#
# Copyright (c) 2014, 2020 CNRS Authors: Joseph Mirabel, Guilhem Saurel
#
# This file is part of hpp-statistics hpp-statistics is free software: you can
# redistribute it and/or modify it under the terms of the GNU Lesser General
# Public License as published by the Free Software Foundation, either version 3
# of the License, or (at your option) any later version.
#
# hpp-statistics is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Lesser Public License for more
# details.  You should have received a copy of the GNU Lesser General Public
# License along with hpp-statistics  If not, see <http://www.gnu.org/licenses/>.

cmake_minimum_required(VERSION 3.22)

set(PROJECT_NAME hpp-statistics)
set(PROJECT_DESCRIPTION "Classes for doing statistics.")

set(PROJECT_USE_CMAKE_EXPORT TRUE)

find_package(jrl-cmakemodules QUIET CONFIG)
if(jrl-cmakemodules_FOUND)
    get_property(
        JRL_CMAKE_MODULES
        TARGET jrl-cmakemodules::jrl-cmakemodules
        PROPERTY INTERFACE_INCLUDE_DIRECTORIES
    )
    message(STATUS "JRL cmakemodules found on system at ${JRL_CMAKE_MODULES}")
else()
    message(STATUS "JRL cmakemodules not found. Let's fetch it.")
    include(FetchContent)
    FetchContent_Declare(
        "jrl-cmakemodules"
        GIT_REPOSITORY "https://github.com/jrl-umi3218/jrl-cmakemodules.git"
    )
    FetchContent_MakeAvailable("jrl-cmakemodules")
    FetchContent_GetProperties("jrl-cmakemodules" SOURCE_DIR JRL_CMAKE_MODULES)
endif()

include("${JRL_CMAKE_MODULES}//hpp.cmake")

compute_project_args(PROJECT_ARGS LANGUAGES CXX)
project(${PROJECT_NAME} ${PROJECT_ARGS})

# Activate hpp-util logging if requested
set(HPP_DEBUG FALSE CACHE BOOL "trigger hpp-util debug output")
if(HPP_DEBUG)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHPP_DEBUG")
endif()

add_project_dependency(hpp-util REQUIRED)

set(${PROJECT_NAME}_HEADERS
    include/hpp/statistics/fwd.hh
    include/hpp/statistics/bin.hh
    include/hpp/statistics/success-bin.hh
    include/hpp/statistics/distribution.hh
)

set(${PROJECT_NAME}_SOURCES src/success-bin.cc)

add_library(
    ${PROJECT_NAME}
    SHARED
    ${${PROJECT_NAME}_SOURCES}
    ${${PROJECT_NAME}_HEADERS}
)
target_include_directories(
    ${PROJECT_NAME}
    PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
target_link_libraries(${PROJECT_NAME} hpp-util::hpp-util)

install(TARGETS ${PROJECT_NAME} EXPORT ${TARGETS_EXPORT_NAME} DESTINATION lib)

add_subdirectory(tests)

# Add dependency toward hpp-statistics library in pkg-config file.
pkg_config_append_libs("hpp-statistics")
