## Once run this will define:
##
## QGIS_FOUND            = system has QGIS lib
##
## QGIS_CORE_LIBRARY     = full path to the CORE library
## QGIS_GUI_LIBRARY      = full path to the GUI library
## QGIS_ANALYSIS_LIBRARY = full path to the ANALYSIS library
## QGIS_PLUGIN_DIR       = full path to where QGIS plugins are installed
## QGIS_INCLUDE_DIR      = where to find headers
## QGIS_UI_INCLUDE_DIR   = where to find ui_* generated headers
##
## QGIS_VERSION          = version as defined in qgsconfig.h, as major.minor.patch
##
## Definitions or ENV variables affecting search locations
##
## OSGEO4W_ROOT          = [A-Z]:/path/to/OSGeo4W/install/root
##                               (^ use forward slashes!)
## OSGEO4W_QGIS_SUBDIR   = qgis[-rel|-ltr][-dev], in OSGEO4W_ROOT/apps/
## QGIS_MAC_PATH         = /path/to/any/QGIS.app/Contents
## QGIS_BUILD_PATH       = [A-Z:]/path/to/QGIS/build/directory
##
## Tim Sutton
## Larry Shaffer (2017-01-31)
## 原本参数中需要考虑系统环境变量，这里替换为本地路径
##
##
if(LAMPCAE_QGIS_ALREADY_INCLUDED)
  return()
endif()

set(LAMPCAE_QGIS_ALREADY_INCLUDED 1)
# 部分参数变量设置
SET(QGISPROGRAMFILES ${CMAKE_SOURCE_DIR}/extlib) # qgis 文件包地址
SET(OSGEO4W_QGIS_SUBDIR QGIS) # qgis 文件名



#MESSAGE("Searching for QGIS")
IF(WIN32)
  # OSGEO4W_QGIS_SUBDIR relative install: qgis[-rel|-ltr][-dev], etc.
  IF (NOT OSGEO4W_QGIS_SUBDIR OR "${OSGEO4W_QGIS_SUBDIR}" STREQUAL "")
    IF (NOT "$ENV{OSGEO4W_QGIS_SUBDIR}" STREQUAL "")
      SET (OSGEO4W_QGIS_SUBDIR $ENV{OSGEO4W_QGIS_SUBDIR})
    ELSE ()
      SET (OSGEO4W_QGIS_SUBDIR qgis)
    ENDIF ()
  ENDIF ()

  #MESSAGE("Searching for QGIS in ${QGISPROGRAMFILES}/QGIS")
  IF (MINGW)
    FIND_PATH(QGIS_PLUGIN_DIR
      NAMES libplugin_offlineediting.dll
      PATHS
        "${QGISPROGRAMFILES}/QGIS/plugins"
    )
    FIND_PATH(QGIS_INCLUDE_DIR
      NAMES qgsapplication.h
      PATHS
        "${QGISPROGRAMFILES}/QGIS/include"
    )
    FIND_LIBRARY(QGIS_CORE_LIBRARY
      NAMES qgis_core
      PATHS
        "${QGISPROGRAMFILES}/QGIS/"
    )
    FIND_LIBRARY(QGIS_GUI_LIBRARY
      NAMES qgis_gui
      PATHS
        "${QGISPROGRAMFILES}/QGIS/"
    )
  ENDIF (MINGW)

  IF (MSVC)
    FIND_PATH(QGIS_PLUGIN_DIR
      NAMES plugin_offlineediting.dll
      PATHS
        "$ENV{OSGEO4W_ROOT}/apps/${OSGEO4W_QGIS_SUBDIR}/plugins"
        "${QGISPROGRAMFILES}/QGIS/plugins"
    )
    FIND_PATH(QGIS_INCLUDE_DIR
      NAMES qgsapplication.h
      PATHS
        "$ENV{INCLUDE}"
        "$ENV{LIB_DIR}/include/qgis"
        "$ENV{OSGEO4W_ROOT}/include"
        "$ENV{OSGEO4W_ROOT}/apps/${OSGEO4W_QGIS_SUBDIR}/include"
        "${QGISPROGRAMFILES}/QGIS/include"
    )

