name: Docker

on:
  workflow_dispatch:
  push:
    branches: 
      - 'main'
      - 'develop'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:

    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Set up Python 
        uses: actions/setup-python@v2
        with:
          python-version: '3.8'

      - name: Install cosign
        if: github.event_name != 'pull_request'
        uses: sigstore/cosign-installer@main

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v1

      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get date as semver
        id: calver
        env:
          REF_NAME: ${{ github.ref_name }}
        run: |
          python -c "
          from datetime import datetime, timedelta
          from os import environ
          ref = environ['REF_NAME']
          now = datetime.now()
          date = now.strftime('%y.%m.%d')
          delta = timedelta(hours=now.hour,minutes=now.minute,seconds=now.second)
          print(f'::set-output name=current::{date}-{ref}.{delta.seconds}')
          "

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ steps.calver.outputs.current }}
            type=raw,value=${{ github.ref_name }}
            type=sha

      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v2
        with:
          context: .
          build-args: |
            APP_VERSION=${{ steps.calver.outputs.current }}
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Sign the published Docker image
        if: ${{ github.event_name != 'pull_request' && !github.event.repository.private }}
        env:
          COSIGN_EXPERIMENTAL: "true"
        run: cosign sign ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.build-and-push.outputs.digest }}

      - name: Trigger release job
        if: ${{ success() && github.ref_name == 'main' && github.event_name != 'pull_request' && !github.event.repository.private }}
        uses: toptal/jenkins-job-trigger-action@master
        with:
          jenkins_url: ${{ secrets.JENKINS_URL }}
          jenkins_user: ${{ secrets.JENKINS_USER }}
          jenkins_token: ${{ secrets.JENKINS_TOKEN }}
          job_name: "nikita-tokarch-uk/job/make-a-release"
          job_params: |
            {
              "VERSION": "${{ steps.calver.outputs.current }}"
            }
          job_timeout: "300" # Default 30 sec. (optional)