import { useState, useEffect } from "react";
import { getAllOrders, updateOrderStatus } from "../api/index";
import { useNavigate, useParams } from "react-router-dom";

const STATUSES = [
  { value: "new", label: "Новый" },
  { value: "packed", label: "Собран" },
  { value: "delivered", label: "Доставлен" },
  { value: "cancel", label: "Отменён" },
];

export default function AdminOrders() {
  const [orders, setOrders] = useState([]);
  const [loading, setLoading] = useState(true);

  const loadOrders = () => {
    getAllOrders()
      .then((res) => setOrders(res.data))
      .catch(() => { })
      .finally(() => setLoading(false));
  };

  useEffect(() => {
    loadOrders();
  }, []);

  const handleStatusChange = async (id, newStatus) => {
    try {
      await updateOrderStatus(id, { status: newStatus });
      setOrders((prev) =>
        prev.map((o) => (o.id === id ? { ...o, status: newStatus } : o)),
      );
    } catch {
      alert("Не удалось изменить статус");
    }
  };

  const navigate = useNavigate();

  if (loading) return <p className="text-white/60">Загрузка...</p>;

  return (
    <div className="flex flex-col gap-4">
      {orders.length === 0 ? (
        <p className="text-white/60">Заказов нет</p>
      ) : (
        orders.map((order) => (
          <div
            key={order.id}
            className="bg-white/5 rounded-lg p-4 border border-white/10 hover:bg-white/10"
            onClick={() => navigate(`/admin/orders/${order.id}`)}
          >
            {/* шапка: номер + селект статуса */}
            <div className="flex justify-between items-center mb-3">
              <span className="font-medium text-white">Заказ #{order.id}</span>
              <select
                value={order.status}
                onChange={(e) => handleStatusChange(order.id, e.target.value)}
                className="bg-slate-700 text-white text-sm rounded px-3 py-1 border border-white/10"
              >
                {STATUSES.map((s) => (
                  <option key={s.value} value={s.value}>
                    {s.label}
                  </option>
                ))}
              </select>
            </div>

            {/* товары заказа */}
            <div className="flex flex-col gap-2 mb-3 text-sm text-white/70">
              {order.items?.map((oi) => (
                <div key={oi.id} className="flex items-center gap-3">
                  <img
                    src={`/static/items/${oi.item?.avatar_url}`}
                    alt=""
                    className="w-20 h-20 object-cover rounded shrink-0"
                  />
                  <span className="grow">{oi.item?.name}</span>
                  <span className="whitespace-nowrap">
                    {oi.quantity} {oi.item?.unit} × {oi.price} ₽
                  </span>
                </div>
              ))}
            </div>

            {/* подвал: адрес + итог */}
            <div className="flex justify-between pt-2 border-t border-white/10 text-sm">
              <span className="text-white/50">{order.delivery_address}</span>
              <span className="font-medium text-white">
                Итого: {order.total_price} ₽
              </span>
            </div>
          </div>
        ))
      )}
    </div>
  );
}
