name: Build

on:
  pull_request:
    types: [opened, synchronize, reopened]

permissions:
  contents: read
  pull-requests: write

jobs:
  build-backend:
    name: Build Backend
    runs-on: blacksmith-4vcpu-ubuntu-2404

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

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun upgrade && bun install --linker isolated

      - name: Type check server
        run: bun run forge types server

      - name: Build server
        run: bun run forge build server

  build-frontend:
    name: Build Frontend
    runs-on: blacksmith-4vcpu-ubuntu-2404

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

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun upgrade && bun install --linker isolated

      - name: Build client
        run: bun run forge build client

  build-summary:
    name: Build Summary
    runs-on: blacksmith-4vcpu-ubuntu-2404
    needs: [build-backend, build-frontend]
    if: always() && github.event_name == 'pull_request'

    steps:
      - name: Comment PR
        uses: actions/github-script@v7
        with:
          script: |
            const { owner, repo, number } = context.issue;
            const runId = context.runId;
            const backendResult = '${{ needs.build-backend.result }}';
            const frontendResult = '${{ needs.build-frontend.result }}';

            let summary = '## 🔨 Build Results\n\n';
            let allSuccess = true;

            // Backend status
            if (backendResult === 'success') {
              summary += '✅ **Backend Build**: Passed\n';
            } else {
              summary += `❌ **Backend Build**: Failed (${backendResult})\n`;
              allSuccess = false;
            }

            // Frontend status  
            if (frontendResult === 'success') {
              summary += '✅ **Frontend Build**: Passed\n';
            } else {
              summary += `❌ **Frontend Build**: Failed (${frontendResult})\n`;
              allSuccess = false;
            }

            summary += '\n';

            if (allSuccess) {
              summary += '🎉 All builds completed successfully!';
            } else {
              summary += '⚠️ One or more builds failed. Please check the logs for details.';
            }

            summary += `\n\n🔗 [View full workflow run](https://github.com/${owner}/${repo}/actions/runs/${runId})`;

            // Find existing comment to update
            const comments = await github.rest.issues.listComments({
              owner,
              repo,
              issue_number: number,
            });

            const botComment = comments.data.find(
              comment => comment.user.type === 'Bot' && 
              comment.body.includes('## 🔨 Build Results')
            );

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