cmake_minimum_required(VERSION 3.10)

include(CMakePushCheckState)
include(CheckIncludeFile)

## Git version
find_program(GIT_EXE git)
if(EXISTS ${GIT_EXE})
   execute_process(COMMAND ${GIT_EXE} describe --dirty --always --tag
      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
      OUTPUT_VARIABLE GIT_VERSION
      RESULT_VARIABLE GIT_DESCRIBE_RESULT
      OUTPUT_STRIP_TRAILING_WHITESPACE)
   if(NOT ${GIT_DESCRIBE_RESULT} EQUAL 0)
      set(GIT_VERSION unknown)
   endif(NOT ${GIT_DESCRIBE_RESULT} EQUAL 0)
else(EXISTS ${GIT_EXE})
   set(GIT_VERSION unknown)
endif(EXISTS ${GIT_EXE})

# set the project name
project(Magicard-CUPS-driver
   DESCRIPTION "CUPS driver for Magicard Printers"
   HOMEPAGE_URL "http://www.magicard.com"
   LANGUAGES C)

## Configure CUPS
# https://github.com/pdewacht/brlaser/blob/master/CMakeLists.txt

find_program(CUPS_CONFIG NAMES cups-config)
if(NOT CUPS_CONFIG)
   message(FATAL_ERROR "cups-config command not found. Are the CUPS development packages installed?")
endif()

if(NOT CUPS_DATA_DIR)
   execute_process(
      COMMAND "${CUPS_CONFIG}" --datadir
      OUTPUT_VARIABLE CUPS_DATA_DIR
      OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if(NOT CUPS_SERVER_BIN)
   execute_process(
      COMMAND "${CUPS_CONFIG}" --serverbin
      OUTPUT_VARIABLE CUPS_SERVER_BIN
      OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if(NOT CUPS_CFLAGS)
   execute_process(
      COMMAND "${CUPS_CONFIG}" --cflags
      OUTPUT_VARIABLE CUPS_CFLAGS
      OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if(NOT CUPS_LDFLAGS)
   execute_process(
      COMMAND "${CUPS_CONFIG}" --ldflags
      OUTPUT_VARIABLE CUPS_LDFLAGS
      OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if(NOT CUPS_LIBS)
   execute_process(
      COMMAND "${CUPS_CONFIG}" --image --libs
      OUTPUT_VARIABLE CUPS_LIBS
      OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()


cmake_push_check_state()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${CUPS_CFLAGS}")
check_include_file(cups/raster.h HAVE_CUPS_RASTER_H)
cmake_pop_check_state()
if(NOT HAVE_CUPS_RASTER_H)
   message(SEND_ERROR "<cups/raster.h> header not found. Are the CUPS development packages installed?")
endif()

#add_subdirectory(src)
set (PROJ_BUILD_FLAGS "\
-Wall \
-Wextra \
-Wpedantic \
-Werror \
-Wno-error=deprecated \
-Wno-error=deprecated-declarations \
-fPIC \
")



set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DDEBUG")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${PROJ_BUILD_FLAGS}")

# add the executable
add_executable(rastertoultra src/rastertoultra.c
   src/colour-profiles/magiox.c
   src/colour-profiles/magir2x.c
   src/colour-profiles/magiry.c
   src/colrmtch.c
   src/crc32.c
   src/magencd.c
   src/rp2mag.c
   src/utils.c
   src/rp2mag_encode.c
   src/command_helper.c
   src/commandmb1.c)

target_compile_options(rastertoultra PRIVATE ${CUPS_CFLAGS})
target_link_libraries(rastertoultra ${CUPS_LIBS})
target_link_libraries(rastertoultra ${CUPS_LDFLAGS})
target_link_libraries(rastertoultra m)


add_executable(cmdtoultra src/cmdtoultra.c
   src/crc32.c)

target_link_libraries(cmdtoultra PRIVATE ${CUPS_LIBS})

## INSTALL
file(GLOB PPD_FILES LIST_DIRECTORIES false ppd/*.ppd)
install(
   TARGETS rastertoultra cmdtoultra
   DESTINATION "${CUPS_SERVER_BIN}/filter")
install(FILES ${PPD_FILES} DESTINATION "${CUPS_DATA_DIR}/model/ultra")

## Package

set(CPACK_PACKAGE_VERSION "${GIT_VERSION}")

if (APPLE)
   set(CPACK_GENERATOR "productbuild")
else()
   # DEB
   set(CPACK_GENERATOR "DEB")
   set(CPACK_DEBIAN_PACKAGE_MAINTAINER "Magicard Ltd")
endif()

# Source TGZ
# TODO: This isn't yet complete.
set(CPACK_SOURCE_GENERATOR "TGZ")
set(CPACK_SOURCE_IGNORE_FILES
   .clang-format
   \\.git/
   .gitmodules
   .gitignore
   .vim/
   ".*~$"
   ".*\.cmake$"
   /bin/
   /build/
   /build_temp/
   /build_tools/
   /CMakeFiles/
   /_CPack_Packages/
   /deb/
   /debian/
   /install/
   /output/
   bitbucket-pipelines.yml
   CMakeCache.txt
   cmdtoultra
   install_manifest.txt
   jenkinsfile
   Makefile
   rastertoultra
   readme.md
   "Magicard-CUPS-driver-.*-Source.*"
   ".*\.deb"
   )
set(CPACK_VERBATIM_VARIABLES YES)
include(CPack)

## TESTS

#add_subdirectory(test/unity EXCLUDE_FROM_ALL)
#add_executable(test_rp2_mag EXCLUDE_FROM_ALL test/test_rp2_mag.c
#   src/rp2mag.c
#   src/rp2mag_encode.c
#   src/utils.c)
#target_compile_definitions(test_rp2_mag PRIVATE TEST)
#target_include_directories(test_rp2_mag PRIVATE src)
#target_link_libraries(test_rp2_mag unity)
#
#add_executable(test_dpi EXCLUDE_FROM_ALL test/test_dpi.c
#   src/rastertoultra.c
#   src/utils.c
#   src/crc32.c
#   src/rp2mag.c
#   src/colrmtch.c
#   src/rp2mag_encode.c
#   src/magencd.c
#   src/colour-profiles/magir2x.c
#   src/colour-profiles/magiox.c
#   src/colour-profiles/magiry.c)
#target_include_directories(test_dpi PRIVATE src)
#target_compile_definitions(test_dpi PRIVATE TEST)
#target_compile_options(test_dpi PRIVATE -Wno-unused-function)
#target_link_libraries(test_dpi unity m ${CUPS_LIBS})
#
#enable_testing()
#add_test(test_rp2_mag test_rp2_mag)
#add_test(test_dpi test_dpi)
#
## Autotools-style "make check" command
#add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND})
#add_dependencies(check test_rp2_mag test_dpi)