name: CI

on:
  push:
    branches:
      - main
    paths-ignore:
      - "**.md"
      - "LICENSE"
      - ".gitignore"
      - ".editorconfig"
      - ".vscode/**"
      - "docs/**"
      - ".prettierrc*"
      - ".eslintrc*"
      - ".github/ISSUE_TEMPLATE/**"
      - ".github/PULL_REQUEST_TEMPLATE/**"
  pull_request:
    branches:
      - main
    paths-ignore:
      - "**.md"
      - "LICENSE"
      - ".gitignore"
      - ".editorconfig"
      - ".vscode/**"
      - "docs/**"
      - ".prettierrc*"
      - ".eslintrc*"
      - ".github/ISSUE_TEMPLATE/**"
      - ".github/PULL_REQUEST_TEMPLATE/**"
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Run ESLint
        run: npm run lint

      - name: Check formatting
        run: npm run format:check

  test:
    name: Test and Coverage
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Run tests
        run: npm run test:run
        env:
          CI: true

      - name: Generate coverage report
        run: npm run test:coverage
        env:
          CI: true

      - name: Normalize coverage paths for Codecov
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
        run: |
          python - <<'PY'
          from pathlib import Path

          path = Path("coverage/lcov.info")
          lines = path.read_text(encoding="utf-8").splitlines()
          normalized = []

          for line in lines:
            if line.startswith("SF:"):
              normalized.append("SF:" + line[3:].replace("\\", "/"))
            else:
              normalized.append(line)

          path.write_text("\n".join(normalized) + "\n", encoding="utf-8")
          PY

      - name: Show normalized coverage file entries
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
        run: grep '^SF:' coverage/lcov.info | head

      - name: Upload coverage to Codecov
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
        uses: codecov/codecov-action@v6
        with:
          files: ./coverage/lcov.info
          flags: unit
          name: unit-coverage
          disable_search: true
          fail_ci_if_error: true
          verbose: true
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

  typecheck:
    name: Type Check
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Run type check
        run: npm run type-check