name: Pull Request build

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

jobs:
  build-esp32s2:
    uses: ./.github/workflows/pr-build-env.yml
    secrets: inherit
    with:
      env: esp32s2
      is_esp32: true

  build-esp32s3:
    uses: ./.github/workflows/pr-build-env.yml
    secrets: inherit
    with:
      env: esp32s3
      is_esp32: true

  build-esp32c3:
    uses: ./.github/workflows/pr-build-env.yml
    secrets: inherit
    with:
      env: esp32c3
      is_esp32: true

  build-esp32:
    uses: ./.github/workflows/pr-build-env.yml
    secrets: inherit
    with:
      env: esp32
      is_esp32: true

  build-esp32solo:
    uses: ./.github/workflows/pr-build-env.yml
    secrets: inherit
    with:
      env: esp32solo
      is_esp32: true

  build-esp8266:
    uses: ./.github/workflows/pr-build-env.yml
    secrets: inherit
    with:
      env: esp8266
      is_esp32: false

  comment:
    needs:
      - build-esp32s2
      - build-esp32s3
      - build-esp32c3
      - build-esp32
      - build-esp32solo
      - build-esp8266
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - name: Post PR comment with download links
        uses: actions/github-script@v7
        with:
          script: |
            const { owner, repo } = context.repo;
            const prNumber = context.payload.pull_request.number;
            const runId = context.runId;
            const runUrl = `https://github.com/${owner}/${repo}/actions/runs/${runId}`;
            
            // Get the commit SHA (short version)
            const sha = context.payload.pull_request.head.sha;
            const shortSha = sha.substring(0, 7);

            // Fetch the list of artifacts for this run via the API
            const artifactsResp = await github.rest.actions.listWorkflowRunArtifacts({ owner, repo, run_id: runId });
            const artifacts = artifactsResp.data.artifacts;

            const envs = ['esp32s2', 'esp32s3', 'esp32c3', 'esp32', 'esp32solo', 'esp8266'];
            const lines = envs.map(env => {
              const artifact = artifacts.find(a => a.name === env);
              if (artifact) {
                // The artifact download page URL - directly navigable in the browser
                const artifactUrl = `${runUrl}#artifacts-${env}`;
                return `- **${env}**: [Download ${env}.zip](https://github.com/${owner}/${repo}/actions/runs/${runId}/artifacts/${artifact.id})`;
              }
              return `- **${env}**: ⚠️ artifact not found`;
            });

            const body = [
              '## 🔧 PR Build Artifacts',
              '',
              `**Version**: \`${shortSha}\``,
              '',
              'All environments built successfully. Download the zip files:',
              '',
              ...lines,
              '',
              `> Artifacts expire after 7 days. [View workflow run](${runUrl})`,
            ].join('\n');

            // Find and delete any previous bot comment to keep the PR clean
            const comments = await github.rest.issues.listComments({ owner, repo, issue_number: prNumber });
            for (const comment of comments.data) {
              if (comment.user.type === 'Bot' && comment.body.includes('PR Build Artifacts')) {
                await github.rest.issues.deleteComment({ owner, repo, comment_id: comment.id });
              }
            }

            await github.rest.issues.createComment({ owner, repo, issue_number: prNumber, body });