import { useState, useCallback } from "react";
import { API_URL } from "../config/authConstants";

/**
 * Загружает объявления текущего пользователя по userId.
 */
export function useMyPosts(userId) {
  const [myAds, setMyAds] = useState([]);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState("");

  const loadMyPosts = useCallback(async () => {
    if (!userId) return;
    setLoading(true);
    setError("");
    try {
      const res = await fetch(`${API_URL}/api/v1/posts/${userId}`);
      if (res.status === 404) {
        setMyAds([]);
        return;
      }
      if (!res.ok) throw new Error(`Error ${res.status}`);
      const data = await res.json();
      const posts = Array.isArray(data) ? data : (data.items ?? []);
      const normalizedPosts = posts.map(ad => ({
        ...ad,
        type: ad.type ? ad.type.toLowerCase() : "loss",
      }));
      setMyAds(normalizedPosts);
    } catch (err) {
      setError(err.message || "Failed to load your ads");
    } finally {
      setLoading(false);
    }
  }, [userId]);

  return { myAds, loading, error, loadMyPosts };
}