name: Integration Test

on:
  pull_request:
    branches: [ "main" ]
  workflow_dispatch: {}

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

jobs:
  # ── Job 1: Platform Conformance ───────────────────────────────────────────
  platform-check:
    name: Platform Conformance
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Validate catalog-info.yaml
        run: |
          if [ ! -f catalog-info.yaml ]; then
            echo "✗ catalog-info.yaml not found"
            exit 1
          fi
          python3 -c "import yaml; list(yaml.safe_load_all(open('catalog-info.yaml')))" 2>/dev/null \
            || (pip install pyyaml -q && python3 -c "import yaml; list(yaml.safe_load_all(open('catalog-info.yaml')))")
          echo "✓ catalog-info.yaml is valid YAML"

      - name: Check platform initialized
        run: |
          if [ -f ".platform/initialized.md" ]; then
            echo "✓ Platform initialized"
          else
            echo "⚠ .platform/initialized.md not found — skipping guard"
          fi

  # ── Job 2: Unit Tests + Container Smoke ───────────────────────────────────
  smoke-test:
    name: Unit Tests + Container Smoke
    runs-on: ubuntu-latest
    needs: platform-check
    timeout-minutes: 20

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

      - name: Free disk space
        run: |
          docker system prune -f 2>/dev/null || true
          df -h / 2>/dev/null || true

      - name: Install Docker CLI
        run: command -v docker &>/dev/null || (apt-get update -qq && apt-get install -y docker.io)

      - name: Build container image
        run: |
          if [ -f Dockerfile ]; then
            docker build -t ci-image:test .
          else
            echo "No Dockerfile found — skipping container smoke test"
            echo "SKIP_SMOKE=true" >> $GITHUB_ENV
          fi

      - name: Start service and wait for health
        if: env.SKIP_SMOKE != 'true'
        run: |
          CONTAINER_NAME="ci-${GITHUB_RUN_ID}"
          PORT="${CONTAINER_PORT:-8080}"
          HEALTH_PATH="${HEALTH_ENDPOINT:-/health}"
          echo "CONTAINER_NAME=${CONTAINER_NAME}" >> $GITHUB_ENV
          echo "CONTAINER_PORT=${PORT}" >> $GITHUB_ENV
          echo "HEALTH_PATH=${HEALTH_PATH}" >> $GITHUB_ENV

          docker run -d --name "${CONTAINER_NAME}" -e OTEL_SDK_DISABLED=true ci-image:test

          for i in $(seq 1 10); do
            CONTAINER_IP=$(docker inspect "${CONTAINER_NAME}" --format '{{.NetworkSettings.IPAddress}}' 2>/dev/null)
            [ -n "${CONTAINER_IP}" ] && break
            sleep 1
          done
          echo "CONTAINER_IP=${CONTAINER_IP}" >> $GITHUB_ENV

          echo "Waiting for ${HEALTH_PATH} on ${CONTAINER_IP}:${PORT} (up to 180s)..."
          DEADLINE=$(($(date +%s) + 180))
          while true; do
            if curl -sf "http://${CONTAINER_IP}:${PORT}${HEALTH_PATH}" >/dev/null 2>&1; then
              break
            fi
            if [ $(date +%s) -ge $DEADLINE ]; then
              echo "Timeout waiting for health check"
              docker logs "${CONTAINER_NAME}" 2>&1 | tail -30
              exit 1
            fi
            if ! docker ps --filter "name=${CONTAINER_NAME}" --format '{{.Status}}' | grep -q Up; then
              echo "Container exited:"
              docker logs "${CONTAINER_NAME}" 2>&1 | tail -30
              exit 1
            fi
            echo "  still waiting..."; sleep 3
          done
          echo "✓ Service healthy at ${CONTAINER_IP}:${PORT}${HEALTH_PATH}"

      - name: Validate health response
        if: env.SKIP_SMOKE != 'true'
        run: |
          curl -sf "http://${CONTAINER_IP}:${CONTAINER_PORT}${HEALTH_PATH}" > /tmp/health.json
          echo "Health response:"
          cat /tmp/health.json
          echo ""
          echo "✓ Container smoke test: PASSED"

      - name: Cleanup
        if: always()
        run: docker rm -f "ci-${GITHUB_RUN_ID}" 2>/dev/null || true

      - name: Post commit status
        if: always()
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          JOB_STATUS: ${{ job.status }}
        run: |
          STATE=$([[ "$JOB_STATUS" == "success" ]] && echo "success" || echo "failure")
          DESC=$([[ "$STATE" == "success" ]] && echo "All checks passed" || echo "Some checks failed")
          curl -sf -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            "${GITHUB_SERVER_URL}/api/v1/repos/${GITHUB_REPOSITORY}/statuses/${GITHUB_SHA}" \
            -d "{\"state\":\"${STATE}\",\"context\":\"Integration Test / Unit Tests + Container Smoke (workflow_dispatch)\",\"description\":\"${DESC}\"}" \
            || true