name: Check Frontend

on:
  pull_request:

jobs:
  frontend-check:
    runs-on: ubuntu-24.04

    permissions:
      contents: read
      pull-requests: read

    steps:
      - name: Check frontend changes
        id: changes
        uses: dorny/paths-filter@v3
        with:
          filters: |
            frontend:
              - 'src/**'
              - 'index.html'
              - 'vite.config.*'
              - 'eslint.config.*'
              - '.prettierrc*'
              - '.prettierignore'
              - 'tsconfig*.json'
              - 'package.json'
              - 'pnpm-lock.yaml'
              - '.github/workflows/check-frontend.yml'

      - name: Skip frontend checks when unchanged
        if: steps.changes.outputs.frontend != 'true'
        run: echo "No frontend changes detected, skipping frontend checks."

      - name: Checkout code
        if: steps.changes.outputs.frontend == 'true'
        uses: actions/checkout@v4

      - name: Setup Node.js
        if: steps.changes.outputs.frontend == 'true'
        uses: actions/setup-node@v4
        with:
          node-version: lts/*

      - name: Setup pnpm
        if: steps.changes.outputs.frontend == 'true'
        uses: pnpm/action-setup@v4
        with:
          run_install: false

      - name: Install dependencies
        if: steps.changes.outputs.frontend == 'true'
        run: pnpm install

      - name: Run Prettier check
        if: steps.changes.outputs.frontend == 'true'
        run: pnpm exec prettier . --check

      - name: Run ESLint check
        if: steps.changes.outputs.frontend == 'true'
        run: pnpm exec eslint -c eslint.config.js --max-warnings=0 src

      - name: Run Vue TSC check
        if: steps.changes.outputs.frontend == 'true'
        run: pnpm exec vue-tsc --noEmit