# Copyright (c) 2013-2016, Roland Bock, Alexey Elymanov
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
#   Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
#
#   Redistributions in binary form must reproduce the above copyright notice, this
#   list of conditions and the following disclaimer in the documentation and/or
#   other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

include(FindPython3)

if (${Python3_Interpreter_FOUND})
    execute_process(
        COMMAND ${Python3_EXECUTABLE} -c "import pyparsing"
        RESULT_VARIABLE PythonRESULT
        OUTPUT_VARIABLE PythonOUTPUT
        ERROR_VARIABLE PythonERROR
    )

    if (${PythonRESULT})
        message(WARNING "Pyparsing is not installed. Disabling ddl2cpp tests")
    else()
        message(STATUS "Pyparsing is installed: Enabling ddl2cpp tests.")

        add_test(NAME sqlpp11.scripts.ddl2cpp.parser
            COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_LIST_DIR}/../../scripts/ddl2cpp"
                    "--test"
                    test)

        add_test(NAME sqlpp11.scripts.ddl2cpp.bad_will_fail
            COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_LIST_DIR}/../../scripts/ddl2cpp"
                    "${CMAKE_CURRENT_LIST_DIR}/ddl2cpp_sample_bad.sql"
                    "${CMAKE_CURRENT_BINARY_DIR}/fail"
                    test)
        set_tests_properties(sqlpp11.scripts.ddl2cpp.bad_will_fail PROPERTIES WILL_FAIL 1)

        add_test(NAME sqlpp11.scripts.ddl2cpp.bad_has_parse_error
            COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_LIST_DIR}/../../scripts/ddl2cpp"
                    "${CMAKE_CURRENT_LIST_DIR}/ddl2cpp_sample_bad.sql"
                    "${CMAKE_CURRENT_BINARY_DIR}/fail"
                    test)
        set_tests_properties(sqlpp11.scripts.ddl2cpp.bad_has_parse_error PROPERTIES
            PASS_REGULAR_EXPRESSION "ERROR: Could not parse.*")

        add_test(NAME sqlpp11.scripts.ddl2cpp.good_succeeds
            COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_LIST_DIR}/../../scripts/ddl2cpp"
                    "${CMAKE_CURRENT_LIST_DIR}/ddl2cpp_sample_good.sql"
                    "${CMAKE_CURRENT_BINARY_DIR}/fail"
                    test)

        include_directories(${CMAKE_CURRENT_BINARY_DIR})

        foreach(sample_name sample sample_identity_naming)
            set(sqlpp.scripts.generated.sample.include "${CMAKE_CURRENT_BINARY_DIR}/${sample_name}")
            set(use_identity_naming)
            if(sample_name STREQUAL "sample_identity_naming")
                set(use_identity_naming -identity-naming)
            endif()
            add_custom_command(
                OUTPUT "${sqlpp.scripts.generated.sample.include}.h"
                COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_LIST_DIR}/../../scripts/ddl2cpp"
                        ${use_identity_naming}
                        "${CMAKE_CURRENT_LIST_DIR}/ddl2cpp_sample_good.sql"
                        "${sqlpp.scripts.generated.sample.include}"
                        test
                DEPENDS "${CMAKE_CURRENT_LIST_DIR}/ddl2cpp_sample_good.sql"
                VERBATIM)

            add_executable(sqlpp.scripts.compiled.${sample_name} ${sample_name}.cpp
                "${sqlpp.scripts.generated.sample.include}.h")
            target_link_libraries(sqlpp.scripts.compiled.${sample_name} PRIVATE sqlpp11)
        endforeach()

        # Invalid .types names
        # TODO: Read the types from a text file and generate the input .sql files in the build directory
        foreach(bad_type "booltype" "invalid" "serial5" "typeint")
#            message(STATUS "${bad_type}")
            set(bad_type_test_name "sqlpp11.scripts.ddl2cpp.bad_type.${bad_type}")
            add_test(NAME "${bad_type_test_name}"
                COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_LIST_DIR}/../../scripts/ddl2cpp"
                        "${CMAKE_CURRENT_LIST_DIR}/ddl2cpp_sample_bad_type_${bad_type}.sql"
                        "${CMAKE_CURRENT_BINARY_DIR}/fail"
                        test)
            set_tests_properties("${bad_type_test_name}" PROPERTIES
                PASS_REGULAR_EXPRESSION "Error: unsupported datatypes.")
        endforeach()

        # Custom types defined in a CSV file
        set(custom_type_sql "ddl2cpp_sample_good_custom_type")
        set(sqlpp.scripts.generated.custom_type_sql.include "${CMAKE_CURRENT_BINARY_DIR}/${custom_type_sql}")
        add_custom_command(
            OUTPUT "${sqlpp.scripts.generated.custom_type_sql.include}.h"
            COMMAND "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_LIST_DIR}/../../scripts/ddl2cpp"
                    "--datatype-file=${CMAKE_CURRENT_LIST_DIR}/custom_types.csv"
                    "${CMAKE_CURRENT_LIST_DIR}/${custom_type_sql}.sql"
                    "${sqlpp.scripts.generated.custom_type_sql.include}"
                    test
            DEPENDS "${CMAKE_CURRENT_LIST_DIR}/${custom_type_sql}.sql"
            VERBATIM)
        add_executable(sqlpp.scripts.compiled.${custom_type_sql} ${custom_type_sql}.cpp
            "${sqlpp.scripts.generated.custom_type_sql.include}.h")
        target_link_libraries(sqlpp.scripts.compiled.${custom_type_sql} PRIVATE sqlpp11)
    endif()
endif()