'use client';

import { motion } from 'framer-motion';
import { ChevronUp, ChevronDown, Eye, Loader2 } from 'lucide-react';
import { OrderRecord } from '@/src/types';

interface OrdersTableProps {
  orders: OrderRecord[];
  isLoading?: boolean;
  onViewDetails: (order: OrderRecord) => void;
  totalCount: number;
  currentPage: number;
  pageSize: number;
  onPageChange: (page: number) => void;
  onPageSizeChange: (size: number) => void;
  onSort: (key: keyof OrderRecord) => void;
  sortKey: keyof OrderRecord | null;
  sortOrder: 'asc' | 'desc';
}

export function OrdersTable({
  orders,
  isLoading = false,
  onViewDetails,
  totalCount,
  currentPage,
  pageSize,
  onPageChange,
  onPageSizeChange,
  onSort,
  sortKey,
  sortOrder,
}: OrdersTableProps) {
  const totalPages = Math.ceil(totalCount / pageSize);

  const getStatusBadgeClass = (status: string) => {
    switch (status) {
      case 'pending':
        return 'bg-gradient-to-r from-muted-gold/20 to-orange-400/20 text-muted-gold border border-muted-gold/30';
      case 'paid':
        return 'bg-gradient-to-r from-maritime-teal/20 to-teal-400/20 text-maritime-teal border border-maritime-teal/30';
      case 'fulfilled':
        return 'bg-gradient-to-r from-sea-green/20 to-green-400/20 text-sea-green border border-sea-green/30';
      case 'cancelled':
        return 'bg-gradient-to-r from-red-500/20 to-red-400/20 text-red-600 border border-red-500/30';
      default:
        return 'bg-gray-100 text-gray-700 border border-gray-300';
    }
  };

  const formatDate = (dateString: string) => {
    return new Date(dateString).toLocaleDateString('en-US', {
      year: 'numeric',
      month: 'short',
      day: 'numeric',
      hour: '2-digit',
      minute: '2-digit',
    });
  };

  const formatCurrency = (amount: string, currency: string = 'USD') => {
    const numAmount = parseFloat(amount) / 100;
    return new Intl.NumberFormat('en-US', {
      style: 'currency',
      currency: currency || 'USD',
    }).format(numAmount);
  };

  const getSortIcon = (column: keyof OrderRecord) => {
    if (sortKey !== column) {
      return <ChevronUp className="w-4 h-4 text-gray-400" />;
    }
    return sortOrder === 'asc' ? (
      <ChevronUp className="w-4 h-4 text-deep-sea-blue" />
    ) : (
      <ChevronDown className="w-4 h-4 text-deep-sea-blue" />
    );
  };

  if (isLoading) {
    return (
      <div className="bg-white border border-light-gray-border rounded-xl overflow-hidden">
        <div className="flex items-center justify-center h-64">
          <Loader2 className="w-8 h-8 text-deep-sea-blue animate-spin" />
        </div>
      </div>
    );
  }

  if (orders.length === 0) {
    return (
      <div className="bg-white border border-light-gray-border rounded-xl overflow-hidden">
        <div className="flex flex-col items-center justify-center h-64 text-center px-4">
          <div className="text-6xl mb-4">📦</div>
          <h3 className="text-xl font-bold text-deep-sea-blue mb-2">No Orders Found</h3>
          <p className="text-deep-sea-blue/60">There are no orders matching your criteria.</p>
        </div>
      </div>
    );
  }

