const TOKEN_NAME = import.meta.env.VITE_TOKEN_NAME;
const REFRESH_TOKEN_NAME = import.meta.env.VITE_REFRESH_TOKEN_NAME;

export const getToken = () => {
  return localStorage.getItem(TOKEN_NAME);
};

export const setToken = (token: string) => {
  localStorage.setItem(TOKEN_NAME, token);
};

export const removeToken = () => {
  localStorage.removeItem(TOKEN_NAME);
};

export const getRefreshToken = () => {
  return localStorage.getItem(REFRESH_TOKEN_NAME);
};

export const setRefreshToken = (refreshToken: string) => {
  localStorage.setItem(REFRESH_TOKEN_NAME, refreshToken);
};

export const removeRefreshToken = () => {
  localStorage.removeItem(REFRESH_TOKEN_NAME);
};

export const timeAgo = (dateString: string): string => {
  const date = new Date(dateString);
  const now = new Date();
  const diffInMs = now.getTime() - date.getTime();
  const diffInMinutes = Math.floor(diffInMs / (1000 * 60));
  const diffInHours = Math.floor(diffInMinutes / 60);
  const diffInDays = Math.floor(diffInHours / 24);

  if (diffInMinutes < 1) return "همین الان";
  if (diffInMinutes < 60) return `${diffInMinutes} دقیقه پیش`;
  if (diffInHours < 24) return `${diffInHours} ساعت پیش`;
  if (diffInDays < 7) return `${diffInDays} روز پیش`;

  return date.toLocaleDateString("fa-IR");
};

export const NumberFormat = (num?: number): string => {
  if (!num) return "0";
  return num.toLocaleString("fa-IR");
};

export interface IGeneralError {
  status: number;
  success: boolean;
  error: {
    message: string[];
  };
}

export const extractErrorMessage = (
  error: Error | unknown,
  fallbackMessage: string = "خطایی رخ داده است",
): string => {
  try {
    const axiosError = error as { response?: { data: IGeneralError } };
    return axiosError?.response?.data?.error?.message?.[0] || fallbackMessage;
  } catch {
    return fallbackMessage;
  }
};

export const getFileNameAndExtensionFromUrl = (
  url: string,
): { fileName: string; extension: string } => {
  try {
    const cleanUrl = url.split("?")[0].split("#")[0];
    const lastPart = cleanUrl.substring(cleanUrl.lastIndexOf("/") + 1);

    if (!lastPart || !lastPart.includes(".")) {
      return { fileName: "", extension: "" };
    }

    const lastDotIndex = lastPart.lastIndexOf(".");
    const fileName = lastPart.substring(0, lastDotIndex);
    const extension = lastPart.substring(lastDotIndex + 1);

    return { fileName, extension };
  } catch {
    return { fileName: "", extension: "" };
  }
};