'use client';

import { motion, AnimatePresence } from 'framer-motion';
import { X, Copy, Check, ExternalLink } from 'lucide-react';
import { useState } from 'react';
import { OrderRecord } from '@/src/types';

interface OrderDetailsModalProps {
  order: OrderRecord | null;
  isOpen: boolean;
  onClose: () => void;
}

export function OrderDetailsModal({ order, isOpen, onClose }: OrderDetailsModalProps) {
  const [copiedField, setCopiedField] = useState<string | null>(null);

  if (!order) return null;

  const copyToClipboard = async (text: string, fieldName: string) => {
    try {
      await navigator.clipboard.writeText(text);
      setCopiedField(fieldName);
      setTimeout(() => setCopiedField(null), 2000);
    } catch (err) {
      console.error('Failed to copy:', err);
    }
  };

  const formatDate = (dateString: string | undefined) => {
    if (!dateString) return 'N/A';
    return new Date(dateString).toLocaleString('en-US', {
      year: 'numeric',
      month: 'long',
      day: 'numeric',
      hour: '2-digit',
      minute: '2-digit',
    });
  };

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

  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 CopyButton = ({ text, fieldName }: { text: string; fieldName: string }) => (
    <button
      type="button"
      onClick={() => copyToClipboard(text, fieldName)}
      className="ml-2 p-1 hover:bg-gray-100 rounded transition-colors"
      title="Copy to clipboard"
    >
      {copiedField === fieldName ? (
        <Check className="w-4 h-4 text-green-600" />
      ) : (
        <Copy className="w-4 h-4 text-deep-sea-blue/40" />
      )}
    </button>
  );

  const DetailField = ({
    label,
    value,
    copyable = false,
    fieldName = '',
  }: {
    label: string;
    value: string | number | undefined | null;
    copyable?: boolean;
    fieldName?: string;
  }) => {
    const displayValue = value || 'N/A';
    return (
      <div className="py-3 border-b border-gray-100 last:border-0">
        <div className="text-xs font-medium text-deep-sea-blue/60 mb-1">{label}</div>
        <div className="flex items-center">
          <div className="text-sm text-deep-sea-blue font-medium">{displayValue}</div>
          {copyable && value && <CopyButton text={String(value)} fieldName={fieldName} />}
        </div>
      </div>
    );
  };

  const SectionHeader = ({ title }: { title: string }) => (
    <h3 className="text-lg font-bold text-deep-sea-blue mb-4 flex items-center">
      <div className="w-1 h-6 bg-deep-sea-blue rounded-full mr-3"></div>
      {title}
    </h3>
  );

  return (
    <AnimatePresence>
      {isOpen && (
        <>
          {/* Backdrop */}
          <motion.div
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            onClick={onClose}
            className="fixed inset-0 bg-black/50 z-40"
          />

          {/* Sliding Panel */}
          <motion.div
            initial={{ x: '100%' }}
            animate={{ x: 0 }}
            exit={{ x: '100%' }}
            transition={{ type: 'spring', damping: 30, stiffness: 300 }}
            className="fixed right-0 top-0 bottom-0 w-full max-w-2xl bg-white shadow-2xl z-50 overflow-hidden flex flex-col"
          >
            {/* Header */}
            <div className="flex items-center justify-between p-6 border-b border-gray-200 bg-gray-50">
              <div>
                <h2 className="text-2xl font-bold text-deep-sea-blue">Order Details</h2>
                <p className="text-sm text-deep-sea-blue/60 mt-1">
                  ID: {order.orderId.substring(0, 12)}...
                </p>
              </div>
              <button
                type="button"
                onClick={onClose}
                className="p-2 hover:bg-gray-200 rounded-lg transition-colors"
              >
                <X className="w-6 h-6 text-deep-sea-blue" />
              </button>
            </div>

            {/* Scrollable Content */}
            <div className="flex-1 overflow-y-auto p-6 space-y-8">
              {/* Order Information */}
              <section>
                <SectionHeader title="Order Information" />
                <div className="bg-gray-50 rounded-xl p-4">
                  <DetailField label="Order ID" value={order.orderId} copyable fieldName="orderId" />
                  <div className="py-3 border-b border-gray-100">
                    <div className="text-xs font-medium text-deep-sea-blue/60 mb-1">Status</div>
                    <span
                      className={`inline-flex items-center px-3 py-1 rounded-full text-xs font-semibold ${getStatusBadgeClass(
                        order.status
                      )}`}
                    >
                      {order.status.charAt(0).toUpperCase() + order.status.slice(1)}
                    </span>
                  </div>
                  <DetailField label="Source" value={order.source || 'web'} />
                  <DetailField label="Created At" value={formatDate(order.CreatedAt)} />
                  <DetailField label="Last Updated" value={formatDate(order.UpdatedAt)} />
                </div>
              </section>

              {/* Payment Details */}
              <section>
                <SectionHeader title="Payment Details" />
                <div className="bg-gray-50 rounded-xl p-4">
                  <DetailField
                    label="Total Amount"
                    value={formatCurrency(order.totalAmount, order.currency)}
                  />
                  <DetailField
                    label="Base Amount"
                    value={formatCurrency(order.baseAmount, order.currency)}
                  />
                  <DetailField
                    label="Processing Fee"
                    value={formatCurrency(order.processingFee, order.currency)}
                  />
                  <DetailField label="Currency" value={order.currency} />
                  {order.amountUSD && (
                    <DetailField label="Amount (USD)" value={formatCurrency(order.amountUSD, 'USD')} />
                  )}
                  <DetailField label="Payment Method" value={order.paymentMethod} />
                  <DetailField
                    label="Stripe Session ID"
                    value={order.stripeSessionId}
                    copyable
                    fieldName="stripeSessionId"
                  />
                  <DetailField
                    label="Stripe Payment Intent"
                    value={order.stripePaymentIntent}
                    copyable
                    fieldName="stripePaymentIntent"
                  />
                  <DetailField
                    label="Stripe Customer ID"
                    value={order.stripeCustomerId}
                    copyable
                    fieldName="stripeCustomerId"
                  />
                </div>
              </section>

