name: MD Simulation Health Check

on:
  push:
    branches: [MD-integration]
  workflow_dispatch:

concurrency:
  group: md-simulation-health-${{ github.ref }}
  cancel-in-progress: true

jobs:
  md-simulation-health-check:
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          lfs: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build Laravel image
        run: docker build -t ailixir-laravel .

      - name: Build MD simulation image
        run: docker build -t md-simulation ai_apps/Protein-Ligand-MD-Simulation/

      - name: Create Docker network
        run: docker network create ailixir-md

      - name: Start Laravel API
        run: |
          docker run -d --name ailixir-laravel \
            --network ailixir-md \
            -p 8000:8000 \
            --env-file docker/laravel.env \
            -e MD_SIMULATION_URL=http://md-api:5005 \
            ailixir-laravel

      - name: Start Redis
        run: |
          docker run -d --name md-redis \
            --network ailixir-md \
            --network-alias md-redis \
            redis:7-alpine

      - name: Start MD Simulation API
        run: |
          docker run -d --name md-api \
            --network ailixir-md \
            -p 5005:5005 \
            -e REDIS_HOST=md-redis \
            -e REDIS_PORT=6379 \
            -e USE_REDIS=true \
            -e OPENMM_PLATFORM=CPU \
            -e FLASK_HOST=0.0.0.0 \
            -e FLASK_PORT=5005 \
            -e MD_DATA_DIR=/app/data \
            -e LOG_LEVEL=INFO \
            md-simulation

      - name: Wait for Laravel API to be ready
        run: |
          echo "Waiting for Laravel API to be ready..."
          for i in $(seq 1 30); do
            if curl -sf http://localhost:8000/ > /dev/null 2>&1; then
              echo "Laravel API is ready"
              exit 0
            fi
            echo "Waiting for Laravel ($i/30)..."
            sleep 2
          done
          docker logs ailixir-laravel
          exit 1

      - name: Wait for MD Simulation API to be healthy
        run: |
          echo "Waiting for MD Simulation API to be healthy..."
          for i in $(seq 1 60); do
            if curl -sf http://localhost:5005/health > /dev/null 2>&1; then
              echo "MD Simulation API is healthy"
              exit 0
            fi
            echo "Waiting for MD API ($i/60)..."
            sleep 5
          done
          docker logs md-api
          exit 1

      - name: Test MD simulation health via Laravel proxy
        run: |
          echo "GET /api/md-simulation/health via Laravel proxy"
          RESPONSE=$(curl -sf http://localhost:8000/api/md-simulation/health)
          echo "$RESPONSE"
          STATUS=$(echo "$RESPONSE" | python3 -c "import json,sys; print(json.load(sys.stdin).get('status'))")
          if [ "$STATUS" != "ok" ]; then
            echo "Expected status 'ok', got '$STATUS'"
            exit 1
          fi
          echo "MD Simulation service is healthy via Laravel proxy!"

      - name: Dump logs on failure
        if: failure()
        run: |
          docker logs ailixir-laravel || true
          docker logs md-api || true
          docker logs md-redis || true

      - name: Cleanup
        if: always()
        run: |
          docker rm -f ailixir-laravel md-api md-redis 2>/dev/null || true
          docker network rm ailixir-md 2>/dev/null || true