name: CI

# Runners: uvacompute (https://uvacompute.com)
# To enable, set the UVA_RUNNER repo variable to the correct runner label.
# runs-on: ${{ vars.UVA_RUNNER || 'ubuntu-latest' }}

on:
  push:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: write
  packages: write

jobs:
  cargo:
    name: Cargo Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy

      - uses: Swatinem/rust-cache@v2

      - name: Install system dependencies
        run: sudo apt-get update && sudo apt-get install -y libx11-dev libxtst-dev

      - name: Clippy
        run: cargo clippy -- -D warnings

      - name: Build
        run: cargo build --release --locked

      - uses: actions/upload-artifact@v4
        with:
          name: deskctl-linux-x86_64
          path: target/release/deskctl
          retention-days: 7

  docker:
    name: Docker Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Get version
        id: version
        run: echo "version=$(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)"/\1/')" >> "$GITHUB_OUTPUT"

      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/build-push-action@v6
        with:
          context: .
          file: docker/Dockerfile
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:latest
            ghcr.io/${{ github.repository }}:v${{ steps.version.outputs.version }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  release:
    name: Release
    needs: [cargo, docker]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Get version
        id: version
        run: echo "version=$(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)"/\1/')" >> "$GITHUB_OUTPUT"

      - uses: actions/download-artifact@v4
        with:
          name: deskctl-linux-x86_64
          path: artifacts/

      - name: Prepare release assets
        run: |
          chmod +x artifacts/deskctl
          mv artifacts/deskctl artifacts/deskctl-linux-x86_64

      - name: Create or update release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG="v${{ steps.version.outputs.version }}"
          IMAGE="ghcr.io/${{ github.repository }}:${TAG}"

          BODY="## Artifacts
          - **Binary:** \`deskctl-linux-x86_64\` (attached)
          - **Docker:** \`docker pull ${IMAGE}\`"

          if gh release view "$TAG" &>/dev/null; then
            gh release upload "$TAG" artifacts/deskctl-linux-x86_64 --clobber
          else
            gh release create "$TAG" \
              --title "$TAG" \
              --notes "${BODY}" \
              artifacts/deskctl-linux-x86_64
          fi