name: Backend CI

on:
  pull_request:
    paths:
      - 'tachyon/files/**'
      - 'tachyon/Makefile'
      - 'build.sh'
      - 'tests/**'
      - '.github/workflows/build.yml'
      - '.github/workflows/backend-ci.yml'
  push:
    branches:
      - main
    paths:
      - 'tachyon/files/**'
      - 'tachyon/Makefile'
      - 'build.sh'
      - 'tests/**'
      - '.github/workflows/build.yml'
      - '.github/workflows/backend-ci.yml'

jobs:
  backend-checks:
    name: Backend Runtime Checks
    runs-on: ubuntu-24.04

    steps:
      - name: Checkout code
        uses: actions/checkout@v5.0.0
        with:
          fetch-depth: 0

      - name: Build ucode
        shell: bash
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential cmake git libjson-c-dev pkg-config
          git clone --depth 1 --branch v0.0.20250529 https://github.com/jow-/ucode.git /tmp/ucode
          cmake -S /tmp/ucode -B /tmp/ucode/build \
            -DUBUS_SUPPORT=OFF \
            -DUCI_SUPPORT=OFF \
            -DULOOP_SUPPORT=OFF
          cmake --build /tmp/ucode/build --parallel
          sudo cmake --install /tmp/ucode/build
          sudo ldconfig
          command -v ucode
          ucode -e 'print("ucode ready\n")'

      - name: Check ucode syntax
        shell: bash
        run: |
          find tachyon/files/usr/lib -name '*.uc' -print0 | xargs -0 -n1 ucode -c -o /dev/null
          find tachyon/files/usr/lib -name '*.uc' -print0 | xargs -0 -n1 ucode -S -c -o /dev/null

      - name: Run backend tests
        shell: bash
        run: |
          find tests -maxdepth 1 -name '*.sh' \
            ! -name 'docker_e2e_test.sh' \
            ! -name 'container_entrypoint.sh' \
            ! -name 'run_all.sh' \
            -print0 | xargs -0 -n1 -P4 bash