ci.yml

name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install RGBDS v1.0.3
        run: |
          mkdir -p rgbds-bin
          curl -sL https://github.com/gbdev/rgbds/releases/download/v1.0.3/rgbds-linux-x86_64.tar.xz | tar -xJ -C rgbds-bin
          echo "RGBDS_DIR=$PWD/rgbds-bin/" >> "$GITHUB_ENV"

      - name: Install Python deps
        run: python3 -m pip install numpy pyboy

      - name: Build ROM
        run: make RGBDS="$RGBDS_DIR"

      - name: Run test suite
        run: make check

      - name: Combat balance harness
        run: python tests/tune_balance.py

      - name: Upload ROM artifact
        uses: actions/upload-artifact@v4
        with:
          name: pirates_folly.gb
          path: pirates_folly.gb
          retention-days: 14

      - name: Update rolling release
        if: github.event_name == 'push'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: latest
          name: Latest build
          body: |
            Rolling release, rebuilt on every push to `main`.
            Download `pirates_folly.gb` and open it in any Game Boy emulator.
          files: pirates_folly.gb
          prerelease: true

  # Build against the latest RGBDS release to catch toolchain drift early.
  # Advisory only: never blocks the pinned build.
  build-latest-rgbds:
    runs-on: ubuntu-latest
    continue-on-error: true
    steps:
      - uses: actions/checkout@v4

      - name: Install latest RGBDS
        run: |
          mkdir -p rgbds-bin
          curl -sL https://github.com/gbdev/rgbds/releases/latest/download/rgbds-linux-x86_64.tar.xz | tar -xJ -C rgbds-bin

      - name: Install Python deps
        run: python3 -m pip install numpy

      - name: Build ROM with latest RGBDS
        run: make clean && make RGBDS="$PWD/rgbds-bin/"