# SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the \"License\");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an \"AS IS\" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

cmake_minimum_required(VERSION 3.20)
project(holoscan_basic_workflow CXX)

# Finds the package holoscan
find_package(holoscan REQUIRED CONFIG
             PATHS "/opt/nvidia/holoscan" "/workspace/holoscan-sdk/install")

# Create example
add_executable(video_replayer_distributed
  video_replayer_distributed.cpp
)

target_link_libraries(video_replayer_distributed
  PRIVATE
  holoscan::core
  holoscan::ops::video_stream_replayer
  holoscan::ops::holoviz
)

# Copy config file
add_custom_target(video_replayer_distributed_yaml
  COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/video_replayer_distributed.yaml" ${CMAKE_CURRENT_BINARY_DIR}
  DEPENDS "video_replayer_distributed.yaml"
  BYPRODUCTS "video_replayer_distributed.yaml"
)
add_dependencies(video_replayer_distributed video_replayer_distributed_yaml)

# Testing
if(BUILD_TESTING)
  file(READ ${CMAKE_CURRENT_SOURCE_DIR}/video_replayer_distributed.yaml CONFIG_STRING)
  string(REPLACE "count: 0" "count: 10" CONFIG_STRING ${CONFIG_STRING})
  set(CONFIG_FILE ${CMAKE_CURRENT_BINARY_DIR}/cpp_video_replayer_distributed_config.yaml)
  file(WRITE ${CONFIG_FILE} ${CONFIG_STRING})

  add_test(NAME EXAMPLE_CPP_VIDEO_REPLAYER_DISTRIBUTED_TEST
    COMMAND ${CMAKE_CURRENT_BINARY_DIR}/video_replayer_distributed --config ${CONFIG_FILE}
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
  )
  
  add_test(NAME EXAMPLE_CPP_VIDEO_REPLAYER_DISTRIBUTED_DRIVER_AND_WORKER_TEST
    COMMAND ${CMAKE_CURRENT_BINARY_DIR}/video_replayer_distributed --config ${CONFIG_FILE} --driver --worker --fragments=all
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
  )

  set_tests_properties(EXAMPLE_CPP_VIDEO_REPLAYER_DISTRIBUTED_TEST PROPERTIES
    PASS_REGULAR_EXPRESSION "Reach end of file or playback count reaches to the limit. Stop ticking."
  )
endif()
