---
# DanceLessonsCoach Optimized Main Branch Workflow
# Fast, efficient CI/CD with artifact sharing for main branch
# Combines testing, version management, and Docker publishing

name: Main Branch CI/CD (Optimized)

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

# cancel any previously-started 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:
  build-test:
    name: Build and Test
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: '1.26.1'
          cache: true

      - name: Install dependencies
        run: go mod tidy

      - name: Install swag
        run: go install github.com/swaggo/swag/cmd/swag@latest

      - name: Generate Swagger Docs
        run: cd pkg/server && go generate

      - name: Build all packages
        run: go build ./...

      - name: Run tests with coverage
        run: go test ./... -cover -v

      - name: Build binaries
        run: ./scripts/build.sh

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: build-artifacts
          path: bin/
          retention-days: 1

  lint-format:
    name: Lint and Format
    runs-on: ubuntu-latest

    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
        run: go install github.com/swaggo/swag/cmd/swag@latest

      - name: Run go fmt
        run: go fmt ./...

      - name: Run swag fmt
        run: swag fmt

      - name: Check for formatting issues
        run: |
          if [ -n "$(go fmt ./...)" ]; then
            echo "❌ Formatting issues found"
            exit 1
          fi
          echo "✅ Code is properly formatted"

  version-management:
    name: Version Management and Docker Build
    runs-on: ubuntu-latest
    needs: [build-test, lint-format]
    if: github.ref == 'refs/heads/main'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: build-artifacts
          path: bin/

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: '1.26.1'

      - name: Install swag (if needed)
        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: Analyze commit and bump version if needed
        id: version-bump
        run: |
          # Analyze last commit message
          LAST_COMMIT=$(git log -1 --pretty=%B | head -1)
          VERSION_BUMPED="false"
          
          if echo "$LAST_COMMIT" | grep -q "^feat:"; then
            echo "🎯 Feature commit detected - bumping MINOR version"
            ./scripts/version-bump.sh minor
            VERSION_BUMPED="true"
          elif echo "$LAST_COMMIT" | grep -q "^fix:"; then
            echo "🐛 Fix commit detected - bumping PATCH version"
            ./scripts/version-bump.sh patch
            VERSION_BUMPED="true"
          elif echo "$LAST_COMMIT" | grep -q "BREAKING CHANGE"; then
            echo "💥 Breaking change detected - bumping MAJOR version"
            ./scripts/version-bump.sh major
            VERSION_BUMPED="true"
          else
            echo "⏭️  No automatic version bump needed"
          fi
          
          # Update swagger version regardless of bump
          source VERSION
          NEW_VERSION="$MAJOR.$MINOR.$PATCH${PRERELEASE:+-$PRERELEASE}"
          sed -i "s|// @version [0-9.]*|// @version $NEW_VERSION|" cmd/server/main.go
          
          echo "version_bumped=$VERSION_BUMPED" >> $GITHUB_OUTPUT

      - name: Commit version changes if bumped
        if: steps.version-bump.outputs.version_bumped == 'true'
        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

      - name: Login to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.CI_REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.PACKAGES_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image
        run: |
          # Determine tags based on event type
          source VERSION
          IMAGE_VERSION="$MAJOR.$MINOR.$PATCH${PRERELEASE:+-$PRERELEASE}"
          
          TAGS="$IMAGE_VERSION latest ${{ github.sha }}"
          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: |
          source VERSION
          IMAGE_VERSION="$MAJOR.$MINOR.$PATCH${PRERELEASE:+-$PRERELEASE}"
          echo "📦 Published Docker images:"
          echo "  - ${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:$IMAGE_VERSION"
          echo "  - ${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:latest"
          echo "  - ${{ env.CI_REGISTRY }}/${{ env.GITEA_ORG }}/${{ env.GITEA_REPO }}:${{ github.sha }}"