import {
  I80F48,
  nativeToUi,
  QUOTE_INDEX,
  ZERO_BN,
  ZERO_I80F48,
} from '@blockworks-foundation/mango-client'
import { useCallback, useMemo, useState } from 'react'
import { HeartIcon } from '@heroicons/react/solid'
import useMangoStore, { mangoClient, MNGO_INDEX } from '../stores/useMangoStore'
import { formatUsdValue } from '../utils'
import { notify } from '../utils/notifications'
import { LinkButton } from './Button'
import FloatingElement from './FloatingElement'
import { ElementTitle } from './styles'
import Tooltip from './Tooltip'
import DepositModal from './DepositModal'
import WithdrawModal from './WithdrawModal'
import Button from './Button'

const I80F48_100 = I80F48.fromString('100')

export default function MarginInfo() {
  const connected = useMangoStore((s) => s.wallet.connected)
  const mangoGroup = useMangoStore((s) => s.selectedMangoGroup.current)
  const mangoCache = useMangoStore((s) => s.selectedMangoGroup.cache)
  const mangoAccount = useMangoStore((s) => s.selectedMangoAccount.current)
  const isLoading = useMangoStore((s) => s.selectedMangoAccount.initialLoad)
  const actions = useMangoStore((s) => s.actions)

  const [showDepositModal, setShowDepositModal] = useState(false)
  const [showWithdrawModal, setShowWithdrawModal] = useState(false)

  const handleCloseDeposit = useCallback(() => {
    setShowDepositModal(false)
  }, [])

  const handleCloseWithdraw = useCallback(() => {
    setShowWithdrawModal(false)
  }, [])

  const equity = mangoAccount
    ? mangoAccount.computeValue(mangoGroup, mangoCache)
    : ZERO_I80F48

  // TODO: correct calc
  const marginAvailable = mangoAccount
    ? mangoAccount.getMaxWithBorrowForToken(mangoGroup, mangoCache, QUOTE_INDEX)
    : ZERO_I80F48

  const mngoAccrued = mangoAccount
    ? mangoAccount.perpAccounts.reduce((acc, perpAcct) => {
        return perpAcct.mngoAccrued.add(acc)
      }, ZERO_BN)
    : ZERO_BN

  const handleRedeemMngo = async () => {
    const wallet = useMangoStore.getState().wallet.current
    const mngoNodeBank =
      mangoGroup.rootBankAccounts[MNGO_INDEX].nodeBankAccounts[0]

    try {
      const txid = await mangoClient.redeemAllMngo(
        mangoGroup,
        mangoAccount,
        wallet,
        mangoGroup.tokens[MNGO_INDEX].rootBank,
        mngoNodeBank.publicKey,
        mngoNodeBank.vault
      )
      actions.fetchMangoAccounts()
      notify({
        title: 'Successfully redeemed MNGO',
        description: '',
        txid,
      })
    } catch (e) {
      notify({
        title: 'Error redeeming MNGO',
        description: e.message,
        txid: e.txid,
        type: 'error',
      })
    }
  }

  const maintHealthRatio = useMemo(() => {
    return mangoAccount
      ? mangoAccount.getHealthRatio(mangoGroup, mangoCache, 'Maint')
      : I80F48_100
  }, [mangoAccount, mangoGroup, mangoCache])

  const initHealthRatio = useMemo(() => {
    return mangoAccount
      ? mangoAccount.getHealthRatio(mangoGroup, mangoCache, 'Init')
      : I80F48_100
  }, [mangoAccount, mangoGroup, mangoCache])

