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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
ENV_FILE="${ROOT_DIR}/config/env.local"
if [[ ! -f "${ENV_FILE}" ]]; then
  ENV_FILE="${ROOT_DIR}/config/env.example"
fi
# shellcheck source=/dev/null
source "${ENV_FILE}"
# shellcheck source=/dev/null
source "${ROOT_DIR}/src/client.sh"

limit="${SYNC_LIMIT:-200}"
wait_ms="${SYNC_WAIT_MS:-15000}"
cursor_file="${ROOT_DIR}/.cursor"
cursor=""

if [[ -f "${cursor_file}" ]]; then
  cursor="$(cat "${cursor_file}")"
fi

while true; do
  if [[ -n "${cursor}" ]]; then
    path="/v2/graph/changes?since_cursor=${cursor}&limit=${limit}&wait_ms=${wait_ms}"
  else
    path="/v2/graph/changes?limit=${limit}&wait_ms=${wait_ms}"
  fi

  resp="$(api_get "${path}")"
  echo "${resp}"

  next="$(printf '%s\n' "${resp}" | sed -n 's/.*"next_cursor":"\([^"]*\)".*/\1/p')"
  if [[ -n "${next}" ]]; then
    cursor="${next}"
    printf '%s' "${cursor}" > "${cursor_file}"
  fi

  sleep 1
 done