    FIND_LIBRARY(QGIS_APP_LIBRARY
            NAMES qgis_app
            PATHS
            "$ENV{LIB_DIR}/lib/"
            "$ENV{LIB}"
            "$ENV{OSGEO4W_ROOT}/lib"
            "$ENV{OSGEO4W_ROOT}/apps/${OSGEO4W_QGIS_SUBDIR}/lib"
            "${QGISPROGRAMFILES}/QGIS/lib"
    )
    FIND_LIBRARY(QGIS_CORE_LIBRARY
      NAMES qgis_core
      PATHS
        "$ENV{LIB_DIR}/lib/"
        "$ENV{LIB}"
        "$ENV{OSGEO4W_ROOT}/lib"
        "$ENV{OSGEO4W_ROOT}/apps/${OSGEO4W_QGIS_SUBDIR}/lib"
        "${QGISPROGRAMFILES}/QGIS/lib"
    )
    FIND_LIBRARY(QGIS_GUI_LIBRARY
      NAMES qgis_gui
      PATHS
        "$ENV{LIB_DIR}"
        "$ENV{LIB}"
        "$ENV{OSGEO4W_ROOT}/lib"
        "$ENV{OSGEO4W_ROOT}/apps/${OSGEO4W_QGIS_SUBDIR}/lib"
        "${QGISPROGRAMFILES}/QGIS/lib"
    )
    FIND_LIBRARY(QGIS_ANALYSIS_LIBRARY
      NAMES qgis_analysis
      PATHS
        "$ENV{LIB_DIR}"
        "$ENV{LIB}"
        "$ENV{OSGEO4W_ROOT}/lib"
        "$ENV{OSGEO4W_ROOT}/apps/${OSGEO4W_QGIS_SUBDIR}/lib"
        "${QGISPROGRAMFILES}/QGIS/lib"
    )

  ENDIF (MSVC)

  message("QGIS Found QGIS_INCLUDE_DIR  ${QGIS_INCLUDE_DIR}")
  message("QGIS Found QGIS_CORE_LIBRARY  ${QGIS_CORE_LIBRARY}")
  message("QGIS Found QGIS_GUI_LIBRARY  ${QGIS_GUI_LIBRARY}")
  message("QGIS Found QGIS_ANALYSIS_LIBRARY  ${QGIS_ANALYSIS_LIBRARY}")



ENDIF(WIN32)

IF (QGIS_INCLUDE_DIR)
  SET(QGIS_VERSION QGIS_VERSION-NOTFOUND)
  FIND_FILE(_qgsconfig_h qgsconfig.h PATHS ${QGIS_INCLUDE_DIR})
  IF (_qgsconfig_h)
    FILE(READ ${_qgsconfig_h} _qgsconfig)
    IF (_qgsconfig)
      # version defined like #define VERSION "2.14.8-Essen"
      FILE(STRINGS "${_qgsconfig_h}" _qgsversion_str REGEX "^#define VERSION .*$")
      STRING(REGEX REPLACE "^#define VERSION +\"([0-9]+\\.[0-9]+\\.[0-9]+).*$" "\\1" _qgsversion "${_qgsversion_str}")
      IF (_qgsversion)
        SET(QGIS_VERSION ${_qgsversion})
      ELSE ()
        MESSAGE(WARNING "No QGIS version determined: failed to parse qgsconfig.h")
      ENDIF ()
    ELSE()
      MESSAGE(WARNING "No QGIS version determined: failed to read qgsconfig.h")
    ENDIF ()
  ELSE ()
    MESSAGE(WARNING "No QGIS version determined: failed to find qgsconfig.h")
  ENDIF ()
ENDIF ()

IF (QGIS_INCLUDE_DIR AND QGIS_CORE_LIBRARY AND QGIS_GUI_LIBRARY AND QGIS_ANALYSIS_LIBRARY)
   SET(QGIS_FOUND TRUE)
ENDIF ()

