# Reusable workflow: Rust linting with Clippy + format check
# Usage: uses: wectrl-net/ci-templates/.gitea/workflows/lint-rust.yaml@main
name: Lint Rust (Clippy)

on:
  workflow_call:
    inputs:
      rust-toolchain:
        description: "Rust toolchain (stable, nightly, or specific version)"
        required: false
        type: string
        default: "stable"
      working-directory:
        description: "Directory containing the Rust project (with Cargo.toml)"
        required: false
        type: string
        default: "."
      clippy-args:
        description: "Additional clippy arguments"
        required: false
        type: string
        default: "-- -D warnings"

jobs:
  lint:
    name: Clippy + fmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ inputs.rust-toolchain }}
          components: clippy, rustfmt
      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            ${{ inputs.working-directory }}/target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: ${{ runner.os }}-cargo-
      - name: Check formatting
        run: cargo fmt --check
        working-directory: ${{ inputs.working-directory }}
      - name: Run Clippy
        run: cargo clippy --all-targets --all-features ${{ inputs.clippy-args }}
        working-directory: ${{ inputs.working-directory }}