name: CI

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

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

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

      - name: Clippy
        run: cargo clippy --all-targets --all-features -- -D warnings

  msrv:
    name: MSRV Verification
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Install cargo-msrv
        run: cargo install cargo-msrv

      - name: Verify MSRV
        run: cargo msrv verify

  test:
    name: Test
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        rust: [stable, nightly]
        include:
          - os: ubuntu-latest
            rust: "1.81"  # MSRV
        exclude:
          - rust: nightly

    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.rust == 'nightly' }}

    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.rust }}

      - uses: Swatinem/rust-cache@v2

      - name: Run tests
        run: cargo test --all-targets --all-features

  examples:
    name: Examples
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Build examples
        run: cargo build --examples

      - name: Run all examples
        run: ./scripts/run_examples.sh

  coverage:
    name: Code Coverage
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Install cargo-tarpaulin
        run: cargo install cargo-tarpaulin

      - name: Generate code coverage
        run: cargo tarpaulin --out Xml --out Lcov --output-dir coverage --fail-under 90

  security:
    name: Security Audit
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Install cargo-audit
        run: cargo install cargo-audit

      - name: Run cargo audit
        run: cargo audit

  doc:
    name: Documentation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Build documentation
        run: cargo doc --no-deps --document-private-items