name: Docker Image

on:
  push:
    branches:
      - main
  workflow_dispatch:

concurrency:
  group: docker-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  GOPROXY: https://proxy.golang.org,direct
  GOPRIVATE: github.com/Silo-Server/*
  GONOSUMDB: github.com/Silo-Server/*

jobs:
  build:
    runs-on: [self-hosted, linux]
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Set up pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 10

      - name: Set up Node.js
        uses: actions/setup-node@v5
        with:
          node-version: "22"
          cache: "pnpm"
          cache-dependency-path: web/pnpm-lock.yaml

      - name: Install frontend dependencies
        working-directory: web
        run: pnpm install --frozen-lockfile

      - name: Build frontend assets
        working-directory: web
        run: pnpm run build

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
          cache: true
          cache-dependency-path: go.sum

      - name: Reject committed local SDK replaces
        run: |
          if grep -Eq '^replace github.com/Silo-Server/silo-plugin-sdk => /' go.mod; then
            echo "go.mod contains a machine-local silo-plugin-sdk replace."
            exit 1
          fi

      - name: Validate SDK resolves from the module graph
        env:
          GOWORK: off
        run: |
          sdk_module_json="$(mktemp)"
          go list -m -json github.com/Silo-Server/silo-plugin-sdk > "$sdk_module_json"
          if grep -q '"Main": true' "$sdk_module_json"; then
            echo "silo-plugin-sdk resolved from the local workspace instead of go.mod."
            cat "$sdk_module_json"
            exit 1
          fi

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          name: silo-builder
          keep-state: true

      - name: Log in to GitHub 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=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix=,format=short

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-contexts: |
            frontend_dist=./web/dist
          build-args: |
            BUILD_REVISION=${{ github.sha }}
            BUILD_DIRTY=false