---
name: 'CI: Vercel Website Preview'

on:
  pull_request:
    types: [opened, synchronize, reopened]
    paths:
      - 'apps/website/**'
      - 'packages/design-system/**'
      - 'packages/tailwind-utils/**'
  push:
    branches: [main]
    paths:
      - 'apps/website/**'
      - 'packages/design-system/**'
      - 'packages/tailwind-utils/**'

env:
  VERCEL_ORG_ID: ${{ secrets.VERCEL_WEBSITE_ORG_ID }}
  VERCEL_PROJECT_ID: ${{ secrets.VERCEL_WEBSITE_PROJECT_ID }}

jobs:
  deploy-preview:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

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

      - name: Pull Vercel environment information
        run: vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_WEBSITE_TOKEN }}

      - name: Build project artifacts
        run: vercel build --token=${{ secrets.VERCEL_WEBSITE_TOKEN }}

      - name: Deploy project artifacts to Vercel
        id: deploy
        run: |
          URL=$(vercel deploy --prebuilt --token=${{ secrets.VERCEL_WEBSITE_TOKEN }})
          echo "url=$URL" >> "$GITHUB_OUTPUT"

      - name: Comment preview URL on PR
        uses: actions/github-script@v8
        with:
          script: |
            const body = `**Website Preview:** ${process.env.PREVIEW_URL}`
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            })
            const existing = comments.find(
              (c) => c.user?.type === 'Bot' && c.body?.includes('**Website Preview:**')
            )
            const params = {
              owner: context.repo.owner,
              repo: context.repo.repo,
              body,
            }
            if (existing) {
              await github.rest.issues.updateComment({ ...params, comment_id: existing.id })
            } else {
              await github.rest.issues.createComment({ ...params, issue_number: context.issue.number })
            }
        env:
          PREVIEW_URL: ${{ steps.deploy.outputs.url }}

  deploy-production:
    if: github.event_name == 'push'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

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

      - name: Pull Vercel environment information
        run: vercel pull --yes --environment=production --token=${{ secrets.VERCEL_WEBSITE_TOKEN }}

      - name: Build project artifacts
        run: vercel build --prod --token=${{ secrets.VERCEL_WEBSITE_TOKEN }}

      - name: Deploy project artifacts to Vercel
        run: vercel deploy --prebuilt --prod --token=${{ secrets.VERCEL_WEBSITE_TOKEN }}