import { useState, useEffect } from 'react';
import PageMeta from '../../components/common/PageMeta';
import { useToast } from '../../components/ui/toast/ToastContainer';
import { fetchAPI } from '../../services/api';
import { Card } from '../../components/ui/card';
import Badge from '../../components/ui/badge/Badge';

interface Subscription {
  id: number;
  account_name: string;
  status: string;
  current_period_start: string;
  current_period_end: string;
}

export default function Subscriptions() {
  const toast = useToast();
  const [subscriptions, setSubscriptions] = useState<Subscription[]>([]);
  const [loading, setLoading] = useState(true);

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

  const loadSubscriptions = async () => {
    try {
      setLoading(true);
      const response = await fetchAPI('/v1/auth/subscriptions/');
      setSubscriptions(response.results || []);
    } catch (error: any) {
      toast.error(`Failed to load subscriptions: ${error.message}`);
    } finally {
      setLoading(false);
    }
  };

  const getStatusColor = (status: string) => {
    switch (status) {
      case 'active':
        return 'success';
      case 'past_due':
        return 'warning';
      case 'canceled':
        return 'error';
      default:
        return 'primary';
    }
  };

  return (
    <div className="p-6">
      <PageMeta title="Subscriptions" />
      <div className="mb-6">
        <h1 className="text-2xl font-bold text-gray-900 dark:text-white">Subscriptions</h1>
        <p className="text-gray-600 dark:text-gray-400 mt-1">Manage account subscriptions</p>
      </div>

      {loading ? (
        <div className="flex items-center justify-center h-64">
          <div className="text-gray-500">Loading...</div>
        </div>
      ) : (
        <Card className="p-6">
          <div className="overflow-x-auto">
            <table className="w-full">
              <thead>
                <tr className="border-b border-gray-200 dark:border-gray-700">
                  <th className="text-left py-3 px-4 text-sm font-medium text-gray-700 dark:text-gray-300">Account</th>
                  <th className="text-left py-3 px-4 text-sm font-medium text-gray-700 dark:text-gray-300">Status</th>
                  <th className="text-left py-3 px-4 text-sm font-medium text-gray-700 dark:text-gray-300">Period Start</th>
                  <th className="text-left py-3 px-4 text-sm font-medium text-gray-700 dark:text-gray-300">Period End</th>
                </tr>
              </thead>
              <tbody>
                {subscriptions.map((subscription) => (
                  <tr key={subscription.id} className="border-b border-gray-100 dark:border-gray-800">
                    <td className="py-3 px-4 text-sm text-gray-900 dark:text-white">{subscription.account_name}</td>
                    <td className="py-3 px-4">
                      <Badge variant="light" color={getStatusColor(subscription.status) as any}>
                        {subscription.status}
                      </Badge>
                    </td>
                    <td className="py-3 px-4 text-sm text-gray-600 dark:text-gray-400">
                      {new Date(subscription.current_period_start).toLocaleDateString()}
                    </td>
                    <td className="py-3 px-4 text-sm text-gray-600 dark:text-gray-400">
                      {new Date(subscription.current_period_end).toLocaleDateString()}
                    </td>
                  </tr>
                ))}
              </tbody>
            </table>
          </div>
        </Card>
      )}
    </div>
  );
}