name: React Compiler (Rust)

on:
  push:
    branches: [main]
  pull_request:
    paths:
      - compiler/**
      - .github/workflows/compiler_rust.yml

permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref_name }}-${{ github.event.pull_request.number || github.run_id }}
  cancel-in-progress: true

env:
  TZ: /usr/share/zoneinfo/America/Los_Angeles
  SEGMENT_DOWNLOAD_TIMEOUT_MINS: 1

defaults:
  run:
    working-directory: compiler

jobs:
  rust:
    name: Tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      # --- Rust toolchain ---
      - uses: dtolnay/rust-toolchain@stable

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

      # --- Node (needed for test scripts) ---
      - uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: yarn
          cache-dependency-path: compiler/yarn.lock

      - name: Restore cached node_modules
        uses: actions/cache@v4
        id: node_modules
        with:
          path: '**/node_modules'
          key: compiler-node_modules-v6-${{ runner.arch }}-${{ runner.os }}-${{ hashFiles('compiler/yarn.lock') }}

      - run: yarn install --frozen-lockfile
        if: steps.node_modules.outputs.cache-hit != 'true'

      # --- Build & test ---
      - run: cargo check
      - run: cargo build
      - run: bash scripts/test-babel-ast.sh
      - run: bash scripts/test-rust-port.sh
      - run: yarn workspace snap run build
      - run: yarn snap --rust