name: Docker Build + Image Push

on:
  push:
    branches:
      - master
  pull_request:


jobs:
  build:
    name: Build Image
    runs-on: ubuntu-latest
    env:
        IMAGE_TAG: docker.pkg.github.com/${{ github.repository }}/tdlightbotapi

    steps:
      - name: Checkout current repo
        uses: actions/checkout@v2
        with:
            submodules: "recursive"

      - name: Get Version
        run: |
          # get telegram bot api version
          telegram_bot_api_version=$(git rev-parse --short HEAD)

          # get tdlib version
          tdlib_version=$(cd td && git rev-parse --short HEAD)

          # concat tdlib and telegram bot api version
          version=$telegram_bot_api_version-$tdlib_version

          # store variable for future use
          echo "version=$version" >> $GITHUB_ENV

      - name: Build image
        run: |
          docker build \
            --tag $IMAGE_TAG:latest \
            --tag $IMAGE_TAG:$version \
            .

      - name: Login to registry
        run: |
          echo "${{ secrets.GH_ACCESS_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin


      - name: Push images
        run: |
          docker push $IMAGE_TAG:$version