# CMakeLists.txt
#
# Description: cmake file for python database bindings for GREAT-ER
#
# Authors:
# Andre Heinecke <aheinecke@intevation.de>
# Björn Ricks <bjoern.ricks@intevation.de>
#
# Copyright:
# Copyright (C) 2011 by Intevation GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# or, at your option, any later version as published by the Free
# Software Foundation
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

project(dagreater_pg)

cmake_minimum_required(VERSION 2.6)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

set(CMAKE_PYDAGREATER_VERSION_MAJOR 1)
set(CMAKE_PYDAGREATER_VERSION_MINOR 9)
set(CMAKE_PYDAGREATER_VERSION_PATCH 0)
set(CMAKE_PYDAGREATER_VERSION_STRING  "${CMAKE_PYDAGREATER_VERSION_MAJOR}.${CMAKE_PYDAGREATER_VERSION_MINOR}.${CMAKE_PYDAGREATER_VERSION_PATCH}")

option(PYDAGERATER_ENABLE_TESTS "Enable tests" OFF)
option(PYDAGREATER_DEBUG "Add debug output" OFF)

if (PYDAGREATER_ENABLE_TESTS)
    message(STATUS "Testing is not yet implemented from cmake")
    add_subdirectory(tests)
endif (PYDAGREATER_ENABLE_TESTS)

find_package(Dagreater)
find_package(PythonLibs 2.3 REQUIRED)
find_package(PythonInterp REQUIRED)

if (NOT DAGREATER_FOUND)
    add_subdirectory(${CMAKE_SOURCE_DIR}/impl/postgresql)
    set(DAGREATER_LIBRARIES dagreater_pg)
    set(DAGREATER_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/impl/postgresql)
endif()

set(PYDAGREATER_INSTALL_PATH "python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages/GreaterDB")

if (MSVC)
   add_definitions(-D_CRT_SECURE_NO_WARNINGS)
   add_definitions(/we4700)
endif()

set(DEBUG_ARG "")

if (PYDAGREATER_DEBUG)
    set(CMAKE_BUILD_TYPE "RelWithDebInfo")
    set(DEBUG_ARG "--debug") 
endif()

include_directories(${CMAKE_CURRENT_BINARY_DIR} ${DAGREATER_INCLUDE_DIRS} ${PYTHON_INCLUDE_DIRS})

set(pydagreater_SRCS
    ${CMAKE_CURRENT_BINARY_DIR}/dagreater/_dagreater_pg.c
)

set(PYDAGREATER_SOURCE_FILES
    ${CMAKE_SOURCE_DIR}/GreaterDB/dssfiledb.py
    ${CMAKE_SOURCE_DIR}/GreaterDB/__init__.py
    ${CMAKE_SOURCE_DIR}/GreaterDB/interface.py
    )

set(PYDAGREATER_FILES
    ${PYDAGREATER_SOURCE_FILES}
    ${CMAKE_SOURCE_DIR}/GreaterDB/dssfiledb.pyc
    ${CMAKE_SOURCE_DIR}/GreaterDB/__init__.pyc
    ${CMAKE_SOURCE_DIR}/GreaterDB/interface.pyc
    )

set(PYDAGREATER_GENERATOR_FILES
    ${CMAKE_SOURCE_DIR}/generator/WrapperGenerator/typesystem.py
    ${CMAKE_SOURCE_DIR}/generator/WrapperGenerator/cmodule.py
    ${CMAKE_SOURCE_DIR}/generator/WrapperGenerator/functions.py
    ${CMAKE_SOURCE_DIR}/generator/GreaterAPIGenerator/cfiles.py
    ${CMAKE_SOURCE_DIR}/generator/GreaterAPIGenerator/dbfunctions.py
    ${CMAKE_SOURCE_DIR}/generator/GreaterAPIGenerator/greatertypes.py
    ${CMAKE_SOURCE_DIR}/generator/GreaterAPIGenerator/main.py
    ${CMAKE_SOURCE_DIR}/generator/GreaterAPIGenerator/pyfiles.py
    ${CMAKE_SOURCE_DIR}/generator/GreaterAPIGenerator/helper.py
    )

install(FILES
    ${CMAKE_CURRENT_BINARY_DIR}/dagreater/pydagreater.py
    ${PYDAGREATER_FILES}
    DESTINATION lib/${PYDAGREATER_INSTALL_PATH}
)

ADD_CUSTOM_COMMAND(
    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/dagreater/_dagreater_pg.c
           ${CMAKE_CURRENT_BINARY_DIR}/dagreater/pydagreater.py
           COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/generatewrapper.py ${DEBUG_ARG}
            -o ${CMAKE_CURRENT_BINARY_DIR}/dagreater
            -i ${CMAKE_SOURCE_DIR}/dagreater
            DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/dagreater/apispec.py ${CMAKE_SOURCE_DIR}/generatewrapper.py
            ${PYDAGREATER_GENERATOR_FILES}
)

macro(python_compile PYTHON_FILE)
    string(REPLACE ".py" ".pyc" PYTHON_COMPILED_FILE "${PYTHON_FILE}")
    get_filename_component(_target ${PYTHON_COMPILED_FILE} NAME)
    add_custom_target( ${_target} ALL
        COMMAND ${PYTHON_EXECUTABLE} -m py_compile
                ${PYTHON_FILE}
        COMMENT "Compiling ${PYTHON_FILE}"
        SOURCES ${PYTHON_FILE}
    )
endmacro(python_compile)

foreach(_PYTHON_FILE ${PYDAGREATER_SOURCE_FILES})
    message(STATUS "Compiling ${_PYTHON_FILE}")
    python_compile(${_PYTHON_FILE})
endforeach(_PYTHON_FILE)

add_library(pydagreater MODULE ${pydagreater_SRCS})
target_link_libraries(pydagreater ${DAGREATER_LIBRARIES}
                                  ${PYTHON_LIBRARIES})

set_target_properties(pydagreater PROPERTIES PREFIX ""
    OUTPUT_NAME _dagreater_pg)
if(WIN32 AND NOT CYGWIN)
    set_target_properties(pydagreater PROPERTIES
        SUFFIX .pyd
        LINK_FLAGS /EXPORT:init_dagreater_pg
    )
ENDIF()


install(TARGETS pydagreater ARCHIVE DESTINATION ${CMAKE_INSTALL_PREFIX}
    LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/${PYDAGREATER_INSTALL_PATH})