---
# dance-lessons-coach Unified CI/CD Workflow
# Single, optimized workflow that replaces all previous workflows
# Fast execution with minimal repetition and maximum artifact sharing

name: CI/CD Pipeline

on:
  workflow_dispatch: {}
  push:
    branches:
      - main
      - 'ci/**'
      - 'feature/**'
      - 'fix/**'
      - 'refactor/**'
    paths-ignore:
      - 'README.md'
      - 'doc/**'
      - 'adr/**'
      - '.gitea/**'
      - 'documentation/**'
      - '*.md'
      - '.vibe/**'
      - 'features/**'
  pull_request:
    branches:
      - main
    types: [opened, synchronize, reopened, labeled]
    paths-ignore:
      - 'README.md'
      - 'doc/**'
      - 'adr/**'
      - '.gitea/**'
      - 'documentation/**'
      - '*.md'
      - '.vibe/**'
      - 'features/**'

# 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: "dance-lessons-coach"
  CI_REGISTRY: "gitea.arcodange.lab"

jobs:
  ci-pipeline:
    name: CI Pipeline
    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

      # SINGLE swag installation - reused for all steps
      - name: Install swag (once)
        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: |
          # Run tests with coverage
          go test ./... -coverprofile=coverage.out -v
          go tool cover -func=coverage.out > coverage.txt
          
          # Extract coverage percentage
          COVERAGE=$(grep "total:" coverage.txt | grep -oP '\d+\.\d+' | head -1)
          echo "Coverage: ${COVERAGE}%"
          
          # Determine badge color
          if (( $(echo "$COVERAGE >= 80" | bc -l) )); then
            COLOR="brightgreen"
          elif (( $(echo "$COVERAGE >= 50" | bc -l) )); then
            COLOR="yellow"
          else
            COLOR="red"
          fi
          
          # Update README with new badge
          BADGE_URL="https://img.shields.io/badge/coverage-${COVERAGE}%-${COLOR}?style=flat-square"
          sed -i "s|https://img.shields.io/badge/coverage-.*-.*?style=flat-square|${BADGE_URL}|" README.md
          
          # Commit and push the update
          git config --global user.name "CI Bot"
          git config --global user.email "ci@arcodange.fr"
          git add README.md
          git commit -m "🤖 chore: update coverage badge to ${COVERAGE}%" || echo "No coverage change to commit"
          git push || echo "Push failed - may be duplicate commit"

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

      - name: Run swag fmt
        run: swag fmt

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

      # NOTE: Artifact upload disabled - actions/upload-artifact@v4 not available on Gitea
      # TODO: Replace with Gitea-specific upload action when available
      # - name: Upload Swagger documentation
      #   uses: actions/upload-artifact@v4
      #   with:
      #     name: swagger-docs
      #     path: pkg/server/docs/swagger.json
      #     retention-days: 1

      # Version management and Docker build (main branch only)
      - name: Version management and Docker build
        if: github.ref == 'refs/heads/main'
        run: |
          # Analyze last commit message
          LAST_COMMIT=$(git log -1 --pretty=%B | head -1)
          VERSION_BUMPED="false"
          
          # Automatic version bump based on commit type
          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
          
          # Commit version changes if bumped
          if [ "$VERSION_BUMPED" = "true" ]; then
            git config --global user.name "CI Bot"
            git config --global user.email "ci@arcodange.fr"
            git add VERSION cmd/server/main.go README.md
            git commit -m "chore: auto version bump [skip ci]" || echo "No changes to commit"
            git push
          fi

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

      - name: Set up Docker Buildx
        if: github.ref == 'refs/heads/main'
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image
        if: github.ref == 'refs/heads/main'
        run: |
          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
        if: github.ref == 'refs/heads/main'
        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 }}"