pipeline {

agent none

options {
    buildDiscarder(logRotator(numToKeepStr: '10'))
    disableConcurrentBuilds()
}

stages {

    stage('Build') {
        agent { label getAgentLabel() }

        stages {

            stage('Cleanup Workspace') {
                steps {
                    cleanWs()
                }
            }

            stage('Checkout') {
                steps {
                    checkout scm
                }
            }

            stage('Inject Environment File') {
                steps {
                    configFileProvider(
                        [configFile(
                            fileId: getEnvFileId(),
                            targetLocation: 'src/environments/environment.ts',
                            replaceTokens: true
                        )]
                    ) {
                        echo "Injected environment for ${env.BRANCH_NAME}"
                    }
                }
            }

            stage('Install & Build') {
                steps {
                    sh '''
                    npm ci
                    ng build --configuration production --base-href /admin/
                    '''
                }
            }
        }
    }

    // 🚨 Production Approval Gate
    stage('Production Approval') {
        when {
            branch 'prod'
        }
        steps {
            input message: "Approve deployment to PRODUCTION?", ok: "Deploy"
        }
    }

    stage('Deploy & Verify') {
        agent { label getAgentLabel() }

        stages {

            stage('Deploy') {
                steps {
                    sh """
                    rsync -av --delete dist/portfolio-admin/browser/ ${getDeployPath()}/
                    sudo /usr/bin/systemctl reload nginx
                    """
                }
            }

            stage('Health Check') {
                steps {
                    sh """
                    sleep 3
                    curl -f ${getHealthUrl()}
                    """
                }
            }

        }
    }
}

post {
    success {
        echo "✅ Deployment successful for ${env.BRANCH_NAME}"
    }
    failure {
        echo "❌ Deployment failed for ${env.BRANCH_NAME}"
    }
}

}

//
// -------- Helper Methods --------
//

def getAgentLabel() {
if (env.BRANCH_NAME == 'prod') {
return 'oracle-prod'
} else {
return 'built-in'
}
}

def getEnvFileId() {
if (env.BRANCH_NAME == 'prod') {
return 'admin-prod-properties'
} else {
return 'admin-uat-properties'
}
}

def getDeployPath() {
if (env.BRANCH_NAME == 'prod') {
return "/var/www/bangararaju.kottedi.in/admin"
} else {
return "/var/www/bangararaju.kottedi.in/admin"
}
}

def getHealthUrl() {
if (env.BRANCH_NAME == 'prod') {
return "https://bangararaju.kottedi.in/admin"
} else {
return "https://bangararaju-uat.kottedi.in/admin"
}
}