name: Electron CI

on:
  push:
    branches: ['**']
  pull_request:

jobs:
  build:
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]

    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          lfs: true
      - uses: actions/setup-node@v4
        with:
          node-version: 20
      - run: npm ci
      - name: Fetch tags
        run: git fetch --tags

      - name: Check version tag
        id: version_guard
        if: github.ref == 'refs/heads/master'
        shell: bash
        run: |
          VERSION=$(node -p "require('./package.json').version")
          echo "version=$VERSION" >> $GITHUB_OUTPUT

          if git rev-parse "v$VERSION" >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi
      - name: Build (no publish)
        if: github.ref != 'refs/heads/master'
        run: npx electron-builder --publish=never
      - name: Build & publish
        if: github.ref == 'refs/heads/master' && steps.version_guard.outputs.exists == 'false'
        run: npx electron-builder --publish=always
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Publish skipped
        if: github.ref == 'refs/heads/master' && steps.version_guard.outputs.exists == 'true'
        run: echo "Version already released — skipping publish"