"use client";

import { AxiosError } from "axios";
import Loader from "@/shared/ui/Loader/Loader";
import { apiInstance } from "@/shared/config/apiConfig";
import { z } from "zod";
import { useForm } from "react-hook-form";
import { zodResolver } from "@hookform/resolvers/zod";
import { useRouter } from "next/navigation";
import React from "react";
import alert from "./icons/alert-circle.svg";
import Image from "next/image";
import eye_off from "./icons/eye-off.svg";
import eye_on from "./icons/eye-on.svg";

const SignUpForm = () => {
  const [resError, setResError] = React.useState<string>("");
  const [loader, setLoader] = React.useState<boolean>(false);
  const [showPassword, setShowPassword] = React.useState(false);
  const [showPasswordTwo, setShowPasswordTwo] = React.useState(false);

  const router = useRouter();

  const signUpFormScheme = z
    .object({
      email: z.string().email("Неверный формат email"),
      password: z.string().min(8, "Пароль должен содержать минимум 8 символов"),
      password_repeat: z
        .string()
        .min(8, "Пароль должен содержать минимум 8 символов"),
    })
    .refine((data) => data.password === data.password_repeat, {
      message: "Пароли не совпадают",
      path: ["password_repeat"],
    });

  type FormFields = z.infer<typeof signUpFormScheme>;

  const {
    register,
    handleSubmit,
    formState: { errors, isSubmitting },
  } = useForm<FormFields>({
    resolver: zodResolver(signUpFormScheme),
  });

  const onSubmit = async (data: FormFields) => {
    try {
      const res = await apiInstance.post("/auth/register/", data);
      const encodedEmail = encodeURIComponent(data.email);
      console.log(encodedEmail);
      if ([200, 201].includes(res.status)) {
        router.push(`sign-up/confirm-email?email=${encodedEmail}`);
      }
    } catch (error: unknown) {
      if (error instanceof AxiosError) {
        if ([401, 400].includes(error.response?.status as number)) {
          setResError("Такой пользователь уже существует");
        } else if (error.response?.status.toString().slice(0, 1) === "5") {
          setResError("Ошибка на стороне сервера");
        }
      } else {
        setResError("Непредвиденная ошибка");
      }
    } finally {
      setLoader(false);
    }
  };

  return (
    <form
      className="mb-2 w-[360px] flex flex-col"
      onSubmit={handleSubmit(onSubmit)}
    >
      <div className="flex flex-col gap-5">
        <div>
          <label className="text-[14px] leading-5 text-gray-700">Email</label>
          <div
            className={`flex items-center${
              errors.email?.message && "border border-red-400"
            }`}
          >
            <input
              placeholder="Email"
              className="w-full text-[16px] leading-6 text-gray-900 px-[10px] py-[14px] border border-gray-300 rounded-lg shadow-sm bg-white"
              type="text"
              {...register("email", { required: true })}
            />
          </div>
          {errors?.email?.message && (
            <p className="flex items-center justify-between text-[14px] font-normal leading-5 text-red-500">
              {errors.email.message} <Image src={alert} alt="Alert Icon" />
            </p>
          )}
        </div>

        <div>
          <label className="text-[14px] leading-5 text-gray-700">Пароль</label>
          <div
            className={`flex items-center border border-gray-300 rounded-lg shadow-sm bg-white${
              errors?.password?.message && "border border-red-400"
            }`}
          >
            <input
              placeholder="Пароль"
              className="w-full text-[16px] leading-6 text-gray-900 px-[10px] py-[14px]"
              type={showPassword ? "text" : "password"}
              {...register("password", { required: true })}
            />
            <button
              onClick={() => setShowPassword((prev) => !prev)}
              type="button"
              className="pr-2"
            >
              <Image src={showPassword ? eye_on : eye_off} alt="Eye Icon" />
            </button>
          </div>
          {errors?.password?.message && (
            <p className="flex items-center justify-between text-[14px] font-normal leading-5 text-red-500">
              {errors.password.message} <Image src={alert} alt="Alert Icon" />
            </p>
          )}
        </div>

        <div>
          <label className="text-[14px] leading-5 text-gray-700">
            Пароль потверждения
          </label>
          <div
            className={`flex items-center border border-gray-300 rounded-lg shadow-sm bg-white${
              errors?.password_repeat?.message && "border border-red-400"
            }`}
          >
            <input
              placeholder="Пароль потверждения"
              className="w-full text-[16px] leading-6 text-gray-900 px-[10px] py-[14px] "
              type={showPasswordTwo ? "text" : "password"}
              {...register("password_repeat", { required: true })}
            />
            <button
              onClick={() => setShowPasswordTwo((prev) => !prev)}
              type="button"
              className="pr-2"
            >
              <Image src={showPasswordTwo ? eye_on : eye_off} alt="Eye Icon" />
            </button>
          </div>
          {errors?.password_repeat?.message && (
            <p className="flex items-center justify-between text-[14px] font-normal leading-5 text-red-500">
              {errors.password_repeat.message}{" "}
              <Image src={alert} alt="Alert Icon" />
            </p>
          )}
        </div>
      </div>
      {errors.root && (
        <p className="text-sm leading-5 text-red-500">{errors.root.message}</p>
      )}
      {resError && <p className="text-sm leading-5 text-red-500">{resError}</p>}

      <div className="flex flex-col mt-[36px] gap-4">
        <button
          className="p-4 h-[50px] w-full font-bold leading-6 text-white bg-light-blue rounded-md"
          type="submit"
        >
          {loader ? <Loader /> : "Зарегистрироваться"}
        </button>
      </div>
    </form>
  );
};

export default SignUpForm;