name: Publish Skill

on:
  push:
    branches: [main]
  workflow_dispatch:

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: '22'

      - run: npm ci

      - run: npm run build:skill

      - name: Push to obelisk-skill
        env:
          DEPLOY_KEY: ${{ secrets.SKILL_REPO_DEPLOY_KEY }}
        run: |
          set -euo pipefail
          mkdir -p ~/.ssh
          echo "$DEPLOY_KEY" > ~/.ssh/skill_deploy
          chmod 600 ~/.ssh/skill_deploy
          export GIT_SSH_COMMAND="ssh -i ~/.ssh/skill_deploy -o StrictHostKeyChecking=no"

          SKILL_DIR=$(mktemp -d)
          git clone --depth 1 git@github.com:tommy0103/obelisk-skill.git "$SKILL_DIR" || {
            # First push: init an empty repo
            git init "$SKILL_DIR"
            git -C "$SKILL_DIR" remote add origin git@github.com:tommy0103/obelisk-skill.git
          }

          # Replace all content with the fresh build
          find "$SKILL_DIR" -mindepth 1 -not -path "$SKILL_DIR/.git*" -delete
          cp -R dist/obelisk-skill/* "$SKILL_DIR/"
          cp packaging/skill-README.md "$SKILL_DIR/README.md"
          cp packaging/skill-LICENSE "$SKILL_DIR/LICENSE"

          cd "$SKILL_DIR"
          git add -A
          if git diff --cached --quiet; then
            echo "No changes to publish"
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git commit -m "publish: $(date -u +%Y-%m-%dT%H:%M:%SZ) from tommy0103/obelisk@${GITHUB_SHA::7}"
          git push --force origin HEAD:main