---
# Woodpecker CI Pipeline for Trip Planner
# Builds and pushes production Docker image to Codeberg Container Registry

when:
  - event: push
    branch: main

variables:
  - &image_repo 'codeberg.org/lvl0/trip-planner'

steps:
  # Extract version from commit message if merging from release branch
  - name: extract-version
    image: alpine:latest
    commands:
      - |
        # Install git and grep with PCRE support
        apk add --no-cache git grep

        # Get the commit message to check if it's a merge from release branch
        COMMIT_MSG=$(git log -1 --pretty=%B)

        # Try to extract version from merge commit message (e.g., "Merge branch 'release/v0.1.0'")
        VERSION=$(echo "$COMMIT_MSG" | grep -oP "release/v?\K[0-9]+\.[0-9]+\.[0-9]+" || echo "")

        if [ -z "$VERSION" ]; then
          # No version found, use commit SHA as version
          VERSION="dev-$(git rev-parse --short HEAD)"
          echo "No release version detected, using: $VERSION"
          echo "$VERSION" > /woodpecker/version.txt
        else
          echo "Detected release version: $VERSION"
          echo "$VERSION" > /woodpecker/version.txt
          # Export for use in build step
          echo "export VERSION_TAG=$VERSION" >> /tmp/version_env.sh
        fi

  # Build and push with latest tag (always)
  - name: build-and-push-latest
    image: woodpeckerci/plugin-docker-buildx
    settings:
      repo: *image_repo
      registry: codeberg.org
      username:
        from_secret: container_registry_username
      password:
        from_secret: container_registry_token
      dockerfile: Dockerfile.prod
      context: .
      platforms: linux/amd64
      build_args:
        - BUILDKIT_INLINE_CACHE=1
      auto_tag: false
      tags:
        - latest
    depends_on:
      - extract-version

  # Check if this is a release build
  - name: check-release
    image: alpine:latest
    commands:
      - |
        VERSION=$(cat /woodpecker/version.txt)
        if echo "$VERSION" | grep -qv "^dev-"; then
          echo "Release version detected: $VERSION"
          echo "true" > /woodpecker/is_release.txt
        else
          echo "Development build ($VERSION), will skip version tag"
          echo "false" > /woodpecker/is_release.txt
        fi
    depends_on:
      - build-and-push-latest

  # Notify build status
  - name: notify-success
    image: alpine:latest
    commands:
      - |
        VERSION=$(cat /woodpecker/version.txt 2>/dev/null || echo "unknown")
        IS_RELEASE=$(cat /woodpecker/is_release.txt 2>/dev/null || echo "false")
        echo "✅ Successfully built and pushed trip-planner:latest"
        echo "Version: $VERSION"
        if [ "$IS_RELEASE" = "true" ]; then
          echo "ℹ️  This is a release build. To tag with version $VERSION:"
          echo "   docker pull codeberg.org/lvl0/trip-planner:latest"
          echo "   docker tag codeberg.org/lvl0/trip-planner:latest codeberg.org/lvl0/trip-planner:$VERSION"
          echo "   docker push codeberg.org/lvl0/trip-planner:$VERSION"
        fi
        echo "Image: codeberg.org/lvl0/trip-planner:latest"
    when:
      status: success

  - name: notify-failure
    image: alpine:latest
    commands:
      - echo "❌ Build failed! Check the logs above for details."
    when:
      status: failure