IF (QGIS_FOUND)
   IF (NOT QGIS_FIND_QUIETLY)
     MESSAGE(STATUS "Found QGIS: ${QGIS_VERSION}")
     MESSAGE(STATUS "Found QGIS core: ${QGIS_CORE_LIBRARY}")
     MESSAGE(STATUS "Found QGIS gui: ${QGIS_GUI_LIBRARY}")
     MESSAGE(STATUS "Found QGIS analysis: ${QGIS_ANALYSIS_LIBRARY}")
     MESSAGE(STATUS "Found QGIS plugins directory: ${QGIS_PLUGIN_DIR}")
   ENDIF (NOT QGIS_FIND_QUIETLY)
ELSE (QGIS_FOUND)
   IF (QGIS_FIND_REQUIRED)
      MESSAGE(FATAL_ERROR "Could not find QGIS")
   ENDIF (QGIS_FIND_REQUIRED)
ENDIF (QGIS_FOUND)

# QGIS::App QGIS::Core QGIS::Gui QGIS::Analysis
# 添加QGIS App导入库
add_library(QGIS::App SHARED IMPORTED)
set_property(TARGET QGIS::App PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${QGIS_INCLUDE_DIR})
set_property(TARGET QGIS::App APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
set_property(TARGET QGIS::App APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(QGIS::App PROPERTIES
        IMPORTED_IMPLIB_RELEASE "${QGISPROGRAMFILES}/QGIS/lib/qgis_app.lib"
        IMPORTED_LOCATION_RELEASE "${QGISPROGRAMFILES}/QGIS/bin/qgis_app.dll"
        IMPORTED_IMPLIB_DEBUG "${QGISPROGRAMFILES}/QGIS/lib/qgis_app.lib"
        IMPORTED_LOCATION_DEBUG "${QGISPROGRAMFILES}/QGIS/bin/qgis_app.dll"
)



add_library(QGIS::Core SHARED IMPORTED)
set_property(TARGET QGIS::Core PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${QGIS_INCLUDE_DIR})
set_property(TARGET QGIS::Core APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
set_property(TARGET QGIS::Core APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(QGIS::Core PROPERTIES
        IMPORTED_IMPLIB_RELEASE "${QGISPROGRAMFILES}/QGIS/lib/qgis_core.lib"
        IMPORTED_LOCATION_RELEASE "${QGISPROGRAMFILES}/QGIS/bin/qgis_core.dll"
        IMPORTED_IMPLIB_DEBUG "${QGISPROGRAMFILES}/QGIS/lib/qgis_core.lib"
        IMPORTED_LOCATION_DEBUG "${QGISPROGRAMFILES}/QGIS/bin/qgis_core.dll"
)


add_library(QGIS::Gui SHARED IMPORTED)
set_property(TARGET QGIS::Gui PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${QGIS_INCLUDE_DIR})
set_property(TARGET QGIS::Gui APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
set_property(TARGET QGIS::Gui APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(QGIS::Gui PROPERTIES
        IMPORTED_IMPLIB_RELEASE "${QGISPROGRAMFILES}/QGIS/lib/qgis_gui.lib"
        IMPORTED_LOCATION_RELEASE "${QGISPROGRAMFILES}/QGIS/bin/qgis_gui.dll"
        IMPORTED_IMPLIB_DEBUG "${QGISPROGRAMFILES}/QGIS/lib/qgis_gui.lib"
        IMPORTED_LOCATION_DEBUG "${QGISPROGRAMFILES}/QGIS/bin/qgis_gui.dll"
)


add_library(QGIS::Analysis SHARED IMPORTED)
set_property(TARGET QGIS::Analysis PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${QGIS_INCLUDE_DIR})
set_property(TARGET QGIS::Analysis APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
set_property(TARGET QGIS::Analysis APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(QGIS::Analysis PROPERTIES
        IMPORTED_IMPLIB_RELEASE "${QGISPROGRAMFILES}/QGIS/lib/qgis_analysis.lib"
        IMPORTED_LOCATION_RELEASE "${QGISPROGRAMFILES}/QGIS/bin/qgis_analysis.dll"
        IMPORTED_IMPLIB_DEBUG "${QGISPROGRAMFILES}/QGIS/lib/qgis_analysis.lib"
        IMPORTED_LOCATION_DEBUG "${QGISPROGRAMFILES}/QGIS/bin/qgis_analysis.dll"
)