# Invocations
#   cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=1 ..
#   cmake -DCMAKE_BUILD_TYPE=Debug ..
#   cmake -DCMAKE_BUILD_TYPE=Release ..

cmake_minimum_required(VERSION 3.14)
project(wormhole
  VERSION 0.0
  DESCRIPTION "A lightweight federated social media server"
  LANGUAGES CXX)
set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include(Module)

# Main executable of Wormhole
add_executable(wormhole ${PROJECT_SOURCE_DIR}/src/main.cpp)

# Separated as a library
set(SRC_FILES
  ${PROJECT_SOURCE_DIR}/src/jsonhelper.cpp
  ${PROJECT_SOURCE_DIR}/src/database/database_config.cpp
  ${PROJECT_SOURCE_DIR}/src/database/sqlite/sqlite.cpp
  ${PROJECT_SOURCE_DIR}/src/instance/instance.cpp
  ${PROJECT_SOURCE_DIR}/src/http/httpserver.cpp
  ${PROJECT_SOURCE_DIR}/src/http/microhttpd_server.cpp
  ${PROJECT_SOURCE_DIR}/src/http/request.cpp
  ${PROJECT_SOURCE_DIR}/src/http/response.cpp
  ${PROJECT_SOURCE_DIR}/src/http/mime.cpp
  ${PROJECT_SOURCE_DIR}/src/http/error_response.cpp
  ${PROJECT_SOURCE_DIR}/src/http/request_sender.cpp
  ${PROJECT_SOURCE_DIR}/src/crypt/rsa.cpp
  ${PROJECT_SOURCE_DIR}/src/config/config_http.cpp
  ${PROJECT_SOURCE_DIR}/src/config/config_db.cpp
  ${PROJECT_SOURCE_DIR}/src/config/config_loader.cpp
  ${PROJECT_SOURCE_DIR}/src/config/config_instance.cpp
  ${PROJECT_SOURCE_DIR}/src/config/config_frontend.cpp
  ${PROJECT_SOURCE_DIR}/src/types/user.cpp
  ${PROJECT_SOURCE_DIR}/src/types/app.cpp
  ${PROJECT_SOURCE_DIR}/src/thread_pool.cpp
  ${PROJECT_SOURCE_DIR}/src/random.cpp
  ${PROJECT_SOURCE_DIR}/src/control.cpp
  ${PROJECT_SOURCE_DIR}/src/logger.cpp)

add_library(wormhole_lib ${SRC_FILES})

# These go to all targets
add_definitions(-DCONFIG_DIR="${CONFIG_DIR}"
  -DDATA_DIR="${DATA_DIR}")

# Modules
# Features that can be excluded can be added here
add_module(HOST_META)
add_module(WEBFINGER)
add_module(ACTIVITYPUB)
add_module(OAUTH)
add_module(MASTO_API)
add_module(FCGI)

# General includes
include(CTest)

find_package(RapidJSON)
find_package(CURL)
find_package(PkgConfig REQUIRED)
find_package(Threads REQUIRED)
find_package(SQLite3)
find_package(OpenSSL REQUIRED)
pkg_check_modules(LIBMICROHTTPD REQUIRED libmicrohttpd)
pkg_check_modules(YAML_CPP REQUIRED yaml-cpp)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# C++ settings
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
add_compile_options(-Wall -Wno-unused-function -Wno-reorder)

# Config directories definition
# TODO customizing
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
  message("Warning: Building in Debug mode... This is for development purposes only!\n")
  add_compile_options(-Wall -g)
  enable_testing()
  if(NOT DEFINED CONFIG_DIR)
    message("CONFIG_DIR not set: Setting to empty")
    set(CONFIG_DIR "." CACHE PATH "Config directory e.g. YAML files")
  endif()
  if(NOT DEFINED DATA_DIR)
    message("DATA_DIR not set: Setting to \"data\"")
    set(DATA_DIR "data" CACHE PATH "Data directory e.g. SQLite3 database")
  endif()
else()
  # Some asserts are in the code...
  add_definitions(-DNDEBUG)
  add_compile_options(-Wall -Wno-used-function -Wno-reorder -O2)
  if(NOT DEFINED CONFIG_DIR)
    message("CONFIG_DIR not set: Setting to \"/etc/wormhole/\"")
    set(CONFIG_DIR "/etc/wormhole" CACHE PATH "Config directory e.g. YAML files")
  endif()
  if(NOT DEFINED DATA_DIR)
    message("DATA_DIR not set: Setting to \"/usr/share/wormhole\"")
    set(DATA_DIR "/usr/share/wormhole" CACHE PATH "Data directory e.g. SQLite3 database")
  endif()  
endif()

set(WORMHOLE_INCLUDE_DIRS 
  ${LIBMICROHTTPD_INCLUDE_DIRS}
  ${YAML_CPP_INCLUDE_DIRS}
  ${SQLite3_INCLUDE_DIRS}
  ${CURL_INCLUDE_DIRS}
  ${OPENSSL_INCLUDE_DIR}
  ${RAPIDJSON_INCLUDE_DIRS}
  ${PROJECT_SOURCE_DIR}/src/
CACHE INTERNAL "")

include_directories(wormhole ${WORMHOLE_INCLUDE_DIRS})
add_subdirectory(src/protocol)
add_subdirectory(src/frontends)

# automated tests
if(BUILD_TESTING)
    add_subdirectory(test)
endif()

target_link_libraries(wormhole wormhole_lib
  wormhole_webfinger_module
  wormhole_activitypub_module
  wormhole_host_meta_module
  wormhole_oauth_module
  wormhole_masto_api_module
  wormhole_fcgi_module
  ${CMAKE_DL_LIBS}
  ${LIBMICROHTTPD_LIBRARIES}
  ${SQLite3_LIBRARIES}
  ${YAML_CPP_LIBRARIES}
  ${CURL_LIBRARIES}
  ${OPENSSL_CRYPTO_LIBRARIES}
  ${CMAKE_THREAD_LIBS_INIT})