  return (
    <FloatingElement showConnect>
      <div className={!connected ? 'filter blur-sm' : undefined}>
        <ElementTitle>Account</ElementTitle>
        <div>
          <div>
            <div className="flex justify-between py-2">
              <div className="font-normal text-th-fgd-3 leading-4">Equity</div>
              <div className="text-th-fgd-1">
                {isLoading ? (
                  <div className="animate-pulse bg-th-bkg-3 h-5 w-10 rounded-sm" />
                ) : (
                  formatUsdValue(+equity)
                )}
              </div>
            </div>
            <div className="flex justify-between py-2">
              <div className="font-normal text-th-fgd-3 leading-4">
                Leverage
              </div>
              <div className="text-th-fgd-1">
                {isLoading ? (
                  <div className="animate-pulse bg-th-bkg-3 h-5 w-10 rounded-sm" />
                ) : mangoAccount ? (
                  `${mangoAccount
                    .getLeverage(mangoGroup, mangoCache)
                    .toFixed(2)}x`
                ) : (
                  '0.00x'
                )}
              </div>
            </div>
            <div className={`flex justify-between py-2`}>
              <div className="font-normal text-th-fgd-3 leading-4">
                Total Assets Value
              </div>
              <div className={`text-th-fgd-1`}>
                {isLoading ? (
                  <div className="animate-pulse bg-th-bkg-3 h-5 w-10 rounded-sm" />
                ) : mangoAccount ? (
                  formatUsdValue(
                    +mangoAccount.getAssetsVal(mangoGroup, mangoCache)
                  )
                ) : (
                  '--'
                )}
              </div>
            </div>
            <div className={`flex justify-between py-2`}>
              <div className="font-normal text-th-fgd-3 leading-4">
                Total Liabilities Value
              </div>
              <div className={`text-th-fgd-1`}>
                {isLoading ? (
                  <div className="animate-pulse bg-th-bkg-3 h-5 w-10 rounded-sm" />
                ) : mangoAccount ? (
                  formatUsdValue(
                    +mangoAccount.getLiabsVal(mangoGroup, mangoCache)
                  )
                ) : (
                  '--'
                )}
              </div>
            </div>
            <div className={`flex justify-between py-2`}>
              <div className="font-normal text-th-fgd-3 leading-4">
                Margin Available
              </div>
              <div className={`text-th-fgd-1`}>
                {mangoAccount ? formatUsdValue(marginAvailable) : '--'}
              </div>
            </div>
            <div className={`flex justify-between py-2`}>
              <Tooltip
                content={
                  <div>
                    Earn MNGO by market making on Perp markets.{' '}
                    <a
                      href="https://docs.mango.markets/mango-v3/liquidity-incentives"
                      target="_blank"
                      rel="noopener noreferrer"
                    >
                      Learn more
                    </a>
                  </div>
                }
              >
                <div className="cursor-help font-normal text-th-fgd-3 leading-4 border-b border-th-fgd-3 border-dashed border-opacity-20 default-transition hover:border-th-bkg-2">
                  MNGO Rewards
                </div>
              </Tooltip>
              <div className={`flex items-center text-th-fgd-1`}>
                {isLoading ? (
                  <div className="animate-pulse bg-th-bkg-3 h-5 w-10 rounded-sm" />
                ) : mangoGroup ? (
                  nativeToUi(
                    mngoAccrued.toNumber(),
                    mangoGroup.tokens[MNGO_INDEX].decimals
                  )
                ) : (
                  0
                )}
                <LinkButton
                  onClick={handleRedeemMngo}
                  className="ml-2 text-th-primary text-xs disabled:cursor-not-allowed disabled:opacity-60 disabled:hover:underline"
                  disabled={mngoAccrued.eq(ZERO_BN)}
                >
                  Claim
                </LinkButton>
              </div>
            </div>
          </div>
          <div className="border border-th-bkg-4 rounded flex items-center my-3 p-2.5">
            <div className="flex items-center pr-2">
              <HeartIcon
                className="h-5 mr-1.5 w-5 text-th-primary"
                aria-hidden="true"
              />
              <span>
                <Tooltip
                  content={
                    <div>
                      Account will be liquidated if Health Ratio reaches 0%.{' '}
                      <a
                        href="https://docs.mango.markets/mango-v3/overview#health"
                        target="_blank"
                        rel="noopener noreferrer"
                      >
                        Learn more
                      </a>
                    </div>
                  }
                >
                  <div className="cursor-help font-normal text-th-fgd-3 leading-4 border-b border-th-fgd-3 border-dashed border-opacity-20 default-transition hover:border-th-bkg-2">
                    Health
                  </div>
                </Tooltip>
              </span>
            </div>
            <div className="h-1.5 flex flex-grow rounded bg-th-bkg-4">
              <div
                style={{
                  width: `${maintHealthRatio}%`,
                }}
                className={`flex rounded ${
                  maintHealthRatio.toNumber() > 30
                    ? 'bg-th-green'
                    : initHealthRatio.toNumber() > 0
                    ? 'bg-th-orange'
                    : 'bg-th-red'
                }`}
              ></div>
            </div>
            <div className="pl-2 text-right">
              {maintHealthRatio.gt(I80F48_100)
                ? '>100'
                : maintHealthRatio.toFixed(2)}
              %
            </div>
          </div>
          <div className={`grid grid-cols-2 grid-rows-1 gap-4 pt-2`}>
            <Button
              onClick={() => setShowDepositModal(true)}
              className="w-full"
              disabled={!connected}
            >
              <span>Deposit</span>
            </Button>
            <Button
              onClick={() => setShowWithdrawModal(true)}
              className="w-full"
              disabled={!connected}
            >
              <span>Withdraw</span>
            </Button>
          </div>
        </div>
      </div>
      {showDepositModal && (
        <DepositModal isOpen={showDepositModal} onClose={handleCloseDeposit} />
      )}
      {showWithdrawModal && (
        <WithdrawModal
          isOpen={showWithdrawModal}
          onClose={handleCloseWithdraw}
        />
      )}
    </FloatingElement>
  )
}