name: Build Electron Apps

on:
  workflow_dispatch:
  push:
    branches: ["main", "electron"]
    paths:
      - 'frontend/**'
      - 'package.json'
      - 'package-lock.json'
      - 'frontend/electron/**'
      - '.github/workflows/build.yml'

jobs:
  build:
    name: Build (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Force npm to use Bash
        if: runner.os == 'Windows'
        run: npm config set script-shell "C:\Program Files\Git\bin\bash.exe"

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '24'

      - name: Cache npm (Linux/macOS)
        if: runner.os != 'Windows'
        uses: actions/cache@v4
        with:
          path: ~/.npm
          key: npm-${{ runner.os }}-node-24-${{ hashFiles('package.json') }}
          restore-keys: |
            npm-${{ runner.os }}-node-24-

      - name: Cache npm (Windows)
        if: runner.os == 'Windows'
        uses: actions/cache@v4
        with:
          path: ~\AppData\Local\npm-cache
          key: npm-${{ runner.os }}-node-24-${{ hashFiles('package.json') }}
          restore-keys: |
            npm-${{ runner.os }}-node-24-

      - name: Install root deps (no scripts)
        run: npm install --ignore-scripts --no-audit --no-fund

      - name: Install Electron Forge deps
        run: npm run frontend:electron:dependencies

      - name: Build Electron app
        shell: bash
        run: npm run build:electron

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: fromchat-${{ runner.os }}
          path: |
            frontend/electron/forge/out/**
          if-no-files-found: error