name: CI

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

env:
  CARGO_TERM_COLOR: always

jobs:
  fmt:
    name: cargo fmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - run: cargo fmt --check

  clippy:
    name: cargo clippy (${{ matrix.os }})
    needs: [fmt]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
      - run: cargo clippy --all-targets -- -D warnings

  test:
    name: cargo test (${{ matrix.os }})
    needs: [fmt]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - run: cargo test --all-targets

  build:
    name: cargo build (${{ matrix.os }})
    needs: [fmt]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - run: cargo build

  release-build:
    name: cargo build --release (${{ matrix.os }})
    needs: [test]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - run: cargo build --release
      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: rustunnel-${{ matrix.os }}
          path: target/release/rustunnel${{ matrix.os == 'windows-latest' && '.exe' || '' }}
          retention-days: 7

  smoke:
    name: CLI smoke (${{ matrix.os }})
    needs: [release-build]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - run: cargo build --release
      # OS-neutral cargo-based smoke tests avoid path issues on Windows (.exe vs no extension)
      - name: rustunnel --help
        run: cargo run --release -- --help
      - name: rustunnel version
        run: cargo run --release -- version
      - name: rustunnel listen --help
        run: cargo run --release -- listen --help
      - name: rustunnel connect --help
        run: cargo run --release -- connect --help
      - name: rustunnel generate --help
        run: cargo run --release -- generate --help
      - name: Invalid command fails
        shell: bash
        run: |
          if cargo run --release -- invalid-cmd 2>&1; then
            echo "ERROR: invalid command should have failed"
            exit 1
          fi
      - name: Invalid port fails
        shell: bash
        run: |
          if cargo run --release -- listen --listen localhost:bad --cert x --key x --ca-cert x --auth-token x 2>&1; then
            echo "ERROR: invalid port should have failed"
            exit 1
          fi