# Copyright 2023 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
#
#      http://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.

cmake_minimum_required(VERSION 3.19)

include(FetchContent)

set(absl_URL https://github.com/abseil/abseil-cpp.git)
set(absl_TAG 20260107.1)

set(re2_URL https://github.com/google/re2.git)
set(re2_TAG 2025-11-05)

set(gtest_URL https://github.com/google/googletest.git)
set(gtest_TAG v1.17.0)

# From https://www.antlr.org/download.html
set(antlr_cpp_URL https://www.antlr.org/download/antlr4-cpp-runtime-4.13.2-source.zip)
set(antlr_cpp_MD5 bac8aef215ffd7b23a1dde2fcfe3c842)

set(proto_URL https://github.com/protocolbuffers/protobuf.git)
set(proto_TAG v33.5)

set(nlohmann_json_URL https://github.com/nlohmann/json.git)
set(nlohmann_json_TAG v3.12.0)

set(flatbuffers_URL https://github.com/google/flatbuffers.git)
set(flatbuffers_TAG v25.12.19)

if(POLICY CMP0135)
	cmake_policy(SET CMP0135 NEW)
	set(CMAKE_POLICY_DEFAULT_CMP0135 NEW)
endif()

FetchContent_Declare(
  abseil-cpp
  GIT_REPOSITORY ${absl_URL}
  GIT_TAG        ${absl_TAG}
)

FetchContent_Declare(
  re2
  GIT_REPOSITORY ${re2_URL}
  GIT_TAG        ${re2_TAG}
)

FetchContent_Declare(
  googletest
  GIT_REPOSITORY ${gtest_URL}
  GIT_TAG        ${gtest_TAG}
)

FetchContent_Declare(
  antlr_cpp
  URL      ${antlr_cpp_URL}
  URL_HASH MD5=${antlr_cpp_MD5}
)

if (FUZZTEST_BUILD_FLATBUFFERS)
  FetchContent_Declare(
    flatbuffers
    GIT_REPOSITORY ${flatbuffers_URL}
    GIT_TAG        ${flatbuffers_TAG}
  )
endif()

if (FUZZTEST_BUILD_TESTING)

  FetchContent_Declare(
    protobuf
    GIT_REPOSITORY ${proto_URL}
    GIT_TAG        ${proto_TAG}
  )

  FetchContent_Declare(
    nlohmann_json
    GIT_REPOSITORY ${nlohmann_json_URL}
    GIT_TAG        ${nlohmann_json_TAG}
  )

endif ()

set(ABSL_PROPAGATE_CXX_STD ON)
set(ABSL_ENABLE_INSTALL ON)
FetchContent_MakeAvailable(abseil-cpp)

set(RE2_BUILD_TESTING OFF)
FetchContent_MakeAvailable(re2)

set(GTEST_HAS_ABSL ON)
FetchContent_MakeAvailable(googletest)

FetchContent_MakeAvailable(antlr_cpp)

if (FUZZTEST_BUILD_TESTING)

  set(protobuf_BUILD_TESTS OFF)
  set(protobuf_INSTALL OFF)
  FetchContent_MakeAvailable(protobuf)

  FetchContent_MakeAvailable(nlohmann_json)

endif ()

if (FUZZTEST_BUILD_FLATBUFFERS)
  set(FLATBUFFERS_BUILD_TESTS OFF)
  set(FLATBUFFERS_BUILD_INSTALL OFF)
  FetchContent_MakeAvailable(flatbuffers)
endif()