name: CI

on:
    push:
        branches: [main]
    pull_request:
        branches: [main]

env:
    CARGO_TERM_COLOR: always
    RUST_BACKTRACE: 1

jobs:
    test:
        name: Test
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v6

            - name: Install system dependencies
              run: |
                  sudo apt-get update
                  sudo apt-get install -y \
                    libwayland-dev \
                    libxkbcommon-dev \
                    libegl1-mesa-dev \
                    libgles2-mesa-dev \
                    libfontconfig1-dev \
                    sway

            - name: Install Rust toolchain
              uses: dtolnay/rust-toolchain@stable
              with:
                  components: clippy, rustfmt

            - name: Cache cargo registry
              uses: actions/cache@v4
              with:
                  path: ~/.cargo/registry
                  key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}

            - name: Cache cargo index
              uses: actions/cache@v4
              with:
                  path: ~/.cargo/git
                  key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}

            - name: Cache cargo build
              uses: actions/cache@v4
              with:
                  path: target
                  key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

            - name: Check formatting
              run: cargo fmt --all -- --check

            - name: Run clippy
              run: cargo clippy --workspace --all-targets -- -D warnings

            - name: Build workspace
              run: cargo build --workspace --verbose

            - name: Run tests
              run: cargo test --workspace --verbose

            - name: Build documentation
              run: cargo doc --workspace --no-deps --verbose

            - name: Build examples
              run: |
                  cargo build -p simple-bar
                  cargo build -p multi-surface
                  cargo build -p declarative-config
                  cargo build -p event-loop-examples
                  cargo build -p runtime-surface-config

            - name: Run examples in headless Wayland compositor
              run: |
                  export XDG_RUNTIME_DIR=/tmp
                  export WAYLAND_DISPLAY=wayland-ci-test
                  export WLR_BACKENDS=headless
                  export WLR_LIBINPUT_NO_DEVICES=1

                  sway --unsupported-gpu &
                  SWAY_PID=$!

                  until test -S "/tmp/$WAYLAND_DISPLAY"; do
                    echo "Waiting for sway..."
                    sleep 0.5
                  done
                  echo "Sway started successfully"

                  timeout 5 cargo run -p simple-bar || echo "simple-bar timed out (expected)"
                  timeout 5 cargo run -p multi-surface || echo "multi-surface timed out (expected)"
                  timeout 5 cargo run -p declarative-config || echo "declarative-config timed out (expected)"
                  timeout 5 cargo run -p event-loop-examples --bin timer || echo "timer timed out (expected)"
                  timeout 5 cargo run -p event-loop-examples --bin channel || echo "channel timed out (expected)"
                  timeout 5 cargo run -p event-loop-examples --bin custom-source || echo "custom-source timed out (expected)"
                  timeout 5 cargo run -p runtime-surface-config || echo "runtime-surface-config timed out (expected)"

                  kill $SWAY_PID || true
                  wait $SWAY_PID 2>/dev/null || true