pipeline {
    agent any

    environment {
        DOCKER_IMAGE = 'jassimsm/documentation'
        DOCKER_TAG = 'latest'
        REGISTRY_CREDENTIALS = 'docker-credentials'
        SSH_CREDENTIALS = 'documentation'
        REMOTE_SERVER = 'ubuntu@160.187.166.47'
        REMOTE_WORKSPACE = '/home/ubuntu'
    }

    stages {
        stage('Add Host Key') {
            steps {
                script {
                    sshagent(credentials: [SSH_CREDENTIALS]) {
                        sh '''
                        mkdir -p ~/.ssh
                        ssh-keyscan -H 160.187.166.47 >> ~/.ssh/known_hosts
                        '''
                    }
                }
            }   
        }

        stage('Checkout and Install Dependencies on Remote Server') {
            steps {
                script {
                    sshagent(credentials: [SSH_CREDENTIALS]) {
                        sh '''
                        ssh ${REMOTE_SERVER} << EOF
                        # Navigate to the workspace or create it if it doesn't exist
                        mkdir -p ${REMOTE_WORKSPACE}
                        cd ${REMOTE_WORKSPACE}
                        rm -rf cicid
                        git clone https://git.tech4biz.wiki/jassim/cicid.git
                        cd cicid
                        git checkout main
                        /usr/bin/yarn install 
                        EOF
                        '''
                    }
                }
            }
        }

        stage('Build Docker Image') {
            steps {
                script {
                    try {
                        docker.build("${DOCKER_IMAGE}:${DOCKER_TAG}")
                    } catch (Exception e) {
                        error "Failed to build Docker image: ${e.message}"
                    }
                }
            }
        }

        stage('Push Docker Image') {
            steps {
                script {
                    try {
                        docker.withRegistry('https://index.docker.io/v1/', REGISTRY_CREDENTIALS) {
                            docker.image("${DOCKER_IMAGE}:${DOCKER_TAG}").push()
                        }
                    } catch (Exception e) {
                        error "Failed to push Docker image: ${e.message}"
                    }
                }
            }
        }

        stage('Deploy') {
            steps {
                script {
                    sshagent(credentials: [SSH_CREDENTIALS]) {
                        sh '''
                        ssh ${REMOTE_SERVER} << EOF
                        cd ${REMOTE_WORKSPACE}/cicid
                        docker pull ${DOCKER_IMAGE}:${DOCKER_TAG}
                        docker stop documentation-container || true
                        docker rm documentation-container || true
                        docker run -d -p 3000:3000 --name documentation-container ${DOCKER_IMAGE}:${DOCKER_TAG}
                        EOF
                        '''
                    }
                }
            }
        }

        stage('Update Nginx Configuration') {
            steps {
                script {
                    sshagent(credentials: [SSH_CREDENTIALS]) {
                        sh '''
                        ssh ${REMOTE_SERVER} << EOF
                        sudo nginx -t
                        sudo systemctl reload nginx
                        EOF
                        '''
                    }
                }
            }
        }
    }

    post {
        always {
            cleanWs()
        }
        failure {
            mail to: 'jassim.mohammed@tech4biz.io',
                 subject: "Pipeline Failed: ${currentBuild.fullDisplayName}",
                 body: "Pipeline failed. Check the Jenkins console for more details."
        }
    }
}