########################################
# Basic Setup                          #
########################################
cmake_minimum_required (VERSION 2.6)
SET(CMAKE_INSTALL_PREFIX "/usr" CACHE PATH "Usr install prefix")
project (MistServer)

if(COMMAND cmake_policy)
  cmake_policy(SET CMP0003 NEW)
endif(COMMAND cmake_policy)

SET(SOURCE_DIR ${PROJECT_SOURCE_DIR})
SET(BINARY_DIR ${PROJECT_BINARY_DIR})
set( CMAKE_EXPORT_COMPILE_COMMANDS ON ) #For YCM support
include_directories(${SOURCE_DIR})
include_directories(${BINARY_DIR} ${BINARY_DIR}/generated)

########################################
# Testing - Enable Tests               #
########################################
enable_testing()
include(CTest)

########################################
# Build Variables - Install Prefix     #
########################################
if (NOT CMAKE_INSTALL_PREFIX)
  set (CMAKE_INSTALL_PREFIX /usr)
endif()

########################################
# Build Variables - Release            #
########################################
if (RELEASE)
  set (RELEASE_RAW ${RELEASE})
else()
#get the bitlength of this system
  execute_process(COMMAND getconf LONG_BIT OUTPUT_VARIABLE RELEASE_RAW )
  set(RELEASE_RAW "Generic_${RELEASE_RAW}" ) 
endif()
string(STRIP ${RELEASE_RAW} RELEASE)
set(RELEASE \"${RELEASE}\" )

########################################
# Build Variables - Package Version    #
########################################
#See if we have a git repo to get the version from
execute_process(COMMAND git describe --tags OUTPUT_VARIABLE PACKAGE_VERSION_RAW ERROR_QUIET)
if (NOT PACKAGE_VERSION_RAW)
  execute_process(COMMAND cat VERSION OUTPUT_VARIABLE PACKAGE_VERSION_RAW ERROR_QUIET)
endif()
if (NOT PACKAGE_VERSION_RAW)
  set(PACKAGE_VERSION_RAW Unknown)
endif()
#strip off the trailing spaces and newline
string(STRIP "${PACKAGE_VERSION_RAW}" PACKAGE_VERSION)
set(PACKAGE_VERSION \"${PACKAGE_VERSION}\" ) 

########################################
# Build Variables - Debug              #
########################################
if (NOT DEBUG)
  set(DEBUG 4)
endif()

########################################
# Build Variables - Shared Memory      #
########################################
if (NOT DEFINED NOSHM )
  add_definitions(-DSHM_ENABLED=1)
endif()

if (DEFINED BIGMETA )
  add_definitions(-DBIGMETA=1)
endif()
if (NOT DEFINED NOSSL )
  add_definitions(-DSSL=1)
endif()

########################################
# Build Variables - Thread Names       #
########################################
if (DEFINED WITH_THREADNAMES )
  add_definitions(-DWITH_THREADNAMES=1)
endif()

########################################
# Build Variables - No Crash Check     #
########################################
if (DEFINED NOCRASHCHECK )
  add_definitions(-DNOCRASHCHECK=1)
endif()

########################################
# Build Variables - Prepare for Build  #
########################################
message("Builing release ${RELEASE} for version ${PACKAGE_VERSION} @ debug level ${DEBUG}")
add_definitions(-g -funsigned-char -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DDEBUG=${DEBUG} -DPACKAGE_VERSION=${PACKAGE_VERSION} -DRELEASE=${RELEASE})

########################################
# MistLib - Header Files               #
########################################
set(libHeaders
  lib/amf.h
  lib/auth.h
  lib/encode.h
  lib/bitfields.h
  lib/bitstream.h
  lib/checksum.h
  lib/config.h
  lib/defines.h
  lib/dtsc.h
  lib/flv_tag.h
  lib/h264.h
  lib/http_parser.h
  lib/downloader.h
  lib/json.h
  lib/langcodes.h
  lib/mp4_adobe.h
  lib/mp4_generic.h
  lib/mp4.h
  lib/mp4_ms.h
  lib/nal.h
  lib/ogg.h
  lib/procs.h
  lib/rtmpchunks.h
  lib/shared_memory.h
  lib/socket.h
  lib/stream.h
  lib/theora.h
  lib/timing.h
  lib/tinythread.h
  lib/ts_packet.h
  lib/util.h
  lib/vorbis.h
  lib/opus.h
  lib/riff.h
  lib/ebml.h
  lib/ebml_socketglue.h
  lib/websocket.h
  lib/url.h
  lib/urireader.h
)

