def serviceModules = [
    'gateway', 'auth', 'iam', 'firstleg', 'finance', 'order', 'warehouse', 'file', 'print',
    'integration-service', 'event-bridge-service', 'audit-service'
]

def serviceCheckboxes = [
    'gateway': 'SERVICE_GATEWAY',
    'auth': 'SERVICE_AUTH',
    'iam': 'SERVICE_IAM',
    'firstleg': 'SERVICE_FIRSTLEG',
    'finance': 'SERVICE_FINANCE',
    'order': 'SERVICE_ORDER',
    'warehouse': 'SERVICE_WAREHOUSE',
    'file': 'SERVICE_FILE',
    'print': 'SERVICE_PRINT',
    'integration-service': 'SERVICE_INTEGRATION',
    'event-bridge-service': 'SERVICE_EVENT_BRIDGE',
    'audit-service': 'SERVICE_AUDIT'
]

def commonPaths = [
    'pom.xml', 'platform-bom/', 'common-core/', 'common-web/', 'common-security/',
    'common-openapi/', 'common-audit/', 'common-event-contract/', 'Jenkinsfile',
    'Jenkinsfile.service', 'deploy/'
]

def databaseMigrationPaths = ['deploy/sql/']

def downstreamResults = [:]

pipeline {
    // 总控流水线只识别变更并调度独立的服务 Job；实际 Maven、镜像和部署在 Jenkinsfile.service 中完成。
    agent any

    options {
        disableConcurrentBuilds()
        timestamps()
        buildDiscarder(logRotator(numToKeepStr: '30'))
    }

    parameters {
        choice(name: 'BUILD_MODE', choices: ['AUTO', 'SELECT', 'ALL'], description: 'AUTO 按 Git 变更识别；SELECT 勾选服务；ALL 构建全部服务')
        booleanParam(name: 'SERVICE_GATEWAY', defaultValue: false, description: 'Gateway 网关服务（gateway）')
        booleanParam(name: 'SERVICE_AUTH', defaultValue: false, description: '统一认证服务（auth）')
        booleanParam(name: 'SERVICE_IAM', defaultValue: false, description: '租户与权限服务（iam）')
        booleanParam(name: 'SERVICE_FIRSTLEG', defaultValue: false, description: '头程履约服务（firstleg）')
        booleanParam(name: 'SERVICE_FINANCE', defaultValue: false, description: '财务服务（finance）')
        booleanParam(name: 'SERVICE_ORDER', defaultValue: false, description: '订单服务（order）')
        booleanParam(name: 'SERVICE_WAREHOUSE', defaultValue: false, description: '仓库与往来单位服务（warehouse）')
        booleanParam(name: 'SERVICE_FILE', defaultValue: false, description: '文件中心（file）')
        booleanParam(name: 'SERVICE_PRINT', defaultValue: false, description: '打印服务（print）')
        booleanParam(name: 'SERVICE_INTEGRATION', defaultValue: false, description: '第三方集成服务（integration-service）')
        booleanParam(name: 'SERVICE_EVENT_BRIDGE', defaultValue: false, description: '跨区域事件桥（event-bridge-service）')
        booleanParam(name: 'SERVICE_AUDIT', defaultValue: false, description: '审计服务（audit-service）')
        choice(name: 'ENVIRONMENT', choices: ['test', 'development', 'staging', 'production'], description: '部署环境')
        booleanParam(name: 'DEPLOY', defaultValue: false, description: '各服务构建成功后是否独立部署')
        booleanParam(name: 'INITIALIZE_TEST_DATABASE', defaultValue: false, description: '仅 test：调度服务前幂等初始化测试数据库')
        booleanParam(name: 'SKIP_TESTS', defaultValue: false, description: '是否跳过测试；生产构建不建议勾选')
        string(name: 'IMAGE_REPOSITORY', defaultValue: '8.163.30.128:10082/java-project/baiyue-firstleg', description: '预发布/生产镜像仓库地址；test 环境自动使用本机镜像')
        string(name: 'DOCKER_BASE_IMAGE', defaultValue: 'docker.m.daocloud.io/library/eclipse-temurin:17-jre-alpine', description: 'Java 17 基础镜像')
        string(name: 'DOWNSTREAM_JOB_PREFIX', defaultValue: 'baiyue-firstleg-', description: '单服务 Jenkins Job 名称前缀，例如 baiyue-firstleg-auth')
    }

