name: Generate README

on:
  push:
    branches:
      - main
      - '**'
    paths:
      - '**/*.sh'
      - '**/*.bat'
      - 'scripts/generate_readme.sh'
      - '.gitea/workflows/generate-readme.yml'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          persist-credentials: false

      - name: Setup SSH with deploy key
        env:
          DEPLOY_KEY: ${{ secrets.DEPLOY_KEY }}
        run: |
          mkdir -p ~/.ssh
          chmod 700 ~/.ssh
          printf '%s\n' "$DEPLOY_KEY" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          eval "$(ssh-agent -s)"
          ssh-add ~/.ssh/id_rsa
          ssh-keyscan -p 22113 -H git.hudsonriggs.systems >> ~/.ssh/known_hosts
          {
            echo "Host git.hudsonriggs.systems";
            echo "  HostName git.hudsonriggs.systems";
            echo "  Port 22113";
            echo "  User git";
          } >> ~/.ssh/config
          chmod 600 ~/.ssh/config
          git remote set-url origin ssh://git@git.hudsonriggs.systems:22113/HRiggs/tools.git

      - name: Generate README
        run: |
          bash scripts/generate_readme.sh

      - name: Commit changes
        run: |
          if git diff --quiet README.md; then
            echo "No README changes"
            exit 0
          fi
          git config user.name "gitea-bot"
          git config user.email "gitea-bot@users.noreply.local"
          git add README.md
          git commit -m "docs: auto-generate README for scripts [skip ci]"

      - name: Push changes
        env:
          BRANCH_NAME: ${{ github.ref_name }}
        run: |
          : "Pushing to branch ${BRANCH_NAME} via SSH"
          git push origin HEAD:"${BRANCH_NAME}"