########################################
# MistLib - Build                      #
########################################
add_library (mist 
  ${libHeaders}
  lib/amf.cpp
  lib/auth.cpp
  lib/encode.cpp
  lib/bitfields.cpp
  lib/bitstream.cpp
  lib/config.cpp
  lib/dtsc.cpp
  lib/dtscmeta.cpp
  lib/flv_tag.cpp
  lib/h264.cpp
  lib/http_parser.cpp
  lib/downloader.cpp
  lib/json.cpp
  lib/langcodes.cpp
  lib/mp4_adobe.cpp
  lib/mp4.cpp
  lib/mp4_generic.cpp
  lib/mp4_ms.cpp
  lib/nal.cpp
  lib/ogg.cpp
  lib/procs.cpp
  lib/rtmpchunks.cpp
  lib/shared_memory.cpp
  lib/socket.cpp
  lib/stream.cpp
  lib/theora.cpp
  lib/timing.cpp
  lib/tinythread.cpp
  lib/ts_packet.cpp
  lib/util.cpp
  lib/vorbis.cpp
  lib/opus.cpp
  lib/riff.cpp
  lib/ebml.cpp
  lib/ebml_socketglue.cpp
  lib/websocket.cpp
  lib/url.cpp
  lib/urireader.cpp
)
if (NOT APPLE)
  set (LIBRT -lrt)
endif()
target_link_libraries(mist 
  -lpthread 
  ${LIBRT}
)
if (NOT DEFINED NOSSL )
  target_link_libraries(mist mbedtls mbedx509 mbedcrypto)
endif()
install(
  FILES ${libHeaders}
  DESTINATION include/mist
)
install(
  TARGETS mist
  DESTINATION lib
)

########################################
# MistLib - Local Header Install       #
########################################
if (${CMAKE_VERSION} VERSION_LESS 3.3.0)
add_custom_command(OUTPUT ${BINARY_DIR}/mist/.headers
  COMMAND ${CMAKE_COMMAND}
  ARGS    -E make_directory ${BINARY_DIR}/mist
  COMMAND cp
  ARGS    ${libHeaders} ${BINARY_DIR}/mist
  COMMAND touch
  ARGS    ${BINARY_DIR}/mist/.headers
  WORKING_DIRECTORY ${SOURCE_DIR}
  DEPENDS ${libHeaders}
)
else()
add_custom_command(OUTPUT ${BINARY_DIR}/mist/.headers
  COMMAND ${CMAKE_COMMAND}
  ARGS    -E make_directory ${BINARY_DIR}/mist
  COMMAND ${CMAKE_COMMAND}
  ARGS    -E copy ${libHeaders} ${BINARY_DIR}/mist
  COMMAND ${CMAKE_COMMAND}
  ARGS    -E touch ${BINARY_DIR}/mist/.headers
  WORKING_DIRECTORY ${SOURCE_DIR}
  DEPENDS ${libHeaders}
)
endif()

########################################
# MistServer - Analysers               #
########################################
macro(makeAnalyser analyserName format)
  add_executable(MistAnalyser${analyserName}
    src/analysers/mist_analyse.cpp
    src/analysers/analyser.cpp
    src/analysers/analyser_${format}.cpp
    ${BINARY_DIR}/mist/.headers
  )
  set_target_properties(MistAnalyser${analyserName} 
    PROPERTIES COMPILE_DEFINITIONS "ANALYSERHEADER=\"analyser_${format}.h\"; ANALYSERTYPE=Analyser${analyserName}"
  )
  target_link_libraries(MistAnalyser${analyserName}
    mist
  )
  install(
    TARGETS MistAnalyser${analyserName}
    DESTINATION bin
  )
endmacro()

makeAnalyser(RTMP rtmp)
makeAnalyser(FLV flv)
makeAnalyser(DTSC dtsc)
makeAnalyser(MP4 mp4)
makeAnalyser(OGG ogg)
makeAnalyser(EBML ebml)

