name: Build & Push Docker Image

on:
  push:
    tags: ['v*']
  workflow_dispatch:
    inputs:
      tag:
        description: 'Docker image tag (e.g. v8, latest)'
        required: false
        default: 'latest'

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

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

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

      - name: Extract version tag
        id: meta
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "tag=${{ github.event.inputs.tag || 'latest' }}" >> $GITHUB_OUTPUT
          else
            echo "tag=${GITHUB_REF_NAME}" >> $GITHUB_OUTPUT
          fi

      - name: Build and Push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            danielonyejesi/pediatric-ai-scribe-v3:${{ steps.meta.outputs.tag }}
            danielonyejesi/pediatric-ai-scribe-v3:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64,linux/arm64

      - name: Summary
        run: |
          echo "### Docker image published" >> $GITHUB_STEP_SUMMARY
          echo "- \`danielonyejesi/pediatric-ai-scribe-v3:${{ steps.meta.outputs.tag }}\`" >> $GITHUB_STEP_SUMMARY
          echo "- \`danielonyejesi/pediatric-ai-scribe-v3:latest\`" >> $GITHUB_STEP_SUMMARY