name: Build and Publish Docker Image

on:
  push:
    tags: ['v*']
  workflow_dispatch:

permissions:
  contents: read
  packages: write

env:
  REGISTRY: ghcr.io
  GHCR_IMAGE: fawney19/aether
  DOCKERHUB_IMAGE: fawney19/aether

jobs:
  frontend:
    name: Build frontend
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: frontend/package-lock.json

      - name: Install & build
        working-directory: frontend
        run: |
          npm ci
          npm run build

      - name: Upload frontend artifact
        uses: actions/upload-artifact@v5
        with:
          name: frontend-dist
          path: frontend/dist/
          if-no-files-found: error
          retention-days: 1

  build:
    name: Build ${{ matrix.name }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
      matrix:
        include:
          - name: linux-amd64
            target: x86_64-unknown-linux-musl
            arch: amd64
          - name: linux-arm64
            target: aarch64-unknown-linux-musl
            arch: arm64
    steps:
      - uses: actions/checkout@v5

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}

      - name: Rust cache
        uses: Swatinem/rust-cache@v2
        with:
          shared-key: release-${{ matrix.target }}
          workspaces: . -> target

      - name: Install cross
        uses: taiki-e/install-action@cross

      - name: Build
        env:
          AETHER_VERSION: ${{ startsWith(github.ref, 'refs/tags/v') && github.ref_name || '' }}
          CARGO_TERM_COLOR: always
        run: cross build --release --locked -p aether-gateway --target ${{ matrix.target }}

      - name: Upload binary artifact
        uses: actions/upload-artifact@v5
        with:
          name: aether-gateway-${{ matrix.arch }}
          path: target/${{ matrix.target }}/release/aether-gateway
          if-no-files-found: error
          retention-days: 1

  docker:
    name: Docker multi-arch
    needs: [frontend, build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5

      - name: Download all artifacts
        uses: actions/download-artifact@v5
        with:
          path: artifacts

      - name: Prepare dist layout
        run: |
          mkdir -p dist
          cp artifacts/aether-gateway-amd64/aether-gateway dist/aether-gateway-amd64
          cp artifacts/aether-gateway-arm64/aether-gateway dist/aether-gateway-arm64
          chmod +x dist/aether-gateway-amd64 dist/aether-gateway-arm64
          cp -r artifacts/frontend-dist dist/frontend

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.GHCR_IMAGE }}
            docker.io/${{ env.DOCKERHUB_IMAGE }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=pre,enable=${{ contains(github.ref, '-') }}
            type=raw,value=fix,enable=${{ contains(github.ref, '-fix') }}
            type=sha,prefix=
          flavor: |
            latest=auto

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile.app
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64