# Find Aruco
#
# This module defines
#  Aruco_FOUND
#  Aruco_INCLUDE_DIRS
#  Aruco_LIBRARIES
#
# Copyright (c) 2012 I-maginer
#
# This program 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 2 of the License, or (at your option) any later
# version.
#
# This program 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA, or go to
# http://www.gnu.org/copyleft/lesser.txt
#

SET(aruco_VERSION        1.4.0)
SET(aruco_VERSION_MAJOR  1)
SET(aruco_VERSION_MINOR  4)
SET(aruco_VERSION_PATCH  0)

# On a new cmake run, we do not need to be verbose
IF(Aruco_INCLUDE_DIR AND Aruco_LIBRARY)
	SET(Aruco_FIND_QUIETLY TRUE)
ENDIF()

include(FindPkgMacros)
create_search_paths(ARUCO)

# If Aruco_ROOT was defined in the environment, use it.
if (NOT Aruco_ROOT)
  if(NOT "$ENV{ARUCO_ROOT}" STREQUAL "")
    set(Aruco_ROOT $ENV{ARUCO_ROOT})
  else()
	set(Aruco_ROOT ${ARUCO_PREFIX_PATH})
  endif()
endif()

SET(Aruco_INCLUDE_SEARCH_DIRS
  ${Aruco_INCLUDE_SEARCH_DIRS}
  ${Aruco_ROOT}/include
  ${Aruco_ROOT}/include/aruco
)
SET(Aruco_LIBRARY_SEARCH_DEBUG_DIRS
  ${Aruco_LIBRARY_SEARCH_DIRS}
  ${Aruco_ROOT}/lib/Debug
  ${Aruco_ROOT}/lib
)
SET(Aruco_LIBRARY_SEARCH_RELEASE_DIRS
  ${Aruco_LIBRARY_SEARCH_DIRS}
  ${Aruco_ROOT}/lib/Release
  ${Aruco_ROOT}/lib
)
# Search for header files
FIND_PATH(Aruco_INCLUDE_DIR aruco.h
  PATHS ${Aruco_INCLUDE_SEARCH_DIRS})

# Search for libraries files (release mode)
FIND_LIBRARY(Aruco_LIBRARY_RELEASE aruco aruco${aruco_VERSION_MAJOR}${aruco_VERSION_MINOR}${aruco_VERSION_PATCH} aruco_d
  PATHS ${Aruco_LIBRARY_SEARCH_RELEASE_DIRS})

# Search for libraries files (debug mode)
if (ANDROID)
  SET (Aruco_LIBRARY_DEBUG ${Aruco_LIBRARY_RELEASE})
else()
  FIND_LIBRARY(Aruco_LIBRARY_DEBUG aruco_d arucod aruco${aruco_VERSION_MAJOR}${aruco_VERSION_MINOR}${aruco_VERSION_PATCH}_d aruco aruco${aruco_VERSION_MAJOR}${aruco_VERSION_MINOR}${aruco_VERSION_PATCH}
    PATHS ${Aruco_LIBRARY_SEARCH_DEBUG_DIRS})
endif()

# Configure libraries for debug/release
SET(Aruco_INCLUDE_DIRS ${Aruco_INCLUDE_DIR} CACHE STRING "Directory containing Aruco header files")
SET(Aruco_LIBRARY debug ${Aruco_LIBRARY_DEBUG} optimized ${Aruco_LIBRARY_RELEASE})
SET(Aruco_LIBRARIES ${Aruco_LIBRARY} CACHE STRING "Aruco libraries files")

IF(Aruco_INCLUDE_DIR AND Aruco_LIBRARY)
	SET(Aruco_FOUND TRUE)
ENDIF()

# Hide those variables in GUI
SET(Aruco_INCLUDE_DIR ${Aruco_INCLUDE_DIR} CACHE INTERNAL "")
SET(Aruco_LIBRARY_DEBUG ${Aruco_LIBRARY_DEBUG} CACHE INTERNAL "")
SET(Aruco_LIBRARY_RELEASE ${Aruco_LIBRARY_RELEASE} CACHE INTERNAL "")
SET(Aruco_LIBRARY ${Aruco_LIBRARY} CACHE INTERNAL "")

# log find result
IF(Aruco_FOUND)
	IF(NOT Aruco_FIND_QUIETLY)
		MESSAGE(STATUS "  libraries: ${Aruco_LIBRARIES}")
		MESSAGE(STATUS "  includes: ${Aruco_INCLUDE_DIRS}")
	ENDIF()
ELSE(Aruco_FOUND)
	IF(NOT Aruco_LIBRARIES)
		MESSAGE(STATUS, "Aruco library or one of it dependencies could not be found.")
	ENDIF()
	IF(NOT Aruco_INCLUDE_DIRS)
		MESSAGE(STATUS "Aruco include files could not be found.")
	ENDIF()
ENDIF(Aruco_FOUND)