########################################
# MistServer - Utilities               #
########################################
macro(makeUtil utilName utilFile)
  add_executable(MistUtil${utilName}
    src/utils/util_${utilFile}.cpp
    ${BINARY_DIR}/mist/.headers
  )
  target_link_libraries(MistUtil${utilName}
    mist
  )
  install(
    TARGETS MistUtil${utilName}
    DESTINATION bin
  )
endmacro()

makeUtil(RAX rax)
makeUtil(AMF amf)
makeUtil(Certbot certbot)

########################################
# MistServer - Inputs                  #
########################################
macro(makeInput inputName format)
  add_executable(MistIn${inputName} 
    src/input/mist_in.cpp
    src/input/input.cpp 
    src/input/input_${format}.cpp 
    src/io.cpp
    ${BINARY_DIR}/mist/.headers
  )

  #Set compile definitions
  unset(my_definitions)
  list(APPEND my_definitions "INPUTTYPE=\"input_${format}.h\"")

  set_target_properties(MistIn${inputName} 
    PROPERTIES COMPILE_DEFINITIONS "${my_definitions}"
  )

  target_link_libraries(MistIn${inputName} 
    mist 
  )
  install(
    TARGETS MistIn${inputName} 
    DESTINATION bin
  )
endmacro()

makeInput(DTSC dtsc)
makeInput(MP3 mp3)
makeInput(FLV flv)
makeInput(OGG ogg)
makeInput(Buffer buffer)
makeInput(H264 h264)
makeInput(EBML ebml)
makeInput(MP4 mp4)

########################################
# MistServer - Outputs                 #
########################################
macro(makeOutput outputName format)
  #Parse all extra arguments, for http and ts flags
  SET (tsBaseClass Output)
  if (";${ARGN};" MATCHES ";http;")
    SET(httpOutput src/output/output_http.cpp)
    if (";${ARGN};" MATCHES ";ts;")
      SET(tsBaseClass HTTPOutput)
    endif()
  endif()
  if (";${ARGN};" MATCHES ";ts;")
    SET(tsOutput src/output/output_ts_base.cpp)
  endif()
  add_executable(MistOut${outputName}
    src/output/mist_out.cpp
    src/output/output.cpp
    src/output/output_${format}.cpp 
    src/io.cpp
    ${httpOutput}
    ${tsOutput} 
    ${BINARY_DIR}/mist/.headers
  )
  set_target_properties(MistOut${outputName} 
    PROPERTIES COMPILE_DEFINITIONS "OUTPUTTYPE=\"output_${format}.h\";TS_BASECLASS=${tsBaseClass}"
  )
  target_link_libraries(MistOut${outputName} 
    mist 
  )
  install( 
    TARGETS MistOut${outputName}
    DESTINATION bin
  )
endmacro()

makeOutput(RTMP rtmp)
makeOutput(OGG progressive_ogg http)
makeOutput(FLV progressive_flv http)
makeOutput(MP4 progressive_mp4 http)
makeOutput(MP3 progressive_mp3 http)
makeOutput(HSS hss             http)
makeOutput(HDS hds             http)
makeOutput(SRT srt             http)
makeOutput(JSON json           http)
makeOutput(TS ts                    ts)
makeOutput(HTTPTS httpts       http ts)
makeOutput(HLS hls             http ts)
makeOutput(EBML ebml)
if (NOT DEFINED NOSSL )
  makeOutput(HTTPS https)#LTS
endif()

