name: Docker image (concretefhe dev/CI)

on:
  push:
    branches:
      - main
    paths:
      - docker/Dockerfile.concretefhe-env

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

  # Allows external webhook trigger
  repository_dispatch:
    types:
      - rebuild-env-docker
      - publish-env-docker

env:
  PREFLIGHT_IMAGE: ghcr.io/zama-ai/concretefhe-env:preflight
  LATEST_IMAGE: ghcr.io/zama-ai/concretefhe-env:latest
  BASE_IMAGE: ghcr.io/zama-ai/concretefhe-env

jobs:
  build_preflight_docker:
    if: ${{ github.event_name != 'repository_dispatch' || github.event.event_type == 'rebuild-env-docker' }}

    concurrency:
      group: ${{ github.ref }}
      cancel-in-progress: true

    name: Build & Push the concretefhe env Docker Image
    runs-on: ubuntu-20.04

    steps:
      - uses: actions/checkout@v2

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ secrets.BOT_USERNAME }}
          password: ${{ secrets.BOT_TOKEN }}
      - name: Build concretefhe-env Image
        if: ${{ success() && !cancelled() }}
        uses: docker/build-push-action@v2
        with:
          context: .
          builder: ${{ steps.buildx.outputs.name }}
          file: docker/Dockerfile.concretefhe-env
          push: true
          tags: "${{ env.PREFLIGHT_IMAGE }}"
          no-cache: true
      - name: Trigger CI pipeline with preflight image
        if: ${{ success() && !cancelled() }}
        run: |
          curl \
          -X POST \
          -H "Accept: application/vnd.github.v3+json" \
          -H "Authorization: token ${{ secrets.BOT_TOKEN }}" \
          https://api.github.com/repos/${{ github.repository }}/dispatches \
          -d '{"event_type":"env-docker-preflight","client_payload":{"image":"${{ env.PREFLIGHT_IMAGE }}"}}'
      - name: Slack Notification
        if: ${{ always() }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
          SLACK_ICON: https://pbs.twimg.com/profile_images/1274014582265298945/OjBKP9kn_400x400.png
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Docker image preflight build ${{ env.PREFLIGHT_IMAGE }} finished with \
            status ${{ job.status }}"
          SLACK_USERNAME: ${{ secrets.BOT_USERNAME }}
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}

  push-docker-image:
    if: ${{ github.event_name == 'repository_dispatch' && github.event.event_type == 'publish-env-docker'}}

    concurrency:
      group: ${{ github.ref }}
      cancel-in-progress: true

    name: Push env docker image
    runs-on: ubuntu-20.04

    steps:
      - name: Check build went well with preflight image
        env:
          PREFLIGHT_STATUS: ${{ github.event.client_payload.preflight_status }}
        run: |
          if [[ "${PREFLIGHT_STATUS}" != "success" ]]; then
            echo "Build with new image failed, aborting."
            exit 1
          fi
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ secrets.BOT_USERNAME }}
          password: ${{ secrets.BOT_TOKEN }}
      - name: Pull preflight image
        run: |
          docker pull ${PREFLIGHT_IMAGE}
      - name: Retag to latest and epoch and push
        run: |
          EPOCH=$(date +%s)
          EPOCH_IMAGE="${BASE_IMAGE}:${EPOCH}"
          docker tag ${PREFLIGHT_IMAGE} ${LATEST_IMAGE}
          docker tag ${PREFLIGHT_IMAGE} ${EPOCH_IMAGE}
          docker push ${LATEST_IMAGE}
          docker push ${EPOCH_IMAGE}

      - name: Slack Notification
        if: ${{ always() }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
          SLACK_ICON: https://pbs.twimg.com/profile_images/1274014582265298945/OjBKP9kn_400x400.png
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Publishing docker image ${{ env.BASE_IMAGE }} finished with status \
            ${{ job.status }}"
          SLACK_USERNAME: ${{ secrets.BOT_USERNAME }}
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}