              {/* Customer Information */}
              <section>
                <SectionHeader title="Customer Information" />
                <div className="bg-gray-50 rounded-xl p-4">
                  <DetailField label="Name" value={order.customerName} />
                  <DetailField label="Email" value={order.customerEmail} copyable fieldName="email" />
                  <DetailField label="Phone" value={order.customerPhone} />
                  {order.businessName && (
                    <>
                      <DetailField label="Business Name" value={order.businessName} />
                      <DetailField label="Tax ID Type" value={order.taxIdType} />
                      <DetailField
                        label="Tax ID Value"
                        value={order.taxIdValue}
                        copyable
                        fieldName="taxId"
                      />
                    </>
                  )}
                </div>
              </section>

              {/* Billing Address */}
              <section>
                <SectionHeader title="Billing Address" />
                <div className="bg-gray-50 rounded-xl p-4">
                  <DetailField label="Address Line 1" value={order.billingLine1} />
                  <DetailField label="Address Line 2" value={order.billingLine2} />
                  <DetailField label="City" value={order.billingCity} />
                  <DetailField label="State/Province" value={order.billingState} />
                  <DetailField label="Postal Code" value={order.billingPostalCode} />
                  <DetailField label="Country" value={order.billingCountry} />
                </div>
              </section>

              {/* Carbon Offset Details */}
              <section>
                <SectionHeader title="Carbon Offset Details" />
                <div className="bg-gray-50 rounded-xl p-4">
                  <div className="py-3 border-b border-gray-100">
                    <div className="text-xs font-medium text-deep-sea-blue/60 mb-1">CO₂ Offset</div>
                    <span className="inline-flex items-center px-3 py-1 rounded-full text-sm font-semibold bg-sea-green/20 text-sea-green border border-sea-green/30">
                      {parseFloat(order.co2Tons).toFixed(2)} tons
                    </span>
                  </div>
                  <DetailField label="Portfolio ID" value={order.portfolioId} />
                  <DetailField label="Portfolio Name" value={order.portfolioName} />
                  <DetailField
                    label="Wren Order ID"
                    value={order.wrenOrderId}
                    copyable
                    fieldName="wrenOrderId"
                  />
                  {order.certificateUrl && (
                    <div className="py-3">
                      <div className="text-xs font-medium text-deep-sea-blue/60 mb-1">
                        Certificate URL
                      </div>
                      <a
                        href={order.certificateUrl}
                        target="_blank"
                        rel="noopener noreferrer"
                        className="text-sm text-maritime-teal hover:text-maritime-teal/80 flex items-center font-medium"
                      >
                        View Certificate
                        <ExternalLink className="w-4 h-4 ml-1" />
                      </a>
                    </div>
                  )}
                  <DetailField label="Fulfilled At" value={formatDate(order.fulfilledAt)} />
                </div>
              </section>

              {/* Vessel Information (if applicable) */}
              {(order.vesselName || order.imoNumber || order.vesselType || order.vesselLength) && (
                <section>
                  <SectionHeader title="Vessel Information" />
                  <div className="bg-gray-50 rounded-xl p-4">
                    <DetailField label="Vessel Name" value={order.vesselName} />
                    <DetailField label="IMO Number" value={order.imoNumber} />
                    <DetailField label="Vessel Type" value={order.vesselType} />
                    <DetailField
                      label="Vessel Length"
                      value={order.vesselLength ? `${order.vesselLength}m` : undefined}
                    />
                  </div>
                </section>
              )}

              {/* Trip Details (if applicable) */}
              {(order.departurePort ||
                order.arrivalPort ||
                order.distance ||
                order.avgSpeed ||
                order.duration ||
                order.enginePower) && (
                <section>
                  <SectionHeader title="Trip Details" />
                  <div className="bg-gray-50 rounded-xl p-4">
                    <DetailField label="Departure Port" value={order.departurePort} />
                    <DetailField label="Arrival Port" value={order.arrivalPort} />
                    <DetailField
                      label="Distance"
                      value={order.distance ? `${order.distance} nm` : undefined}
                    />
                    <DetailField
                      label="Average Speed"
                      value={order.avgSpeed ? `${order.avgSpeed} knots` : undefined}
                    />
                    <DetailField
                      label="Duration"
                      value={order.duration ? `${order.duration} hours` : undefined}
                    />
                    <DetailField
                      label="Engine Power"
                      value={order.enginePower ? `${order.enginePower} HP` : undefined}
                    />
                  </div>
                </section>
              )}

              {/* Admin Notes */}
              {order.notes && (
                <section>
                  <SectionHeader title="Admin Notes" />
                  <div className="bg-gray-50 rounded-xl p-4">
                    <p className="text-sm text-deep-sea-blue whitespace-pre-wrap">{order.notes}</p>
                  </div>
                </section>
              )}
            </div>

            {/* Footer */}
            <div className="flex items-center justify-end gap-3 p-6 border-t border-gray-200 bg-gray-50">
              <button
                type="button"
                onClick={onClose}
                className="px-6 py-2.5 text-sm font-medium text-deep-sea-blue bg-white border border-light-gray-border rounded-lg hover:bg-gray-50 transition-colors"
              >
                Close
              </button>
            </div>
          </motion.div>
        </>
      )}
    </AnimatePresence>
  );
}