name: Build and Push Docker Image

on:
  push:
    branches: master
    paths:
      - 'addon/**'
      - '.github/**'

env:
  IMAGE_NAME: torrentio-addon

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Set credential variables
        id: credentials
        run: |
          echo "DOCKER_USERNAME=$(echo ${DOCKER_USERNAME:-${{ secrets.DOCKER_USERNAME }} })" >> $GITHUB_OUTPUT
          echo "DOCKER_PASSWORD=$(echo ${DOCKER_PASSWORD:-${{ secrets.DOCKER_PASSWORD }}:-${{ secrets.DOCKER_TOKEN }}:-${{ env.DOCKER_TOKEN }} })" >> $GITHUB_OUTPUT
          if [ -n "$(echo ${DOCKER_USERNAME:-${{ secrets.DOCKER_USERNAME }} })" ]; then 
            echo "HAS_DOCKER_CREDS=true" >> $GITHUB_OUTPUT
          else
            echo "HAS_DOCKER_CREDS=false" >> $GITHUB_OUTPUT
          fi

      - name: Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ steps.credentials.outputs.DOCKER_USERNAME != '' && format('{0}/{1}', steps.credentials.outputs.DOCKER_USERNAME, env.IMAGE_NAME) || '' }}
            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest
            type=sha,format=short

      - name: Login to DockerHub
        if: steps.credentials.outputs.HAS_DOCKER_CREDS == 'true'
        uses: docker/login-action@v2
        with:
          username: ${{ steps.credentials.outputs.DOCKER_USERNAME }}
          password: ${{ steps.credentials.outputs.DOCKER_PASSWORD }}
        continue-on-error: true

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ github.token }}
        continue-on-error: true

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: ./addon/
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max