    stages {
        stage('确定构建范围') {
            steps {
                script {
                    // 开发环境总控 Job 固定部署到 development，避免首次构建沿用 ENVIRONMENT 的默认 test 值。
                    // 其他 Job（包括现有 backend-java 测试环境）仍完全沿用原有参数。
                    String resolvedEnvironment = env.JOB_BASE_NAME == 'backend-java-dev'
                        ? 'development'
                        : params.ENVIRONMENT
                    env.RESOLVED_ENVIRONMENT = resolvedEnvironment
                    echo "Job ${env.JOB_BASE_NAME} 使用部署环境: ${env.RESOLVED_ENVIRONMENT}"

                    String requestedRepository
                    if (['development', 'test'].contains(env.RESOLVED_ENVIRONMENT)) {
                        requestedRepository = "baiyue-firstleg-${env.RESOLVED_ENVIRONMENT}"
                        echo "${env.RESOLVED_ENVIRONMENT} 环境使用本地构建镜像，不登录、不推送远程 Registry"
                    } else {
                        requestedRepository = params.IMAGE_REPOSITORY?.trim()
                        if (!requestedRepository || requestedRepository == 'registry.example.com/your-group/baiyue-firstleg') {
                            error('预发布/生产环境必须填写真实镜像仓库地址')
                        }
                        if (requestedRepository.contains('://') || !requestedRepository.contains('/')) {
                            error('IMAGE_REPOSITORY 格式错误：请填写 host[:port]/owner/image，不要包含 http:// 或 https://')
                        }
                    }
                    env.RESOLVED_IMAGE_REPOSITORY = requestedRepository

                    String jobPrefix = params.DOWNSTREAM_JOB_PREFIX?.trim()
                    if (!jobPrefix) {
                        error('DOWNSTREAM_JOB_PREFIX 不能为空')
                    }
                    env.RESOLVED_JOB_PREFIX = jobPrefix
                    env.DATABASE_CHANGE_DETECTED = 'false'

                    List selected = []
                    if (params.BUILD_MODE == 'ALL') {
                        selected = serviceModules
                    } else if (params.BUILD_MODE == 'SELECT') {
                        selected = serviceModules.findAll { service ->
                            params[serviceCheckboxes[service]] == true
                        }
                        if (!selected) {
                            error('SELECT 模式至少需要勾选一个服务')
                        }
                    } else {
                        String base = env.GIT_PREVIOUS_SUCCESSFUL_COMMIT?.trim()
                        if (!base || sh(script: "git cat-file -e ${base}^{commit} 2>/dev/null", returnStatus: true) != 0) {
                            selected = serviceModules
                        } else {
                            List changed = sh(script: "git diff --name-only ${base} HEAD", returnStdout: true)
                                .trim().split('\\n').collect { it.trim() }.findAll { it }
                            boolean databaseChanged = changed.any { path ->
                                databaseMigrationPaths.any { prefix -> path.startsWith(prefix) }
                            }
                            env.DATABASE_CHANGE_DETECTED = databaseChanged ? 'true' : 'false'
                            boolean commonChanged = changed.any { path ->
                                boolean databaseMigration = databaseMigrationPaths.any { prefix -> path.startsWith(prefix) }
                                !databaseMigration && commonPaths.any { prefix -> path == prefix || path.startsWith(prefix) }
                            }
                            selected = commonChanged ? serviceModules : serviceModules.findAll { module ->
                                changed.any { it == module || it.startsWith("${module}/") }
                            }
                        }
                    }

