name: Build Binaries

on:
  push:
    tags:
      - '*'
  release:
    types: [created]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          # Linux AMD64
          - goos: linux
            goarch: amd64
            suffix: linux-amd64
          # Linux ARM64
          - goos: linux
            goarch: arm64
            suffix: linux-arm64
          # macOS AMD64 (Intel)
          - goos: darwin
            goarch: amd64
            suffix: darwin-amd64
          # macOS ARM64 (Apple Silicon)
          - goos: darwin
            goarch: arm64
            suffix: darwin-arm64

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

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: '1.23'

    - name: Cache Go modules
      uses: actions/cache@v4
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-

    - name: Build binary
      env:
        GOOS: ${{ matrix.goos }}
        GOARCH: ${{ matrix.goarch }}
        CGO_ENABLED: 0
      run: |
        mkdir -p dist
        VERSION=${GITHUB_REF#refs/tags/}
        go build -ldflags="-s -w -X sshm/cmd.version=${VERSION}" -o dist/sshm-${{ matrix.suffix }} .

    - name: Create tarball
      run: |
        cd dist
        tar -czf sshm-${{ matrix.suffix }}.tar.gz sshm-${{ matrix.suffix }}
        rm sshm-${{ matrix.suffix }}

    - name: Upload artifacts
      uses: actions/upload-artifact@v4
      with:
        name: sshm-${{ matrix.suffix }}
        path: dist/sshm-${{ matrix.suffix }}.tar.gz

  release:
    name: Create Release
    needs: build
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    
    steps:
    - name: Download all artifacts
      uses: actions/download-artifact@v4
      with:
        path: ./artifacts
        merge-multiple: true

    - name: Prepare release assets
      run: |
        mkdir -p release
        find ./artifacts -name "*.tar.gz" -exec cp {} ./release/ \;
        ls -la ./release/

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