name: Nightly Build

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build-and-release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends \
            make \
            gcc-x86-64-linux-gnu \
            binutils-x86-64-linux-gnu \
            nasm \
            xorriso
          sudo ln -sf /usr/bin/x86_64-linux-gnu-gcc /usr/local/bin/x86_64-elf-gcc
          sudo ln -sf /usr/bin/x86_64-linux-gnu-ld /usr/local/bin/x86_64-elf-ld

      - name: Build ISO
        run: make -j4

      - name: Update nightly tag
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git tag -fa nightly -m "Nightly build ${GITHUB_SHA}" "${GITHUB_SHA}"
          git push origin refs/tags/nightly --force

      - name: Prepare release metadata
        id: metadata
        run: |
          echo "short_sha=${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"

      - name: Publish nightly release asset
        uses: softprops/action-gh-release@v2
        with:
          tag_name: nightly
          name: Nightly Build (${{ steps.metadata.outputs.short_sha }})
          body: |
            This is an automated nightly build of BoredOS, this is not a final release and may be unstable.
            
            Built from commit:
            - Full hash: `${{ github.sha }}`
            - Short hash: `${{ steps.metadata.outputs.short_sha }}`
          prerelease: true
          make_latest: false
          files: |
            boredos.iso
          overwrite_files: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}