# Woodpecker CI Pipeline
# Go Backend + Next.js Frontend + PostgreSQL

when:
  - event: [push, pull_request]
    branch: main

steps:
  # 1. Backend Docker image build
  build-backend:
    image: docker:24-dind
    privileged: true
    commands:
      - docker build -t hell-world-backend:${CI_COMMIT_SHA:0:8} ./backend
      - docker tag hell-world-backend:${CI_COMMIT_SHA:0:8} registry.gecore.mn/library/hell-world-backend:${CI_COMMIT_SHA:0:8}
      - docker tag hell-world-backend:${CI_COMMIT_SHA:0:8} registry.gecore.mn/library/hell-world-backend:latest

  # 2. Frontend Docker image build
  build-frontend:
    image: docker:24-dind
    privileged: true
    commands:
      - docker build -t hell-world-frontend:${CI_COMMIT_SHA:0:8} ./frontend
      - docker tag hell-world-frontend:${CI_COMMIT_SHA:0:8} registry.gecore.mn/library/hell-world-frontend:${CI_COMMIT_SHA:0:8}
      - docker tag hell-world-frontend:${CI_COMMIT_SHA:0:8} registry.gecore.mn/library/hell-world-frontend:latest

  # 3. Push backend to Harbor registry
  push-backend:
    image: docker:24-dind
    privileged: true
    commands:
      - echo "$HARBOR_PASSWORD" | docker login registry.gecore.mn -u "$HARBOR_USER" --password-stdin
      - docker push registry.gecore.mn/library/hell-world-backend:${CI_COMMIT_SHA:0:8}
      - docker push registry.gecore.mn/library/hell-world-backend:latest
    secrets: [harbor_user, harbor_password]
    when:
      event: push
      branch: main

  # 4. Push frontend to Harbor registry
  push-frontend:
    image: docker:24-dind
    privileged: true
    commands:
      - echo "$HARBOR_PASSWORD" | docker login registry.gecore.mn -u "$HARBOR_USER" --password-stdin
      - docker push registry.gecore.mn/library/hell-world-frontend:${CI_COMMIT_SHA:0:8}
      - docker push registry.gecore.mn/library/hell-world-frontend:latest
    secrets: [harbor_user, harbor_password]
    when:
      event: push
      branch: main

  # 5. Update Kubernetes manifests with new image tags
  update-manifests:
    image: alpine:latest
    commands:
      - apk add --no-cache sed git
      - 'sed -i "s#image:.*hell-world-backend.*#image: registry.gecore.mn/library/hell-world-backend:${CI_COMMIT_SHA:0:8}#g" manifests/backend-deployment.yaml'
      - 'sed -i "s#image:.*hell-world-frontend.*#image: registry.gecore.mn/library/hell-world-frontend:${CI_COMMIT_SHA:0:8}#g" manifests/frontend-deployment.yaml'
      - git config user.email "ci@gecore.mn"
      - git config user.name "Woodpecker CI"
      - git add manifests/
      - 'git commit -m "ci: update images to ${CI_COMMIT_SHA:0:8}" || true'
      - git push origin main || true
    when:
      event: push
      branch: main

  # 6. Deploy notification
  notify:
    image: alpine:latest
    commands:
      - echo "✅ Build completed for commit ${CI_COMMIT_SHA:0:8}"
      - echo "📦 Backend: registry.gecore.mn/library/hell-world-backend:${CI_COMMIT_SHA:0:8}"
      - echo "📦 Frontend: registry.gecore.mn/library/hell-world-frontend:${CI_COMMIT_SHA:0:8}"
      - echo "🔗 ArgoCD will sync automatically"
    when:
      status: [success, failure]