"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { authService } from "@/lib/services/auth.service";
import { AppErrorType } from "@/types/global";
import { ERROR_CODES } from "@/constants/errorCodes";
import { ErrorMessage } from "@/components/ui/ErrorMessage";
import { useTranslate } from "@/hooks/useTranslate";
import { getErrorMessage } from "@/utils/errors";
import { AppError } from "@/utils/errors";

interface RegisterFormProps {
  from?: string;
}

export function RegisterForm({ from }: RegisterFormProps) {
  const router = useRouter();
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<AppErrorType | null>(null);
  const { t } = useTranslate();

  const handleSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
    event.preventDefault();
    setIsLoading(true);
    setError(null);

    const formData = new FormData(event.currentTarget);
    const email = formData.get("email") as string;
    const password = formData.get("password") as string;
    const confirmPassword = formData.get("confirmPassword") as string;

    if (password !== confirmPassword) {
      setError({
        code: ERROR_CODES.AUTH.PASSWORD_MISMATCH,
        name: "Password mismatch",
        message: getErrorMessage(ERROR_CODES.AUTH.PASSWORD_MISMATCH),
      });
      setIsLoading(false);
      return;
    }

    try {
      await authService.register(email, password);
      router.push(from || "/");
      router.refresh();
    } catch (error) {
      setError(error as AppErrorType);
    } finally {
      setIsLoading(false);
    }
  };

  return (
    <form onSubmit={handleSubmit} className="space-y-4">
      <div className="space-y-2">
        <label
          htmlFor="email"
          className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
        >
          {t("login.form.email")}
        </label>
        <input
          id="email"
          name="email"
          type="email"
          autoComplete="email"
          required
          className="flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50"
        />
      </div>
      <div className="space-y-2">
        <label
          htmlFor="password"
          className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
        >
          {t("login.form.password")}
        </label>
        <input
          id="password"
          name="password"
          type="password"
          autoComplete="new-password"
          required
          className="flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50"
        />
      </div>
      <div className="space-y-2">
        <label
          htmlFor="confirmPassword"
          className="text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
        >
          {t("login.form.confirmPassword")}
        </label>
        <input
          id="confirmPassword"
          name="confirmPassword"
          type="password"
          autoComplete="new-password"
          required
          className="flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50"
        />
      </div>
      {error && <ErrorMessage errorCode={error.code} variant="form" />}
      <button
        type="submit"
        disabled={isLoading}
        className="inline-flex w-full items-center justify-center rounded-md bg-primary px-4 py-2 text-sm font-medium text-primary-foreground ring-offset-background transition-colors hover:bg-primary/90 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50"
      >
        {isLoading ? t("login.form.submit.loading.register") : t("login.form.submit.register")}
      </button>
    </form>
  );
}
