pipeline {
    agent any

    environment {
        SSH_CREDENTIALS = 'tech4biz-web'
        GIT_CREDENTIALS = 'gitea-cred'
        REPO_URL = 'https://git.tech4biz.wiki/Tech4Biz-Services/Tech4Biz-Website-Containerized.git'
        BRANCH = 'main'
        REMOTE_SERVER = 'ubuntu@160.187.167.14'
        REMOTE_DIR = '/home/ubuntu/tech4biz-website'
        IMAGE_NAME = 'tech4biz-web'
        CONTAINER_NAME = 'tech4biz-web'
        APP_PORT = '5173'
        NOTIFY_EMAIL = 'devops@tech4biz.wiki'
    }

    options {
        disableConcurrentBuilds()
    }

    stages {
        stage('Add Remote Host Key') {
            steps {
                echo "🔑 Adding remote host key to known_hosts..."
                sshagent(credentials: [SSH_CREDENTIALS]) {
                    sh '''
                    mkdir -p ~/.ssh
                    ssh-keyscan -H 160.187.167.14 >> ~/.ssh/known_hosts
                    '''
                }
            }
        }

        stage('Checkout Code from Gitea') {
            steps {
                echo "📦 Cloning repository from Gitea..."
                git credentialsId: "${GIT_CREDENTIALS}", url: "${REPO_URL}", branch: "${BRANCH}"
            }
        }

      stage('Deploy and Build Docker Image') {
    steps {
        echo "🚢 Sending code to remote and building Docker image..."
        sshagent(credentials: [SSH_CREDENTIALS]) {
            sh '''
            ssh ${REMOTE_SERVER} "sudo mkdir -p ${REMOTE_DIR} && sudo chown -R ubuntu:ubuntu ${REMOTE_DIR}"
            
            # Exclude .git directory to prevent file not found errors
            rsync -avz --delete --exclude='.git' ./ ${REMOTE_SERVER}:${REMOTE_DIR}/
            
            ssh ${REMOTE_SERVER} "cd ${REMOTE_DIR} && docker build -t ${IMAGE_NAME} ."
            '''
        }
    }
}


        stage('Run Docker Container') {
            steps {
                echo "🐳 Running Docker container on remote server..."
                sshagent(credentials: [SSH_CREDENTIALS]) {
                    sh '''
                    ssh ${REMOTE_SERVER} "docker rm -f ${CONTAINER_NAME} || true && \
                                         docker run -d -p ${APP_PORT}:${APP_PORT} --name ${CONTAINER_NAME} ${IMAGE_NAME} && \
                                         docker update --restart=always ${CONTAINER_NAME}"
                    '''
                }
            }
        }

        stage('Reload Nginx') {
            steps {
                echo "🌐 Reloading Nginx on remote server..."
                sshagent(credentials: [SSH_CREDENTIALS]) {
                    sh '''
                    ssh ${REMOTE_SERVER} "sudo nginx -t && sudo systemctl reload nginx"
                    '''
                }
            }
        }
    }

    post {
        success {
            echo "✅ Deployment succeeded. Sending notification email..."
            mail to: "${NOTIFY_EMAIL}",
                 subject: "✅ Jenkins Job Success: ${env.JOB_NAME} #${env.BUILD_NUMBER}",
                 body: "Good news!\n\nThe Jenkins job ${env.JOB_NAME} #${env.BUILD_NUMBER} completed successfully.\n\n- Jenkins"
        }

        failure {
            echo "❌ Deployment failed. Sending notification email..."
            mail to: "${NOTIFY_EMAIL}",
                 subject: "❌ Jenkins Job Failed: ${env.JOB_NAME} #${env.BUILD_NUMBER}",
                 body: "The Jenkins job ${env.JOB_NAME} #${env.BUILD_NUMBER} has failed.\nPlease check the Jenkins console output for more details.\n\n- Jenkins"
        }

        always {
            echo "🧹 Cleaning workspace..."
            cleanWs()
        }
    }
}