---
name: Clean After PR

on:
  pull_request:
    types: [closed]

jobs:
  build-docker:
    name: Remove feature branch docker images
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout repo
        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2

      ########## ACR ##########
      - name: Login to Azure - QA Subscription
        uses: Azure/login@77f1b2e3fb80c0e8645114159d17008b8a2e475a # v1.3.0
        with:
          creds: ${{ secrets.AZURE_QA_KV_CREDENTIALS }}

      - name: Login to Azure ACR
        run: az acr login -n bitwardenqa

      - name: Login to Azure - PROD Subscription
        uses: Azure/login@77f1b2e3fb80c0e8645114159d17008b8a2e475a # v1.3.0
        with:
          creds: ${{ secrets.AZURE_PROD_KV_CREDENTIALS }}

      - name: Login to Azure ACR
        run: az acr login -n bitwardenprod

      ########## Remove Docker images ##########
      - name: Remove the docker image from ACR
        env:
          REGISTRIES: |
            registries:
              - bitwardenprod
              - bitwardenqa
          SERVICES: |
            services:
              - Admin
              - Api
              - Attachments
              - Events
              - EventsProcessor
              - Icons
              - Identity
              - K8S-Proxy
              - MsSql
              - Nginx
              - Notifications
              - Server
              - Setup
              - Sso
        run: |
          for SERVICE in $(echo "${{ env.SERVICES }}" | yq e ".services[]" - )
          do
            for REGISTRY in $( echo "${{ env.REGISTRIES }}" | yq e ".registries[]" - )
            do
              SERVICE_NAME=$(echo $SERVICE | awk '{print tolower($0)}')
              IMAGE_TAG=$(echo "${GITHUB_REF:11}" | sed "s#/#-#g")  # slash safe branch name

              echo "[*] Checking if remote exists: $REGISTRY.azurecr.io/$SERVICE_NAME:$IMAGE_TAG"
              TAG_EXISTS=$(
                az acr repository show-tags --name $REGISTRY --repository $SERVICE_NAME \
                | jq --arg $TAG "$IMAGE_TAG" -e '. | any(. == "$TAG")'
              )

              if [[ "$TAG_EXISTS" == "true" ]]; then
                echo "[*] Tag exists. Removing tag"
                az acr repository delete --name $REGISTRY --image $SERVICE_NAME:$IMAGE_TAG --yes
              else
                echo "[*] Tag does not exist. No action needed"
              fi
            done
          done

      - name: Log out of Docker
        run: docker logout