name: Build Standalone on PR Merge

on:
  workflow_dispatch:
  push:
    branches:
      - main
      - 'release-harvester-v*'
      - '*-dev'
  pull_request:
    branches:
      - main
      - 'release-harvester-v*'
      - '*-dev'
    types:
      - merged

jobs:
  build-validation:
    name: Build Test
    uses: ./.github/workflows/run-lint.yaml
  build:
    name: Build and Upload Package
    uses: ./.github/workflows/build-and-publish-standalone.yaml
    needs:
      - build-validation
    permissions:
      contents: read
      packages: write
      id-token: write
    with:
      CI_BRANCH: ${{github.ref_name}}
  comment-on-pr:
    name: Comment build result on PR
    # Only for manual runs so the existing push / pull_request flows are untouched.
    if: github.event_name == 'workflow_dispatch'
    needs:
      - build
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - name: Add build artifact comment to the PR opened from this branch
        uses: actions/github-script@v7
        with:
          script: |
            const branch = context.ref.replace('refs/heads/', '');
            const { data: prs } = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              head: `${context.repo.owner}:${branch}`,
              base: 'main',
            });
            if (prs.length === 0) {
              core.info(`No open PR found for branch ${branch}, skipping comment.`);
              return;
            }
            // Match scripts/version: sanitize the branch and map main -> latest.
            const dir = branch === 'main'
              ? 'latest'
              : branch.replace(/[^a-zA-Z0-9.-]+/g, '-');
            const url = `https://releases.rancher.com/harvester-ui/dashboard/${dir}/index.html`;
            const body = [
              '🚀 **UI Artifact Build Status:** `SUCCESS` ✅',
              `> ui-index: ${url}`,
              `> ui-source: external`
            ].join('\n');
            for (const pr of prs) {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: pr.number,
                body,
              });
            }