# Builds the PUBLIC backhaul-agent image and pushes it to the Gitea registry.
# No deploy step — this image is pulled by `docker run` on each database's host.
name: Build and Push backhaul-agent

on:
  push:
    branches:
      - main
  workflow_dispatch:

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Login to Gitea registry
        run: |
          echo "${REGISTRY_TOKEN}" | docker login git.skui.io -u "${REGISTRY_USER}" --password-stdin
        env:
          REGISTRY_USER: ${{ secrets.REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}

      - name: Set version tag
        id: version
        run: |
          CURRENT_DATE="$(date -u +%Y.%m.%d)"
          docker pull git.skui.io/steffen/backhaul-agent:latest 2>/dev/null || true
          LATEST_TAGS=$(docker image inspect git.skui.io/steffen/backhaul-agent:latest 2>/dev/null | \
            jq -r '.[0].RepoTags[]?' 2>/dev/null || echo "")
          LATEST_TAG=$(echo "$LATEST_TAGS" | grep -E "${CURRENT_DATE}\.[0-9]+$" | \
            sed 's/.*://' | sort -V | tail -1 || echo "")
          if [[ $LATEST_TAG =~ ^${CURRENT_DATE}\.([0-9]+)$ ]]; then
            COUNTER=$(( BASH_REMATCH[1] + 1 ))
          else
            COUNTER=1
          fi
          echo "version=${CURRENT_DATE}.${COUNTER}" >> "$GITHUB_OUTPUT"

      - name: Build image
        run: |
          docker build --pull -t git.skui.io/steffen/backhaul-agent:${{ steps.version.outputs.version }} .
          docker tag git.skui.io/steffen/backhaul-agent:${{ steps.version.outputs.version }} git.skui.io/steffen/backhaul-agent:latest

      - name: Verify the dump tools are present
        run: |
          IMG=git.skui.io/steffen/backhaul-agent:${{ steps.version.outputs.version }}
          docker run --rm --entrypoint sh "$IMG" -c \
            'pg_dump --version && mysqldump --version && python3 --version'

      - name: Push image
        run: |
          docker push git.skui.io/steffen/backhaul-agent:${{ steps.version.outputs.version }}
          docker push git.skui.io/steffen/backhaul-agent:latest