import axios from "axios";
import Swal from "sweetalert2";

const baseURL = import.meta.env.VITE_API_SERVER;

const instance = axios.create({
  baseURL,
  withCredentials: true,
});

// axios khusus refresh
const refreshApi = axios.create({
  baseURL,
  withCredentials: true,
});


instance.interceptors.response.use(
  (response) => response,
  async (error) => {
    const originalRequest = error.config;

    console.error("🚨 Response Error Interceptor:", {
      status: error.response?.status,
      url: originalRequest.url,
      message: error.response?.data?.message,
      hasRetried: originalRequest._retry
    });

    if (error.response?.status === 401 && !originalRequest._retry) {
      originalRequest._retry = true;

      try {
        console.log("🔄 Refresh token dipanggil...");
        const refreshRes = await refreshApi.post("/auth/refresh-token");

        const newAccessToken = refreshRes.data.data.accessToken;
        localStorage.setItem("token", newAccessToken);
        console.log("✅ Token refreshed successfully");

        // update token di header
        instance.defaults.headers.common["Authorization"] = `Bearer ${newAccessToken}`;
        originalRequest.headers["Authorization"] = `Bearer ${newAccessToken}`;

        console.log("🔁 Retrying original request...");
        return instance(originalRequest);
      } catch (refreshError) {
        console.error("❌ Refresh token gagal:", refreshError.response?.data || refreshError.message);
        localStorage.clear();
        window.location.href = "/signin";
      }
    }

    return Promise.reject(error);
  }
);

async function ApiRequest({
  method = "GET",
  params = {},
  prefix = "/",
  token = true,
} = {}) {
  const isFormData = params instanceof FormData;

  const request = {
    method,
    url: prefix,
    data: params,
    headers: {
      "Accept-Language": "en_US",
      ...(isFormData ? {} : { "Content-Type": "application/json" }),
    },
  };

  const rawToken = localStorage.getItem("token");
  if (token && rawToken) {
    const cleanToken = rawToken.replace(/"/g, "");
    request.headers["Authorization"] = `Bearer ${cleanToken}`;
    console.log("🔐 Sending request with token:", cleanToken.substring(0, 20) + "...");
  } else {
    console.warn("⚠️ No token found in localStorage");
  }

  console.log("📤 API Request:", { method, url: prefix, hasToken: !!rawToken });

  try {
    const response = await instance(request);
    console.log("✅ API Response:", { url: prefix, status: response.status, statusCode: response.data?.statusCode });
    return { ...response, error: false };
  } catch (error) {
    const status = error?.response?.status || 500;
    const message = error?.response?.data?.message || error.message || "Something Wrong";
    console.error("❌ API Error:", {
      url: prefix,
      status,
      message,
      fullError: error?.response?.data
    });

    if (status !== 401) {
      await cekError(status, message);
    }

    return { ...error.response, error: true };
  }
}

async function cekError(status, message = "") {
  if (status === 403) {
    await Swal.fire({
      icon: "warning",
      title: "Forbidden",
      text: message,
    });
  } else if (status >= 500) {
    await Swal.fire({
      icon: "error",
      title: "Server Error",
      text: message,
    });
  } else {
    await Swal.fire({
      icon: "warning",
      title: "Peringatan",
      text: message,
    });
  }
}

const SendRequest = async (queryParams) => {
  try {
    const response = await ApiRequest(queryParams);
    console.log("📦 SendRequest response:", {
      hasError: response.error,
      status: response.status,
      statusCode: response.data?.statusCode,
      data: response.data
    });

    // If ApiRequest returned error flag, return error structure
    if (response.error) {
      const errorMsg = response.data?.message || response.statusText || "Request failed";
      console.error("❌ SendRequest error response:", errorMsg);

      // Return consistent error structure instead of empty array
      return {
        statusCode: response.status || 500,
        message: errorMsg,
        data: null,
        error: true
      };
    }

    return response?.data || { statusCode: 200, data: [], message: "Success" };
  } catch (error) {
    console.error("❌ SendRequest catch error:", error);

    // Don't show Swal here, let the calling code handle it
    // This allows better error handling in each API call
    return {
      statusCode: 500,
      message: error.message || "Something went wrong",
      data: null,
      error: true
    };
  }
};

export { ApiRequest, SendRequest };