name: Release

on:
  push:
    tags:
      - 'v*'

env:
  GO_VERSION: '1.23'
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  release:
    name: Create Release
    runs-on: ubuntu-latest

    permissions:
      contents: write
      packages: write

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}

    - name: Run tests
      run: go test -v ./...

    - name: Build binaries
      run: |
        # Linux amd64
        GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build -o bin/gateway-linux-amd64 ./cmd/gateway

        # Linux arm64
        GOOS=linux GOARCH=arm64 CGO_ENABLED=1 go build -o bin/gateway-linux-arm64 ./cmd/gateway

        # macOS amd64
        GOOS=darwin GOARCH=amd64 CGO_ENABLED=1 go build -o bin/gateway-darwin-amd64 ./cmd/gateway

        # macOS arm64
        GOOS=darwin GOARCH=arm64 CGO_ENABLED=1 go build -o bin/gateway-darwin-arm64 ./cmd/gateway

    - name: Create checksums
      run: |
        cd bin
        sha256sum gateway-* > checksums.txt

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Log in to Container Registry
      uses: docker/login-action@v3
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Extract metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=raw,value=latest

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        platforms: linux/amd64,linux/arm64
        cache-from: type=gha
        cache-to: type=gha,mode=max

    - name: Generate changelog
      id: changelog
      run: |
        git log $(git describe --tags --abbrev=0 HEAD^)..HEAD --pretty=format:"* %s (%h)" > CHANGELOG.txt
        echo "changelog<<EOF" >> $GITHUB_OUTPUT
        cat CHANGELOG.txt >> $GITHUB_OUTPUT
        echo "EOF" >> $GITHUB_OUTPUT

    - name: Create Release
      uses: softprops/action-gh-release@v1
      with:
        body: |
          ## Changes
          ${{ steps.changelog.outputs.changelog }}

          ## Docker Images
          ```
          docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}
          docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          ```

          ## Installation

          ### Kubernetes
          ```bash
          kubectl apply -k k8s/
          ```

          ### Docker
          ```bash
          docker run -p 8080:8080 \
            -e GOOGLE_API_KEY=your-key \
            -e ANTHROPIC_API_KEY=your-key \
            -e OPENAI_API_KEY=your-key \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}
          ```
        files: |
          bin/gateway-*
          bin/checksums.txt
        draft: false
        prerelease: ${{ contains(github.ref, 'alpha') || contains(github.ref, 'beta') || contains(github.ref, 'rc') }}
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}