import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:intl/intl.dart';
import '../models/booking_result.dart';

const _orange = Color(0xFFFF6B00);
const _blue = Color(0xFF1A56DB);

class BookingConfirmationScreen extends StatelessWidget {
  final BookingResult result;

  const BookingConfirmationScreen({super.key, required this.result});

  @override
  Widget build(BuildContext context) {
    final fmt = DateFormat('MMM d, yyyy');
    final cs = Theme.of(context).colorScheme;

    return Scaffold(
      appBar: AppBar(
        title: const Text('Booking Confirmed'),
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.fromLTRB(24, 32, 24, 40),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            // Success badge
            Container(
              padding: const EdgeInsets.all(28),
              decoration: const BoxDecoration(
                color: Color(0xFFDEF7EC),
                shape: BoxShape.circle,
              ),
              child: const Icon(
                Icons.check_circle_outline_rounded,
                color: Color(0xFF057A55),
                size: 60,
              ),
            ),
            const SizedBox(height: 24),
            const Text(
              'Booking Confirmed!',
              style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
              textAlign: TextAlign.center,
            ),
            const SizedBox(height: 8),
            Text(
              result.vehicle.displayName,
              style: TextStyle(color: cs.onSurfaceVariant, fontSize: 16),
              textAlign: TextAlign.center,
            ),
            Text(
              result.vehicle.company.brand.displayName,
              style: TextStyle(color: cs.onSurfaceVariant, fontSize: 13),
            ),
            const SizedBox(height: 32),

            // Booking summary card
            Container(
              width: double.infinity,
              padding: const EdgeInsets.all(20),
              decoration: BoxDecoration(
                color: cs.surfaceContainerHigh,
                borderRadius: BorderRadius.circular(16),
                border: Border.all(color: cs.outlineVariant),
              ),
              child: Column(
                children: [
                  // Reference number
                  Container(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 16,
                      vertical: 10,
                    ),
                    decoration: BoxDecoration(
                      color: _blue.withValues(alpha: 0.08),
                      borderRadius: BorderRadius.circular(10),
                    ),
                    child: Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: [
                        Text(
                          'Booking Reference',
                          style: TextStyle(
                            color: cs.onSurfaceVariant,
                            fontSize: 13,
                          ),
                        ),
                        Text(
                          result.shortRef,
                          style: const TextStyle(
                            color: _blue,
                            fontWeight: FontWeight.bold,
                            fontSize: 17,
                            letterSpacing: 2,
                          ),
                        ),
                      ],
                    ),
                  ),
                  const SizedBox(height: 16),
                  _InfoRow(
                    label: 'Pick-up date',
                    value: fmt.format(result.startDate),
                  ),
                  const SizedBox(height: 10),
                  _InfoRow(
                    label: 'Drop-off date',
                    value: fmt.format(result.endDate),
                  ),
                  const SizedBox(height: 10),
                  _InfoRow(
                    label: 'Duration',
                    value:
                        '${result.days} day${result.days == 1 ? '' : 's'}',
                  ),
                  const Divider(height: 24),
                  _InfoRow(
                    label: 'Daily rate',
                    value:
                        '${result.vehicle.dailyRate.toStringAsFixed(2)} MAD/day',
                  ),
                  const SizedBox(height: 10),
                  _InfoRow(
                    label: 'Total',
                    value: '${result.total.toStringAsFixed(2)} MAD',
                    valueStyle: const TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: 17,
                    ),
                  ),
                ],
              ),
            ),
            const SizedBox(height: 16),

            // Email notice
            Container(
              padding: const EdgeInsets.all(14),
              decoration: BoxDecoration(
                color: const Color(0xFFF0F9FF),
                borderRadius: BorderRadius.circular(12),
                border: Border.all(color: const Color(0xFFBAE6FD)),
              ),
              child: const Row(
                children: [
                  Icon(
                    Icons.email_outlined,
                    color: Color(0xFF0369A1),
                    size: 18,
                  ),
                  SizedBox(width: 10),
                  Expanded(
                    child: Text(
                      'A confirmation has been sent to your email.',
                      style: TextStyle(
                        color: Color(0xFF0369A1),
                        fontSize: 13,
                      ),
                    ),
                  ),
                ],
              ),
            ),
            const SizedBox(height: 32),

            SizedBox(
              width: double.infinity,
              child: ElevatedButton(
                onPressed: () => context.go('/client'),
                style: ElevatedButton.styleFrom(
                  backgroundColor: _orange,
                  foregroundColor: Colors.white,
                  minimumSize: const Size.fromHeight(52),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(14),
                  ),
                  elevation: 0,
                ),
                child: const Text(
                  'Search More Cars',
                  style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class _InfoRow extends StatelessWidget {
  final String label;
  final String value;
  final TextStyle? valueStyle;

  const _InfoRow({required this.label, required this.value, this.valueStyle});

  @override
  Widget build(BuildContext context) {
    final cs = Theme.of(context).colorScheme;
    return Row(
      mainAxisAlignment: MainAxisAlignment.spaceBetween,
      children: [
        Text(
          label,
          style: TextStyle(color: cs.onSurfaceVariant, fontSize: 14),
        ),
        Text(
          value,
          style: valueStyle ??
              TextStyle(
                color: cs.onSurface,
                fontWeight: FontWeight.w600,
                fontSize: 14,
              ),
        ),
      ],
    );
  }
}