'use client';

import { Building, AlertCircle, Lock, Loader2, ArrowLeft, MapPin, Calendar, Server } from 'lucide-react';
import Link from 'next/link';
import { useEffect, useState } from 'react';
import { getAdminClubDetail } from '@/src/lib/api/admin-clubs';
import type { AdminClubDetail, AdminApiError } from '@/src/types/admin-api';
import useTranslation from '@/src/hooks/useTranslation';

interface AdminClubDetailProps {
  clubId: number;
}

export default function AdminClubDetailComponent({ clubId }: AdminClubDetailProps) {
  const { t, locale } = useTranslation();
  const [clubDetail, setClubDetail] = useState<AdminClubDetail | null>(null);
  const [error, setError] = useState<AdminApiError | null>(null);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    async function loadClubDetail() {
      setLoading(true);
      const result = await getAdminClubDetail(clubId);

      if (result.success) {
        setClubDetail(result.data);
        setError(null);
      } else {
        setError(result.error);
        setClubDetail(null);
      }

      setLoading(false);
    }

    loadClubDetail();
  }, [clubId]);

  // Loading state
  if (loading) {
    return (
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-16">
        <div className="flex flex-col items-center justify-center space-y-4">
          <Loader2 className="w-12 h-12 text-indigo-600 animate-spin" />
          <p className="text-gray-600">{t('Loading club details...')}</p>
        </div>
      </div>
    );
  }

  // Authentication error (401)
  if (error && error.status === 401) {
    return (
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-16">
        <div className="max-w-2xl mx-auto">
          <div className="bg-yellow-50 border border-yellow-200 rounded-xl p-8">
            <div className="flex items-start space-x-4">
              <Lock className="w-8 h-8 text-yellow-600 flex-shrink-0 mt-1" />
              <div>
                <h2 className="text-2xl font-bold text-gray-900 mb-4">
                  {t('Authentication Required')}
                </h2>
                <p className="text-gray-700 mb-4">
                  {t('Please log in to access the venue management portal.')}
                </p>
              </div>
            </div>
          </div>
        </div>
      </div>
    );
  }

  // Forbidden error (403)
  if (error && error.status === 403) {
    return (
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-16">
        <div className="max-w-2xl mx-auto">
          <div className="bg-red-50 border border-red-200 rounded-xl p-8">
            <div className="flex items-start space-x-4">
              <Lock className="w-8 h-8 text-red-600 flex-shrink-0 mt-1" />
              <div>
                <h2 className="text-2xl font-bold text-gray-900 mb-4">
                  {t('Access Denied')}
                </h2>
                <p className="text-gray-700 mb-4">
                  {error.detail}
                </p>
                <Link
                  href={`/${locale}/admin/clubs`}
                  className="inline-flex items-center text-indigo-600 hover:text-indigo-700 font-medium"
                >
                  <ArrowLeft className="w-4 h-4 mr-2" />
                  {t('Back to clubs')}
                </Link>
              </div>
            </div>
          </div>
        </div>
      </div>
    );
  }

  // Other API errors
  if (error) {
    return (
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-16">
        <div className="max-w-2xl mx-auto">
          <div className="bg-red-50 border border-red-200 rounded-xl p-8">
            <div className="flex items-start space-x-4">
              <AlertCircle className="w-8 h-8 text-red-600 flex-shrink-0 mt-1" />
              <div>
                <h2 className="text-2xl font-bold text-gray-900 mb-4">
                  {t('Error Loading Club')}
                </h2>
                <p className="text-gray-700 mb-4">
                  {error.detail}
                </p>
                <p className="text-sm text-gray-600 font-mono mb-4">
                  {t('Error code')}: {error.code}
                </p>
                <Link
                  href={`/${locale}/admin/clubs`}
                  className="inline-flex items-center text-indigo-600 hover:text-indigo-700 font-medium"
                >
                  <ArrowLeft className="w-4 h-4 mr-2" />
                  {t('Back to clubs')}
                </Link>
              </div>
            </div>
          </div>
        </div>
      </div>
    );
  }

  if (!clubDetail) {
    return null;
  }

  // Success - render club detail
  return (
    <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
      {/* Breadcrumb */}
      <div className="mb-6">
        <Link
          href={`/${locale}/admin/clubs`}
          className="inline-flex items-center text-gray-600 hover:text-gray-900"
        >
          <ArrowLeft className="w-4 h-4 mr-2" />
          {t('Back to clubs')}
        </Link>
      </div>

