'use client';

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

interface FacilityDetailHeaderProps {
  facilityId: number;
  children: React.ReactNode;
}

export default function FacilityDetailHeader({ facilityId, children }: FacilityDetailHeaderProps) {
  const { locale } = useTranslation();
  const [facilityDetail, setFacilityDetail] = useState<AdminClubDetail | null>(null);
  const [error, setError] = useState<AdminApiError | null>(null);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    loadFacilityDetail();
  }, [facilityId]);

  async function loadFacilityDetail() {
    setLoading(true);
    const result = await getAdminClubDetail(facilityId);

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

    setLoading(false);
  }

  // Loading state
  if (loading) {
    return (
      <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-20">
        <div className="flex flex-col items-center justify-center space-y-4">
          <Loader2 className="w-12 h-12 text-slate-900 animate-spin" />
          <p className="text-slate-600 font-medium">Loading facility 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-20">
        <div className="max-w-2xl mx-auto">
          <div className="bg-amber-50 border-2 border-amber-200 rounded-2xl p-8">
            <div className="flex items-start space-x-4">
              <Lock className="w-8 h-8 text-amber-700 flex-shrink-0 mt-1" />
              <div>
                <h2 className="text-2xl font-bold text-slate-900 mb-4">
                  Authentication Required
                </h2>
                <p className="text-slate-700 leading-relaxed">
                  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-20">
        <div className="max-w-2xl mx-auto">
          <div className="bg-red-50 border-2 border-red-200 rounded-2xl 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-slate-900 mb-4">
                  Access Denied
                </h2>
                <p className="text-slate-700 mb-6 leading-relaxed">
                  {error.detail}
                </p>
                <Link
                  href={`/${locale}/admin/facilities`}
                  className="inline-flex items-center px-4 py-2 bg-slate-900 text-white font-semibold rounded-lg hover:bg-slate-800 transition-colors"
                >
                  <ArrowLeft className="w-4 h-4 mr-2" />
                  Back to facilities
                </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-20">
        <div className="max-w-2xl mx-auto">
          <div className="bg-red-50 border-2 border-red-200 rounded-2xl 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 className="flex-1">
                <h2 className="text-2xl font-bold text-slate-900 mb-4">
                  Error Loading Facility
                </h2>
                <p className="text-slate-700 mb-4 leading-relaxed">
                  {error.detail}
                </p>
                <p className="text-sm text-slate-600 font-mono mb-6">
                  Error code: {error.code}
                </p>
                <Link
                  href={`/${locale}/admin/facilities`}
                  className="inline-flex items-center px-4 py-2 bg-slate-900 text-white font-semibold rounded-lg hover:bg-slate-800 transition-colors"
                >
                  <ArrowLeft className="w-4 h-4 mr-2" />
                  Back to facilities
                </Link>
              </div>
            </div>
          </div>
        </div>
      </div>
    );
  }

  if (!facilityDetail) {
    return null;
  }

  return (
    <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
      {/* Breadcrumb */}
      <div className="mb-8">
        <Link
          href={`/${locale}/admin/facilities`}
          className="inline-flex items-center text-slate-600 hover:text-slate-900 font-medium transition-colors"
        >
          <ArrowLeft className="w-4 h-4 mr-2" />
          Back to facilities
        </Link>
      </div>

      {/* Facility Header */}
      <div className="mb-8">
        <h1 className="text-4xl font-bold text-slate-900 mb-2 tracking-tight">
          {facilityDetail.facility.name}
        </h1>
        <p className="text-lg text-slate-600 font-light">
          {facilityDetail.facility.timezone}
        </p>
      </div>

      {/* Tab Navigation */}
      <FacilityTabNavigation facilityId={facilityId} />

      {/* Content */}
      {children}
    </div>
  );
}