name: CI

on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ghcr.io/sulfurnitride/fluorine-builder

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pull or build Docker image
        run: |
          if docker pull ${{ env.IMAGE_NAME }}:latest; then
            docker tag ${{ env.IMAGE_NAME }}:latest fluorine-builder:latest
          else
            echo "Pull failed, building from scratch..."
            docker build -t fluorine-builder:latest docker/
          fi

      - name: Restore ccache
        uses: actions/cache@v4
        with:
          path: ~/.cache/fluorine-ccache
          key: ccache-${{ runner.os }}-${{ github.sha }}
          restore-keys: |
            ccache-${{ runner.os }}-

      - name: Build inside container
        run: |
          mkdir -p ~/.cache/fluorine-ccache
          docker run --rm \
            -v "${{ github.workspace }}:/src:rw" \
            -v "$HOME/.cache/fluorine-ccache:/ccache:rw" \
            -e CCACHE_DIR=/ccache \
            -e BUILD_MODE=tarball \
            -w /src \
            fluorine-builder:latest \
            bash /src/docker/build-inner.sh

      - name: Upload build
        uses: actions/upload-artifact@v4
        with:
          name: Fluorine-Manager
          path: build/fluorine-manager/
          compression-level: 6
          if-no-files-found: warn