#**********************************************************************
#
#  Copyright (c) 张晓东, 罗火灵. All rights reserved.
#  更多信息请访问: 
#    http://www.vtkchina.org (VTK中国)
#    http://blog.csdn.net/www_doling_net (东灵工作室) 
#
#  更新说明：适配 CMake 3.28.6 + VTK 9+
#  更新日期：2024年
#
#**********************************************************************

cmake_minimum_required(VERSION 3.20)
project(Chap01 LANGUAGES CXX)

#-----------------------------------------------------------------------------
# Global Settings
#-----------------------------------------------------------------------------
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

#-----------------------------------------------------------------------------
# Dependencies
#-----------------------------------------------------------------------------
find_package(VTK REQUIRED COMPONENTS
    CommonCore
    RenderingCore
    RenderingOpenGL2
    InteractionStyle
)

#-----------------------------------------------------------------------------
# Target
#-----------------------------------------------------------------------------
add_executable(1.3_TestVTKInstall 1.3_TestVTKInstall.cpp)

target_include_directories(1.3_TestVTKInstall
    PRIVATE
        ${VTK_INCLUDE_DIRS}
)

target_link_libraries(1.3_TestVTKInstall
    PRIVATE
        ${VTK_LIBRARIES}
)

# VTK 模块自动初始化（VTK 9+ 必需）
vtk_module_autoinit(
    TARGETS 1.3_TestVTKInstall
    MODULES ${VTK_LIBRARIES}
)

#-----------------------------------------------------------------------------
# Windows Specific: 创建启动脚本
#-----------------------------------------------------------------------------
if(WIN32)
    # 获取 VTK 的二进制目录
    get_filename_component(VTK_BIN_DIR "${VTK_DIR}/../../bin" ABSOLUTE)
    
    # 获取 Visual Studio 路径
    if(CMAKE_VS_DEVENV_COMMAND)
        set(VS_DEVENV_PATH "${CMAKE_VS_DEVENV_COMMAND}")
    else()
        # 尝试从环境变量获取
        set(VS_DEVENV_PATH "$ENV{VSINSTALLDIR}/Common7/IDE/devenv.exe")
    endif()
    
    # 解决方案文件路径
    set(VS_SOLUTION_FILE "${PROJECT_BINARY_DIR}/${PROJECT_NAME}.sln")
    
    # 为 Debug 和 Release 配置创建启动脚本
    foreach(VS_BUILD_TYPE Debug Release)
        # 设置运行时路径
        if(VS_BUILD_TYPE STREQUAL "Debug")
            set(PROJECT_RUNTIME_PATH "${VTK_BIN_DIR}/Debug")
            set(SCRIPT_SUFFIX "debug")
        else()
            set(PROJECT_RUNTIME_PATH "${VTK_BIN_DIR}/Release")
            set(SCRIPT_SUFFIX "release")
        endif()
        
        # 如果 StartVS.bat.in 模板存在，使用它
        if(EXISTS "${CMAKE_SOURCE_DIR}/StartVS.bat.in")
            # 读取模板
            file(READ "${CMAKE_SOURCE_DIR}/StartVS.bat.in" START_VS_TEMPLATE)
            
            # 替换变量
            string(REPLACE "@PROJECT_RUNTIME_PATH@" "${PROJECT_RUNTIME_PATH}" 
                   START_VS_TEMPLATE "${START_VS_TEMPLATE}")
            string(REPLACE "@VS_SOLUTION_FILE@" "${VS_SOLUTION_FILE}" 
                   START_VS_TEMPLATE "${START_VS_TEMPLATE}")
            string(REPLACE "@VS_BUILD_TYPE@" "${SCRIPT_SUFFIX}" 
                   START_VS_TEMPLATE "${START_VS_TEMPLATE}")
            
            # 写入生成的脚本
            file(WRITE "${PROJECT_BINARY_DIR}/StartVS_${SCRIPT_SUFFIX}.bat" "${START_VS_TEMPLATE}")
        else()
            # 创建默认的启动脚本
            file(WRITE "${PROJECT_BINARY_DIR}/StartVS_${SCRIPT_SUFFIX}.bat"
                "@echo off\n"
                "echo Setting up environment for ${VS_BUILD_TYPE} build...\n"
                "set PATH=%PATH%;${PROJECT_RUNTIME_PATH}\n"
                "if exist \"${VS_DEVENV_PATH}\" (\n"
                "    echo Starting Visual Studio...\n"
                "    start \"\" \"${VS_DEVENV_PATH}\" \"${VS_SOLUTION_FILE}\"\n"
                ") else (\n"
                "    echo ERROR: Visual Studio not found at: ${VS_DEVENV_PATH}\n"
                "    pause\n"
                ")\n"
            )
        endif()
        
        message(STATUS "Created StartVS_${SCRIPT_SUFFIX}.bat for ${VS_BUILD_TYPE} configuration")
    endforeach()
    
    message(STATUS "VTK Binary Directory: ${VTK_BIN_DIR}")
    message(STATUS "Visual Studio Path: ${VS_DEVENV_PATH}")
endif()

#-----------------------------------------------------------------------------
# Summary
#-----------------------------------------------------------------------------
message(STATUS "===========================================")
message(STATUS "Project:          ${PROJECT_NAME}")
message(STATUS "C++ Standard:     ${CMAKE_CXX_STANDARD}")
message(STATUS "VTK Version:      ${VTK_VERSION}")
message(STATUS "Build Type:       ${CMAKE_BUILD_TYPE}")
if(WIN32)
    message(STATUS "Start Scripts:   StartVS_debug.bat, StartVS_release.bat")
endif()
message(STATUS "===========================================")