name: "Build Linux Bundle"

on:
  workflow_dispatch:
    inputs:
      push_to_cache:
        description: "Push to Nix Cache"
        required: false
        type: boolean
        default: false
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: 📥 Clone repository
        uses: actions/checkout@v4

      - name: ❄ Install Nix
        uses: DeterminateSystems/nix-installer-action@main

      - name: 🗑 Free disk space
        run: sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache

      - name: 📦 Build Nix package
        run: nix build --no-link --print-out-paths

      - name: 📤 Push to Nix cache
        if: github.ref == 'refs/heads/master' || inputs.push_to_cache == true
        env:
          NIX_CACHE_AUTH_TOKEN: ${{ secrets.NIX_CACHE_AUTH_TOKEN }}
        run: |
          nix run nixpkgs#cachix -- authtoken $NIX_CACHE_AUTH_TOKEN
          nix build --no-link --print-out-paths | nix run nixpkgs#cachix -- push graphite

      - name: 🏗 Build Linux bundle
        run: nix build .#graphite-bundle.tar.xz && cp ./result ./graphite-linux-bundle.tar.xz

      - name: 📦 Upload Linux bundle
        uses: actions/upload-artifact@v4
        with:
          name: graphite-linux-bundle
          path: graphite-linux-bundle.tar.xz
          compression-level: 0

      - name: 🔧 Install Flatpak tooling
        run: |
          sudo apt-get update
          sudo apt-get install -y flatpak flatpak-builder
          flatpak --user remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

      - name: 🏗 Build Flatpak
        run: |
          nix build .#graphite-flatpak-manifest

          rm -rf .flatpak
          mkdir -p .flatpak

          cp ./result .flatpak/manifest.json

          cd .flatpak
          mkdir -p repo

          flatpak-builder --user --force-clean --install-deps-from=flathub --repo=repo build ./manifest.json

          flatpak build-bundle repo Graphite.flatpak art.graphite.Graphite --runtime-repo=https://flathub.org/repo/flathub.flatpakrepo

      - name: 📦 Upload Flatpak package
        uses: actions/upload-artifact@v4
        with:
          name: graphite-flatpak
          path: .flatpak/Graphite.flatpak
          compression-level: 0