name: Realistic E2E CI

on:
  push:
    paths:
      - 'webapp/**'
      - 'backend/**'
      - 'neo4j/**'
      - 'cypress/**'
      - '.github/workflows/test-e2e.yml'

jobs:
  prepare_backend_environment:
    name: Fullstack | prepare backend environment
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Copy env files
        run: |
          cp backend/.env.test_e2e backend/.env || true
          cp webapp/.env.template webapp/.env || true

      - name: Build backend and dependencies
        run: |
          docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach backend --build

      - name: Save docker images to disk
        run: |
          docker save ocelotsocialnetwork/backend:test > /tmp/backend.tar
          docker save ocelotsocialnetwork/neo4j:test > /tmp/neo4j.tar
          docker save ocelotsocialnetwork/webapp:test > /tmp/webapp.tar

      - name: Cache docker images
        uses: actions/cache@v4
        with:
          path: |
            /tmp/backend.tar
            /tmp/neo4j.tar
            /tmp/webapp.tar
          key: ${{ github.run_id }}-e2e-images

      - name: Shutdown services after image save
        run: docker compose -f docker-compose.yml -f docker-compose.test.yml down

  run_tests:
    name: Run Cypress Tests Against Docker Setup
    runs-on: ubuntu-latest
    needs: prepare_backend_environment
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Restore docker image cache
        uses: actions/cache@v4
        with:
          path: |
            /tmp/backend.tar
            /tmp/neo4j.tar
            /tmp/webapp.tar
          key: ${{ github.run_id }}-e2e-images

      - name: Load Docker Images
        run: |
          docker load -i /tmp/backend.tar
          docker load -i /tmp/neo4j.tar
          docker load -i /tmp/webapp.tar

      - name: Prepare env files
        run: |
          cp backend/.env.test_e2e backend/.env || true
          cp webapp/.env.template webapp/.env || true

      - name: Restore Cypress cache
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/Cypress
            ./cypress
            /opt/cucumber-json-formatter
          key: ${{ runner.os }}-cypress-${{ hashFiles('**/package-lock.json') }}

      - name: Install dependencies
        run: |
          cd backend && yarn install && yarn build
          cd .. && yarn install

      - name: Start selected services via Compose
        run: |
          docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach backend mailserver webapp

      - name: Wait for webapp to be ready
        uses: jakejarvis/wait-action@v0.1.0
        with:
          url: http://localhost:3000
          timeout: 120000

      - name: Run Cypress Tests
        run: yarn run cypress:run --spec $(cypress/parallel-features.sh 1 1)

      - name: Show service logs on failure
        if: failure()
        run: |
          docker compose -f docker-compose.yml -f docker-compose.test.yml logs backend
          docker compose -f docker-compose.yml -f docker-compose.test.yml logs webapp

      - name: Shutdown Docker Compose
        if: always()
        run: docker compose -f docker-compose.yml -f docker-compose.test.yml down