# Each PR will build preview site that help to check code is work as expect.

name: Preview Deploy

on:
  workflow_run:
    workflows: ["Preview Build"]
    types:
      - completed

permissions:
  contents: read

jobs:
  upstream-workflow-summary:
    name: upstream workflow summary
    runs-on: ubuntu-latest
    if: github.event.workflow_run.event == 'pull_request'
    outputs:
      jobs: ${{ steps.prep-summary.outputs.result }}
      build-success: ${{ steps.prep-summary.outputs.build-success }}
      build-failure: ${{ steps.prep-summary.outputs.build-failure }}
    steps:
      - name: summary jobs status
        uses: actions/github-script@v7
        id: prep-summary
        with:
          script: |
            const response = await github.rest.actions.listJobsForWorkflowRun({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: ${{ github.event.workflow_run.id }},
            });

            // { [name]: [conclusion] }, e.g. { 'build preview': 'success' }
            const jobs = (response.data?.jobs ?? []).reduce((acc, job) => {
              if(job?.status === 'completed' && 'name' in job && 'conclusion' in job) {
                acc[job.name] = job.conclusion;
              }
              return acc;
            }, {});

            const total = Object.keys(jobs).length;
            if(total === 0) core.setFailed('no jobs found');

            // the name here must be the same as `jobs.xxx.{name}` in preview-build.yml
            // set output
            core.setOutput('build-success', jobs['build preview'] === 'success');
            core.setOutput('build-failure', jobs['build preview'] === 'failure');
            return jobs;

  deploy-preview:
    name: deploy preview
    permissions:
      actions: read # for dawidd6/action-download-artifact to query and download artifacts
      issues: write # for actions-cool/maintain-one-comment to modify or create issue comments
      pull-requests: write # for actions-cool/maintain-one-comment to modify or create PR comments
    runs-on: ubuntu-latest
    needs: upstream-workflow-summary
    if: github.event.workflow_run.event == 'pull_request'
    steps:
      # We need get PR id first
      - name: download pr artifact
        uses: dawidd6/action-download-artifact@v6
        with:
          workflow: ${{ github.event.workflow_run.workflow_id }}
          run_id: ${{ github.event.workflow_run.id }}
          name: pr

      # Save PR id to output
      - name: save PR id
        id: pr
        run: |
          pr_id=$(<pr-id.txt)
          if ! [[ "$pr_id" =~ ^[0-9]+$ ]]; then
            echo "Error: pr-id.txt does not contain a valid numeric PR id. Please check."
            exit 1
          fi
          echo "id=$pr_id" >> $GITHUB_OUTPUT

      # Download site artifact
      - name: download site artifact
        if: ${{ fromJSON(needs.upstream-workflow-summary.outputs.build-success) }}
        uses: dawidd6/action-download-artifact@v6
        with:
          workflow: ${{ github.event.workflow_run.workflow_id }}
          run_id: ${{ github.event.workflow_run.id }}
          name: site

      - name: upload surge service
        id: deploy
        continue-on-error: true
        env:
          PR_ID: ${{ steps.pr.outputs.id }}
        run: |
          export DEPLOY_DOMAIN=https://preview-${PR_ID}-ant-design.surge.sh
          npx surge --project ./ --domain $DEPLOY_DOMAIN --token ${{ secrets.SURGE_TOKEN }}

      - name: success comment
        uses: actions-cool/maintain-one-comment@v3
        if: ${{ steps.deploy.outcome == 'success' }}
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          body: |
            [<img width="300" alt="Preview is ready" src="https://user-images.githubusercontent.com/5378891/72400743-23dbb200-3785-11ea-9d13-1a2d92743846.png">](https://preview-${{ steps.pr.outputs.id }}-ant-design.surge.sh)
            <!-- AUTO_PREVIEW_HOOK -->
          body-include: '<!-- AUTO_PREVIEW_HOOK -->'
          number: ${{ steps.pr.outputs.id }}

      - name: failed comment
        if: ${{ fromJSON(needs.upstream-workflow-summary.outputs.build-failure) || steps.deploy.outcome == 'failure' || failure() }}
        uses: actions-cool/maintain-one-comment@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          body: |
            [<img width="300" alt="Preview failed" src="https://user-images.githubusercontent.com/5378891/75333447-1e63a280-58c1-11ea-975d-235367fd1522.png">](https://preview-${{ steps.pr.outputs.id }}-ant-design.surge.sh)
            <!-- AUTO_PREVIEW_HOOK -->
          body-include: '<!-- AUTO_PREVIEW_HOOK -->'
          number: ${{ steps.pr.outputs.id }}