import { useEffect, useState } from "react";

const BASE_URL = process.env.NEXT_PUBLIC_SEWERAGE_API_URL || '';

export const getData = async (url: string, data?: object): Promise<any> => {
  const res = await fetch(url.startsWith('/') ? `${url}` : `${BASE_URL}/${url}`, {
    method: "GET",
  });
  if (res.ok) {
    try {
      // 응답이 비어있는지 확인
      const contentLength = res.headers.get('content-length');
      if (contentLength === '0') {
        return null;
      }

      // 응답 텍스트를 먼저 가져와서 빈 문자열인지 확인
      const text = await res.text();
      if (!text || text.trim() === '') {
        return null;
      }

      // JSON 파싱 시도
      const data = JSON.parse(text);
      return data;
    } catch (error) {
      console.error('JSON parsing error:', error);
      // JSON 파싱에 실패한 경우, 원본 텍스트 또는 null 반환
      throw new Error('Invalid JSON response from server');
    }
  }
  throw new Error('Failed to fetch data');
};

export const postData = async (url: string, data: object): Promise<any> => {
  const options: RequestInit = {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
    },
    body: JSON.stringify(data),
  };
  const res = await fetch(`${BASE_URL}/${url}`, options);
  if (res.ok) {
    const resData = await res.json();
    return resData;
  }
};

export const postMutiPart = async (url: string, data: FormData): Promise<any> => {
  const options: RequestInit = {
    method: "POST",
    body: data,
  };
  const res = await fetch(`${BASE_URL}/${url}`, options);
  const resData = await res.json();
  return resData;
};

export const putData = async (url: string, data: object): Promise<any> => {
  const options: RequestInit = {
    method: "PUT",
    headers: {
      "Content-Type": "application/json",
    },
    body: JSON.stringify(data),
  };
  const res = await fetch(`${BASE_URL}/${url}`, options);
  const resData = await res.json();
  return resData;
};

export const deleteData = async (url: string, data?: object): Promise<any> => {
  const options: RequestInit = {
    method: "DELETE",
    headers: {
      "Content-Type": "application/json",
    },
    body: data ? JSON.stringify(data) : undefined,
  };
  const res = await fetch(url.startsWith('/') ? `${url}` : `${BASE_URL}/${url}`, options);
  if (res.status === 204) return true
  return res;
};

// DC API 호출
export const getDcData = async (url: string, data?: object): Promise<any> => {
  const res = await fetch('/dc-service' + url, {
    method: "GET",
  });
  if (res.ok) {
    const data = await res.json();
    return data;
  }
  throw new Error('Failed to fetch data');
};

// CMS API 호출
export const getCmsData = async (url: string, data?: object): Promise<any> => {
  const res = await fetch('/cms-service' + url, {
    method: "GET",
  });
  if (res.ok) {
    const data = await res.json();
    return data;
  }
  throw new Error('Failed to fetch data');
};

// GeoServer API 호출
export const getGeoData = async (url: string, data?: object): Promise<any> => {
  const res = await fetch('/geoserver' + url, {
    method: "GET",
  });
  if (res.ok) {
    const data = await res.json();
    return data;
  }
  throw new Error('Failed to fetch data');
};

export function getCookie(name: string) {
  const match = document.cookie.match(new RegExp('(^| )' + name + '=([^;]+)'));
  if (match && match[2]) {
    return decodeURIComponent(match[2]);
  }
  return null;
}

export const useCookieAuth = () => {
  const [data, setData] = useState("");

  useEffect(() => {
    const fetch = async () => {
      const result = getCookie("Authorization");
      if (result) {
        setData(result);
      }
    };
    fetch();
    console.log("useCookieAuth 호출");
  }, []);

  return data;
};