name: Build Release Flatpaks

on:
  push:
    branches:
    - master
    - flatpak # TODO: Remove this line once the workflow has been validated to work.

env:
  APP_ID: pizza.isle.Isle

jobs:
  build:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}

    env:
      BUILD_DIR: "./flatpak-build"
      PLATFORM: "org.kde"
      PLATFORM_VERSION: 6.8
      REPO_DIR: "./isle-repo/"

    strategy:
      fail-fast: false
      matrix:
        include:
        - name: 'x86_64'
          os: 'ubuntu-latest'

          # The Ubuntu ARM runner is in preview, so we may have to figure out Flatpak cross-compilation
        - name: "aarch64"
          os: 'ubuntu-22.04-arm'

    steps:
      - name: Get Date
        id: get-date
        run: |
          echo "date=$(/bin/date -u "+%Y%m%d")" >> $GITHUB_OUTPUT
        shell: bash

      - name: Cache APT repo data
        id: cache-apt
        uses: actions/cache@v4
        with:
          path: |
            /var/cache/apt/
            /var/lib/apt/lists/
          key: ${{ runner.os }}-${{ matrix.name }}-${{ steps.get-date.outputs.date }}

      - name: Update APT cache
        if: steps.cache-apt.outputs.cache-hit != 'true'
        run: sudo apt update

      - name: Install build dependencies
        run: |
          sudo apt install -y flatpak flatpak-builder
          flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
          flatpak install \
            ${{ env.PLATFORM }}.Platform//${{ env.PLATFORM_VERSION }} \
            ${{ env.PLATFORM }}.Sdk//${{ env.PLATFORM_VERSION }}

      - name: Cache .flatpak-builder
        id: cache-fp-builder
        uses: actions/cache@v4
        with:
          path: ".flatpak-builder/"
          key: ${{ runner.os }}-${{ matrix.name }}-fp-builder
      
      - name: Build Flatpak
        run: |
          mkdir ${{ env.REPO_DIR }}
          flatpak-builder --repo=${{ env.REPO_DIR }} ${{ env.BUILD_DIR }} flatpak/${{ env.APP_ID }}.json

      - name: Bundle Flatpak
        run: flatpak build-bundle ${{ env.REPO_DIR }} ${{ env.APP_ID }}.${{ matrix.name }}.flatpak ${{ env.APP_ID }}

      - name: Upload artifact
        uses: actions/upload-artifact@main
        with:
          name: Release-${{ matrix.name }}
          path: ${{ env.APP_ID }}.${{ matrix.name }}.flatpak
  
  release:
    name: Release
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Download All Artifacts
        uses: actions/download-artifact@main
        with:
          pattern: Release-*
          path: Release
          merge-multiple: true

      - name: Checkout uploadtool
        uses: actions/checkout@v4
        with:
          repository: 'probonopd/uploadtool'
          path: 'uploadtool'

      - name: Upload Continuous Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          ./uploadtool/upload.sh Release/*