import { Fragment, useImperativeHandle, useState } from 'react'
import { Dialog, Transition } from '@headlessui/react'
import DarkModeButton from '@/components/DarkModeButton'
import Link from 'next/link'
import TagGroups from './TagGroups'

/**
 * 侧边抽屉
 */
export default function SlideOver(props) {
  const { cRef, tagOptions } = props
  const [open, setOpen] = useState(false)

  /**
              * 函数组件暴露方法useImperativeHandle
              */
  useImperativeHandle(cRef, () => ({
    toggleSlideOvers: toggleSlideOvers
  }))

  const toggleSlideOvers = () => {
    setOpen(!open)
  }

  return (
        <Transition.Root show={open} as={Fragment}>
            <Dialog as="div" className="relative z-20" onClose={setOpen}>
                <Transition.Child
                    as={Fragment}
                    enter="ease-in-out duration-500"
                    enterFrom="opacity-0"
                    enterTo="opacity-100"
                    leave="ease-in-out duration-500"
                    leaveFrom="opacity-100"
                    leaveTo="opacity-0"
                >
                    <div className="fixed inset-0 glassmorphism bg-black bg-opacity-30 transition-opacity" />
                </Transition.Child>

                <div className="fixed inset-0 overflow-hidden">
                    <div className="absolute inset-0 overflow-hidden">
                        <div className="pointer-events-none fixed inset-y-0 right-0 flex max-w-full pl-10">
                            <Transition.Child
                                as={Fragment}
                                enter="transform transition ease-in-out duration-500 sm:duration-700"
                                enterFrom="translate-x-full"
                                enterTo="translate-x-0"
                                leave="transform transition ease-in-out duration-500 sm:duration-700"
                                leaveFrom="translate-x-0"
                                leaveTo="translate-x-full"
                            >
                                <Dialog.Panel className="pointer-events-auto relative w-96 max-w-md">
                                    <Transition.Child
                                        as={Fragment}
                                        enter="ease-in-out duration-500"
                                        enterFrom="opacity-0"
                                        enterTo="opacity-100"
                                        leave="ease-in-out duration-500"
                                        leaveFrom="opacity-100"
                                        leaveTo="opacity-0"
                                    >
                                        <div className="absolute left-0 top-0 -ml-8 flex pr-2 pt-4 sm:-ml-10 sm:pr-4">
                                            <button
                                                type="button"
                                                className="rounded-md text-gray-300 hover:text-white focus:outline-none focus:ring-2 focus:ring-white"
                                                onClick={() => setOpen(false)}
                                            >
                                                <span className="sr-only">Close panel</span>
                                                <i className="fa-solid fa-xmark px-2"></i>
                                            </button>
                                        </div>
                                    </Transition.Child>
                                    {/* 内容 */}
                                    <div className="flex h-full flex-col overflow-y-scroll bg-white dark:bg-[#18171d] py-6 shadow-xl">
                                        <div className="relative mt-6 flex-1 flex-col space-y-3 px-4 sm:px-6 dark:text-white ">

                                            <section className='space-y-2 flex flex-col'>
                                                <div>功能</div>
                                                <div className={'flex justify-between items-center px-2 py-2 border dark:border-gray-600 bg-white dark:bg-[#ff953e]  rounded-lg'}> <DarkModeButton /> 显示模式</div>
                                            </section>

                                            <section className='space-y-2 flex flex-col'>
                                                <div>博客</div>

                                                <div className='gap-2 grid grid-cols-2'>
                                                    <Link href='/' className={'flex cursor-pointer justify-between items-center px-2 py-2 border dark:border-gray-600 bg-white hover:bg-blue-600 dark:bg-[#1e1e1e] rounded-lg'}>
                                                        主页
                                                    </Link>
                                                    <Link href='/about' className={'flex cursor-pointer justify-between items-center px-2 py-2 border dark:border-gray-600 bg-white hover:bg-blue-600 dark:bg-[#1e1e1e] rounded-lg'}>
                                                        关于
                                                    </Link>
                                                </div>
                                            </section>

                                            <section className='space-y-2 flex flex-col'>
                                                <div>标签</div>
                                                <TagGroups tags={tagOptions}/>
                                            </section>

                                        </div>
                                    </div>
                                </Dialog.Panel>
                            </Transition.Child>
                        </div>
                    </div>
                </div>
            </Dialog>
        </Transition.Root>
  )
}