add_executable(MistOutHTTP 
  ${BINARY_DIR}/mist/.headers
  src/output/mist_out.cpp
  src/output/output.cpp
  src/output/output_http.cpp 
  src/output/output_http_internal.cpp
  src/io.cpp
  generated/player.js.h
  generated/html5.js.h
  generated/flash_strobe.js.h
  generated/dashjs.js.h
  generated/videojs.js.h
  generated/webrtc.js.h
  generated/mews.js.h
  generated/flv.js.h
  generated/player_dash.js.h
  generated/player_dash_lic.js.h
  generated/player_video.js.h
  generated/player_webrtc.js.h
  generated/player_flv.js.h
  generated/skin_default.css.h
  generated/skin_dev.css.h
  generated/skin_videojs.css.h
)
set_target_properties(MistOutHTTP 
  PROPERTIES COMPILE_DEFINITIONS "OUTPUTTYPE=\"output_http_internal.h\""
)
target_link_libraries(MistOutHTTP mist)
install(
  TARGETS MistOutHTTP
  DESTINATION bin
)

########################################
# Documentation                        #
########################################
find_package(Doxygen)
if(DOXYGEN_FOUND)
  configure_file(${SOURCE_DIR}/Doxyfile.in ${BINARY_DIR}/Doxyfile @ONLY)
  add_custom_target( docs
    ${DOXYGEN_EXECUTABLE} ${BINARY_DIR}/Doxyfile
    COMMAND rm -rf ${BINARY_DIR}/docs
    COMMAND mv ${SOURCE_DIR}/docs ${BINARY_DIR}
    WORKING_DIRECTORY ${SOURCE_DIR}
    COMMENT "Generating API documentation with Doxygen"
    VERBATIM
  )
endif(DOXYGEN_FOUND)

########################################
# Sourcery                             #
########################################
#If cross compiling, assume failure.
if (CMAKE_CROSSCOMPILING)
  set(RUNA "1")
else()
  try_run(RUNA RUNB ${BINARY_DIR}/CMakeTmp ${SOURCE_DIR}/src/sourcery.cpp )
endif()

if("${RUNA}" EQUAL "42")
  message("Not cross compiling - building sourcery")
  add_executable(sourcery
    src/sourcery.cpp
  )
else()
  message("Detected cross compiling")
  if (EXISTS "${SOURCE_DIR}/sourcery")
    if (EXISTS "${BINARY_DIR}/sourcery")
      add_custom_target(sourcery )
    else()
      add_custom_target(sourcery 
        COMMAND cp ${SOURCE_DIR}/sourcery ${BINARY_DIR}/sourcery
      )
    endif()
  else()
    message(FATAL_ERROR "Cross compiling and no usable sourcery binary found - please supply it")
  endif()
endif()

########################################
# Embed Code                           #
########################################
# main
add_custom_command(OUTPUT generated/player.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/player.js player_js generated/player.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/player.js
)
# wrappers
add_custom_command(OUTPUT generated/html5.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/wrappers/html5.js html5_js generated/html5.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/wrappers/html5.js
)
add_custom_command(OUTPUT generated/flash_strobe.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/wrappers/flash_strobe.js flash_strobe_js generated/flash_strobe.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/wrappers/flash_strobe.js
)
add_custom_command(OUTPUT generated/dashjs.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/wrappers/dashjs.js dash_js generated/dashjs.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/wrappers/dashjs.js
)
add_custom_command(OUTPUT generated/videojs.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/wrappers/videojs.js video_js generated/videojs.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/wrappers/videojs.js
)
add_custom_command(OUTPUT generated/webrtc.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/wrappers/webrtc.js webrtc_js generated/webrtc.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/wrappers/webrtc.js
)
add_custom_command(OUTPUT generated/mews.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/wrappers/mews.js mews_js generated/mews.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/wrappers/mews.js
)
add_custom_command(OUTPUT generated/flv.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/wrappers/flv.js flv_js generated/flv.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/wrappers/flv.js
)
# players
add_custom_command(OUTPUT generated/player_dash_lic.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/players/dash.js.license.js player_dash_lic_js generated/player_dash_lic.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/players/dash.js.license.js
)
add_custom_command(OUTPUT generated/player_dash.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/players/dash.all.min.js player_dash_js generated/player_dash.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/players/dash.all.min.js
)
add_custom_command(OUTPUT generated/player_video.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/players/video.min.js player_video_js generated/player_video.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/players/video.min.js
)
add_custom_command(OUTPUT generated/player_webrtc.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/players/webrtc.js player_webrtc_js generated/player_webrtc.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/players/webrtc.js
)
add_custom_command(OUTPUT generated/player_flv.js.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/players/flv.min.js player_flv_js generated/player_flv.js.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/players/flv.js
)
# css
add_custom_command(OUTPUT generated/skin_default.css.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/skins/default.css skin_default_css generated/skin_default.css.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/skins/default.css
)
add_custom_command(OUTPUT generated/skin_dev.css.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/min/skins/dev.css skin_dev_css generated/skin_dev.css.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/min/skins/dev.css
)
add_custom_command(OUTPUT generated/skin_videojs.css.h
  COMMAND ./sourcery ${SOURCE_DIR}/embed/skins/video-js.css skin_videojs_css generated/skin_videojs.css.h
  DEPENDS sourcery ${SOURCE_DIR}/embed/skins/video-js.css
)

