name: 🏥 Care API - Coverage Analysis

on:
  push:
    branches: [main, develop, 'feature/*']
  pull_request:
    branches: [main, develop]
  schedule:
    # Executar diariamente às 03:00 UTC
    - cron: '0 3 * * *'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  PHP_VERSION: '8.1'
  NODE_VERSION: '18'
  COVERAGE_THRESHOLD: 70

jobs:
  # ======================================
  # ANÁLISE DE CÓDIGO E PREPARAÇÃO
  # ======================================
  prepare:
    name: 🔍 Preparação e Validação
    runs-on: ubuntu-latest
    outputs:
      should_run_coverage: ${{ steps.changes.outputs.php == 'true' || steps.changes.outputs.tests == 'true' }}
      php_files: ${{ steps.changes.outputs.php_files }}

    steps:
      - name: 📥 Checkout Code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: 🔄 Detect Changes
        uses: dorny/paths-filter@v2
        id: changes
        with:
          filters: |
            php:
              - 'src/**/*.php'
              - 'composer.json'
              - 'composer.lock'
            tests:
              - 'tests/**/*.php'
              - 'phpunit.xml'
              - 'bin/**/*.sh'
            config:
              - '.github/workflows/coverage.yml'
              - 'phpcs.xml'

      - name: 📊 Output Changes
        run: |
          echo "PHP files changed: ${{ steps.changes.outputs.php }}"
          echo "Tests changed: ${{ steps.changes.outputs.tests }}"
          echo "Config changed: ${{ steps.changes.outputs.config }}"

  # ======================================
  # COVERAGE ANALYSIS PRINCIPAL
  # ======================================
  coverage:
    name: 📊 Coverage Analysis
    runs-on: ubuntu-latest
    needs: prepare
    if: needs.prepare.outputs.should_run_coverage == 'true' || github.event_name == 'schedule'

    strategy:
      fail-fast: false
      matrix:
        coverage-driver: ['pcov', 'xdebug']

    services:
      mysql:
        image: mysql:8.0
        env:
          MYSQL_ROOT_PASSWORD: root
          MYSQL_DATABASE: wordpress_test
        ports:
          - 3306:3306
        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3

    steps:
      - name: 📥 Checkout Code
        uses: actions/checkout@v4

      - name: 🐘 Setup PHP with Coverage
        uses: shivammathur/setup-php@v2
        with:
          php-version: ${{ env.PHP_VERSION }}
          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick, mysql, mysqli, pdo_mysql
          coverage: ${{ matrix.coverage-driver }}
          tools: composer:v2, wp-cli

      - name: 📦 Get Composer Cache Directory
        id: composer-cache
        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT

      - name: 🗄️ Cache Composer Dependencies
        uses: actions/cache@v3
        with:
          path: ${{ steps.composer-cache.outputs.dir }}
          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
          restore-keys: |
            ${{ runner.os }}-composer-

      - name: 📦 Install Dependencies
        run: |
          composer install --prefer-dist --no-progress --no-interaction --optimize-autoloader
          composer show

      - name: 🔧 Setup WordPress Test Environment
        run: |
          bash bin/install-wp-tests.sh wordpress_test root root 127.0.0.1:3306 latest
          wp --info

      - name: ✅ Validate Environment
        run: |
          php --version
          php -m | grep -E "(pcov|xdebug)"
          phpunit --version
          mysql --version

      # ======================================
      # EXECUTAR TESTES COM COVERAGE
      # ======================================
      - name: 🧪 Run Unit Tests with Coverage
        run: |
          phpunit \
            --testsuite="KiviCare API Unit Tests" \
            --coverage-clover=coverage-unit.xml \
            --coverage-html=coverage-unit-html \
            --log-junit=junit-unit.xml

      - name: 🔗 Run Integration Tests with Coverage
        run: |
          phpunit \
            --testsuite="KiviCare API Integration Tests" \
            --coverage-clover=coverage-integration.xml \
            --coverage-html=coverage-integration-html \
            --log-junit=junit-integration.xml

