/**
 * OfferPie Job Cleaner 部署流水线
 *
 * 架构：Jenkins 本地编译镜像 → scp 到目标机 → SSH 远程重启容器
 * 目标机目录：/opt/offerpie/job-cleaner/
 */
pipeline {
    agent any

    parameters {
        choice(name: 'BRANCH', choices: ['master', 'dev'], description: '选择要部署的分支')
    }

    environment {
        // 目标服务器配置
        DEPLOY_HOST = '192.168.31.51'
        DEPLOY_PORT = '22'
        DEPLOY_USER = 'jsxq'
        DEPLOY_PASS = '123456'

        // 项目配置
        IMAGE_NAME = 'offerpie-job-cleaner'
        IMAGE_TAG = 'latest'
        CONTAINER_NAME = 'offerpie-job-cleaner'
        REMOTE_DIR = '/opt/offerpie/job-cleaner'

        // SSH 命令前缀
        SSH_CMD = "sshpass -p '${DEPLOY_PASS}' ssh -o StrictHostKeyChecking=no -p ${DEPLOY_PORT} ${DEPLOY_USER}@${DEPLOY_HOST}"
        SCP_CMD = "sshpass -p '${DEPLOY_PASS}' scp -o StrictHostKeyChecking=no -P ${DEPLOY_PORT}"
    }

    stages {
        stage('环境检查') {
            steps {
                sh 'sshpass -V'
            }
        }

        stage('拉取代码') {
            steps {
                echo "拉取 ${params.BRANCH} 分支代码"
                git branch: "${params.BRANCH}",
                    credentialsId: 'gitea-fab089c1-b55d-4b58-9fad',
                    url: 'http://git.jianshixingqiu.com/offerpai/offerpie_job_cleaner.git'
            }
        }

        stage('本地编译') {
            steps {
                echo "开始构建镜像"
                sh "docker build -t ${IMAGE_NAME}:${IMAGE_TAG} ."
                echo "导出镜像"
                sh "docker save -o ${IMAGE_NAME}.tar ${IMAGE_NAME}:${IMAGE_TAG}"
            }
        }

        stage('文件传输') {
            steps {
                echo "传输文件到目标服务器"
                sh "${SSH_CMD} 'mkdir -p ${REMOTE_DIR}'"
                sh "${SCP_CMD} ${IMAGE_NAME}.tar ${DEPLOY_USER}@${DEPLOY_HOST}:${REMOTE_DIR}/"
                sh "${SCP_CMD} docker-compose.yml ${DEPLOY_USER}@${DEPLOY_HOST}:${REMOTE_DIR}/docker-compose.yml"
            }
        }

        stage('部署') {
            steps {
                script {
                    // 加载镜像
                    sh "${SSH_CMD} 'docker load < ${REMOTE_DIR}/${IMAGE_NAME}.tar'"

                    // 停掉旧容器
                    sh "${SSH_CMD} 'cd ${REMOTE_DIR} && docker compose down || true'"

                    // 启动新容器
                    sh "${SSH_CMD} 'cd ${REMOTE_DIR} && docker compose up -d'"

                    // 等待启动
                    sh 'sleep 5'

                    // 检查容器是否在运行
                    sh "${SSH_CMD} 'docker ps -f name=${CONTAINER_NAME} --format \"{{.Status}}\"'"
                }
            }
        }

        stage('清理') {
            steps {
                sh "${SSH_CMD} 'rm -f ${REMOTE_DIR}/${IMAGE_NAME}.tar'"
                sh "rm -f ${IMAGE_NAME}.tar"
            }
        }
    }

    post {
        success {
            echo "✅ 部署成功！容器 ${CONTAINER_NAME} 已启动"
        }
        failure {
            echo '❌ 部署失败，请检查日志'
            sh "rm -f ${IMAGE_NAME}.tar || true"
        }
    }
}