name: Rust CI

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  merge_group:
  workflow_dispatch:

permissions:
  contents: read

env:
  CARGO_TERM_COLOR: always

jobs:
  fmt:
    name: cargo fmt
    runs-on: ubuntu-latest
    timeout-minutes: 10

    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@46268bd060767258de96ed93c1251119784f2ab6 # v1
        with:
          components: rustfmt
          cache-key: fmt

      - name: Check formatting
        uses: actions-rust-lang/rustfmt@4066006ec54a31931b9b1fddfd38f2fdf2d27143 # v1

  clippy:
    name: cargo clippy
    runs-on: ubuntu-latest
    timeout-minutes: 20

    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@46268bd060767258de96ed93c1251119784f2ab6 # v1
        with:
          components: clippy
          cache-key: clippy

      - name: Run clippy
        run: |
          cargo clippy \
            --workspace \
            --all-targets \
            --all-features \
            --locked \
            -- -D warnings

  test:
    name: cargo test
    runs-on: ubuntu-latest
    timeout-minutes: 25

    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@46268bd060767258de96ed93c1251119784f2ab6 # v1
        with:
          cache-key: test

      - name: Run tests
        run: |
          cargo test \
            --workspace \
            --all-targets \
            --all-features \
            --locked

  docs:
    name: cargo doc
    runs-on: ubuntu-latest
    timeout-minutes: 20

    env:
      RUSTDOCFLAGS: "-D warnings"

    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@46268bd060767258de96ed93c1251119784f2ab6 # v1
        with:
          cache-key: docs

      - name: Check docs
        run: |
          cargo doc \
            --workspace \
            --all-features \
            --no-deps \
            --locked