"use client";

import React, { useEffect, useState } from "react";
import { useRouter } from "next/navigation";
import { FaUserCircle, FaStar } from "react-icons/fa";
import TabBar from "../components/TabBar";

const API_BASE = process.env.NEXT_PUBLIC_API_BASE_URL;

const ValounterProfilePage = () => {
  const router = useRouter();

  const [profile, setProfile] = useState(null);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState("");

  const getAccessToken = () => {
    if (typeof window === "undefined") return null;
    const saved = localStorage.getItem("authUser");
    const authUser = saved ? JSON.parse(saved) : null;
    return authUser?.accessToken || null;
  };

  useEffect(() => {
    const fetchProfile = async () => {
      if (!API_BASE) {
        setError("API_BASE_URL не задан");
        setLoading(false);
        return;
      }
      const token = getAccessToken();
      if (!token) {
        setError("Вы не авторизованы");
        setLoading(false);
        return;
      }

      try {
        const res = await fetch(`${API_BASE}/users/me`, {
          headers: {
            Accept: "application/json",
            Authorization: `Bearer ${token}`,
          },
        });

        if (!res.ok) {
          let msg = "Не удалось загрузить профиль";
          try {
            const data = await res.json();
            if (data.error) msg = data.error;
          } catch {
            const text = await res.text();
            if (text) msg = text;
          }
          setError(msg);
          setLoading(false);
          return;
        }

        const data = await res.json(); // UserProfile[file:519]
        setProfile(data);
        setLoading(false);
      } catch (e) {
        setError(e.message || "Ошибка сети");
        setLoading(false);
      }
    };

    fetchProfile();
  }, []);

  const fullName =
    profile &&
    ([profile.first_name, profile.last_name].filter(Boolean).join(" ") ||
      profile.email);

  const rating =
    profile && profile.volunteer_rating != null
      ? Number(profile.volunteer_rating)
      : null;

  const birthDateText = profile?.created_at
    ? new Date(profile.created_at).toLocaleDateString("ru-RU")
    : "—";

  const email = profile?.email || "—";
  const phone = profile?.phone || "—";

  return (
    <div className="min-h-screen w-full bg-[#90D2F9] flex justify-center px-4">
      <div className="relative w-full max-w-md flex flex-col pb-20 pt-4">
        {/* Header */}
        <header className="flex items-center mb-4">
          <button
            type="button"
            onClick={() => router.back()}
            className="text-white w-8 h-8 rounded-full flex items-center justify-center text-lg"
          >
            ←
          </button>
          <h1 className="flex-1 text-center font-montserrat font-extrabold text-[20px] leading-[24px] text-white">
            Профиль
          </h1>
          <span className="w-8" />
        </header>

        <main className="bg-white rounded-3xl p-4 flex flex-col items-center gap-4 shadow-lg">
          {loading && (
            <p className="font-montserrat text-[14px] text-black">
              Загрузка профиля...
            </p>
          )}

          {error && !loading && (
            <p className="font-montserrat text-[12px] text-red-500">
              {error}
            </p>
          )}

          {!loading && profile && (
            <>
              {/* Аватар */}
              {profile.avatar_url ? (
                // eslint-disable-next-line @next/next/no-img-element
                <img
                  src={profile.avatar_url}
                  alt="Аватар"
                  className="w-20 h-20 rounded-full object-cover"
                />
              ) : (
                <FaUserCircle className="text-[#72B8E2] w-20 h-20" />
              )}

              {/* ФИО и рейтинг */}
              <div className="text-center space-y-1">
                <p className="font-montserrat font-bold text-[20px] text-black">
                  {fullName}
                </p>

                {rating != null && (
                  <div className="mt-2 flex items-center justify-center gap-2">
                    <span className="font-montserrat font-semibold text-[14px] text-black">
                      Рейтинг: {rating.toFixed(1)}
                    </span>
                    <div className="flex gap-1">
                      {[1, 2, 3, 4, 5].map((star) => (
                        <FaStar
                          key={star}
                          size={18}
                          className={
                            star <= Math.round(rating)
                              ? "text-[#F6E168] fill-[#F6E168]"
                              : "text-[#F6E168] fill-[#F6E168]/30"
                          }
                        />
                      ))}
                    </div>
                  </div>
                )}
              </div>

              {/* Контакты и «дата рождения» (условно) */}
              <div className="w-full bg-[#72B8E2] rounded-2xl p-3 text-white space-y-1">
                <p className="font-montserrat text-[12px]">
                  Дата регистрации: {birthDateText}
                </p>
                <p className="font-montserrat text-[12px]">Почта: {email}</p>
                <p className="font-montserrat text-[12px]">
                  Телефон: {phone}
                </p>
              </div>

              {/* Кнопки */}
              <div className="w-full flex flex-col gap-2 mt-2">
                <button
                  type="button"
                  onClick={() => router.push("/valounterProfileSettings")}
                  className="w-full bg-[#E0B267] rounded-full py-2 flex.items-center justify-center"
                >
                  <span className="font-montserrat font-extrabold text-[14px] text-white">
                    Редактировать профиль
                  </span>
                </button>
                <button
                  type="button"
                  className="w-full bg-[#E07567] rounded-full py-2 flex items-center justify-center"
                  onClick={() => {
                    if (typeof window !== "undefined") {
                      localStorage.removeItem("authUser");
                    }
                    router.push("/");
                  }}
                >
                  <span className="font-montserrat font-extrabold text-[14px] text-white">
                    Выйти из аккаунта
                  </span>
                </button>
              </div>
            </>
          )}
        </main>

        <TabBar />
      </div>
    </div>
  );
};

export default ValounterProfilePage;