name: ci

on:
  push:
    branches: '*'
  pull_request:

env:
  CARGO_INCREMENTAL: 0
  RUSTFLAGS: "-C debuginfo=0 --deny warnings"
  RUSTDOCFLAGS: -Dwarnings

jobs:
  build:
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        # See top README for MSRV policy
        rust-version: [1.73.0, stable]
    steps:
      - uses: actions/checkout@v4

      # Downgrade all dependencies to their minimum version, both to ensure our
      # minimum version bounds are correct and buildable, as well as to satisfy
      # our MSRV check when arbitrary dependencies bump their MSRV beyond our
      # MSRV in a patch-release.
      # This implies that downstream consumers can only rely on our MSRV when
      # downgrading various (transitive) dependencies.
      - uses: hecrj/setup-rust-action@v2
        with:
          rust-version: nightly
        if: ${{ matrix.rust-version != 'stable' }}
      - name: Downgrade dependencies
        run: cargo +nightly generate-lockfile -Zminimal-versions
        if: ${{ matrix.rust-version != 'stable' }}

      - uses: hecrj/setup-rust-action@v2
        with:
          rust-version: ${{ matrix.rust-version }}

      - name: Install Rust targets
        run: >
          rustup target add
          aarch64-linux-android
          armv7-linux-androideabi
          x86_64-linux-android
          i686-linux-android

      - name: Install cargo-ndk
        run: cargo +stable install cargo-ndk

      - name: Build game-activity
        working-directory: android-activity
        run: >
          cargo ndk
          -t arm64-v8a
          -t armeabi-v7a
          -t x86_64
          -t x86
          build --features game-activity

      - name: Build native-activity
        working-directory: android-activity
        run: >
          cargo ndk
          -t arm64-v8a
          -t armeabi-v7a
          -t x86_64
          -t x86
          build --features native-activity

      - name: Build agdk-mainloop example
        if: matrix.rust-version == 'stable'
        working-directory: examples/agdk-mainloop
        run: >
          cargo ndk
          -t arm64-v8a
          -t armeabi-v7a
          -t x86_64
          -t x86
          -o app/src/main/jniLibs/ -- build

      - name: Build na-mainloop example
        if: matrix.rust-version == 'stable'
        working-directory: examples/na-mainloop
        run: >
          cargo ndk
          -t arm64-v8a
          -t armeabi-v7a
          -t x86_64
          -t x86
          -o app/src/main/jniLibs/ -- build

      - name: Documentation
        run: >
          cargo ndk -t arm64-v8a doc --no-deps

      - name: Build doctests
        # All doctests are set to no_run, because they require running in the
        # context of an Android app.
        # Only run on stable because cross-compiling doctests is only supported
        # since Rust 1.89.
        if: ${{ matrix.rust-version == 'stable' }}
        run: |
          cargo test --doc -F native-activity --target aarch64-linux-android
          cargo ndk -t arm64-v8a -- test --doc -F game-activity

  format:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Format
        run: cargo fmt --all -- --check
        working-directory: android-activity

      - name: Format na-mainloop example
        run: cargo fmt --all -- --check
        working-directory: examples/na-mainloop

      - name: Format agdk-mainloop example
        run: cargo fmt --all -- --check
        working-directory: examples/agdk-mainloop