,

                   const google::protobuf::Struct& rhs);

bool JsonMapEquals(const google::protobuf::Message& lhs, const google::protobuf::Message& rhs);

bool JsonMapEquals(const google::protobuf::MessageLite& lhs,

                   const google::protobuf::MessageLite& rhs);

}  // namespace cel::internal

#endif  // THIRD_PARTY_CEL_CPP_INTERNAL_JSON_H_