import { Transition } from '@headlessui/react'
import {
  ChevronDownIcon,
  ChevronRightIcon,
  QuestionMarkCircleIcon,
} from '@heroicons/react/20/solid'
import { useTranslation } from 'next-i18next'
import Image from 'next/legacy/image'
import { Fragment, useMemo, useState } from 'react'
import { useViewport } from '../../hooks/useViewport'

import mangoStore from '@store/mangoStore'
import { formatDecimal, formatFixedDecimals } from '../../utils/numbers'
import { breakpoints } from '../../utils/theme'
import { IconButton, LinkButton } from '../shared/Button'
import ContentBox from '../shared/ContentBox'
import FlipNumbers from 'react-flip-numbers'
import Tooltip from '@components/shared/Tooltip'
import { Bank } from '@blockworks-foundation/mango-v4'
import { useRouter } from 'next/router'

const TokenStats = () => {
  const { t } = useTranslation(['common', 'token'])
  const [showTokenDetails, setShowTokenDetails] = useState('')
  const group = mangoStore((s) => s.group)
  const jupiterTokens = mangoStore((s) => s.jupiterTokens)
  const { width } = useViewport()
  const showTableView = width ? width > breakpoints.md : false
  const router = useRouter()

  const banks = useMemo(() => {
    if (group) {
      const rawBanks = Array.from(group?.banksMapByName, ([key, value]) => ({
        key,
        value,
      }))
      return rawBanks
    }
    return []
  }, [group])

  const handleShowTokenDetails = (name: string) => {
    showTokenDetails ? setShowTokenDetails('') : setShowTokenDetails(name)
  }

  const [totalDepositValue, totalBorrowValue] = useMemo(() => {
    if (banks.length) {
      return [
        banks.reduce(
          (a, c) => a + c.value[0].uiPrice! * c.value[0].uiDeposits(),
          0
        ),
        banks.reduce(
          (a, c) => a + c.value[0].uiPrice! * c.value[0].uiBorrows(),
          0
        ),
      ]
    }
    return []
  }, [banks])

  const goToTokenPage = (bank: Bank) => {
    router.push(`/token/${bank.name}`, undefined, { shallow: true })
  }

  return (
    <ContentBox hideBorder hidePadding>
      <div className="grid grid-cols-2 gap-x-6 border-b border-th-bkg-3 text-[40px]">
        <div className="col-span-2 border-t border-th-bkg-3 py-4 px-6 md:col-span-1 md:border-t-0 ">
          <p className="mb-2.5 text-base leading-none">
            {t('total-deposit-value')}
          </p>
          <div className="flex items-center font-bold">
            <FlipNumbers
              height={40}
              width={24}
              play
              delay={0.05}
              duration={1}
              numbers={formatFixedDecimals(totalDepositValue || 0.0, true)}
            />
          </div>
        </div>
        <div className="col-span-2 border-t border-th-bkg-3 py-4 px-6 md:col-span-1 md:border-l md:border-t-0 md:pl-6">
          <p className="mb-2.5 text-base leading-none">
            {t('total-borrow-value')}
          </p>
          <div className="flex items-center font-bold">
            <FlipNumbers
              height={40}
              width={24}
              play
              delay={0.05}
              duration={1}
              numbers={formatFixedDecimals(totalBorrowValue || 0.0, true)}
            />
          </div>
        </div>
      </div>
      {showTableView ? (
        <table className="min-w-full">
          <thead>
            <tr>
              <th className="text-left">{t('token')}</th>
              <th className="text-right">{t('total-deposits')}</th>
              <th className="text-right">{t('total-borrows')}</th>
              <th>
                <div className="flex justify-end">
                  <Tooltip content="The deposit rate (green) will automatically be paid on positive balances and the borrow rate (red) will automatically be charged on negative balances.">
                    <span className="tooltip-underline">{t('rates')}</span>
                  </Tooltip>
                </div>
              </th>
              <th>
                <div className="flex justify-end">
                  <Tooltip content="The percentage of deposits that have been lent out.">
                    <span className="tooltip-underline">
                      {t('utilization')}
                    </span>
                  </Tooltip>
                </div>
              </th>
              <th>
                <div className="flex justify-end text-right">
                  <Tooltip content={t('asset-weight-desc')}>
                    <span className="tooltip-underline">
                      {t('asset-weight')}
                    </span>
                  </Tooltip>
                </div>
              </th>
              <th>
                <div className="flex items-center justify-end">
                  <span className="text-right">{t('liability-weight')}</span>
                </div>
              </th>
            </tr>
          </thead>
          <tbody>
            {banks.map(({ key, value }) => {
              const bank = value[0]

              let logoURI
              if (jupiterTokens.length) {
                logoURI = jupiterTokens.find(
                  (t) => t.address === bank.mint.toString()
                )!.logoURI
              }

