name: Build Flatpak

on:
  push:
    branches: ["main"]
  pull_request:

jobs:
  flatpak:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout (with submodules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Ensure assets submodule is checked out
        run: |
          git submodule sync --recursive
          git -c submodule."assets".update=checkout submodule update --init --recursive assets
          test -f assets/desktop/icon.png

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"

      - name: Enable Corepack (pnpm)
        run: corepack enable

      - name: Install dependencies
        run: pnpm i --frozen-lockfile

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

      - name: Install Flatpak runtimes
        run: |
          flatpak install -y --user flathub org.freedesktop.Platform//25.08 org.freedesktop.Sdk//25.08
          flatpak install -y --user flathub org.electronjs.Electron2.BaseApp//stable

      - name: Build Flatpak
        run: pnpm make

      - name: Upload Flatpak artifact
        uses: actions/upload-artifact@v4
        with:
          name: stoat-flatpak
          path: out/make/flatpak/**/*.flatpak
          if-no-files-found: error