########################################
# Local Settings Page                  #
########################################
set(lspSOURCES
  ${SOURCE_DIR}/lsp/plugins/jquery.js
  ${SOURCE_DIR}/lsp/plugins/jquery.flot.min.js
  ${SOURCE_DIR}/lsp/plugins/jquery.flot.time.min.js
  ${SOURCE_DIR}/lsp/plugins/jquery.qrcode.min.js
  ${SOURCE_DIR}/lsp/minified.js
)


if (NOT DEFINED NOGA )
  list(APPEND lspSOURCES ${SOURCE_DIR}/lsp/analytics.js)
endif()

add_custom_command(OUTPUT ${BINARY_DIR}/generated/server.html 
  COMMAND ${CMAKE_COMMAND} -DSOURCE_DIR="${SOURCE_DIR}" -DlspSOURCES="${lspSOURCES}" -P ${SOURCE_DIR}/CMakeServHtml.txt
  DEPENDS ${lspSOURCES} ${SOURCE_DIR}/CMakeServHtml.txt ${SOURCE_DIR}/lsp/main.css ${SOURCE_DIR}/lsp/header.html ${SOURCE_DIR}/lsp/footer.html
)
add_custom_command(OUTPUT generated/server.html.h
  COMMAND ./sourcery generated/server.html server_html generated/server.html.h
  DEPENDS sourcery ${BINARY_DIR}/generated/server.html
)

########################################
# MistController - Build               #
########################################
add_executable(MistController
  src/controller/controller_api.h
  src/controller/controller_statistics.h
  src/controller/controller_connectors.h
  src/controller/controller_storage.h
  src/controller/controller_capabilities.h
  src/controller/controller_streams.h
  src/controller/controller.cpp
  src/controller/controller_streams.cpp
  src/controller/controller_storage.cpp
  src/controller/controller_connectors.cpp
  src/controller/controller_statistics.cpp
  src/controller/controller_capabilities.cpp
  src/controller/controller_api.cpp
  generated/server.html.h
  ${BINARY_DIR}/mist/.headers
)
set_target_properties(MistController
  PROPERTIES COMPILE_DEFINITIONS RELEASE=${RELEASE}
)
target_link_libraries(MistController
  mist
)
install(
  TARGETS MistController
  DESTINATION bin
)

########################################
# Make Clean                           #
########################################
add_custom_target(clean-all
  COMMAND ${CMAKE_BUILD_TOOL} clean
  COMMAND rm -rf ${BINARY_DIR}/CMakeCache.txt
  COMMAND rm -rf ${BINARY_DIR}/cmake_install.cmake
  COMMAND rm -rf ${BINARY_DIR}/Makefile
  COMMAND rm -rf ${BINARY_DIR}/CMakeFiles
  COMMAND rm -rf ${BINARY_DIR}/Testing
  COMMAND rm -rf ${BINARY_DIR}/CTestTestfile.cmake
  COMMAND rm -rf ${BINARY_DIR}/DartConfiguration.tcl
  COMMAND rm -rf ${BINARY_DIR}/mist
)