import { useState } from "react";
import ButtonFixed from "../paying/ButtonFixed";
import { Button } from "@mui/material";
import ArrowLeftB from "@/components/icons/ArrowLeftB";
import { request } from "@/services/response";
import Cookies from "js-cookie";

function SubmitData({ setStep, data, prevData, setErrors, doctor, selectedSlot, selectedDate, setAppointmentId }) {
  const [loading, setLoading] = useState(false);
  const newStep = () => setStep((prev) => prev + 1);

  const refreshAccessToken = async () => {
    try {
      const refreshToken = Cookies.get("refresh_token");
      if (!refreshToken) return false;

      const res = await fetch("/api/auth/refresh", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ refresh_token: refreshToken }),
      });
      const response = await res.json();

      if (response?.access_token) {
        Cookies.set("access_token", response.access_token, { expires: 7 });
        if (response.refresh_token) {
          Cookies.set("refresh_token", response.refresh_token, { expires: 7 });
        }
        return true;
      }
      return false;
    } catch {
      return false;
    }
  };

  const handleSubmit = async () => {
    const isChanged = JSON.stringify(prevData) !== JSON.stringify(data);

    setErrors({});
    setLoading(true);

    try {
      if (isChanged) {
        const { basic_insurance, supplementary_insurance, name, family, national_code, gender, insurance_id, uuid } = data;

        let payload = {};

        // برای PATCH فقط فیلدهای تغییر یافته را ارسال می‌کنیم
        if (uuid) {
          // بررسی تغییرات فیلد به فیلد
          if (JSON.stringify(prevData.name) !== JSON.stringify(name)) {
            payload.name = name?.value;
          }
          if (JSON.stringify(prevData.family) !== JSON.stringify(family)) {
            payload.family = family?.value;
          }
          if (JSON.stringify(prevData.national_code) !== JSON.stringify(national_code)) {
            payload.national_code = national_code?.value;
          }
          if (JSON.stringify(prevData.gender) !== JSON.stringify(gender)) {
            payload.gender = gender?.value?.id || gender?.value;
          }
          if (JSON.stringify(prevData.insurance_id) !== JSON.stringify(insurance_id)) {
            payload.insurance_id = insurance_id?.value;
          }
          if (JSON.stringify(prevData.basic_insurance) !== JSON.stringify(basic_insurance)) {
            payload.basic_insurance = basic_insurance?.value?.id ? [basic_insurance.value.id] : [];
          }
          if (JSON.stringify(prevData.supplementary_insurance) !== JSON.stringify(supplementary_insurance)) {
            payload.supplementary_insurance = supplementary_insurance?.value?.id ? [supplementary_insurance.value.id] : [];
          }
        } else {
          // برای POST همه فیلدها را ارسال می‌کنیم
          payload = {
            name: name?.value,
            family: family?.value,
            national_code: national_code?.value,
            gender: gender?.value?.id || gender?.value,
            insurance_id: insurance_id?.value,
            basic_insurance: basic_insurance?.value?.id ? [basic_insurance.value.id] : [],
            supplementary_insurance: supplementary_insurance?.value?.id ? [supplementary_insurance.value.id] : [],
          };
        }

        if (uuid) {
          await request.patchUserProfile(payload, uuid);
        } else {
          await request.postUserProfile(payload);
        }

        const refreshed = await refreshAccessToken();

        if (refreshed) {
          await new Promise(resolve => setTimeout(resolve, 1000));
        }
      }

      if (doctor && selectedSlot) {
        const appointmentPayload = {
          doctor_uuid: doctor.uuid,
          slot_start: selectedSlot.start,
          slot_end: selectedSlot.end,
          note: "",
        };

        const res = await request.postAppointment(appointmentPayload);
        const appointmentUuid = res?.data?.uuid;
        if (appointmentUuid) {
          setAppointmentId(appointmentUuid);
        }
      }

      setLoading(false);
      newStep();
    } catch (error) {
      setLoading(false);
      if (error?.response?.status === 409) {
        alert("این نوبت پیش‌تر رزرو شده است. لطفاً ساعت دیگری انتخاب کنید.");
        setStep(0);
        return;
      }
      if (error?.response?.data) {
        setErrors(error.response.data);
      }
    }
  };

  return (
    <ButtonFixed>
      <Button
        disabled={loading}
        className={`
            !flex !w-full md:!w-fit !mt-0 md:!mt-[32px]
            !gap-[4px] md:!mr-auto !px-[12px] !py-[8px] md:!py-[9px] !min-w-[150px]
        `}
        variant="contained"
        onClick={handleSubmit}
      >
        <p
          className={`${loading && "opacity-0"} text-[#EFEFEF] text-[16px] font-medium`}
        >
          ثبت اطلاعات
        </p>
        <ArrowLeftB />
      </Button>
    </ButtonFixed>
  );
}

export default SubmitData;