      - name: 📋 Run Contract Tests with Coverage
        run: |
          phpunit \
            --testsuite="KiviCare API Contract Tests" \
            --coverage-clover=coverage-contract.xml \
            --coverage-html=coverage-contract-html \
            --log-junit=junit-contract.xml

      - name: 📊 Generate Combined Coverage Report
        run: |
          mkdir -p coverage-reports
          ./bin/generate-coverage.sh full
          ls -la coverage-*

      # ======================================
      # ANÁLISE DE QUALIDADE
      # ======================================
      - name: 🔍 Code Quality Analysis
        continue-on-error: true
        run: |
          # PHPLOC - Métricas de código
          if command -v phploc >/dev/null 2>&1; then
            phploc --log-xml=coverage-reports/phploc.xml src/
          fi

          # PHPCPD - Código duplicado
          if command -v phpcpd >/dev/null 2>&1; then
            phpcpd --log-pmd=coverage-reports/phpcpd.xml src/
          fi

          # PHPCS - Code Standards
          composer run phpcs || true

      # ======================================
      # PROCESSAR RESULTADOS
      # ======================================
      - name: 📈 Extract Coverage Metrics
        id: coverage
        run: |
          # Extrair percentagem de coverage do clover.xml
          if [ -f "coverage-reports/clover.xml" ]; then
            COVERAGE=$(php -r "
              \$xml = simplexml_load_file('coverage-reports/clover.xml');
              \$elements = (int) \$xml->project->metrics['elements'];
              \$covered = (int) \$xml->project->metrics['coveredelements'];
              echo \$elements > 0 ? round((\$covered / \$elements) * 100, 2) : 0;
            ")
            echo "coverage=$COVERAGE" >> $GITHUB_OUTPUT
            echo "threshold_met=$([ $(echo "$COVERAGE >= $COVERAGE_THRESHOLD" | bc -l) -eq 1 ] && echo 'true' || echo 'false')" >> $GITHUB_OUTPUT
          else
            echo "coverage=0" >> $GITHUB_OUTPUT
            echo "threshold_met=false" >> $GITHUB_OUTPUT
          fi

      # ======================================
      # UPLOAD DE ARTIFACTS
      # ======================================
      - name: 📤 Upload Coverage Reports
        uses: actions/upload-artifact@v3
        if: always()
        with:
          name: coverage-reports-${{ matrix.coverage-driver }}-${{ github.run_number }}
          path: |
            coverage-*.xml
            coverage-*-html/
            coverage-reports/
            coverage-dashboard.html
            junit-*.xml
          retention-days: 30

      - name: 📤 Upload Test Results
        uses: actions/upload-artifact@v3
        if: always()
        with:
          name: test-results-${{ matrix.coverage-driver }}-${{ github.run_number }}
          path: |
            junit-*.xml
            tests/_output/
          retention-days: 7

      # ======================================
      # INTEGRAÇÃO CODECOV
      # ======================================
      - name: 📊 Upload to Codecov
        uses: codecov/codecov-action@v3
        if: always()
        with:
          files: ./coverage-reports/clover.xml,./coverage-unit.xml,./coverage-integration.xml,./coverage-contract.xml
          flags: ${{ matrix.coverage-driver }}
          name: care-api-${{ matrix.coverage-driver }}
          fail_ci_if_error: false
          verbose: true
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

      # ======================================
      # VALIDAÇÃO DE THRESHOLD
      # ======================================
      - name: 🎯 Validate Coverage Threshold
        if: steps.coverage.outputs.threshold_met == 'false'
        run: |
          echo "❌ Coverage threshold not met!"
          echo "Current: ${{ steps.coverage.outputs.coverage }}%"
          echo "Required: ${{ env.COVERAGE_THRESHOLD }}%"
          exit 1

