name: CI

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

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1

jobs:
  # ───────────────────────────────────────────────────────────────
  # Format + lint. Fast feedback gate before the expensive jobs.
  # ───────────────────────────────────────────────────────────────
  lint:
    name: fmt + clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: "1.95"
          components: rustfmt, clippy

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2

      - name: cargo fmt --check
        run: cargo fmt --all -- --check

      - name: cargo clippy (default features)
        run: cargo clippy --workspace --all-targets -- -D warnings

      - name: cargo clippy (op-rails-crypto evm)
        run: cargo clippy -p op-rails-crypto --features evm --all-targets -- -D warnings

      - name: cargo clippy (op-webhook reqwest-transport)
        run: cargo clippy -p op-webhook --features reqwest-transport --all-targets -- -D warnings

  # ───────────────────────────────────────────────────────────────
  # Build + unit tests across the workspace, default features.
  # ───────────────────────────────────────────────────────────────
  test:
    name: cargo test --workspace
    runs-on: ubuntu-latest
    needs: lint
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: "1.95"

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2

      - name: cargo build (workspace, all targets)
        run: cargo build --workspace --all-targets

      - name: cargo test (workspace)
        run: cargo test --workspace --no-fail-fast

  # ───────────────────────────────────────────────────────────────
  # Feature-gated test paths that the default workspace run misses.
  # Kept as separate jobs so a feature regression is obvious.
  # ───────────────────────────────────────────────────────────────
  test-features:
    name: cargo test (feature-gated)
    runs-on: ubuntu-latest
    needs: lint
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: "1.95"

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2

      - name: test op-webhook --features reqwest-transport
        run: cargo test -p op-webhook --features reqwest-transport --no-fail-fast

      - name: test op-rails-crypto --features evm
        run: cargo test -p op-rails-crypto --features evm --no-fail-fast

  # ───────────────────────────────────────────────────────────────
  # Doc build. Broken intra-doc links are common; catch them here.
  # ───────────────────────────────────────────────────────────────
  docs:
    name: cargo doc
    runs-on: ubuntu-latest
    needs: lint
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: "1.95"

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2

      - name: cargo doc --no-deps
        env:
          RUSTDOCFLAGS: "-D warnings"
        run: cargo doc --workspace --no-deps --document-private-items