name: Test if React UI builds

on:
  push:
    branches: ["main"]

  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Detect package manager
        id: detect-package-manager
        working-directory: react-ui
        run: |
          if [ -f "${{ github.workspace }}/react-ui/yarn.lock" ]; then
            echo "manager=yarn" >> $GITHUB_OUTPUT
            echo "command=install" >> $GITHUB_OUTPUT
            echo "runner=yarn" >> $GITHUB_OUTPUT
            exit 0
          elif [ -f "${{ github.workspace }}/react-ui/package.json" ]; then
            echo "manager=npm" >> $GITHUB_OUTPUT
            echo "command=ci" >> $GITHUB_OUTPUT
            echo "runner=npx --no-install" >> $GITHUB_OUTPUT
            exit 0
          else
            echo "Unable to determine package manager"
            exit 1
          fi
      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          # working-directory: react-ui
          cache-dependency-path: "react-ui"
          node-version: "22"
          cache: ${{ steps.detect-package-manager.outputs.manager }}
      - name: Restore cache
        uses: actions/cache@v3
        with:
          path: |
            .next/cache
          # Generate a new cache whenever packages or source files change.
          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
          # If source files changed but packages didn't, rebuild from a prior cache.
          restore-keys: |
            ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-
      - name: Install dependencies
        working-directory: react-ui
        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
      - name: Build with Next.js
        working-directory: react-ui
        run: ${{ steps.detect-package-manager.outputs.runner }} npm run build
      - name: Static HTML export with Next.js
        working-directory: react-ui
        run: ${{ steps.detect-package-manager.outputs.runner }} next export