      # ======================================
      # COMENTÁRIO NO PR
      # ======================================
      - name: 💬 Comment Coverage Results
        uses: actions/github-script@v6
        if: github.event_name == 'pull_request' && always()
        with:
          script: |
            const coverage = '${{ steps.coverage.outputs.coverage }}';
            const threshold = '${{ env.COVERAGE_THRESHOLD }}';
            const driver = '${{ matrix.coverage-driver }}';
            const thresholdMet = '${{ steps.coverage.outputs.threshold_met }}' === 'true';

            const emoji = thresholdMet ? '✅' : '❌';
            const status = thresholdMet ? 'PASSED' : 'FAILED';

            const comment = `## 📊 Coverage Report (${driver})

            ${emoji} **Coverage Status: ${status}**

            - **Current Coverage:** ${coverage}%
            - **Required Threshold:** ${threshold}%
            - **Coverage Driver:** ${driver}

            ### 📈 Detailed Reports
            - [Coverage Dashboard](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
            - [Unit Tests Coverage](coverage-unit-html/index.html)
            - [Integration Tests Coverage](coverage-integration-html/index.html)
            - [Contract Tests Coverage](coverage-contract-html/index.html)

            ### 🎯 Quality Metrics
            - Code coverage analysis completed with ${driver}
            - Reports available as workflow artifacts
            - Historical coverage tracking via Codecov

            ---
            🏥 **Care API Healthcare Management System**
            💚 *Powered by Descomplicar® Crescimento Digital*`;

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });

  # ======================================
  # MERGE E COMPARAÇÃO DE RELATÓRIOS
  # ======================================
  merge-reports:
    name: 🔀 Merge Coverage Reports
    runs-on: ubuntu-latest
    needs: coverage
    if: always()

    steps:
      - name: 📥 Checkout Code
        uses: actions/checkout@v4

      - name: 🐘 Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: ${{ env.PHP_VERSION }}
          tools: composer:v2, phpcov

      - name: 📥 Download Coverage Artifacts
        uses: actions/download-artifact@v3
        with:
          path: artifacts/

      - name: 🔀 Merge Coverage Reports
        run: |
          mkdir -p merged-coverage

          # Localizar todos os arquivos clover.xml
          find artifacts/ -name "clover.xml" -exec cp {} merged-coverage/ \; -exec echo "Found: {}" \;

          # Se existem múltiplos relatórios, usar phpcov para merge
          if [ $(find merged-coverage/ -name "*.xml" | wc -l) -gt 1 ]; then
            composer global require phpunit/phpcov
            ~/.composer/vendor/bin/phpcov merge --html merged-coverage-html merged-coverage/
          fi

      - name: 📤 Upload Merged Reports
        uses: actions/upload-artifact@v3
        if: always()
        with:
          name: merged-coverage-reports-${{ github.run_number }}
          path: |
            merged-coverage/
            merged-coverage-html/
          retention-days: 90

  # ======================================
  # NOTIFICAÇÃO DE STATUS
  # ======================================
  notify:
    name: 📢 Notify Status
    runs-on: ubuntu-latest
    needs: [coverage, merge-reports]
    if: always() && (github.event_name == 'push' || github.event_name == 'schedule')

    steps:
      - name: 🔔 Notify Success
        if: needs.coverage.result == 'success'
        run: |
          echo "✅ Coverage analysis completed successfully!"
          echo "All tests passed and coverage thresholds met."

      - name: 🚨 Notify Failure
        if: needs.coverage.result == 'failure'
        run: |
          echo "❌ Coverage analysis failed!"
          echo "Check the workflow logs for details."
          exit 1

# ======================================
# CONFIGURAÇÃO DE ENVIRONMENT
# ======================================
env:
  CI: true
  WP_TESTS_DIR: /tmp/wordpress-tests-lib
  WP_CORE_DIR: /tmp/wordpress