name: Deploy to GitHub Pages

permissions:
  contents: write

on:
  workflow_dispatch:
  push:
    branches:
      - main

jobs:
  deploy:
    name: Deploy to GitHub Pages
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Bun
        uses: oven-sh/setup-bun@v1
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Build project
        run: bun --bun run build

      - name: Ensure deploy branch exists
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          if ! git ls-remote --exit-code --heads origin gh-pages; then
            git checkout --orphan gh-pages
            git rm -rf .
            git commit --allow-empty -m "Initialize gh-pages branch"
            git push origin gh-pages
            git checkout main
          fi

      - name: Deploy to extra branch
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./dist
          publish_branch: gh-pages