if (MSVC)
 cmake_minimum_required(VERSION 3.26)
else()
 cmake_minimum_required(VERSION 3.15)
endif() 
set(CMAKE_BUILD_TYPE Debug)
project (nostril C)

include_directories(${CMAKE_SOURCE_DIR}/ext/secp256k1/include)
add_subdirectory(${CMAKE_SOURCE_DIR}/ext/secp256k1)

#//////////////////////////
#windows.h header file has macros for min and max, nostril defines max
#//////////////////////////

if (MSVC)
  add_definitions(-DNOMINMAX)
  add_definitions(-D_CRT_SECURE_NO_WARNINGS)
  add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
endif()

#//////////////////////////
#sources 
#//////////////////////////

set(src ${src})
set(src ${src} hex.h)
set(src ${src} proof.h)
set(src ${src} cursor.h)
set(src ${src} endian.h)
set(src ${src} random.h)
set(src ${src} sha256.h)
set(src ${src} sha256.c)
set(src ${src} base64.h)
set(src ${src} base64.c)
set(src ${src} aes.h)
set(src ${src} aes.c)
if (MSVC)
  set(src ${src} clock_gettime.h)
endif()

#//////////////////////////
#link with libraries
#lib_dep contains a cascade definition of all the libraries needed to link
#//////////////////////////

set(lib_dep ${lib_dep})
if (MSVC)
  set(lib_dep ${lib_dep} ${CMAKE_BINARY_DIR}/ext/secp256k1/src/Debug/libsecp256k1.lib)
  set(lib_dep ${lib_dep} Bcrypt.lib)
else()
  set(lib_dep ${lib_dep} ${CMAKE_BINARY_DIR}/ext/secp256k1/src/libsecp256k1.a)
endif()


#//////////////////////////
#executables
#//////////////////////////

# tool to generate file 'config.h' , generate from a shell with 
# configurator.exe > config.h
add_executable(configurator configurator.c)

add_executable(nostril ${src} nostril.c)
target_link_libraries (nostril ${lib_dep})

#//////////////////////////
# generate  config.h
#//////////////////////////

add_custom_command(
    TARGET configurator
    POST_BUILD
    COMMAND configurator > config.h 
    COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_BINARY_DIR}/config.h" ${CMAKE_SOURCE_DIR}
    COMMENT "generating config.h"
)