name: CI Pipeline

on:
  push:
    branches:
      - main
    tags:
      - 'v*.*.*'
  pull_request:
    branches:
      - main

jobs:
  test:
    runs-on: docker
    container:
      image: ruby:3.3-alpine
    defaults:
      run:
        working-directory: ./app
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install system dependencies
        run: |
          apk add --no-cache build-base libffi-dev linux-headers postgresql-dev git curl tzdata

      - name: Install bundler
        run: gem install bundler -v 2.6.7

      - name: Cache Ruby gems
        uses: actions/cache@v4
        with:
          path: app/vendor/bundle
          key: ${{ runner.os }}-gems-${{ hashFiles('app/Gemfile.lock') }}
          restore-keys: |
            ${{ runner.os }}-gems-

      - name: Install Ruby dependencies
        run: |
          bundle config path vendor/bundle
          bundle install --jobs 4 --retry 3

      - name: Run RSpec tests
        run: |
          mkdir -p tmp
          bundle exec rspec \
            --format progress \
            --format RspecJunitFormatter \
            --out tmp/rspec_results.xml

      - name: Upload test results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: rspec-results
          path: app/tmp/rspec_results.xml

  build:
    needs: test
    runs-on: docker
    if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/'))

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract version tag
        id: version
        run: |
          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
            echo "VERSION_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
          fi

      - name: Set image tags
        id: tags
        run: |
          IMAGE_NAME=${{ secrets.DOCKER_IMAGE_NAME }}
          TAGS="${IMAGE_NAME}:latest"
          if [ -n "${{ steps.version.outputs.VERSION_TAG }}" ]; then
            TAGS="$TAGS,${IMAGE_NAME}:${{ steps.version.outputs.VERSION_TAG }}"
          fi
          echo "tags=$TAGS" >> $GITHUB_OUTPUT

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.tags.outputs.tags }}

  notify:
    needs: [test, build]
    runs-on: docker
    if: always()
    
    steps:
      - name: Notify pipeline status
        run: |
          echo "📊 Pipeline Status Report:"
          echo "🧪 Tests: ${{ needs.test.result }}"
          if [ "${{ needs.build.result }}" != "skipped" ]; then
            echo "🐳 Build: ${{ needs.build.result }}"
          fi
          
          if [ "${{ needs.test.result }}" == "success" ]; then
            echo "✅ All tests passed!"
          else
            echo "❌ Tests failed"
          fi