pipeline {
    agent any

    environment {
        REGISTRY = 'codeberg.org/lvl0/incr'
        IMAGE_TAG = "${env.GIT_TAG_NAME ?: 'latest'}"
    }

    triggers {
        pollSCM('H/5 * * * *') // Replace with webhook later
    }

    stages {
        stage('Check Tag') {
            when {
                expression {
                    return env.GIT_TAG_NAME != null
                }
            }
            steps {
                echo "🕵️ Detected tag: ${env.GIT_TAG_NAME}"
            }
        }

        stage('Build Docker Image') {
            when {
                expression {
                    return env.GIT_TAG_NAME != null
                }
            }
            steps {
                sh """
                    echo "⚙️ Building Docker image for ${IMAGE_TAG}"
                    docker build -f docker/Dockerfile -t ${REGISTRY}:${IMAGE_TAG} .
                """
            }
        }

        stage('Push to Registry') {
            when {
                expression {
                    return env.GIT_TAG_NAME != null
                }
            }
            steps {
                withCredentials([usernamePassword(credentialsId: 'codeberg-registry', usernameVariable: 'REGISTRY_USER', passwordVariable: 'REGISTRY_PASS')]) {
                    sh """
                        echo "$REGISTRY_PASS" | docker login ${REGISTRY} -u "$REGISTRY_USER" --password-stdin
                        docker push ${REGISTRY}:${IMAGE_TAG}
                    """
                }
            }
        }
    }
}