cmake_minimum_required(VERSION 3.10)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")

include(OSXInstall)

# --------------------------------------------------------------------
# extract_wx_version( HEADER_FILE          – path to the header that contains
# the macros OUT_MAJOR_VAR        – name of the variable that will receive the
# major number OUT_MINOR_VAR        – name of the variable that will receive the
# minor number )
#
# The function expects the header to contain lines that look like: #define
# wxMAJOR_VERSION  3 #define wxMINOR_VERSION  3
#
# If a macro cannot be found the corresponding output variable is left untouched
# (you can test it with `if(DEFINED ...)` after the call).
# --------------------------------------------------------------------
function(extract_wx_version HEADER_FILE OUT_MAJOR_VAR OUT_MINOR_VAR)
  # -----------------------------------------------------------------
  # 1. Read the whole file into a CMake string.
  # -----------------------------------------------------------------
  if(NOT EXISTS "${HEADER_FILE}")
    message(FATAL_ERROR "Header file not found: ${HEADER_FILE}")
  endif()

  file(READ "${HEADER_FILE}" _header_content)

  # -----------------------------------------------------------------
  # 1. Use a regular expression to pull the numbers out.
  # -----------------------------------------------------------------
  string(REGEX MATCH "define wxMAJOR_VERSION([ ])+([0-9]+)" _major_match
               "${_header_content}")
  string(REGEX MATCH "define wxMINOR_VERSION([ ])+([0-9]+)" _minor_match
               "${_header_content}")

  # Extract the captured numbers (they end up in CMAKE_MATCH_2)
  if(_major_match)
    set(${OUT_MAJOR_VAR}
        "${CMAKE_MATCH_2}"
        PARENT_SCOPE)
  else()
    message(WARNING "wxMAJOR_VERSION macro not found in ${HEADER_FILE}")
  endif()

  if(_minor_match)
    set(${OUT_MINOR_VAR}
        "${CMAKE_MATCH_2}"
        PARENT_SCOPE)
  else()
    message(WARNING "wxMINOR_VERSION macro not found in ${HEADER_FILE}")
  endif()
endfunction()

# ------------------------------------
# install script
# ------------------------------------
macro(codelite_install_script _script_)
  set(EXE_PERM
      OWNER_EXECUTE
      OWNER_WRITE
      OWNER_READ
      GROUP_EXECUTE
      GROUP_READ
      WORLD_EXECUTE
      WORLD_READ)
  install(
    FILES ${_script_}
    DESTINATION ${CL_INSTALL_BIN}
    PERMISSIONS ${EXE_PERM})
endmacro()

# ------------------------------------
# install an executable
# ------------------------------------
macro(codelite_install_executable TARGET)
  if(NOT APPLE)
    set(EXE_PERM
        OWNER_EXECUTE
        OWNER_WRITE
        OWNER_READ
        GROUP_EXECUTE
        GROUP_READ
        WORLD_EXECUTE
        WORLD_READ)

    install(
      TARGETS ${TARGET}
      DESTINATION ${CL_INSTALL_BIN}
      PERMISSIONS ${EXE_PERM})
  endif()
endmacro()

# ------------------------------------
# install an executable
# ------------------------------------
macro(codelite_install_svgs)
  install(
    DIRECTORY ${CL_SRC_ROOT}/svgs/light-theme ${CL_SRC_ROOT}/svgs/dark-theme
    DESTINATION ${CL_RESOURCES_DIR}/svgs
    FILES_MATCHING
    PATTERN "*.svg")
endmacro()

function(get_distro_name DISTRO_NAME)
  execute_process(
    COMMAND /bin/bash "-c" "cat /etc/os-release |grep ^ID=|cut -d = -f 2"
    OUTPUT_VARIABLE _DISTRO_ID
    OUTPUT_STRIP_TRAILING_WHITESPACE)
  execute_process(
    COMMAND /bin/bash "-c" "cat /etc/os-release |grep VERSION_ID=|cut -d = -f 2"
    OUTPUT_VARIABLE _VERSION_ID
    OUTPUT_STRIP_TRAILING_WHITESPACE)

  # clean the output
  string(REPLACE "\"" "" _DISTRO_ID "${_DISTRO_ID}")
  string(REPLACE "\"" "" _VERSION_ID "${_VERSION_ID}")
  string(REPLACE "." "" _DISTRO_ID "${_DISTRO_ID}")
  string(REPLACE "." "" _VERSION_ID "${_VERSION_ID}")
  set(${DISTRO_NAME} "")
  string(FIND ${_DISTRO_ID} "fedora" POS)
  if(POS GREATER -1)
    set(${DISTRO_NAME}
        "fedora_${_VERSION_ID}"
        PARENT_SCOPE)
  endif()

  string(FIND ${_DISTRO_ID} "ubuntu" POS)
  if(POS GREATER -1)
    set(${DISTRO_NAME}
        "${_DISTRO_ID}_${_VERSION_ID}"
        PARENT_SCOPE)
  endif()

  string(FIND ${_DISTRO_ID} "debian" POS)
  if(POS GREATER -1)
    set(${DISTRO_NAME}
        "${_DISTRO_ID}_${_VERSION_ID}"
        PARENT_SCOPE)
  endif()
endfunction()

