// @flow
import * as ICONS from 'constants/icons';
import * as MODALS from 'constants/modal_types';
import * as PAGES from 'constants/pages';
import React from 'react';
import CreditAmount from 'component/common/credit-amount';
import Button from 'component/button';
import HelpLink from 'component/common/help-link';
import Card from 'component/common/card';
import LbcSymbol from 'component/common/lbc-symbol';
import I18nMessage from 'component/i18nMessage';
import { formatNumberWithCommas } from 'util/number';

type Props = {
  balance: number,
  totalBalance: number,
  claimsBalance: number,
  supportsBalance: number,
  tipsBalance: number,
  doOpenModal: string => void,
  hasSynced: boolean,
  doFetchUtxoCounts: () => void,
  doUtxoConsolidate: () => void,
  fetchingUtxoCounts: boolean,
  consolidatingUtxos: boolean,
  utxoCounts: { [string]: number },
  pendingUtxoConsolidating: Array<string>,
};

const WALLET_CONSOLIDATE_UTXOS = 400;
const LARGE_WALLET_BALANCE = 100;

const WalletBalance = (props: Props) => {
  const {
    balance,
    claimsBalance,
    supportsBalance,
    tipsBalance,
    doOpenModal,
    hasSynced,
    pendingUtxoConsolidating,
    doUtxoConsolidate,
    doFetchUtxoCounts,
    consolidatingUtxos,
    utxoCounts,
  } = props;
  const [detailsExpanded, setDetailsExpanded] = React.useState(false);
  const { other: otherCount = 0 } = utxoCounts || {};

  const totalBalance = balance + tipsBalance + supportsBalance + claimsBalance;
  const totalLocked = tipsBalance + claimsBalance + supportsBalance;

  React.useEffect(() => {
    if (balance > LARGE_WALLET_BALANCE) {
      doFetchUtxoCounts();
    }
  }, [doFetchUtxoCounts, balance]);

  return (
    <Card
      title={<LbcSymbol postfix={formatNumberWithCommas(totalBalance)} isTitle />}
      subtitle={
        totalLocked > 0 ? (
          <I18nMessage tokens={{ lbc: <LbcSymbol /> }}>
            Your total balance. All of this is yours, but some %lbc% is in use on channels and content right now.
          </I18nMessage>
        ) : (
          <span>{__('Your total balance.')}</span>
        )
      }
      actions={
        <>
          <h2 className="section__title--small">
            <I18nMessage tokens={{ lbc_amount: <CreditAmount amount={balance} precision={8} /> }}>
              %lbc_amount% immediately spendable
            </I18nMessage>
          </h2>

          <h2 className="section__title--small">
            <I18nMessage
              tokens={{
                lbc_amount: <CreditAmount amount={totalLocked} precision={8} />,
              }}
            >
              %lbc_amount% contributing to content
            </I18nMessage>
            <Button
              button="link"
              label={detailsExpanded ? __('View less') : __('View more')}
              iconRight={detailsExpanded ? ICONS.UP : ICONS.DOWN}
              onClick={() => setDetailsExpanded(!detailsExpanded)}
            />
          </h2>
          {detailsExpanded && (
            <div className="section__subtitle">
              <dl>
                <dt>{__('...earned from others (unlock to spend)')}</dt>
                <dd>
                  <CreditAmount amount={tipsBalance} precision={8} />
                </dd>

                <dt>{__('...on initial publishes (delete or edit past content to spend)')}</dt>
                <dd>
                  <CreditAmount amount={claimsBalance} precision={8} />
                </dd>

                <dt>{__('...supporting content (delete supports to spend)')}</dt>
                <dd>
                  <CreditAmount amount={supportsBalance} precision={8} />
                </dd>
              </dl>
            </div>
          )}

          {/* @if TARGET='app' */}
          {!hasSynced ? (
            <p className="section help">
              {__('A backup of your wallet is synced with lbry.tv.')}
              <HelpLink href="https://lbry.com/faq/account-sync" />
            </p>
          ) : (
            <p className="help--warning">
              {__('Your wallet is not currently synced with lbry.tv. You are in control of backing up your wallet.')}
              <HelpLink navigate={`/$/${PAGES.BACKUP}`} />
            </p>
          )}
          {/* @endif */}
          <div className="section__actions">
            <Button button="primary" label={__('Buy')} icon={ICONS.BUY} navigate={`/$/${PAGES.BUY}`} />
            <Button
              button="secondary"
              label={__('Receive')}
              icon={ICONS.RECEIVE}
              onClick={() => doOpenModal(MODALS.WALLET_RECEIVE)}
            />
            <Button
              button="secondary"
              label={__('Send')}
              icon={ICONS.SEND}
              onClick={() => doOpenModal(MODALS.WALLET_SEND)}
            />
          </div>
          {(otherCount > WALLET_CONSOLIDATE_UTXOS || pendingUtxoConsolidating.length || consolidatingUtxos) && (
            <p className="help">
              <I18nMessage
                tokens={{
                  now: (
                    <Button
                      button="link"
                      onClick={() => doUtxoConsolidate()}
                      disabled={pendingUtxoConsolidating.length || consolidatingUtxos}
                      label={
                        pendingUtxoConsolidating.length || consolidatingUtxos
                          ? __('Consolidating')
                          : __('Consolidate Now')
                      }
                    />
                  ),
                  help: <HelpLink href="https://lbry.com/faq/transaction-types" />,
                }}
              >
                Your wallet has a lot of change lying around. Consolidating will speed up your transactions. This could
                take some time. %now%%help%
              </I18nMessage>
            </p>
          )}
        </>
      }
    />
  );
};

export default WalletBalance;