import { PoolTransaction } from '@oceanprotocol/lib/dist/node/balancer/OceanPool'
import { useOcean } from '@oceanprotocol/react'
import React, { ReactElement, useEffect, useState } from 'react'
import EtherscanLink from '../atoms/EtherscanLink'
import Time from '../atoms/Time'
import Table from '../atoms/Table'
import AssetTitle from './AssetListTitle'
import styles from './PoolTransactions.module.css'
import { useUserPreferences } from '../../providers/UserPreferences'
import { Ocean } from '@oceanprotocol/lib'
import { formatPrice } from '../atoms/Price/PriceUnit'
import { gql } from '@apollo/client'

const txHistoryQuery = gql`
  query Pool($id: ID!, $user: String!) {
    pool(id: $id) {
      transactions(orderBy: timestamp, where: { userAddressStr: $user }) {
        tx
        timestamp
        spotPrice
        event
        sharesTransferAmount
        tokens {
          type
          value
          tokenAddress
          poolToken {
            tokenId {
              symbol
              name
            }
            tokenAddress
          }
        }
      }
    }
  }
`

async function getSymbol(
  ocean: Ocean,
  tokenAddress: string,
  oceanTokenAddress: string
) {
  const symbol =
    oceanTokenAddress === tokenAddress
      ? 'OCEAN'
      : await ocean.datatokens.getSymbol(tokenAddress)

  return symbol
}

async function getTitle(
  ocean: Ocean,
  row: PoolTransaction,
  locale: string,
  oceanTokenAddress: string
) {
  const addRemoveSymbol = await getSymbol(
    ocean,
    row.tokenIn || row.tokenOut,
    oceanTokenAddress
  )

  const title =
    row.type === 'join'
      ? `Add ${formatPrice(row.tokenAmountIn, locale)} ${addRemoveSymbol}`
      : row.type === 'exit'
      ? `Remove ${formatPrice(row.tokenAmountOut, locale)} ${addRemoveSymbol}`
      : `Swap ${formatPrice(row.tokenAmountIn, locale)} ${await getSymbol(
          ocean,
          row.tokenIn,
          oceanTokenAddress
        )} for ${formatPrice(row.tokenAmountOut, locale)} ${await getSymbol(
          ocean,
          row.tokenOut,
          oceanTokenAddress
        )}`

  return title
}

function Title({ row }: { row: PoolTransaction }) {
  const { ocean, networkId, config } = useOcean()
  const [title, setTitle] = useState<string>()
  const { locale } = useUserPreferences()

  useEffect(() => {
    if (!ocean || !locale || !row || !config?.oceanTokenAddress) return

    async function init() {
      const title = await getTitle(ocean, row, locale, config.oceanTokenAddress)
      setTitle(title)
    }
    init()
  }, [ocean, row, locale, config?.oceanTokenAddress])

  return title ? (
    <EtherscanLink networkId={networkId} path={`/tx/${row.transactionHash}`}>
      {title}
    </EtherscanLink>
  ) : null
}

function getColumns(minimal?: boolean) {
  return [
    {
      name: 'Title',
      selector: function getTitleRow(row: PoolTransaction) {
        return <Title row={row} />
      }
    },
    {
      name: 'Data Set',
      selector: function getAssetRow(row: PoolTransaction) {
        const did = row.dtAddress.replace('0x', 'did:op:')
        return <AssetTitle did={did} />
      },
      omit: minimal
    },
    {
      name: 'Time',
      selector: function getTimeRow(row: PoolTransaction) {
        return (
          <Time
            className={styles.time}
            date={row.timestamp.toString()}
            relative
            isUnix
          />
        )
      },
      maxWidth: '10rem'
    }
  ]
}

export default function PoolTransactions({
  poolAddress,
  minimal
}: {
  poolAddress?: string
  minimal?: boolean
}): ReactElement {
  const { ocean, accountId } = useOcean()
  const [logs, setLogs] = useState<PoolTransaction[]>()
  const [isLoading, setIsLoading] = useState(false)

  useEffect(() => {
    async function getLogs() {
      if (!ocean || !accountId) return

      setIsLoading(true)
      const logs = poolAddress
        ? await ocean.pool.getPoolLogs(poolAddress, 0, accountId)
        : await ocean.pool.getAllPoolLogs(accountId)
      // sort logs by date, newest first
      const logsSorted = logs.sort((a, b) => {
        if (a.timestamp > b.timestamp) return -1
        if (a.timestamp < b.timestamp) return 1
        return 0
      })
      setLogs(logsSorted)
      setIsLoading(false)
    }
    getLogs()
  }, [ocean, accountId, poolAddress])

  return (
    <Table
      columns={getColumns(minimal)}
      data={logs}
      isLoading={isLoading}
      noTableHead={minimal}
      dense={minimal}
      pagination={minimal ? logs?.length >= 4 : logs?.length >= 9}
      paginationPerPage={minimal ? 5 : 10}
      emptyMessage="Your pool transactions will show up here"
    />
  )
}