                    List invalid = selected.findAll { !serviceModules.contains(it) }
                    if (invalid) {
                        error("未知服务: ${invalid.join(', ')}；允许值: ${serviceModules.join(', ')}")
                    }

                    selected = selected.unique()
                    env.SELECTED_SERVICES = selected.join(',')
                    env.NO_SERVICE_CHANGE = selected ? 'false' : 'true'
                    if (!selected) {
                        currentBuild.description = env.DATABASE_CHANGE_DETECTED == 'true'
                            ? '仅数据库迁移变更 | 需单独审核执行'
                            : '没有需要构建的业务服务'
                    } else {
                        env.SOURCE_COMMIT = sh(script: 'git rev-parse HEAD', returnStdout: true).trim()
                        env.IMAGE_TAG = sh(script: 'git rev-parse --short=12 HEAD', returnStdout: true).trim()
                        String databaseSuffix = env.DATABASE_CHANGE_DETECTED == 'true' ? ' | DB migration pending' : ''
                        currentBuild.description = "${env.SELECTED_SERVICES} | ${env.IMAGE_TAG}${databaseSuffix}"
                        echo "本次独立调度服务: ${env.SELECTED_SERVICES}"
                    }
                    if (env.DATABASE_CHANGE_DETECTED == 'true') {
                        echo '检测到 deploy/sql/ 变更：AUTO 不据此扩大服务范围；统一 SQL 须独立审核并执行。'
                    }
                }
            }
        }

        stage('生产环境部署确认（仅 production 执行）') {
            when {
                allOf {
                    expression { params.DEPLOY && env.RESOLVED_ENVIRONMENT == 'production' && env.NO_SERVICE_CHANGE != 'true' }
                }
            }
            steps {
                input message: "确认将 ${env.SELECTED_SERVICES} 的镜像 ${env.IMAGE_TAG} 分别部署到生产环境？", ok: '确认部署'
            }
        }

        stage('测试数据库初始化（可选）') {
            when {
                allOf {
                    expression { env.RESOLVED_ENVIRONMENT == 'test' && params.INITIALIZE_TEST_DATABASE }
                }
            }
            steps {
                sh 'sh deploy/scripts/initialize-test-databases.sh'
            }
        }

        stage('并行调度独立服务 Job') {
            when { expression { env.NO_SERVICE_CHANGE != 'true' } }
            steps {
                script {
                    Map branches = [:]
                    env.SELECTED_SERVICES.split(',').each { selectedService ->
                        String service = selectedService
                        branches[service] = {
                            String jobName = "${env.RESOLVED_JOB_PREFIX}${service}"
                            echo "触发单服务 Job: ${jobName}"
                            def downstreamBuild = build(
                                job: jobName,
                                wait: true,
                                propagate: false,
                                parameters: [
                                    string(name: 'SOURCE_COMMIT', value: env.SOURCE_COMMIT),
                                    string(name: 'IMAGE_TAG', value: env.IMAGE_TAG),
                                    string(name: 'ENVIRONMENT', value: env.RESOLVED_ENVIRONMENT),
                                    booleanParam(name: 'DEPLOY', value: params.DEPLOY),
                                    booleanParam(name: 'SKIP_TESTS', value: params.SKIP_TESTS),
                                    string(name: 'IMAGE_REPOSITORY', value: env.RESOLVED_IMAGE_REPOSITORY),
                                    string(name: 'DOCKER_BASE_IMAGE', value: params.DOCKER_BASE_IMAGE)
                                ]
                            )
                            downstreamResults[service] = downstreamBuild.result ?: 'UNKNOWN'
                            echo "${service} 执行结果: ${downstreamResults[service]} (${downstreamBuild.absoluteUrl})"
                        }
                    }
                    parallel branches
                }
            }
        }

        stage('汇总服务结果') {
            when { expression { env.NO_SERVICE_CHANGE != 'true' } }
            steps {
                script {
                    List failed = downstreamResults.findAll { service, result -> result != 'SUCCESS' }
                        .collect { service, result -> "${service}=${result}" }
                    String summary = downstreamResults.collect { service, result -> "${service}=${result}" }.join(', ')
                    echo "单服务执行汇总: ${summary}"
                    currentBuild.description = "${env.IMAGE_TAG} | ${summary}"
                    if (failed) {
                        unstable("部分服务执行失败，但其他服务已独立完成：${failed.join(', ')}")
                    }
                }
            }
        }
    }

    post {
        always { cleanWs(deleteDirs: true, notFailBuild: true) }
    }
}