name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  schedule:
    - cron: "0 0 * * *" # Every night at midnight UTC

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: rustup update stable && rustup default stable
      # hashgraph-like-consensus's build.rs shells out to protoc via prost-build.
      - run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
      # chat-cli, embedded-logos-delivery and logos-delivery-bindings all reach
      # waku-bindings, whose build script compiles the Nim library and rln from
      # source. The smoketest job pays that cost; this one stays fast by
      # skipping them. Note the exclusions only hold while nothing else
      # selected here depends on that chain.
      - run: cargo build --verbose --workspace --exclude chat-cli --exclude embedded-logos-delivery --exclude logos-delivery-bindings
      - run: cargo test --verbose --workspace --exclude chat-cli --exclude embedded-logos-delivery --exclude logos-delivery-bindings

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: rustup update stable && rustup default stable
      - run: rustup component add clippy
      # hashgraph-like-consensus's build.rs shells out to protoc via prost-build.
      - run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
      # logos-delivery-bindings excluded: clippy compiles build scripts, so it
      # would drive the from-source Nim build described in the test job.
      - run: cargo clippy --all-targets --all-features --workspace --exclude chat-cli --exclude logos-delivery-bindings -- -D warnings

  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: rustup update stable && rustup default stable
      - run: rustup component add rustfmt
      - run: cargo fmt --all -- --check

  smoketest:
    name: Smoketest
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    # waku-bindings' build script builds the Nim library and rln from source on
    # a cold cache, which dominates this job.
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@v4
      - run: rustup update stable && rustup default stable
      # hashgraph-like-consensus's build.rs shells out to protoc via prost-build.
      - name: Install protoc
        run: |
          if [ "$RUNNER_OS" = "Linux" ]; then
            sudo apt-get update && sudo apt-get install -y protobuf-compiler
          else
            brew install protobuf
          fi
      # waku-bindings' build script bootstraps its own Nim toolchain, and
      # install_nim.sh / install_nimble.sh symlink the binaries into
      # ~/.nimble/bin without putting it on PATH. The same make run then calls
      # `nimble` and fails with "No such file or directory", so add it here.
      # The directory does not exist yet at this point; that is fine.
      - name: Put the bootstrapped Nim toolchain on PATH
        run: echo "$HOME/.nimble/bin" >> "$GITHUB_PATH"
      # No Nix here: waku-bindings compiles and statically links its own
      # liblogosdelivery, so there is no prebuilt Nix .so to match glibc
      # against — which is what the dev shell used to be for. Building outside
      # Nix also keeps the system OpenSSL visible, which the Nim toolchain
      # bootstrap dlopens while installing nimble/nph.
      - name: Build chat-cli
        run: cargo build --release -p chat-cli
      - name: Run chat-cli smoketest
        # The client registers against the keypackage/account registry on
        # startup, so stand up a mock that accepts those calls.
        run: |
          python3 .github/scripts/mock-registry.py &
          mock_pid=$!
          trap 'kill "$mock_pid" 2>/dev/null || true' EXIT
          for _ in $(seq 1 50); do
            curl -s -o /dev/null http://127.0.0.1:18080/ && break
            sleep 0.2
          done
          ./target/release/chat-cli --name ci-test --smoketest --registry-url http://127.0.0.1:18080