#-----------------------------------------------------------------------------
#
#  CMake Config
#
#  Nominatim
#
#-----------------------------------------------------------------------------

cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")


#-----------------------------------------------------------------------------
#
#  Project version
#
#-----------------------------------------------------------------------------

project(nominatim)

set(NOMINATIM_VERSION_MAJOR 3)
set(NOMINATIM_VERSION_MINOR 3)
set(NOMINATIM_VERSION_PATCH 0)

set(NOMINATIM_VERSION "${NOMINATIM_VERSION_MAJOR}.${NOMINATIM_VERSION_MINOR}.${NOMINATIM_VERSION_PATCH}")

add_definitions(-DNOMINATIM_VERSION="${NOMINATIM_VERSION}")


#-----------------------------------------------------------------------------
#
#  Find external dependencies
#
#-----------------------------------------------------------------------------

set(BUILD_TESTS off CACHE BOOL "Build test suite" FORCE)
set(WITH_LUA off CACHE BOOL "Build with lua support" FORCE)
set(ONLY_DOCS off CACHE BOOL "Build documentation only")

if (NOT ONLY_DOCS)
    if (NOT EXISTS "${CMAKE_SOURCE_DIR}/osm2pgsql/CMakeLists.txt")
        message(FATAL_ERROR "The osm2pgsql directory is empty.\
        Did you forget to check out Nominatim recursively?\
        \nTry updating submodules with: git submodule update --init")
    endif()
    add_subdirectory(osm2pgsql)

    find_package(Threads REQUIRED)

    unset(PostgreSQL_TYPE_INCLUDE_DIR CACHE)
    set(PostgreSQL_TYPE_INCLUDE_DIR "/usr/include/")
    find_package(PostgreSQL REQUIRED)
    include_directories(${PostgreSQL_INCLUDE_DIRS})
    link_directories(${PostgreSQL_LIBRARY_DIRS})

    find_program(PYOSMIUM pyosmium-get-changes)
    if (NOT EXISTS "${PYOSMIUM}")
        set(PYOSMIUM_PATH "")
            message(WARNING "pyosmium-get-changes not found (required for updates)")
    else()
        set(PYOSMIUM_PATH "${PYOSMIUM}")
        message(STATUS "Using pyosmium-get-changes at ${PYOSMIUM_PATH}")
    endif()


    find_program(PG_CONFIG pg_config)
    execute_process(COMMAND ${PG_CONFIG} --pgxs
                    OUTPUT_VARIABLE PGXS
                    OUTPUT_STRIP_TRAILING_WHITESPACE)

    if (NOT EXISTS "${PGXS}")
        message(FATAL_ERROR "Postgresql server package not found.")
    endif()

    find_package(ZLIB REQUIRED)

    find_package(BZip2 REQUIRED)

    find_package(LibXml2 REQUIRED)
    include_directories(${LIBXML2_INCLUDE_DIR})

    # Setting PHP binary variable as to command line (prevailing) or auto detect
    if (NOT PHP_BIN)
         find_program (PHP_BIN php)
    endif()
    # sanity check if PHP binary exists
    if (NOT EXISTS ${PHP_BIN})
        message(FATAL_ERROR "PHP binary not found. Install php or provide location with -DPHP_BIN=/path/php ")
    endif()
    message (STATUS "Using PHP binary " ${PHP_BIN})
endif()

#-----------------------------------------------------------------------------
#
# Setup settings and paths
#
#-----------------------------------------------------------------------------

set(WEBSITESCRIPTS
    website/deletable.php
    website/details.php
    website/hierarchy.php
    website/lookup.php
    website/polygons.php
    website/reverse.php
    website/search.php
    website/status.php
)

set(WEBSITEFILES
    403.html
    509.html
    crossdomain.xml
    favicon.ico
    nominatim.xml
    robots.txt
    taginfo.json
)

set(CUSTOMSCRIPTS
    utils/country_languages.php
    utils/importWikipedia.php
    utils/export.php
    utils/query.php
    utils/setup.php
    utils/specialphrases.php
    utils/update.php
    utils/warm.php
   )

foreach (script_source ${CUSTOMSCRIPTS})
    configure_file(${PROJECT_SOURCE_DIR}/cmake/script.tmpl
                   ${PROJECT_BINARY_DIR}/${script_source})
endforeach()

foreach (script_source ${WEBSITESCRIPTS})
    configure_file(${PROJECT_SOURCE_DIR}/cmake/website.tmpl
                   ${PROJECT_BINARY_DIR}/${script_source})
endforeach()

foreach (webfile ${WEBSITEFILES})
    configure_file(${PROJECT_SOURCE_DIR}/website/${webfile}
                   ${PROJECT_BINARY_DIR}/website/${webfile})
endforeach()

configure_file(${PROJECT_SOURCE_DIR}/settings/defaults.php
               ${PROJECT_BINARY_DIR}/settings/settings.php)

set(WEBPATHS css images js)

foreach (wp ${WEBPATHS})
    execute_process(
        COMMAND ln -sf ${PROJECT_SOURCE_DIR}/website/${wp} ${PROJECT_BINARY_DIR}/website/
    )
endforeach()


#-----------------------------------------------------------------------------
#
# Tests
#
#-----------------------------------------------------------------------------

if (NOT ONLY_DOCS)
    include(CTest)

    set(TEST_BDD db osm2pgsql api)

    foreach (test ${TEST_BDD})
        add_test(NAME bdd_${test}
                 COMMAND lettuce features/${test}
                 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests)
        set_tests_properties(bdd_${test}
            PROPERTIES ENVIRONMENT "NOMINATIM_DIR=${PROJECT_BINARY_DIR}")
    endforeach()

    add_test(NAME php
             COMMAND phpunit ./
             WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests-php)
endif()

#-----------------------------------------------------------------------------

if (NOT ONLY_DOCS)
    add_subdirectory(module)
    add_subdirectory(nominatim)
endif()
add_subdirectory(docs)

#-----------------------------------------------------------------------------