name: CI

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

env:
  CARGO_TERM_COLOR: always
  # Show full panics.
  RUST_BACKTRACE: "full"
  # Increase thread stack size to 8 megabytes.
  RUST_MIN_STACK: 8000000
  # Fail on documentation warnings.
  RUSTDOCFLAGS: '-D warnings'

jobs:
  # Run format separately.
  #
  # This will fast-cancel other CI early if this fails.
  #
  # `cargo fmt` checks _all_ code, regardless of the OS
  # or any `#[cfg]`'s, so this only needs to run on Linux.
  fmt:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        submodules: recursive
    - name: Format
      run: cargo fmt --all --check

  # Run typo checker separately.
  # This will fast-cancel other CI early if this fails.
  typo:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
    - name: Spell Check
      uses: crate-ci/typos@master

  # All other CI.
  ci:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [windows-latest, macos-latest, ubuntu-latest]
        include:
          - os: windows-latest
            shell: msys2 {0}
          - os: macos-latest
            shell: bash
          - os: ubuntu-latest
            shell: bash

    defaults:
      run:
        shell: ${{ matrix.shell }}

    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        submodules: recursive

    - name: Cache
      uses: actions/cache@v3
      with:
        path: |
          target
          ~/.cargo
          ~/.rustup
        key: ${{ matrix.os }}

    # Packages other than `Boost` used by `Monero` are listed here.
    # https://github.com/monero-project/monero/blob/c444a7e002036e834bfb4c68f04a121ce1af5825/.github/workflows/build.yml#L71

    - name: Install dependencies (Linux)
      if: matrix.os == 'ubuntu-latest'
      run: sudo apt install -y libboost-dev

    - name: Install dependencies (macOS)
      if: matrix.os == 'macos-latest'
      run: HOMEBREW_NO_AUTO_UPDATE=1 brew install boost

    - name: Install dependencies (Windows)
      if: matrix.os == 'windows-latest'
      uses: msys2/setup-msys2@v2
      with:
        path-type: inherit
        update: true
        install: mingw-w64-x86_64-toolchain mingw-w64-x86_64-boost msys2-runtime-devel git mingw-w64-x86_64-cmake mingw-w64-x86_64-ninja

    - name: Switch target (Windows)
      if: matrix.os == 'windows-latest'
      run: |
        rustup toolchain install stable-x86_64-pc-windows-gnu -c clippy --no-self-update
        rustup default stable-x86_64-pc-windows-gnu

    - name: Documentation
      run: cargo doc --workspace --all-features

    - name: Clippy (fail on warnings)
      run: cargo clippy --workspace --all-features --all-targets -- -D warnings

    # HACK: how to test both DB backends that are feature-gated?
    - name: Test
      run: |
        cargo test --all-features --workspace
        cargo test --package cuprate-database --no-default-features --features redb --features service

    # TODO: upload binaries with `actions/upload-artifact@v3`
    - name: Build
      run: cargo build --all-features --all-targets --workspace