name: Shadow Repo / Update

on:
  create:
  delete:
  workflow_run:
    workflows: Shadow Repo
    types: [completed]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: true

jobs:
  create:
    name: Create Branch
    runs-on: ubuntu-latest
    if: github.event.ref_type == 'branch' && github.event_name == 'create'
    steps:
      - name: Clone shadow repo
        uses: actions/checkout@v3
        with:
          repository: ${{ vars.SHADOW_OWNER }}/${{ vars.SHADOW_REPO }}
          token: ${{ secrets.SASS_SITE_TOKEN }}
          ref: main
      - name: Create branch on shadow repo
        run: git push origin main:${{ github.event.ref }}

  delete:
    name: Delete Branch
    runs-on: ubuntu-latest
    if: github.event.ref_type == 'branch' && github.event_name == 'delete'
    steps:
      - name: Clone shadow repo
        uses: actions/checkout@v3
        with:
          repository: ${{ vars.SHADOW_OWNER }}/${{ vars.SHADOW_REPO }}
          token: ${{ secrets.SASS_SITE_TOKEN }}
          ref: main
      - name: Delete branch on shadow repo
        run: git push origin --delete ${{ github.event.ref }}

  push:
    name: Push
    runs-on: ubuntu-latest
    if: github.event_name == 'workflow_run'
    steps:
      - name: Download built site
        uses: dawidd6/action-download-artifact@v2.27.0
        with:
          name: site
          run_id: ${{ github.event.workflow_run.id }}
          if_no_artifact_found: ignore
      - name: Clone shadow repo
        uses: actions/checkout@v3
        if: steps.download_comment.outputs.found_artifact == 'true'
        with:
          repository: ${{ vars.SHADOW_OWNER }}/${{ vars.SHADOW_REPO }}
          token: ${{ secrets.SASS_SITE_TOKEN }}
          ref: ${{ github.ref_name }}
          path: shadow-repo
      - name: Update shadow repo files
        if: steps.download_comment.outputs.found_artifact == 'true'
        run: |
          rm -rf shadow_repo/*
          tar xf site.tar
          cp -rT _site shadow_repo
      - uses: EndBug/add-and-commit@v9
        if: steps.download_comment.outputs.found_artifact == 'true'
        with:
          cwd: shadow-repo
          author_name: Sass Bot
          author_email: sass.bot.beep.boop@gmail.com
          message: Update from https://github.com/${{ github.repository }}/commit/${{ github.sha }}
          commit: --allow-empty

  diff-link:
    name: Comment
    runs-on: ubuntu-latest
    if: github.event_name == 'workflow_run'
    steps:
      - name: Download comment text
        id: download_comment
        uses: dawidd6/action-download-artifact@v2.27.0
        with:
          name: comment
          run_id: ${{ github.event.workflow_run.id }}
          if_no_artifact_found: ignore
      - uses: peter-evans/create-or-update-comment@v3
        if: steps.download_comment.outputs.found_artifact == 'true'
        with:
          issue-number: ${{ github.event.number }}
          body_path: comment.txt