name: Build

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]
  workflow_dispatch:

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

jobs:
  # Build Go binaries for multiple platforms
  build-binaries:
    name: Build Go Binary
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          # Linux AMD64
          - goos: linux
            goarch: amd64
            output: sovrabase-linux-amd64
          # Linux ARM64
          - goos: linux
            goarch: arm64
            output: sovrabase-linux-arm64
          # macOS AMD64 (Intel)
          - goos: darwin
            goarch: amd64
            output: sovrabase-darwin-amd64
          # macOS ARM64 (Apple Silicon)
          - goos: darwin
            goarch: arm64
            output: sovrabase-darwin-arm64
          # Windows AMD64
          - goos: windows
            goarch: amd64
            output: sovrabase-windows-amd64.exe

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

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.2'
          cache: true

      - name: Download dependencies
        run: go mod download

      - name: Build binary
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: 0
        run: |
          go build -ldflags="-w -s" -o ${{ matrix.output }} ./cmd/server/main.go

      - name: Upload binary artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.output }}
          path: ${{ matrix.output }}
          retention-days: 7

  # Build Docker images for multiple architectures
  build-docker:
    name: Build Docker Image
    strategy:
      matrix:
        include:
          # AMD64 on Ubuntu
          - runner: ubuntu-latest
            platform: linux/amd64
            arch: amd64
          # ARM64 on Ubuntu ARM runner
          - runner: ubuntu-24.04-arm
            platform: linux/arm64
            arch: arm64

    runs-on: ${{ matrix.runner }}

    permissions:
      contents: read
      packages: write

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

      - 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=ref,event=branch,suffix=-${{ matrix.arch }}
            type=ref,event=pr,suffix=-${{ matrix.arch }}
            type=sha,prefix={{branch}}-,suffix=-${{ matrix.arch }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.platform }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            TARGETARCH=${{ matrix.arch }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: false

  # Create manifest list to combine both architectures
  create-manifest:
    name: Create Multi-arch Manifest
    needs: build-docker
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request'

    permissions:
      contents: read
      packages: write

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

      - name: Create and push manifest
        run: |
          # Extract branch or tag name
          BRANCH=${GITHUB_REF##*/}
          SHA_SHORT=$(echo $GITHUB_SHA | cut -c1-7)

          # Create manifest for branch tag (combines amd64 and arm64)
          docker buildx imagetools create -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH} \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH}-${SHA_SHORT}-amd64 \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH}-${SHA_SHORT}-arm64

          # Create manifest for latest tag if on default branch
          if [ "${{ github.ref }}" = "refs/heads/main" ] || [ "${{ github.ref }}" = "refs/heads/master" ]; then
            docker buildx imagetools create -t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest \
              ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH}-${SHA_SHORT}-amd64 \
              ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${BRANCH}-${SHA_SHORT}-arm64
          fi