name: Build Dragon Wind Desktop

on:
  push:
    branches: [main]
    tags:
      - 'v*'
  workflow_dispatch:

jobs:
  # ── Windows .exe ─────────────────────────────────────────────────────────
  build-windows:
    name: Windows (.exe)
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Node.js 20
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install dependencies
        run: npm install

      - name: Build Windows installer
        run: npm run build:win
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CSC_IDENTITY_AUTO_DISCOVERY: false

      - name: Upload .exe artifact
        uses: actions/upload-artifact@v4
        with:
          name: dragon-wind-windows
          path: dist/*.exe
          retention-days: 30

  # ── macOS .dmg ────────────────────────────────────────────────────────────
  build-mac:
    name: macOS (.dmg)
    runs-on: macos-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Node.js 20
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install dependencies
        run: npm install

      - name: Build macOS DMG
        run: npm run build:mac
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CSC_IDENTITY_AUTO_DISCOVERY: false

      - name: Upload .dmg artifact
        uses: actions/upload-artifact@v4
        with:
          name: dragon-wind-mac
          path: dist/*.dmg
          retention-days: 30

  # ── Release (on tag push only) ────────────────────────────────────────────
  release:
    name: Create Release
    needs: [build-windows, build-mac]
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts/

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          files: artifacts/**/*
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}