import { ButtonGray } from 'components/Button'
import { Pool } from 'components/Icons/Pool'
import { FlyoutAlignment, Menu } from 'components/Menu'
import { Trans } from 'i18n'
import { ChevronDown } from 'react-feather'
import { useModalIsOpen } from 'state/application/hooks'
import { ApplicationModal } from 'state/application/reducer'
import styled, { css } from 'styled-components'
import { ThemedText } from 'theme/components'
import { ProtocolVersion } from 'uniswap/src/data/graphql/uniswap-data-api/__generated__/types-and-hooks'

const PoolVersionItem = styled.div`
  align-items: center;
  display: flex;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
`

const PoolOptionsButton = styled(ButtonGray)<{ $isOpen: boolean }>`
  flex: 1 1 auto;
  padding: 6px 8px 6px 12px;
  width: 100%;
  background-color: ${({ theme }) => theme.surface3};
  border: none;
  border-radius: 8px;
  gap: 6px;

  &:hover {
    background-color: ${({ theme, $isOpen }) => ($isOpen ? theme.surface1 : theme.surface3)};
    opacity: 0.9;
  }

  ${({ $isOpen }) =>
    $isOpen &&
    css`
      background-color: ${({ theme }) => theme.surface1};
      border: ${({ theme }) => `1.5px solid ${theme.neutral3}`};
    `}
`

const StyledChevron = styled(ChevronDown)<{ $isOpen: boolean }>`
  transform: ${({ $isOpen }) => ($isOpen ? 'rotate(180deg)' : 'rotate(0deg)')};
  transition: ${({
    theme: {
      transition: { duration, timing },
    },
  }) => `transform ${duration.fast} ${timing.ease}`};
`

const menuItems = {
  [ProtocolVersion.V3]: {
    content: (
      <PoolVersionItem>
        <Pool width="20px" height="20px" />
        <ThemedText.BodyPrimary lineHeight="24px" color="currentColor">
          <Trans i18nKey="pool.v3" />
        </ThemedText.BodyPrimary>
      </PoolVersionItem>
    ),
    link: '/pool',
    external: false,
  },
  [ProtocolVersion.V2]: {
    content: (
      <PoolVersionItem>
        <Pool width="20px" height="20px" />
        <ThemedText.BodyPrimary lineHeight="24px" color="currentColor">
          <Trans i18nKey="pool.v2" />
        </ThemedText.BodyPrimary>
      </PoolVersionItem>
    ),
    link: '/pools/v2',
    external: false,
  },
}

const titles = {
  [ProtocolVersion.V3]: <Trans i18nKey="common.v3" />,
  [ProtocolVersion.V2]: <Trans i18nKey="common.v2" />,
}

export function PoolVersionMenu({ protocolVersion }: { protocolVersion: ProtocolVersion }) {
  const isOpen = useModalIsOpen(ApplicationModal.POOL_VERSION)

  return (
    <Menu
      modal={ApplicationModal.POOL_VERSION}
      menuItems={[menuItems[protocolVersion === ProtocolVersion.V3 ? ProtocolVersion.V2 : ProtocolVersion.V3]]}
      flyoutAlignment={FlyoutAlignment.LEFT}
      ToggleUI={(props: any) => (
        <PoolOptionsButton {...props} $isOpen={isOpen}>
          <ThemedText.BodyPrimary color="neutral2">{titles[protocolVersion]}</ThemedText.BodyPrimary>
          <StyledChevron $isOpen={isOpen} />
        </PoolOptionsButton>
      )}
    />
  )
}
