import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

class DateTimePickerBottomSheet extends StatefulWidget {
  final DateTime? initialDateTime;
  final ValueChanged<DateTime> onDateTimeSelected;

  const DateTimePickerBottomSheet({
    super.key,
    this.initialDateTime,
    required this.onDateTimeSelected,
  });

  @override
  State<DateTimePickerBottomSheet> createState() =>
      _DateTimePickerBottomSheetState();
}

class _DateTimePickerBottomSheetState extends State<DateTimePickerBottomSheet> {
  late DateTime _selectedDateTime;

  @override
  void initState() {
    super.initState();
    _selectedDateTime = widget.initialDateTime ?? DateTime.now();
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 300,
      padding: const EdgeInsets.all(16),
      child: Column(
        children: [
          // 标题和按钮
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              TextButton(
                onPressed: () => Navigator.pop(context),
                child: const Text('取消', style: TextStyle(color: Colors.grey)),
              ),
              TextButton(
                onPressed: () {
                  widget.onDateTimeSelected(_selectedDateTime);
                  Navigator.pop(context);
                },
                child: const Text('确定', style: TextStyle(color: Colors.blue)),
              ),
            ],
          ),
          const SizedBox(height: 10),

          // 时间选择器
          Expanded(
            child: CupertinoDatePicker(
              mode: CupertinoDatePickerMode.dateAndTime,
              initialDateTime: _selectedDateTime,
              onDateTimeChanged: (DateTime newDateTime) {
                setState(() {
                  _selectedDateTime = newDateTime;
                });
              },
              use24hFormat: true,
              minuteInterval: 1,
            ),
          ),
        ],
      ),
    );
  }
}