---
# DanceLessonsCoach Docker Image Build Workflow
# Based on Arcodange webapp conventions
# Builds and publishes Docker images to Gitea Container Registry

name: Docker Build and Publish

on:
  workflow_dispatch: {}
  push:
    branches:
      - main
    tags:
      - 'v*.*.*'
    paths-ignore:
      - 'README.md'
      - 'doc/**'
      - 'adr/**'
      - '.gitea/**'

# cancel any previously-started, yet still active runs of this workflow on the same branch
concurrency:
  group: ${{ github.ref }}-${{ github.workflow }}
  cancel-in-progress: true

# Arcodange-specific environment variables
env:
  GITEA_INTERNAL: "https://gitea.arcodange.lab/"
  GITEA_EXTERNAL: "https://gitea.arcodange.fr/"
  GITEA_ORG: "arcodange"
  GITEA_REPO: "DanceLessonsCoach"
  CI_REGISTRY: "gitea.arcodange.lab"

jobs:
  version-bump:
    name: Version Bump
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        
      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: '1.26.1'
          
      - name: Install swag and generate Swagger Docs
        run: |
          if [ ! -f pkg/server/docs/swagger.json ]; then
            echo "📝 Generating Swagger documentation..."
            go install github.com/swaggo/swag/cmd/swag@latest
            cd pkg/server && go generate
            echo "✅ Swagger documentation generated"
          else
            echo "✅ Swagger documentation already exists, skipping generation"
          fi
        
      - name: Bump version based on commit type
        run: |
          # Analyze last commit message
          LAST_COMMIT=$(git log -1 --pretty=%B | head -1)
          
          if echo "$LAST_COMMIT" | grep -q "^feat:"; then
            echo "🎯 Feature commit detected - bumping MINOR version"
            ./scripts/version-bump.sh minor
          elif echo "$LAST_COMMIT" | grep -q "^fix:"; then
            echo "🐛 Fix commit detected - bumping PATCH version"
            ./scripts/version-bump.sh patch
          elif echo "$LAST_COMMIT" | grep -q "BREAKING CHANGE"; then
            echo "💥 Breaking change detected - bumping MAJOR version"
            ./scripts/version-bump.sh major
          else
            echo "⏭️  No automatic version bump needed"
            # Still ensure swagger version is updated
            source VERSION
            NEW_VERSION="$MAJOR.$MINOR.$PATCH${PRERELEASE:+-$PRERELEASE}"
            sed -i "s|// @version [0-9.]*|// @version $NEW_VERSION|" cmd/server/main.go
          fi
          
      - name: Commit version changes
        run: |
          git config --global user.name "CI Bot"
          git config --global user.email "ci@arcodange.fr"
          git add VERSION cmd/server/main.go
          git commit -m "chore: auto version bump [skip ci]" || echo "No changes to commit"
          git push
  
  build-and-push-image:
    name: Build and Push Docker Image
    runs-on: ubuntu-latest
    needs: version-bump
    if: always() && (needs.version-bump.result == 'success' || needs.version-bump.result == 'skipped')
    
    steps:
      - name: Login to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.CI_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.PACKAGES_TOKEN }}
      
      - name: Checkout code
        uses: actions/checkout@v4
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Build and push image to Gitea Container Registry
        run: |-
          # Determine tags based on event type
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            # For tags, use the tag name and latest
            TAGS="${{ github.ref_name }} latest"
          else
            # For main branch, use commit SHA and latest
            TAGS="latest ${{ github.sha }}"
          fi
          
          echo "Building Docker image with tags: $TAGS"
          docker build -t dance-lessons-coach .
          
          for TAG in $TAGS; do
            IMAGE_NAME="${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:$TAG"
            echo "Tagging and pushing: $IMAGE_NAME"
            docker tag dance-lessons-coach "$IMAGE_NAME"
            docker push "$IMAGE_NAME"
          done
      
      - name: Show published images
        run: |-
          echo "📦 Published Docker images:"
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            echo "  - ${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:${{ github.ref_name }}"
            echo "  - ${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:latest"
          else
            echo "  - ${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:latest"
            echo "  - ${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:${{ github.sha }}"
          fi