#!/usr/bin/env bash
set -euo pipefail

# The HTTP listener starts after migrations. Large indexes have no meaningful
# fixed startup deadline; a stopped/restarted process is an actual failure.
started=$SECONDS
echo 'Waiting for backend startup and database migrations to finish...'
while true; do
    state=$(docker inspect --format '{{.State.Running}} {{.RestartCount}}' sw2-backend) || exit 1
    if [[ "$state" != 'true 0' ]]; then
        echo "Backend exited or restarted during initialization ($state); check the migration logs." >&2
        exit 1
    fi
    if curl -fsS --max-time 3 http://127.0.0.1:9602/health >/dev/null 2>&1; then
        printf 'Backend ready after %s seconds.\n' "$((SECONDS - started))"
        exit 0
    fi
    sleep 2
done