              return (
                <tr key={key}>
                  <td>
                    <div className="flex items-center">
                      <div className="mr-2.5 flex flex-shrink-0 items-center">
                        {logoURI ? (
                          <Image alt="" width="24" height="24" src={logoURI} />
                        ) : (
                          <QuestionMarkCircleIcon className="h-6 w-6 text-th-fgd-3" />
                        )}
                      </div>
                      <p className="font-body tracking-wide">{bank.name}</p>
                    </div>
                  </td>
                  <td>
                    <div className="flex flex-col text-right">
                      <p>{formatFixedDecimals(bank.uiDeposits())}</p>
                    </div>
                  </td>
                  <td>
                    <div className="flex flex-col text-right">
                      <p>{formatFixedDecimals(bank.uiBorrows())}</p>
                    </div>
                  </td>
                  <td>
                    <div className="flex justify-end space-x-2">
                      <p className="text-th-green">
                        {formatDecimal(bank.getDepositRateUi(), 2, {
                          fixed: true,
                        })}
                        %
                      </p>
                      <span className="text-th-fgd-4">|</span>
                      <p className="text-th-red">
                        {formatDecimal(bank.getBorrowRateUi(), 2, {
                          fixed: true,
                        })}
                        %
                      </p>
                    </div>
                  </td>
                  <td>
                    <div className="flex flex-col text-right">
                      <p>
                        {bank.uiDeposits() > 0
                          ? formatDecimal(
                              (bank.uiBorrows() / bank.uiDeposits()) * 100,
                              1,
                              { fixed: true }
                            )
                          : '0.0'}
                        %
                      </p>
                    </div>
                  </td>
                  <td>
                    <div className="text-right">
                      <p>{bank.initAssetWeight.toFixed(2)}</p>
                    </div>
                  </td>
                  <td>
                    <div className="text-right">
                      <p>{bank.initLiabWeight.toFixed(2)}</p>
                    </div>
                  </td>
                  <td>
                    <div className="flex justify-end">
                      <IconButton
                        onClick={() => goToTokenPage(bank)}
                        size="small"
                      >
                        <ChevronRightIcon className="h-5 w-5" />
                      </IconButton>
                    </div>
                  </td>
                </tr>
              )
            })}
          </tbody>
        </table>
      ) : (
        <div>
          {banks.map(({ key, value }) => {
            const bank = value[0]
            let logoURI
            if (jupiterTokens.length) {
              logoURI = jupiterTokens.find(
                (t) => t.address === bank.mint.toString()
              )!.logoURI
            }
            return (
              <div key={key} className="border-b border-th-bkg-3 px-6 py-4">
                <div className="flex items-center justify-between">
                  <div className="flex items-center">
                    <div className="mr-2.5 flex flex-shrink-0 items-center">
                      {logoURI ? (
                        <Image alt="" width="24" height="24" src={logoURI} />
                      ) : (
                        <QuestionMarkCircleIcon className="h-7 w-7 text-th-fgd-3" />
                      )}
                    </div>
                    <p className="text-th-fgd-1">{bank.name}</p>
                  </div>
                  <div className="flex items-center space-x-4">
                    <div>
                      <p className="text-right text-xs">
                        {t('total-deposits')}
                      </p>
                      <p className="text-right font-mono text-th-fgd-1">
                        {formatFixedDecimals(bank.uiDeposits())}
                      </p>
                    </div>
                    <div>
                      <p className="text-right text-xs">{t('total-borrows')}</p>
                      <p className="text-right font-mono text-th-fgd-1">
                        {formatFixedDecimals(bank.uiBorrows())}
                      </p>
                    </div>
                    <IconButton
                      onClick={() => handleShowTokenDetails(bank.name)}
                    >
                      <ChevronDownIcon
                        className={`${
                          showTokenDetails === bank.name
                            ? 'rotate-180'
                            : 'rotate-360'
                        } h-6 w-6 flex-shrink-0 text-th-fgd-1`}
                      />
                    </IconButton>
                  </div>
                </div>
                <Transition
                  appear={true}
                  show={showTokenDetails === bank.name}
                  as={Fragment}
                  enter="transition ease-in duration-200"
                  enterFrom="opacity-0"
                  enterTo="opacity-100"
                  leave="transition ease-out"
                  leaveFrom="opacity-100"
                  leaveTo="opacity-0"
                >
                  <div className="mt-4 grid grid-cols-2 gap-4 border-t border-th-bkg-3 pt-4">
                    <div className="col-span-1">
                      <p className="text-xs text-th-fgd-3">{t('rates')}</p>
                      <p className="space-x-2">
                        <span className="font-mono text-th-green">
                          {formatDecimal(bank.getDepositRate().toNumber(), 2)}%
                        </span>
                        <span className="font-normal text-th-fgd-4">|</span>
                        <span className="font-mono text-th-red">
                          {formatDecimal(bank.getBorrowRate().toNumber(), 2)}%
                        </span>
                      </p>
                    </div>
                    <div className="col-span-1">
                      <p className="text-xs text-th-fgd-3">
                        {t('utilization')}
                      </p>
                      <p className="font-mono text-th-fgd-1">
                        {bank.uiDeposits() > 0
                          ? formatDecimal(
                              (bank.uiBorrows() / bank.uiDeposits()) * 100,
                              1,
                              { fixed: true }
                            )
                          : '0.0'}
                        %
                      </p>
                    </div>
                    <div className="col-span-1">
                      <p className="text-xs text-th-fgd-3">
                        {t('asset-weight')}
                      </p>
                      <p className="font-mono text-th-fgd-1">
                        {bank.initAssetWeight.toFixed(2)}
                      </p>
                    </div>
                    <div className="col-span-1">
                      <p className="text-xs text-th-fgd-3">
                        {t('liability-weight')}
                      </p>
                      <p className="font-mono text-th-fgd-1">
                        {bank.initLiabWeight.toFixed(2)}
                      </p>
                    </div>
                    <div className="col-span-1">
                      <LinkButton
                        className="flex items-center"
                        onClick={() => goToTokenPage(bank)}
                      >
                        {t('token:token-details')}
                        <ChevronRightIcon className="ml-2 h-5 w-5" />
                      </LinkButton>
                    </div>
                  </div>
                </Transition>
              </div>
            )
          })}
        </div>
      )}
    </ContentBox>
  )
}

export default TokenStats