name: Build and Release

on:
  push:

concurrency:
  group: nightly-release-${{ github.repository }}
  cancel-in-progress: true

jobs:
  build-and-release:
    runs-on: ubuntu-latest

    permissions:
      contents: write

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

      - name: Set up build tools
        run: |
          sudo apt-get update
          sudo apt-get install -y zip rsync

      - name: Build zip package
        run: make zip

      - name: Nightly release (single tag, updated in place)
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail
          TAG=nightly
          ZIP="./output/OmniNX Downloader.zip"
          REPO="${{ github.repository }}"
          SHA="${{ github.sha }}"
          REF="${{ github.ref_name }}"

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git tag -f "$TAG"
          git push origin "refs/tags/$TAG" --force

          NOTES="Single nightly build artifact (updated every push).

          **Commit:** \`${SHA}\`
          **Branch:** \`${REF}\`
          **Built:** $(date -u '+%Y-%m-%d %H:%M:%S UTC')"

          if gh release view "$TAG" --repo "$REPO" >/dev/null 2>&1; then
            gh release upload "$TAG" "$ZIP" --clobber --repo "$REPO"
            gh release edit "$TAG" --title "Nightly" --notes "$NOTES" --prerelease --repo "$REPO"
          else
            gh release create "$TAG" "$ZIP" \
              --title "Nightly" \
              --notes "$NOTES" \
              --prerelease \
              --repo "$REPO"
          fi