#===============================================================================
# Copyright 2020-2022 Intel Corporation.
#
# This software and the related documents are Intel copyrighted  materials,  and
# your use of  them is  governed by the  express license  under which  they were
# provided to you (License).  Unless the License provides otherwise, you may not
# use, modify, copy, publish, distribute,  disclose or transmit this software or
# the related documents without Intel's prior written permission.
#
# This software and the related documents  are provided as  is,  with no express
# or implied  warranties,  other  than those  that are  expressly stated  in the
# License.
#===============================================================================

cmake_minimum_required(VERSION 3.13)
enable_testing()

# Add cmake scripts and modules to CMake search path
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

# Define language and compiler
set(TEST_LANG C)
set(TEST_EXT c)
set(DATA_EXT d)
include(setup_examples)

project(MKL_Examples LANGUAGES ${TEST_LANG})
find_package(MKL CONFIG REQUIRED)

# Generate domainList and ${domain}_funcList
include(generate_examples_list)

if(WIN32)
  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
endif()

# Define target for each function from each domain
if(domainList)
foreach(domain IN LISTS domainList)
  set(TEST_INCLUDE "")
  set(TEST_COPT "")
  set(TEST_LOPT "")

  # Suppress CRT warning on Windows
  if(WIN32)
    list(APPEND TEST_COPT "-D_CRT_SECURE_NO_WARNINGS")
    if (CMAKE_${TEST_LANG}_COMPILER_ID STREQUAL "ICL")
      list(APPEND TEST_COPT "/Qdiag-disable:1478")
    endif()
  endif()

  # Domain specific options and targets
  if(domain STREQUAL "blas")
    add_library(blas_common ${CMAKE_CURRENT_SOURCE_DIR}/blas/source/common_func.c)
    target_include_directories(blas_common PUBLIC $<TARGET_PROPERTY:MKL::MKL,INTERFACE_INCLUDE_DIRECTORIES>)
    target_compile_options(blas_common PUBLIC ${TEST_COPT} $<TARGET_PROPERTY:MKL::MKL,INTERFACE_COMPILE_OPTIONS>)
    list(APPEND TEST_LOPT blas_common)
  endif()
  if(domain STREQUAL "fftw3x")
    list(APPEND TEST_INCLUDE "${MKL_INCLUDE}/fftw")
  endif()
  if(domain STREQUAL "trans")
    add_library(common_func ${CMAKE_CURRENT_SOURCE_DIR}/trans/source/common_func.c)
    target_include_directories(common_func PUBLIC $<TARGET_PROPERTY:MKL::MKL,INTERFACE_INCLUDE_DIRECTORIES>)
    target_compile_options(common_func PUBLIC ${TEST_COPT} $<TARGET_PROPERTY:MKL::MKL,INTERFACE_COMPILE_OPTIONS>)
    set(TEST_LOPT common_func)
  endif()

  # Build target for each example

  if(NOT "${${domain}_funcList}" STREQUAL "")
    message(STATUS "Functions list ${domain}: ${${domain}_funcList}")
    foreach(func IN LISTS ${domain}_funcList)
      string(STRIP ${func} func_name)
      set(func "${domain}-${func_name}")

      file(GLOB_RECURSE ${domain}_${func}_SRC ${PROJECT_SOURCE_DIR}/${domain}/*/${func_name}.${TEST_EXT})
      if(NOT ${domain}_${func}_SRC)
        message(FATAL_ERROR "${domain} source file ${func_name}.${TEST_EXT} was not found")
      endif()

      if(domain STREQUAL "vsl_essl")
        string(REPLACE "source/example_" "vsl_wrappers/sample_" wrapper_func_name ${${domain}_${func}_SRC})
        list(APPEND ${domain}_${func}_SRC ${wrapper_func_name})
      endif()

      add_executable(${func} ${${domain}_${func}_SRC})
      set_property(TARGET ${func} PROPERTY C_STANDARD 99)
      target_include_directories(${func} PUBLIC ${TEST_INCLUDE} $<TARGET_PROPERTY:MKL::MKL,INTERFACE_INCLUDE_DIRECTORIES>)
      target_compile_options(${func} PUBLIC ${TEST_COPT} $<TARGET_PROPERTY:MKL::MKL,INTERFACE_COMPILE_OPTIONS>)
      target_link_libraries(${func} PUBLIC ${TEST_LOPT} $<LINK_ONLY:MKL::MKL>)

      # Register example as ctest
      file(GLOB_RECURSE ${domain}_${func_name}_DATA ${PROJECT_SOURCE_DIR}/${domain}/*/${func_name}.${DATA_EXT})
      if(EXISTS ${${domain}_${func_name}_DATA})
        if(domain STREQUAL "blas")
          add_test(NAME ${func} COMMAND ${func} ${${domain}_${func_name}_DATA})
        elseif(domain STREQUAL "vsl")
          add_test(NAME ${func} COMMAND cmake -E echo \"${${domain}_${func_name}_DATA}\" | ${func})
        endif()
      else()
        add_test(NAME ${func} COMMAND ${func})
      endif()

      # Add Environment variables
      if(MKL_ENV)
        set_tests_properties(${func} PROPERTIES ENVIRONMENT "${MKL_ENV}")
      endif()
    endforeach() #${domain}_funcList
  endif()
endforeach() #domainList
endif() #not empty domainList
