name: CI

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

env:
  CARGO_TERM_COLOR: always

jobs:
  tests:
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
        rust:
          - 1.51.0 # msrv
          - stable
          - beta
          - nightly
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3

      - name: Restore cargo cache
        uses: actions/cache@v2.1.7
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ matrix.os }}-cargo-${{ matrix.rust }}-${{ hashFiles('Cargo.lock') }}

      - name: Toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ matrix.rust }}
          override: true

      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --all-features --verbose
  
  clippy:
    name: clippy (ubuntu-latest, stable)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          components: clippy

      - name: Restore cargo cache
        uses: actions/cache@v2.1.7
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-stable-${{ hashFiles('Cargo.lock') }}

      - name: Check clippy
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: -- -D warnings
  
  fmt:
    name: fmt (ubuntu-latest, stable)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          components: rustfmt

      - name: Restore cargo cache
        uses: actions/cache@v2.1.7
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-stable-${{ hashFiles('Cargo.lock') }}

      - name: Check format
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check