pipeline {
    agent any

    environment {
        REGISTRY = 'docker.io/adelyao'
        APP_NAME = 'employee'
        MANIFEST_REPO = 'https://git.winteraccess.id/adel/Employee-manifest.git'
        GIT_USER = credentials('gitea-username')
        GIT_PASS = credentials('gitea-password')
    }

    stages {
        stage('Determine Environment') {
            steps {
                script {
                    if (env.BRANCH_NAME == 'main' || env.BRANCH_NAME == 'dev') {
                        overlayEnv = 'dev'
                    } else if (env.BRANCH_NAME == 'staging' || env.BRANCH_NAME == 'stag') {
                        overlayEnv = 'stag'
                    } else if (env.BRANCH_NAME == 'production' || env.BRANCH_NAME == 'prod') {
                        overlayEnv = 'prod'
                    } else {
                        error("Unknown branch: ${env.BRANCH_NAME}")
                    }

                    env.IMAGE_TAG_FINAL = "${overlayEnv}-${env.BRANCH_NAME}-build-${env.BUILD_NUMBER}"
                    echo "Environment selected: ${overlayEnv}"
                }
            }
        }

        stage('Build and Push Docker Images') {
            steps {
                script {
                    sh """
                        docker build -t ${REGISTRY}/${APP_NAME}-be:${IMAGE_TAG_FINAL} ./backend
                        docker push ${REGISTRY}/${APP_NAME}-be:${IMAGE_TAG_FINAL}

                        docker build -t ${REGISTRY}/${APP_NAME}-fe:${IMAGE_TAG_FINAL} ./frontend
                        docker push ${REGISTRY}/${APP_NAME}-fe:${IMAGE_TAG_FINAL}
                    """
                }
            }
        }

        stage('Update Manifest Repository') {
            steps {
                script {
                    sh """
                        set -e
                        echo "Cloning manifest repo..."
                        rm -rf Employee-manifest
                        git clone -b ${overlayEnv} https://${GIT_USER}:${GIT_PASS}@${MANIFEST_REPO.replace('https://', '')} Employee-manifest
                        cd Employee-manifest

                        echo "Cleaning overlays folder, keeping only ${overlayEnv}..."
                        for d in overlays/*; do
                          [ -d "\$d" ] || continue
                          if [ "\$(basename \"\$d\")" != "${overlayEnv}" ]; then
                            echo "Removing \$d"
                            rm -rf "\$d"
                          fi
                        done

                        echo "Updating image tags for ${overlayEnv}..."
                        yq e -i '(.spec.template.spec.containers[] | select(.name == "backend") | .image) = "${REGISTRY}/${APP_NAME}-be:${overlayEnv}-${env.IMAGE_TAG_FINAL}"' overlays/${overlayEnv}/patch-deployment.yaml
                        yq e -i '(.spec.template.spec.containers[] | select(.name == "frontend") | .image) = "${REGISTRY}/${APP_NAME}-fe:${overlayEnv}-${env.IMAGE_TAG_FINAL}"' overlays/${overlayEnv}/patch-deployment.yaml

                        git config user.email "jenkins@automation.local"
                        git config user.name "Jenkins CI"
                        git add overlays/${overlayEnv}/patch-deployment.yaml
                        git commit -m "chore(${overlayEnv}): update image tags to ${overlayEnv}-${env.IMAGE_TAG_FINAL}" || echo "No changes to commit"

                        echo "Pushing updates to branch ${overlayEnv}"
                        git push https://\$GIT_USER:\$GIT_PASS@${env.MANIFEST_REPO.replace('https://', '')} ${overlayEnv} || echo "No push needed for ${overlayEnv}"
                    """
                }
            }
        }
    }

    post {
        success {
            echo 'Pipeline completed successfully.'
        }
        failure {
            echo 'Pipeline failed. Please check logs.'
        }
    }
}