name: parity

on:
  pull_request:
  push:
    branches:
      - main

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: -Dwarnings

jobs:
  parity:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Cache Cargo registry
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-

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

      - name: Compile check
        run: cargo check --workspace --all-targets --locked

      - name: Clippy
        run: cargo clippy --workspace --all-targets --all-features --locked -- -D warnings

      - name: Unit and parity tests
        run: cargo test --workspace --all-features --locked

      - name: TUI snapshot parity
        run: cargo test -p deepseek-tui-core --test snapshot --locked

      - name: Protocol schema sanity
        run: cargo test -p deepseek-protocol --test parity_protocol --locked

      - name: State persistence sanity
        run: cargo test -p deepseek-state --test parity_state --locked

      - name: Lockfile drift guard
        run: git diff --exit-code -- Cargo.lock