name: CI

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

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: "-D warnings"

jobs:
  rust:
    name: Rust ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - uses: actions/checkout@v4

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

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

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

      - name: Clippy (workspace, all targets)
        run: cargo clippy -p wickra-core -p wickra -p wickra-data -p wickra-wasm --all-targets -- -D warnings

      - name: Build
        run: cargo build -p wickra-core -p wickra -p wickra-data --verbose

      - name: Tests (default features)
        run: cargo test -p wickra-core -p wickra -p wickra-data --verbose

      - name: Tests (live-binance feature)
        run: cargo test -p wickra-data --features live-binance --verbose

      - name: Compile benches (smoke)
        run: cargo build -p wickra --benches --verbose

      - name: Compile examples
        run: |
          cargo build -p wickra --example backtest
          cargo build -p wickra-data --example live_binance --features live-binance

  python:
    name: Python ${{ matrix.python-version }} on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: ["3.9", "3.11", "3.12"]
    steps:
      - uses: actions/checkout@v4

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

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install Python dev dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install maturin pytest numpy hypothesis

      - name: Build wheel
        working-directory: bindings/python
        run: maturin build --release --out dist

      - name: Install wheel
        shell: bash
        working-directory: bindings/python
        run: python -m pip install --find-links dist --force-reinstall wickra

      - name: Run Python tests
        working-directory: bindings/python
        run: pytest -v

  wasm:
    name: WASM build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain (with wasm target)
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: wasm32-unknown-unknown

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

      - name: Install wasm-pack
        uses: jetli/wasm-pack-action@v0.4.0

      - name: Build WASM package
        run: wasm-pack build bindings/wasm --target web --release --features panic-hook

      - name: Verify generated artefacts
        run: |
          test -f bindings/wasm/pkg/wickra_wasm.js
          test -f bindings/wasm/pkg/wickra_wasm_bg.wasm
          test -f bindings/wasm/pkg/wickra_wasm.d.ts

  node:
    name: Node ${{ matrix.node-version }} on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        node-version: ["18", "20"]
    steps:
      - uses: actions/checkout@v4

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

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

      - name: Set up Node
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}

      - name: Install Node dependencies
        working-directory: bindings/node
        run: npm install

      - name: Build native module
        working-directory: bindings/node
        run: npx napi build --release

      - name: Run Node tests
        working-directory: bindings/node
        run: node --test __tests__/

  cross-library-bench:
    name: Cross-library benchmark report
    runs-on: ubuntu-latest
    needs: [python]
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Install Python deps + peer libs
        run: |
          python -m pip install --upgrade pip
          python -m pip install maturin numpy pandas talipp finta

      - name: Build Wickra wheel
        working-directory: bindings/python
        run: maturin build --release --out dist

      - name: Install Wickra wheel
        working-directory: bindings/python
        run: python -m pip install --find-links dist --force-reinstall wickra

      - name: Run cross-library benchmark
        working-directory: bindings/python
        run: |
          python -m benchmarks.compare_libraries --size 20000 --iterations 10 \
            --streaming-window 5000 --streaming-iterations 2 \
            | tee benchmark.txt

      - name: Upload report
        uses: actions/upload-artifact@v4
        with:
          name: cross-library-bench
          path: bindings/python/benchmark.txt