# Checks every push and pull request: backend tests, frontend lint/typecheck/build, and
# the Playwright end-to-end tests. Pushing a version tag (v1.2.3) also deploys, once the
# DEPLOY_* secrets are set (Repository → Settings → Actions → Secrets).
#
# Needs a Gitea Actions runner with the "ubuntu-latest" label (Docker), e.g. act_runner:
# https://docs.gitea.com/usage/actions/act-runner
name: CI

on:
  push:
    branches: ["**"]
    tags: ["v*"]
  pull_request:

env:
  NODE_VERSION: "20"
  # Throwaway values for the test database and tokens — never production secrets.
  JWT_SECRET: ci-only-jwt-secret-not-for-production
  DATABASE_URL: postgresql://postgres:postgres@postgres:5432/events_ci
  E2E_DATABASE_URL: postgresql://postgres:postgres@postgres:5432/events_ci_e2e

jobs:
  backend:
    name: Backend tests
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: events_ci
        options: >-
          --health-cmd "pg_isready -U postgres" --health-interval 5s --health-timeout 5s --health-retries 10
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: npm
          cache-dependency-path: backend/package-lock.json
      - run: npm ci
        working-directory: backend
      - name: Migrations apply cleanly
        run: npx prisma migrate deploy
        working-directory: backend
      - run: npm test
        working-directory: backend

  frontend:
    name: Frontend lint, typecheck, build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: npm
          cache-dependency-path: frontend/package-lock.json
      - run: npm ci
        working-directory: frontend
      - run: npx eslint src
        working-directory: frontend
      - run: npx tsc --noEmit -p .
        working-directory: frontend
      - run: npm run build
        working-directory: frontend
        env:
          NEXT_PUBLIC_API_URL: http://localhost:5000
          NEXT_TELEMETRY_DISABLED: "1"

  e2e:
    name: End-to-end tests
    runs-on: ubuntu-latest
    needs: [backend, frontend]
    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: events_ci
        options: >-
          --health-cmd "pg_isready -U postgres" --health-interval 5s --health-timeout 5s --health-retries 10
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
      - run: npm ci
      - run: npm ci
        working-directory: backend
      - run: npm ci
        working-directory: frontend
      - run: npx playwright install --with-deps chromium
      - run: npx playwright test
        env:
          CI: "true"
      - name: Keep the report when tests fail
        if: failure()
        uses: actions/upload-artifact@v3
        with:
          name: playwright-report
          path: |
            e2e/report
            e2e/test-results
          retention-days: 7

  deploy:
    name: Deploy tagged release
    runs-on: ubuntu-latest
    needs: [backend, frontend, e2e]
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
      - name: Deploy over SSH (skipped until DEPLOY_HOST is set)
        env:
          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
          DEPLOY_SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
          DEPLOY_PATH: ${{ secrets.DEPLOY_PATH }}
          TAG: ${{ github.ref_name }}
        run: |
          if [ -z "$DEPLOY_HOST" ]; then
            echo "DEPLOY_HOST isn't set — skipping the deploy."
            exit 0
          fi
          mkdir -p ~/.ssh
          echo "$DEPLOY_SSH_KEY" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=accept-new "$DEPLOY_USER@$DEPLOY_HOST" \
            "cd '${DEPLOY_PATH:-~/hope-events}' && bash scripts/deploy.sh '$TAG'"