import { getBaseUrl } from "./constants";
import { IFetchHealthDataParams, IHealthData, IDashboardData } from "./types";

export async function getTransactions({
  transactionType,
  query,
}: {
  transactionType: string;
  query: string;
}) {
  const res = await fetch(
    `${getBaseUrl()}/api/dashboard/transactions/${transactionType}?${query}`,
    {
      cache: "no-store",
    }
  );

  if (!res.ok) {
    // Handle error from the API
    const errorData = await res
      .json()
      .catch(() => ({ message: "Unknown error" }));
    throw new Error(errorData.message || `HTTP error! status: ${res.status}`);
  }

  return res.json();
}

/**
 * Client-side function to fetch dashboard data (health + overview) via the /api/dashboard proxy
 * This function calls a single endpoint that returns both health and overview data
 */
export async function getDashboardData({
  dateStart,
  dateEnd,
}: IFetchHealthDataParams = {}): Promise<IDashboardData> {
  const params = new URLSearchParams();
  if (dateStart) params.set("dateStart", dateStart);
  if (dateEnd) params.set("dateEnd", dateEnd);

  const queryString = params.toString();
  const res = await fetch(
    `${getBaseUrl()}/api/dashboard${queryString ? `?${queryString}` : ""}`,
    {
      cache: "no-store",
    }
  );

  if (!res.ok) {
    const errorData = await res
      .json()
      .catch(() => ({ message: "Unknown error" }));
    throw new Error(errorData.message || `HTTP error! status: ${res.status}`);
  }

  const data = await res.json();

  // Extract overviewData and reviewTransactions from the response
  const { overviewData, reviewTransactions, ...healthDataWithStats } = data;

  return {
    healthData: healthDataWithStats as IHealthData,
    overviewData: overviewData || {
      success: false,
      successful_count: 0,
      waiting_count: 0,
      failed_count: 0,
      cancelled_count: 0,
    },
    reviewTransactions: reviewTransactions || {
      success: false,
      transactions: [],
      total: 0,
    },
  };
}