name: 🐳 Build & Push Docker Image

on:
  release:
    types: [published]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/picoclaw

jobs:
  build:
    name: 🏗️ Build Docker Image
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      # ── Checkout ──────────────────────────────
      - name: 📥 Checkout repository
        uses: actions/checkout@v4

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

      # ── Login to GHCR ─────────────────────────
      - name: 🔑 Login to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # ── Metadata (tags & labels) ──────────────
      - name: 🏷️ Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix=
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value={{date 'YYYYMMDD-HHmmss'}},enable={{is_default_branch}}

      # ── Build & Push ──────────────────────────
      - name: 🚀 Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64,linux/arm64
