/*
 *
 *    ******************************************************************************
 *    *
 *    * This program and the accompanying materials are made available under the
 *    * terms of the Apache License, Version 2.0 which is available at
 *    * https://www.apache.org/licenses/LICENSE-2.0.
 *    *
 *    *  See the NOTICE file distributed with this work for additional
 *    *  information regarding copyright ownership.
 *    * 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.
 *    *
 *    * SPDX-License-Identifier: Apache-2.0
 *    *****************************************************************************
 *
 */
/****************************************************************************
 * Establish Visual Studio configuration environment for Windows native builds
 *
 * NOTE: We do not rely on the VisualCpp plugin to identify paths since it has
 * proven in the past to be unreliable when multiple versions of Visual Studio
 * and SDKs are installed.
 ****************************************************************************/

if (!hasProperty("VISUAL_STUDIO_INSTALL_DIR") && osdetector.os.equals("windows")) {
    if (project.hasProperty("skip-native") && !project.getProperty("skip-native").equals("true")) {
        configureVisualStudio()
    }
}

def configureVisualStudio() {

    if (org.gradle.internal.os.OperatingSystem.current().isWindows()) {

        // Initialize variables
        rootProject.ext.VISUAL_STUDIO_INSTALL_DIR = ""
        rootProject.ext.VISUAL_STUDIO_TOOLS_VERSION_DEFAULT = ""
        rootProject.ext.VISUAL_STUDIO_SDK_DIR_DEFAULT = ""
        rootProject.ext.VISUAL_STUDIO_SDK_VERSION_DEFAULT = ""
        rootProject.ext.VISUAL_STUDIO_SDK_VERSION_OVERRIDE = ""
        rootProject.ext.VISUAL_STUDIO_VCVARS_CMD = ""

        // Use vswhere.exe to search for latest Visual Studio installation
        println "Searching for latest Visual Studio and required components..."
        def vswherePath = "C:\\Program Files (x86)\\Microsoft Visual Studio\\Installer\\vswhere.exe"
        if (!file(vswherePath).exists()) {
            println "Visual Studio not found!"
            return
        }
        def vswhereOutput = "${vswherePath} -latest -format json".execute().text.trim()
        def vswhereJson = new groovy.json.JsonSlurper().parseText(vswhereOutput)
        if (vswhereJson.isEmpty()) {
            println "Visual Studio not found!"
            return
        }
        def vsInstallDir = vswhereJson[0].installationPath
        println "  -> Installation Directory: ${vsInstallDir}"

        // Use vcvarsall.bat to determine the latest Visual Studio's default SDK and tool versions
        def vcvarsPath = "${vsInstallDir}\\VC\\Auxiliary\\Build\\vcvarsall.bat"
        def vcvarsCmd = "\"${vcvarsPath}\" x64"
        def vcvarsEnvCmd = "cmd /v:ON /c ${vcvarsCmd} > nul && cmd /c echo"
        def toolsVersion = "${vcvarsEnvCmd} !VCToolsVersion!".execute().text.trim()
        println "  -> VCTools Version (default): ${toolsVersion}"
        def sdkDir = "${vcvarsEnvCmd} !WindowsSdkDir!".execute().text.trim()
        println "  -> SDK Directory (default): ${sdkDir}"
        def sdkVersion = "${vcvarsEnvCmd} !WindowsSDKVersion!".execute().text.trim().replace('\\', '')
        println "  -> SDK Version (default): ${sdkVersion}"

        // Check Gradle properties for override values
        def windowsTargetPlatformVersion = findProperty("WindowsTargetPlatformVersion")
        println "  -> SDK Version (override): " + (windowsTargetPlatformVersion ?: "N/A")

        // Save Visual Studio information so other projects can access it
        rootProject.ext.VISUAL_STUDIO_INSTALL_DIR = vsInstallDir
        rootProject.ext.VISUAL_STUDIO_TOOLS_VERSION_DEFAULT = toolsVersion
        rootProject.ext.VISUAL_STUDIO_SDK_DIR_DEFAULT = sdkDir
        rootProject.ext.VISUAL_STUDIO_SDK_VERSION_DEFAULT = sdkVersion
        rootProject.ext.VISUAL_STUDIO_SDK_VERSION_OVERRIDE = windowsTargetPlatformVersion
        rootProject.ext.VISUAL_STUDIO_VCVARS_CMD = vcvarsCmd
    }
}