import React, { useState, useRef, useEffect } from 'react';

interface SettingsPopoverProps {
  dayStart: string;
  dayEnd: string;
  wakeupRef: string;
  bedtimeRef: string;
  onSave: (settings: { dayStart: string; dayEnd: string; wakeupRef: string; bedtimeRef: string }) => void;
}

export function SettingsPopover({ dayStart, dayEnd, wakeupRef, bedtimeRef, onSave }: SettingsPopoverProps) {
  const [isOpen, setIsOpen] = useState(false);
  const [localDayStart, setLocalDayStart] = useState(dayStart);
  const [localDayEnd, setLocalDayEnd] = useState(dayEnd);
  const [localWakeupRef, setLocalWakeupRef] = useState(wakeupRef);
  const [localBedtimeRef, setLocalBedtimeRef] = useState(bedtimeRef);
  const popoverRef = useRef<HTMLDivElement>(null);

  useEffect(() => {
    setLocalDayStart(dayStart);
    setLocalDayEnd(dayEnd);
    setLocalWakeupRef(wakeupRef);
    setLocalBedtimeRef(bedtimeRef);
  }, [dayStart, dayEnd, wakeupRef, bedtimeRef]);

  useEffect(() => {
    const handleClickOutside = (e: MouseEvent) => {
      if (popoverRef.current && !popoverRef.current.contains(e.target as Node)) {
        setIsOpen(false);
      }
    };
    if (isOpen) {
      document.addEventListener('mousedown', handleClickOutside);
    }
    return () => document.removeEventListener('mousedown', handleClickOutside);
  }, [isOpen]);

  const handleSave = () => {
    onSave({
      dayStart: localDayStart,
      dayEnd: localDayEnd,
      wakeupRef: localWakeupRef,
      bedtimeRef: localBedtimeRef,
    });
    setIsOpen(false);
  };

  return (
    <div className="relative" ref={popoverRef}>
      <button
        onClick={() => setIsOpen(!isOpen)}
        className="p-2 text-gray-500 hover:text-gray-700"
        aria-label="Settings"
      >
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
        </svg>
      </button>

      {isOpen && (
        <div className="absolute right-0 top-full mt-2 w-64 bg-white rounded-xl shadow-lg border border-gray-200 p-4 z-50">
          <h4 className="font-semibold text-gray-800 mb-4">Settings</h4>
          
          <div className="space-y-3">
            <div>
<label htmlFor="day-start" className="block text-xs text-gray-500 mb-1">Day starts (HH:MM)</label>
<input
  id="day-start"
  type="time"
  value={localDayStart}
  onChange={(e) => setLocalDayStart(e.target.value)}
  className="w-full p-2 border rounded-md text-sm"
/>
            </div>
            <div>
<label htmlFor="day-end" className="block text-xs text-gray-500 mb-1">Day ends (HH:MM)</label>
<input
  id="day-end"
  type="time"
  value={localDayEnd}
  onChange={(e) => setLocalDayEnd(e.target.value)}
  className="w-full p-2 border rounded-md text-sm"
/>
            </div>
            <div>
<label htmlFor="wakeup-ref" className="block text-xs text-gray-500 mb-1">Wakeup ref (HH:MM)</label>
<input
  id="wakeup-ref"
  type="time"
  value={localWakeupRef}
  onChange={(e) => setLocalWakeupRef(e.target.value)}
  className="w-full p-2 border rounded-md text-sm"
/>
            </div>
            <div>
<label htmlFor="bedtime-ref" className="block text-xs text-gray-500 mb-1">Bedtime ref (HH:MM)</label>
<input
  id="bedtime-ref"
  type="time"
  value={localBedtimeRef}
  onChange={(e) => setLocalBedtimeRef(e.target.value)}
  className="w-full p-2 border rounded-md text-sm"
/>
            </div>
          </div>

          <button
            onClick={handleSave}
            className="w-full mt-4 py-2 bg-blue-600 text-white rounded-md text-sm font-medium hover:bg-blue-700"
          >
            Save
          </button>
        </div>
      )}
    </div>
  );
}