name: CI

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

env:
  CARGO_TERM_COLOR: always

jobs:
  fmt:
    name: Format check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install stable toolchain with rustfmt
        run: rustup component add rustfmt
      - name: Check formatting
        run: cargo fmt --check

  clippy:
    name: Clippy lints
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install stable toolchain with clippy
        run: rustup component add clippy
      - name: Cache cargo registry
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
      - name: Run clippy
        run: cargo clippy --all-targets --all-features -- -D warnings

  test:
    name: Build & test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Cache cargo registry
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
      - name: Build
        run: cargo build --locked --verbose
      - name: Run tests
        run: cargo test --locked --verbose
      - name: Run release walkthrough (smoke test)
        run: cargo run --locked --release