#!/usr/bin/env bash
# Removes timetracker staging containers (deployed by .gitea/workflows/staging.yml
# in the timetracker repo) whose branch no longer exists on Gitea.
# Backstop for missed branch-delete events; safe to run any time.
set -euo pipefail

API="https://git.kucharczyk.xyz/api/v1/repos/lukas/timetracker/branches?limit=50"

# If the API is unreachable, set -e aborts here and nothing gets reaped.
branches=$(curl -fsS "$API" | python3 -c 'import json,sys; print("\n".join(b["name"] for b in json.load(sys.stdin)))')

docker ps -a --filter label=xyz.kucharczyk.staging=timetracker --format '{{.Names}}' | while read -r name; do
  branch=$(docker inspect "$name" --format '{{ index .Config.Labels "xyz.kucharczyk.staging.branch" }}')
  if ! grep -qxF "$branch" <<<"$branches"; then
    image=$(docker inspect "$name" --format '{{ .Config.Image }}')
    docker rm -f "$name" >/dev/null
    docker volume rm "$name" >/dev/null 2>&1 || true
    docker rmi "$image" >/dev/null 2>&1 || true
    echo "reaped ${name} (branch '${branch}' no longer exists)"
  fi
done