name: CI

on: [push, pull_request]

env:
  RUSTFLAGS: -Dwarnings

jobs:
  fmt_and_docs:
    name: Check fmt & build docs
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
          components: rustfmt
      - name: Install cargo-readme
        run: cargo install cargo-readme
      - name: Check doc consistency
        shell: bash
        run: diff -q README.md <(cargo readme)
            || { echo "::error::Update lib.rs then use cargo-readme to update README.md"; exit 1; }
      - name: rustfmt
        run: cargo fmt --all -- --check
      - name: docs
        run: cargo doc --no-deps

  build_and_test:
    name: Build & Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        features: [fancy, syntect-highlighter]
        rust: [1.82.0, stable]
        os: [ubuntu-latest, macOS-latest, windows-latest]
        exclude:
          - features: syntect-highlighter
            rust: 1.82.0

    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}
          components: clippy
      - name: Clippy
        run: cargo clippy --all -- -D warnings
      - name: Run tests
        if: matrix.rust == 'stable'
        run: cargo test --all --verbose --features ${{matrix.features}}
      - name: Run tests
        if: matrix.rust == '1.82.0'
        run: cargo test --all --verbose --features ${{matrix.features}} no-format-args-capture

  wasm:
    name: Check Wasm build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
          targets: wasm32-unknown-unknown
      - name: Check wasm target
        run: cargo check --target wasm32-unknown-unknown --features fancy-no-syscall

  no-std:
    name: Check no-std build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
          targets: wasm32-unknown-unknown
      - name: Check no-std core build
        run: cargo check --target wasm32-unknown-unknown --no-default-features
      - name: Check no-std with fancy-no-syscall
        run: cargo check --target wasm32-unknown-unknown --no-default-features --features fancy-no-syscall

  miri:
    name: Miri
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
          components: miri,rust-src
      - name: Run tests with miri
        env:
          MIRIFLAGS: -Zmiri-disable-isolation -Zmiri-strict-provenance
        run: cargo miri test --all --verbose --features fancy

  feature-check:
    name: Feature combinations check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
      - name: Install cargo-hack
        uses: taiki-e/install-action@cargo-hack
      - name: Check feature powerset
        run: cargo hack check --feature-powerset --no-dev-deps --skip default

  minimal_versions:
    name: Minimal versions check
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macOS-latest, windows-latest]

    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly
      - name: Run minimal version build
        run: cargo build -Z direct-minimal-versions --features fancy,no-format-args-capture