/**
 * 预生产（UAT）：Checkout → Maven 打包 → 将 jar/lib 拷到 UAT 部署目录并 docker restart。
 *
 * Jenkins Job：Pipeline script from SCM 时 Script Path 填 docs/jenkins/Jenkinsfile-uat-build-deploy.groovy
 *
 * 构建分支：在「Build with Parameters」中填写 GIT_BRANCH，默认 uat-20260202；须与 Gitea 远端分支名完全一致（连字符/下划线不要混用）。
 */
pipeline {
    agent any

    options {
        buildDiscarder(logRotator(numToKeepStr: '2', artifactNumToKeepStr: '2'))
        timestamps()
        timeout(time: 60, unit: 'MINUTES')
    }

    parameters {
        string(
                name: 'GIT_BRANCH',
                defaultValue: 'uat-20260202',
                trim: true,
                description: '要构建的 Git 分支名，须与远端一致，例如 uat-20260202、main'
        )
        booleanParam(name: 'FORCE_UPDATE', defaultValue: true, description: '是否强制更新依赖（mvn -U）')
        booleanParam(name: 'ALLOW_SNAPSHOTS', defaultValue: true, description: '是否允许 SNAPSHOT 依赖')
    }

    environment {
        MAVEN_HOME = tool '3.6.3'
        PATH = "${MAVEN_HOME}/bin:${env.PATH}"

        GIT_URL = 'http://8.152.195.41:3000/alien/alien_cloud'
        GIT_CREDENTIALS = 'zhanghaomimapingzheng'
    }

    stages {
        stage('Checkout') {
            steps {
                script {
                    def branch = (params.GIT_BRANCH ?: 'uat-20260202').trim()
                    if (!branch) {
                        error('GIT_BRANCH 不能为空')
                    }
                    env.GIT_BRANCH = branch
                    echo ">>> 正在拉取代码... 分支: ${env.GIT_BRANCH}"
                    git branch: "${env.GIT_BRANCH}",
                            credentialsId: "${env.GIT_CREDENTIALS}",
                            url: "${env.GIT_URL}"
                    sh """
                        set -e
                        git fetch origin
                        git reset --hard origin/${env.GIT_BRANCH}
                        echo ">>> 当前构建使用的提交:"
                        git log -1 --oneline
                        git rev-parse HEAD
                    """
                }
            }
        }

        stage('Prepare Maven Settings') {
            steps {
                script {
                    writeFile file: 'settings.xml', text: """<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 https://maven.apache.org/xsd/settings-1.0.0.xsd">
    <profiles>
        <profile>
            <id>repo-mix</id>
            <repositories>
                <repository>
                    <id>central</id>
                    <name>Maven Central</name>
                    <url>https://repo.maven.apache.org/maven2</url>
                    <releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases>
                    <snapshots><enabled>false</enabled></snapshots>
                </repository>
                <repository>
                    <id>spring-milestones</id>
                    <name>Spring Milestones</name>
                    <url>https://repo.spring.io/milestone</url>
                    <releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases>
                    <snapshots><enabled>false</enabled></snapshots>
                </repository>
                <repository>
                    <id>spring-snapshots</id>
                    <name>Spring Snapshots</name>
                    <url>https://repo.spring.io/snapshot</url>
                    <releases><enabled>false</enabled></releases>
                    <snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>central</id>
                    <url>https://repo.maven.apache.org/maven2</url>
                    <releases><enabled>true</enabled></releases>
                    <snapshots><enabled>false</enabled></snapshots>
                </pluginRepository>
                <pluginRepository>
                    <id>spring-milestones</id>
                    <url>https://repo.spring.io/milestone</url>
                    <releases><enabled>true</enabled></releases>
                    <snapshots><enabled>false</enabled></snapshots>
                </pluginRepository>
            </pluginRepositories>
        </profile>
    </profiles>
    <activeProfiles>
        <activeProfile>repo-mix</activeProfile>
    </activeProfiles>
</settings>
"""
                }
                echo ">>> 已生成 settings.xml（包含 Spring 官方仓库）"
            }
        }

        stage('Maven Build') {
            steps {
                script {
                    def updateFlag = params.FORCE_UPDATE ? '-U' : ''
                    echo ">>> 开始 Maven 打包（FORCE_UPDATE=${params.FORCE_UPDATE}）"

                    retry(2) {
                        sh """
                            set -e
                            mvn -version

                            echo ">>> [1/3] 清理代理环境变量 (防止 HTTP 劫持)..."
                            unset http_proxy https_proxy HTTP_PROXY HTTPS_PROXY ALL_PROXY all_proxy no_proxy NO_PROXY || true

                            echo ">>> [2/3] 启用 SSL 证书绕过 (防止证书不匹配)..."
                            export MAVEN_OPTS="-Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true -Dmaven.wagon.http.ssl.ignore.validity.dates=true"

                            echo ">>> [3/3] 清理本地仓库缓存 (防止 404 缓存)..."
                            rm -rf /root/.m2/repository/org/springframework/cloud/spring-cloud-dependencies/Hoxton.SR1 || true
                            rm -rf /root/.m2/repository/org/springframework/boot/spring-boot-dependencies/2.3.2.RELEASE || true
                            rm -rf ${WORKSPACE}/.m2/repository/org/springframework/cloud/spring-cloud-dependencies/Hoxton.SR1 || true
                            rm -rf ${WORKSPACE}/.m2/repository/org/springframework/boot/spring-boot-dependencies/2.3.2.RELEASE || true

                            echo ">>> 执行 Maven 打包..."
                            mvn clean package -DskipTests -s settings.xml ${updateFlag} -e -Dmaven.repo.local=${WORKSPACE}/.m2/repository
                        """
                    }
                }
            }
        }

        stage('Deploy Services') {
            steps {
                script {
                    def services = [
                            "alien-gateway:gateway-uat",
                            "alien-job:job-uat",
                            "alien-lawyer:lawyer-uat",
                            "alien-second:second-uat",
                            "alien-store:store-uat",
                            "alien-dining:dining-uat",
                            "alien-store-platform:store-platform-uat"
                    ]

                    for (item in services) {
                        def (moduleName, dirName) = item.split(':')
                        def sourceJar = "${env.WORKSPACE}/${moduleName}/target/${moduleName}-1.0.0.jar"
                        def sourceLib = "${env.WORKSPACE}/${moduleName}/target/lib"
                        def targetDir = "/app_deploy_uat/${dirName}"

                        sh """
                            set -e
                            echo ">>> 正在处理模块: ${moduleName}"

                            if [ -f "${sourceJar}" ]; then
                                mkdir -p "${targetDir}"

                                if [ -d "${sourceLib}" ]; then
                                    rm -rf "${targetDir}/lib"
                                    cp -rf "${sourceLib}" "${targetDir}"
                                fi

                                cp -f "${sourceJar}" "${targetDir}/"

                                if docker ps -a --format '{{.Names}}' | grep -wq "${dirName}"; then
                                    docker restart "${dirName}"
                                    echo ">>> [${dirName}] 重启成功"
                                else
                                    echo ">>> [${dirName}] 容器不存在，仅完成文件拷贝"
                                fi
                            else
                                echo ">>> [${dirName}] 未发现 Jar 包，跳过"
                            fi
                        """
                    }
                }
            }
        }
    }

    post {
        always {
            echo ">>> 构建任务结束"
            sh "rm -f settings.xml || true"
        }
        success {
            echo ">>> 流水线执行成功"
        }
        failure {
            echo ">>> 流水线执行失败，请检查 Maven 日志中是否仍有 Download 失败"
        }
    }
}