name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  ci:
    name: Lint, Typecheck, Test & Build
    runs-on: ubuntu-latest

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Generate Prisma client
        run: npx prisma generate --generator client

      - name: Lint
        run: npm run lint

      - name: Typecheck
        run: npx tsc --noEmit

      - name: Prisma validate
        run: npx prisma validate

      - name: Test
        run: npm test

      - name: Build
        run: npm run build
        env:
          DATABASE_URL: ${{ secrets.DATABASE_URL }}
          DIRECT_URL: ${{ secrets.DIRECT_URL }}
          SESSION_SECRET: ${{ secrets.SESSION_SECRET }}

  deploy-preview:
    name: Deploy Preview (PR)
    runs-on: ubuntu-latest
    needs: ci
    if: github.event_name == 'pull_request'

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Install Vercel CLI
        run: npm install -g vercel@latest

      - name: Deploy Preview to Vercel
        run: vercel deploy --token=${{ secrets.VERCEL_TOKEN }}
        env:
          VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
          VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}

  deploy-production:
    name: Deploy Production (main)
    runs-on: ubuntu-latest
    needs: ci
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Install Vercel CLI
        run: npm install -g vercel@latest

      - name: Run database migrations
        run: npx prisma migrate deploy
        env:
          DATABASE_URL: ${{ secrets.DATABASE_URL }}
          DIRECT_URL: ${{ secrets.DIRECT_URL }}

      - name: Deploy Production to Vercel
        run: vercel deploy --prod --token=${{ secrets.VERCEL_TOKEN }}
        env:
          VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
          VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}