import { Fragment,useState } from 'react';
import { faShuffle } from '@fortawesome/free-solid-svg-icons';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { Menu, Transition } from '@headlessui/react';


/**
 * This is the menu that is used to (re)generate secrets (currently we only have ranom hex, in future we will have more options)
 * @returns the popup-menu for randomly generating secrets
 */
const GenerateSecretMenu = ({ modifyValue, position }: { modifyValue: (value: string, position: number) => void; position: number; }) => {
  const [randomStringLength, setRandomStringLength] = useState(32);

  return <Menu as="div" className="relative inline-block text-left">
    <div>
      <Menu.Button className="inline-flex w-full justify-center rounded-md text-sm font-medium text-gray-200 rounded-md hover:bg-white/10 duration-200 focus:outline-none focus-visible:ring-2 focus-visible:ring-white focus-visible:ring-opacity-75">
        <div className='py-1 px-2 rounded-md bg-bunker-800 hover:bg-bunker-500'>
          <FontAwesomeIcon icon={faShuffle} className='text-bunker-300'/>
        </div>
      </Menu.Button>
    </div>
    <Transition
      as={Fragment}
      enter="transition ease-out duration-100"
      enterFrom="transform opacity-0 scale-95"
      enterTo="transform opacity-100 scale-100"
      leave="transition ease-in duration-75"
      leaveFrom="transform opacity-100 scale-100"
      leaveTo="transform opacity-0 scale-95"
    >
      <Menu.Items className="absolute z-50 drop-shadow-xl right-0 mt-0.5 w-[20rem] origin-top-right rounded-md bg-bunker border border-mineshaft-500 shadow-lg ring-1 ring-black ring-opacity-5 focus:outline-none px-1 py-1">
        <div
          onClick={() => {
            if (randomStringLength > 32) {
              setRandomStringLength(32);
            } else if (randomStringLength < 2) {
              setRandomStringLength(2);
            } else {
              modifyValue(
                [...Array(randomStringLength)]
                  .map(() => Math.floor(Math.random() * 16).toString(16))
                  .join(''),
                position
              );
            }
          }}
          className="relative flex flex-row justify-start items-center cursor-pointer select-none py-2 px-2 rounded-md text-gray-400 hover:bg-white/10 duration-200 hover:text-gray-200 w-full"
        >
          <FontAwesomeIcon
            className="text-lg pl-1.5 pr-3"
            icon={faShuffle}
          />
          <div className="text-sm justify-between flex flex-row w-full">
            <p>Generate Random Hex</p>
            <p>digits</p>
          </div>
        </div>
        <div className="flex flex-row absolute bottom-[0.4rem] right-[3.3rem] w-16 bg-bunker-800 border border-chicago-700 rounded-md text-bunker-200 ">
          <div
            className="m-0.5 px-1 cursor-pointer rounded-md hover:bg-chicago-700"
            onClick={() => {
              if (randomStringLength > 1) {
                setRandomStringLength(randomStringLength - 1);
              }
            }}
          >
            -
          </div>
          <input
            onChange={(e) =>
              setRandomStringLength(parseInt(e.target.value))
            }
            value={randomStringLength}
            className="text-center z-20 peer text-sm bg-transparent w-full outline-none"
            spellCheck="false"
          />
          <div
            className="m-0.5 px-1 pb-0.5 cursor-pointer rounded-md hover:bg-chicago-700"
            onClick={() => {
              if (randomStringLength < 32) {
                setRandomStringLength(randomStringLength + 1);
              }
            }}
          >
            +
          </div>
        </div>
      </Menu.Items>
    </Transition>
  </Menu>
}

export default GenerateSecretMenu;