name: Build and Release Go App

on:
  push:
    tags:
      - 'v*'  # Runs only when a new version tag is pushed

jobs:
  build:
    name: Build Go App
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        goarch: [amd64]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'

      - name: Set environment variables
        run: |
          echo "GOOS=${{ runner.os == 'Windows' && 'windows' || runner.os == 'macos' && 'darwin' || 'linux' }}" >> $GITHUB_ENV
          echo "GOARCH=${{ matrix.goarch }}" >> $GITHUB_ENV

      - name: Build application
        run: |
          mkdir -p dist
          go build -o dist/alma-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOOS == 'windows' && '.exe' || '' }}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: app-${{ env.GOOS }}-${{ env.GOARCH }}
          path: dist/*

  release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: dist

      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          files: dist/**/*
          draft: true
          prerelease: false
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}