      {/* Club Header */}
      <div className="bg-white border border-gray-200 rounded-xl p-6 mb-6">
        <div className="flex items-start space-x-4">
          <div className="p-3 bg-indigo-100 rounded-lg">
            <Building className="w-8 h-8 text-indigo-600" />
          </div>
          <div className="flex-1">
            <h1 className="text-3xl font-bold text-gray-900 mb-2">
              {clubDetail.club.name}
            </h1>
            <div className="flex items-center text-gray-600 space-x-4">
              <div className="flex items-center">
                <MapPin className="w-4 h-4 mr-1" />
                <span>{clubDetail.club.timezone}</span>
              </div>
            </div>
          </div>
        </div>
      </div>

      {/* Provider Info */}
      <div className="bg-white border border-gray-200 rounded-xl p-6 mb-6">
        <div className="flex items-center space-x-3 mb-4">
          <Server className="w-5 h-5 text-gray-600" />
          <h2 className="text-xl font-bold text-gray-900">{t('Provider Information')}</h2>
        </div>
        <div className="space-y-3">
          <div className="flex justify-between">
            <span className="text-gray-600">{t('Type')}:</span>
            <span className="font-medium text-gray-900">{clubDetail.provider.remote_type}</span>
          </div>
          <div className="flex justify-between">
            <span className="text-gray-600">{t('Manages Slot Storage')}:</span>
            <span className="font-medium text-gray-900">
              {clubDetail.provider.capabilities.manages_slot_storage ? t('Yes') : t('No')}
            </span>
          </div>
          <div className="flex justify-between">
            <span className="text-gray-600">{t('Supports Payment Verification')}:</span>
            <span className="font-medium text-gray-900">
              {clubDetail.provider.capabilities.supports_payment_verification ? t('Yes') : t('No')}
            </span>
          </div>
        </div>
      </div>

      {/* Courts */}
      <div className="bg-white border border-gray-200 rounded-xl p-6 mb-6">
        <h2 className="text-xl font-bold text-gray-900 mb-4">{t('Courts')}</h2>
        {clubDetail.courts.length === 0 ? (
          <p className="text-gray-600">{t('No courts configured')}</p>
        ) : (
          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
            {clubDetail.courts.map((court) => (
              <div
                key={court.court_id}
                className="border border-gray-200 rounded-lg p-4"
              >
                <p className="font-medium text-gray-900">{court.name}</p>
              </div>
            ))}
          </div>
        )}
      </div>

      {/* Slot Definitions */}
      <div className="bg-white border border-gray-200 rounded-xl p-6 mb-6">
        <div className="flex items-center space-x-3 mb-4">
          <Calendar className="w-5 h-5 text-gray-600" />
          <h2 className="text-xl font-bold text-gray-900">{t('Slot Definitions')}</h2>
        </div>
        {clubDetail.slot_definitions.length === 0 ? (
          <p className="text-gray-600">{t('No slot definitions configured')}</p>
        ) : (
          <div className="space-y-3">
            {clubDetail.slot_definitions.map((slotDef, index) => (
              <div
                key={index}
                className="border border-gray-200 rounded-lg p-4"
              >
                <p className="text-sm text-gray-600">{t('Slot definition')} #{index + 1}</p>
              </div>
            ))}
          </div>
        )}
      </div>

      {/* Upcoming Slots */}
      <div className="bg-white border border-gray-200 rounded-xl p-6">
        <h2 className="text-xl font-bold text-gray-900 mb-4">{t('Upcoming Slots')}</h2>
        {clubDetail.upcoming_slots.length === 0 ? (
          <p className="text-gray-600">{t('No upcoming slots available')}</p>
        ) : (
          <div className="space-y-3">
            {clubDetail.upcoming_slots.map((slot, index) => (
              <div
                key={index}
                className="border border-gray-200 rounded-lg p-4"
              >
                <p className="text-sm text-gray-600">{t('Slot')} #{index + 1}</p>
              </div>
            ))}
          </div>
        )}
      </div>
    </div>
  );
}