version: "1"

stages:
    - build
    - push
    - deploy

variables:
    IMAGE_NAME: angular-web-app
    TAG: ${CI_COMMIT_TAG:-latest}
    GITEA_REGISTRY: ${CI_REGISTRY}

build-image:
    stage: build
    image: docker:latest
    services:
        - docker:dind
    before_script:
        - apk add --no-cache bash
        - chmod +x ./build.sh ./push-to-gitea.sh
    script:
        - echo "🏗️  Baue Docker-Image..."
        - ./build.sh "$IMAGE_NAME" "$TAG"
    artifacts:
        paths:
            - Dockerfile

push-image:
    stage: push
    image: docker:latest
    services:
        - docker:dind
    before_script:
        - apk add --no-cache bash
        - chmod +x ./push-to-gitea.sh
    script:
        - echo "⬆️  Push zu Gitea Registry..."
        - |
            export GITEA_REGISTRY="${CI_REGISTRY}"
            export GITEA_USER="${CI_REGISTRY_USER}"
            export GITEA_TOKEN="${CI_REGISTRY_TOKEN}"
            ./push-to-gitea.sh "$IMAGE_NAME" "$TAG"
    only:
        - main
        - tags

deploy:
    stage: deploy
    image: alpine:latest
    needs:
        - push-image
    only:
        - main
        - tags
    script:
        - echo "🚀  Deployment auf Zielserver starten..."
        - apk add --no-cache openssh-client docker-cli
        - echo "${DEPLOY_KEY}" > /tmp/deploy_key.pem
        - chmod 600 /tmp/deploy_key.pem
        - |
          ssh -i /tmp/deploy_key.pem -o StrictHostKeyChecking=no ${DEPLOY_USER}@${DEPLOY_HOST} <<EOF
            echo "📦  Pull aktuelles Image aus Registry..."
            docker login ${GITEA_REGISTRY} -u "${CI_REGISTRY_USER}" -p "${CI_REGISTRY_TOKEN}"
            docker pull ${GITEA_REGISTRY}/${CI_REGISTRY_USER}/${IMAGE_NAME}:${TAG}
            echo "🛑  Stoppe alten Container (falls vorhanden)..."
            docker stop ${IMAGE_NAME} || true
            docker rm ${IMAGE_NAME} || true
            echo "🚀  Starte neuen Container..."
            docker run -d --name ${IMAGE_NAME} -p 80:80 ${GITEA_REGISTRY}/${CI_REGISTRY_USER}/${IMAGE_NAME}:${TAG}
          EOF