  return (
    <div className="bg-white border border-light-gray-border rounded-xl overflow-hidden">
      {/* Table */}
      <div className="overflow-x-auto">
        <table className="w-full">
          <thead className="bg-gray-50 border-b border-light-gray-border">
            <tr>
              <th
                onClick={() => onSort('orderId')}
                className="px-6 py-4 text-left text-xs font-semibold text-deep-sea-blue uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors"
              >
                <div className="flex items-center space-x-1">
                  <span>Order ID</span>
                  {getSortIcon('orderId')}
                </div>
              </th>
              <th
                onClick={() => onSort('customerName')}
                className="px-6 py-4 text-left text-xs font-semibold text-deep-sea-blue uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors"
              >
                <div className="flex items-center space-x-1">
                  <span>Customer</span>
                  {getSortIcon('customerName')}
                </div>
              </th>
              <th
                onClick={() => onSort('totalAmount')}
                className="px-6 py-4 text-left text-xs font-semibold text-deep-sea-blue uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors"
              >
                <div className="flex items-center space-x-1">
                  <span>Amount</span>
                  {getSortIcon('totalAmount')}
                </div>
              </th>
              <th
                onClick={() => onSort('co2Tons')}
                className="px-6 py-4 text-left text-xs font-semibold text-deep-sea-blue uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors"
              >
                <div className="flex items-center space-x-1">
                  <span>CO₂ Offset</span>
                  {getSortIcon('co2Tons')}
                </div>
              </th>
              <th
                onClick={() => onSort('status')}
                className="px-6 py-4 text-left text-xs font-semibold text-deep-sea-blue uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors"
              >
                <div className="flex items-center space-x-1">
                  <span>Status</span>
                  {getSortIcon('status')}
                </div>
              </th>
              <th
                onClick={() => onSort('CreatedAt')}
                className="px-6 py-4 text-left text-xs font-semibold text-deep-sea-blue uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors"
              >
                <div className="flex items-center space-x-1">
                  <span>Created</span>
                  {getSortIcon('CreatedAt')}
                </div>
              </th>
              <th className="px-6 py-4 text-right text-xs font-semibold text-deep-sea-blue uppercase tracking-wider">
                Actions
              </th>
            </tr>
          </thead>
          <tbody className="divide-y divide-light-gray-border">
            {orders.map((order, index) => (
              <motion.tr
                key={order.Id}
                initial={{ opacity: 0, y: 10 }}
                animate={{ opacity: 1, y: 0 }}
                transition={{ delay: index * 0.05 }}
                className="hover:bg-gray-50 transition-colors"
              >
                <td className="px-6 py-4 whitespace-nowrap">
                  <div className="text-sm font-mono text-deep-sea-blue">
                    {order.orderId ? `${order.orderId.substring(0, 8)}...` : 'N/A'}
                  </div>
                </td>
                <td className="px-6 py-4">
                  <div className="text-sm font-medium text-deep-sea-blue">{order.customerName}</div>
                  <div className="text-xs text-deep-sea-blue/60">{order.customerEmail}</div>
                </td>
                <td className="px-6 py-4 whitespace-nowrap">
                  <div className="text-sm font-semibold text-deep-sea-blue">
                    {formatCurrency(order.totalAmount, order.currency)}
                  </div>
                </td>
                <td className="px-6 py-4 whitespace-nowrap">
                  <span className="inline-flex items-center px-3 py-1 rounded-full text-xs font-semibold bg-sea-green/20 text-sea-green border border-sea-green/30">
                    {parseFloat(order.co2Tons).toFixed(2)} tons
                  </span>
                </td>
                <td className="px-6 py-4 whitespace-nowrap">
                  <span
                    className={`inline-flex items-center px-3 py-1 rounded-full text-xs font-semibold ${getStatusBadgeClass(
                      order.status
                    )}`}
                  >
                    {order.status ? order.status.charAt(0).toUpperCase() + order.status.slice(1) : 'Unknown'}
                  </span>
                </td>
                <td className="px-6 py-4 whitespace-nowrap text-sm text-deep-sea-blue/70">
                  {formatDate(order.CreatedAt)}
                </td>
                <td className="px-6 py-4 whitespace-nowrap text-right">
                  <button
                    onClick={() => onViewDetails(order)}
                    className="inline-flex items-center px-3 py-1.5 text-sm font-medium text-deep-sea-blue bg-deep-sea-blue/10 hover:bg-deep-sea-blue hover:text-white rounded-lg transition-colors"
                  >
                    <Eye className="w-4 h-4 mr-1" />
                    View
                  </button>
                </td>
              </motion.tr>
            ))}
          </tbody>
        </table>
      </div>

      {/* Pagination */}
      <div className="px-6 py-4 border-t border-light-gray-border bg-gray-50">
        <div className="flex flex-col sm:flex-row items-center justify-between gap-4">
          <div className="flex items-center space-x-2">
            <span className="text-sm text-deep-sea-blue/70">Rows per page:</span>
            <select
              value={pageSize}
              onChange={(e) => onPageSizeChange(Number(e.target.value))}
              className="px-3 py-1.5 text-sm border border-light-gray-border rounded-lg bg-white text-deep-sea-blue focus:outline-none focus:ring-2 focus:ring-deep-sea-blue/20"
            >
              <option value={10}>10</option>
              <option value={25}>25</option>
              <option value={50}>50</option>
              <option value={100}>100</option>
            </select>
          </div>

          <div className="text-sm text-deep-sea-blue/70">
            Showing {(currentPage - 1) * pageSize + 1} to{' '}
            {Math.min(currentPage * pageSize, totalCount)} of {totalCount} orders
          </div>

          <div className="flex items-center space-x-2">
            <button
              onClick={() => onPageChange(currentPage - 1)}
              disabled={currentPage === 1}
              className="px-4 py-2 text-sm font-medium text-deep-sea-blue bg-white border border-light-gray-border rounded-lg hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
            >
              Previous
            </button>

            <div className="hidden sm:flex items-center space-x-1">
              {Array.from({ length: Math.min(totalPages, 5) }).map((_, i) => {
                let pageNumber;
                if (totalPages <= 5) {
                  pageNumber = i + 1;
                } else if (currentPage <= 3) {
                  pageNumber = i + 1;
                } else if (currentPage >= totalPages - 2) {
                  pageNumber = totalPages - 4 + i;
                } else {
                  pageNumber = currentPage - 2 + i;
                }

                if (pageNumber < 1 || pageNumber > totalPages) return null;

                return (
                  <button
                    key={pageNumber}
                    onClick={() => onPageChange(pageNumber)}
                    className={`px-3 py-2 text-sm font-medium rounded-lg transition-colors ${
                      currentPage === pageNumber
                        ? 'bg-deep-sea-blue text-white'
                        : 'text-deep-sea-blue bg-white border border-light-gray-border hover:bg-gray-50'
                    }`}
                  >
                    {pageNumber}
                  </button>
                );
              })}
            </div>

            <button
              onClick={() => onPageChange(currentPage + 1)}
              disabled={currentPage === totalPages}
              className="px-4 py-2 text-sm font-medium text-deep-sea-blue bg-white border border-light-gray-border rounded-lg hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
            >
              Next
            </button>
          </div>
        </div>
      </div>
    </div>
  );
}