name: "Deploy to Cloudflare Pages"
description: "Deploys to Cloudflare Pages on either a temporary branch with preview comment, or on the production version if on the main branch."
inputs:
  project_name:
    description: "CloudFlare Pages project name"
  comment_body:
    description: "The message to display when deployment is ready"
    default: "Deployment is ready."
    required: false
  production_url:
    description: "The URL to mention as the production URL."
    required: true
  deploy_dir:
    description: "The directory from which to deploy."
    required: true
  cloudflare_api_token:
    description: "The Cloudflare API token to use for deployment."
    required: true
  cloudflare_account_id:
    description: "The Cloudflare account ID to use for deployment."
    required: true
  github_token:
    description: "The GitHub token to use for posting PR comments."
    required: true
runs:
  using: composite
  steps:
    # Install wrangler globally to avoid workspace issues
    - name: Install Wrangler
      shell: bash
      run: npm install -g wrangler

    # Deploy using Wrangler (use pre-installed wrangler)
    - name: Deploy to Cloudflare Pages
      id: deploy
      if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      uses: cloudflare/wrangler-action@v3
      with:
        apiToken: ${{ inputs.cloudflare_api_token }}
        accountId: ${{ inputs.cloudflare_account_id }}
        command: pages deploy ${{ inputs.deploy_dir }} --project-name=${{ inputs.project_name}} --branch=${{ github.ref_name }}
        wranglerVersion: ''  # Use pre-installed version

    # Deploy preview for PRs
    - name: Deploy Preview to Cloudflare Pages
      id: preview-deployment
      if: github.event_name == 'pull_request'
      uses: cloudflare/wrangler-action@v3
      with:
        apiToken: ${{ inputs.cloudflare_api_token }}
        accountId: ${{ inputs.cloudflare_account_id }}
        command: pages deploy ${{ inputs.deploy_dir }} --project-name=${{ inputs.project_name}} --branch=pr-${{ github.event.pull_request.number }}
        wranglerVersion: ''  # Use pre-installed version

    # Post deployment URL as PR comment
    - name: Comment PR with Preview URL
      if: github.event_name == 'pull_request'
      uses: actions/github-script@v8
      env:
        COMMENT_BODY: ${{ inputs.comment_body }}
        PRODUCTION_URL: ${{ inputs.production_url }}
        PROJECT_NAME: ${{ inputs.project_name }}
      with:
        github-token: ${{ inputs.github_token }}
        script: |
          const prNumber = context.issue.number;
          // Construct preview URL based on Cloudflare Pages pattern
          const projectName = process.env.PROJECT_NAME;
          const previewUrl = `https://pr-${prNumber}.${projectName}.pages.dev`;

          // Check if we already commented
          const comments = await github.rest.issues.listComments({
            owner: context.repo.owner,
            repo: context.repo.repo,
            issue_number: prNumber
          });

          const customMessage = process.env.COMMENT_BODY;
          const botComment = comments.data.find(comment =>
            comment.user.type === 'Bot' &&
            comment.body.includes(customMessage)
          );

          const mainUrl = process.env.PRODUCTION_URL;
          const commentBody = `${customMessage}!\n\n🔗 Preview URL: ${previewUrl}\n📖 Production URL: ${mainUrl}\n\n✅ All checks passed\n\n_This preview will be updated automatically with new commits._`;

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