if(MINGW)
  macro(msys_list_deps __NAME__ OUT_LIST)
    execute_process(
      COMMAND
        sh -c
        "/${MSYSTEM}/bin/ntldd -R ${__NAME__} | sed -n 's/.*=> \\([^ ]*\\).*/\\1/p' |grep ${MSYSTEM}|grep -v -w Found|grep -v ${__NAME__}"
      OUTPUT_VARIABLE __dep_list
      OUTPUT_STRIP_TRAILING_WHITESPACE)
    string(APPEND __dep_list "\n${__NAME__}") # ntldd doesn't include the binary itself
    string(REPLACE "\n" ";" ${OUT_LIST} "${__dep_list}")
    string(REPLACE " " "" ${OUT_LIST} "${${OUT_LIST}}")
    string(REPLACE "\\" "/" ${OUT_LIST} "${${OUT_LIST}}")
  endmacro()

  macro(msys_install_clang64_tool tool_name install_dir)
    msys_list_deps(${MSYS2_BASE}/${MSYSTEM}/bin/${tool_name} CLANGD_DEPS)
    # install the tool itself
    install(FILES "${MSYS2_BASE}/${MSYSTEM}/bin/${tool_name}"
            DESTINATION ${install_dir})

    # and all its dlls
    foreach(DLL ${CLANGD_DEPS})
      install(FILES "${DLL}" DESTINATION ${install_dir})
    endforeach()
  endmacro()
endif()

set(PCH_HEADERS_LIST
    <wx/wxprec.h>
    <wx/app.h>
    <wx/artprov.h>
    <wx/bitmap.h>
    <wx/button.h>
    <wx/checklst.h>
    <wx/choice.h>
    <wx/colour.h>
    <wx/dialog.h>
    <wx/ffile.h>
    <wx/filedlg.h>
    <wx/font.h>
    <wx/frame.h>
    <wx/gdicmn.h>
    <wx/icon.h>
    <wx/image.h>
    <wx/imaggif.h>
    <wx/imaglist.h>
    <wx/intl.h>
    <wx/log.h>
    <wx/menu.h>
    <wx/msgdlg.h>
    <wx/notebook.h>
    <wx/panel.h>
    <wx/scrolwin.h>
    <wx/settings.h>
    <wx/sizer.h>
    <wx/splitter.h>
    <wx/statbox.h>
    <wx/stattext.h>
    <wx/statusbr.h>
    <wx/string.h>
    <wx/textctrl.h>
    <wx/tooltip.h>
    <wx/treectrl.h>
    <wx/wupdlock.h>
    <wx/xrc/xmlres.h>
    <set>
    <unordered_set>
    <unordered_map>
    <vector>
    <list>
    <map>
    <memory>)
macro(codelite_add_exported_pch _TARGET_)
  target_precompile_headers(${_TARGET_} PUBLIC ${PCH_HEADERS_LIST})
endmacro()

macro(codelite_add_pch _TARGET_)
  target_precompile_headers(${_TARGET_} PRIVATE ${PCH_HEADERS_LIST})
endmacro()

# ------------------------------------
# install a library (shared object, but not a plugin)
# ------------------------------------
macro(codelite_install_library_target TARGET)
  if(APPLE)
    install(TARGETS ${TARGET}
            DESTINATION ${CMAKE_BINARY_DIR}/codelite.app/Contents/MacOS/)
  else()
    install(TARGETS ${TARGET}
            # under Windows (MinGW/CYGWIN) we install libraries under the "bin" folder
            RUNTIME DESTINATION "${CL_INSTALL_BIN}"
            # Under linux, we install libraries in the plugins directory
            LIBRARY DESTINATION ${PLUGINS_DIR})
  endif()
endmacro()

# Determine if we are running on Windows using MSYS2 shell or using MinGW tools
# (but not using MSYS)
if(UNIX)
  execute_process(
    COMMAND /bin/sh "-c" "uname -s|grep MSYS|cut -d_ -f1"
    OUTPUT_VARIABLE _OS_NAME
    OUTPUT_STRIP_TRAILING_WHITESPACE)
  string(FIND "${_OS_NAME}" "MSYS" POS)
  if(POS GREATER -1)
    set(MSYS_SHELL 1)
    set(MSW 1)
  endif()
elseif(WIN32)
  execute_process(
    COMMAND sh "-c" "uname -o|grep -E 'Msys|Cygwin'|cut -d_ -f1"
    OUTPUT_VARIABLE _OS_NAME
    OUTPUT_STRIP_TRAILING_WHITESPACE)

  if("${_OS_NAME}" MATCHES "Msys|Cygwin")
    set(MSYS_SHELL 1)
    set(MSW 1)
  else()
    set(WIN_CMD_SHELL 1)
    set(MSW 1)
    execute_process(
      COMMAND sh "-c" "uname -s"
      OUTPUT_VARIABLE _OS_NAME
      OUTPUT_STRIP_TRAILING_WHITESPACE)
    message(FATAL_ERROR "${_OS_NAME}")
  endif()
endif() # UNIX -> WIN32