deploy-preview.yml

name: Preview Deployment

on:
  pull_request:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest

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

      - name: Set up Bun
        uses: oven-sh/setup-bun@v2

      - name: Install Deco CLI
        run: bun install -g deco-cli

      - name: Install dependencies
        run: bun install

      - name: Build
        run: bun run build

      - name: Deploy
        id: deploy
        run: |
          cd server
          deco deploy -y --no-promote ./dist -t ${{ secrets.DECO_DEPLOY_TOKEN }}
        env:
          DECO_DEPLOY_TOKEN: ${{ secrets.DECO_DEPLOY_TOKEN }}

      - name: Comment PR
        uses: actions/github-script@v7
        if: steps.deploy.outputs.preview_url
        with:
          script: |
            const { data: pullRequest } = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
            });

            const previewUrl = "${{ steps.deploy.outputs.preview_url }}";

            const comment = `## 🚀 Preview Deployment Ready!

            Your changes have been deployed to a preview environment:

            **🔗 [View Preview](${previewUrl})**

            This preview will be automatically updated with new commits to this PR.

            ---
            <sub>Deployed from commit: \`${context.sha.substring(0, 7)}\`</sub>`;

            // Check if we already have a preview comment
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });

            const existingComment = comments.find(comment =>
              comment.body.includes('🚀 Preview Deployment Ready!')
            );

            if (existingComment) {
              // Update existing comment
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: existingComment.id,
                body: comment
              });
            } else {
              // Create new comment
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: comment
              });
            }