import type { ChatToolAction } from "@/store/chatToolStore";

type ViewHistoryAction = Extract<ChatToolAction, { type: "view_history" }>;

const readOptionalString = (value: unknown) =>
  typeof value === "string" && value.trim() ? value.trim() : undefined;

export const buildViewHistoryAction = (
  params: Record<string, unknown>,
): ViewHistoryAction => {
  const rawFeatureInfos = Array.isArray(params.feature_infos)
    ? params.feature_infos
    : [];
  const featureInfos = rawFeatureInfos
    .filter(
      (item): item is [unknown, unknown] =>
        Array.isArray(item) && item.length >= 2,
    )
    .map(
      ([id, type]) => [String(id).trim(), String(type).trim()] as [string, string],
    )
    .filter(([id, type]) => id.length > 0 && type.length > 0);
  const rawDataType = params.data_type;
  const dataType =
    rawDataType === "realtime" ||
    rawDataType === "scheme" ||
    rawDataType === "none"
      ? rawDataType
      : "realtime";

  return {
    type: "view_history",
    featureInfos,
    dataType,
    runId: readOptionalString(params.run_id ?? params.runId),
    startTime: readOptionalString(
      params.start_time ?? params.startTime ?? params.from ?? params.start,
    ),
    endTime: readOptionalString(
      params.end_time ?? params.endTime ?? params.to ?? params.end,
    ),
  };
};