name: Notify via Issue on Wiki Edit

on:
  gollum:

jobs:
  notify:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout wiki repository
        uses: actions/checkout@v4
        with:
          repository: ${{ github.repository }}.wiki
          path: wiki
          fetch-depth: 0

      - name: Generate wiki change message
        run: |
            actor="${{ github.actor }}"
            sender_url=$(jq -r '.sender.html_url' "$GITHUB_EVENT_PATH")
            page_name=$(jq -r '.pages[0].page_name' "$GITHUB_EVENT_PATH")
            page_sha=$(jq -r '.pages[0].sha' "$GITHUB_EVENT_PATH")
            page_url=$(jq -r '.pages[0].html_url' "$GITHUB_EVENT_PATH")
            page_action=$(jq -r '.pages[0].action' "$GITHUB_EVENT_PATH")
            now="$(date '+%Y-%m-%d %H:%M:%S')"

            cd wiki
            prev_sha=$(git rev-list $page_sha^ -- "$page_name.md" | head -n 1)
            if [ -n "$prev_sha" ]; then
                git diff $prev_sha $page_sha -- "$page_name.md" > ../wiki.diff || echo "(No diff found)" > ../wiki.diff
            else
                echo "(no diff)" > ../wiki.diff
            fi
            cd ..
            {
            echo "Wiki edited"
            echo -n "User: "
            echo "[$actor]($sender_url)"
            echo "Time: $now"
            echo "Page: [$page_name]($page_url) (Action: $page_action)"
            echo ""
            echo "----"
            echo "###  diff："
            echo '```diff'
            cat wiki.diff
            echo '```'
            } > wiki-change-msg.txt

      - name: Create issue to notify Neilpang
        uses: peter-evans/create-issue-from-file@v5
        with:
          title: "Wiki edited"
          content-filepath: ./wiki-change-msg.txt
          assignees: Neilpang
        env:
          TZ: Asia/Shanghai