name: CI

on:
  push:
  pull_request:

jobs:
  # ─── Unit & Browser Component Tests ──────────────────────────────────────────
  # Runs inside the official Playwright Docker image — Chromium and all system
  # deps are pre-installed, so no install or cache step is needed for the browser.
  unit-tests:
    name: Unit & Component Tests
    runs-on: ubuntu-latest
    container:
      image: mcr.microsoft.com/playwright:v1.58.2-noble
    steps:
      - uses: actions/checkout@v4

      - name: Cache node_modules
        id: node-modules-cache
        uses: actions/cache@v4
        with:
          path: frontend/node_modules
          key: node-modules-${{ hashFiles('frontend/package-lock.json') }}

      - name: Install dependencies
        if: steps.node-modules-cache.outputs.cache-hit != 'true'
        run: npm ci
        working-directory: frontend

      - name: Compile Paraglide i18n
        run: npx @inlang/paraglide-js compile --project ./project.inlang --outdir ./src/lib/paraglide
        working-directory: frontend

      - name: Lint
        run: npm run lint
        working-directory: frontend

      - name: Run unit and component tests
        run: npm test
        working-directory: frontend

      - name: Upload screenshots
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: unit-test-screenshots
          path: frontend/test-results/screenshots/

  # ─── Backend Unit & Slice Tests ───────────────────────────────────────────────
  # Pure Mockito + WebMvcTest — no DB or S3 needed.
  backend-unit-tests:
    name: Backend Unit Tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: temurin

      - name: Cache Maven repository
        uses: actions/cache@v4
        with:
          path: ~/.m2/repository
          key: maven-${{ hashFiles('backend/pom.xml') }}
          restore-keys: maven-

      - name: Run backend tests
        run: |
          chmod +x mvnw
          ./mvnw clean test
        working-directory: backend

  # ─── E2E Tests ────────────────────────────────────────────────────────────────
  # Needs: PostgreSQL + MinIO (via docker-compose) + Spring Boot + SvelteKit dev server.
  # Test data is seeded by DataInitializer on first startup (admin user + e2e profile data).
  e2e-tests:
    name: E2E Tests
    runs-on: ubuntu-latest

    # These env vars are picked up by docker-compose (overrides .env file)
    env:
      DOCKER_API_VERSION: "1.43"
      POSTGRES_USER: archive_user
      POSTGRES_PASSWORD: ci_db_password
      POSTGRES_DB: family_archive_db
      MINIO_ROOT_USER: minio_admin
      MINIO_ROOT_PASSWORD: ci_minio_password
      MINIO_DEFAULT_BUCKETS: archive-documents
      PORT_DB: 5433
      PORT_MINIO_API: 9100
      PORT_MINIO_CONSOLE: 9101
      PORT_BACKEND: 8080
      PORT_FRONTEND: 3000

    steps:
      - uses: actions/checkout@v4

      # ── Infrastructure ──────────────────────────────────────────────────────
      - name: Cleanup leftover containers from previous runs
        run: docker compose -f docker-compose.yml -f docker-compose.ci.yml down --volumes --remove-orphans || true

      - name: Start DB and MinIO
        run: docker compose -f docker-compose.yml -f docker-compose.ci.yml up -d db minio create-buckets

      - name: Wait for DB to be ready
        run: |
          timeout 30 bash -c \
            'until docker compose -f docker-compose.yml -f docker-compose.ci.yml exec -T db pg_isready -U archive_user; do sleep 2; done'

      - name: Connect job container to compose network
        run: docker network connect familienarchiv_archive-net $(cat /etc/hostname)

      # ── Backend ─────────────────────────────────────────────────────────────
      - uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: temurin

      - name: Cache Maven repository
        uses: actions/cache@v4
        with:
          path: ~/.m2/repository
          key: maven-${{ hashFiles('backend/pom.xml') }}
          restore-keys: maven-

      - name: Build backend (skip tests — covered by separate Java test job)
        run: |
          chmod +x mvnw
          ./mvnw clean package -DskipTests
        working-directory: backend

      - name: Start backend
        run: |
          java -jar backend/target/*.jar \
            --spring.profiles.active=e2e \
            --SPRING_DATASOURCE_URL=jdbc:postgresql://db:5432/family_archive_db \
            --SPRING_DATASOURCE_USERNAME=archive_user \
            --SPRING_DATASOURCE_PASSWORD=ci_db_password \
            --S3_ENDPOINT=http://minio:9000 \
            --S3_ACCESS_KEY=minio_admin \
            --S3_SECRET_KEY=ci_minio_password \
            --S3_BUCKET_NAME=archive-documents \
            --S3_REGION=us-east-1 \
            --APP_ADMIN_USERNAME=admin \
            --APP_ADMIN_PASSWORD=admin123 \
            &
          echo "Waiting for backend..."
          timeout 90 bash -c \
            'until curl -sf http://localhost:8080/actuator/health | grep -q "UP"; do sleep 3; done'
          echo "Backend is up."

      # ── Frontend ─────────────────────────────────────────────────────────────
      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Cache node_modules
        id: node-modules-cache
        uses: actions/cache@v4
        with:
          path: frontend/node_modules
          key: node-modules-${{ hashFiles('frontend/package-lock.json') }}

      - name: Install frontend dependencies
        if: steps.node-modules-cache.outputs.cache-hit != 'true'
        run: npm ci
        working-directory: frontend

      - name: Cache Playwright browsers
        id: playwright-cache
        uses: actions/cache@v4
        with:
          path: ~/.cache/ms-playwright
          key: playwright-chromium-${{ hashFiles('frontend/package-lock.json') }}

      - name: Install Playwright Chromium + system deps
        if: steps.playwright-cache.outputs.cache-hit != 'true'
        run: npx playwright install chromium --with-deps
        working-directory: frontend

      - name: Install Playwright system deps (browser binary already cached)
        if: steps.playwright-cache.outputs.cache-hit == 'true'
        run: npx playwright install-deps chromium
        working-directory: frontend

      # ── Tests ────────────────────────────────────────────────────────────────
      - name: Run E2E tests
        run: npm run test:e2e
        working-directory: frontend
        env:
          E2E_BASE_URL: http://localhost:3000
          E2E_USERNAME: admin
          E2E_PASSWORD: admin123
          E2E_BACKEND_URL: http://localhost:8080

      - name: Upload E2E results
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: e2e-results
          path: frontend/test-results/e2e/