asi-calculator/features/prices/hooks/use-prices.tsx

'use client'

import { tokens } from '@/constants'
import { fetcher, getTokenAddressBySymbol } from '@/lib'
import useSWR from 'swr'

const tokenAddresses = tokens.map((token) => token.address).toString()

export type PriceCoingecko = {
  usd: number
  usd_24h_change: number
}

export type Prices = {
  ocean: PriceCoingecko
  fet: PriceCoingecko
  agix: PriceCoingecko
  cudos: PriceCoingecko
  asi: PriceCoingecko
}

export function usePrices(): {
  prices: Prices
  isValidating: boolean
  isLoading: boolean
} {
  const { data, error, isValidating, isLoading } = useSWR(
    `/api/prices?tokens=${tokenAddresses}`,
    fetcher
  )

  const oceanAddress = getTokenAddressBySymbol('OCEAN')
  const fetAddress = getTokenAddressBySymbol('FET')
  const agixAddress = getTokenAddressBySymbol('AGIX')
  const cudosAddress = getTokenAddressBySymbol('CUDOS')

  const pricesEmpty = {
    ocean: { usd: 0, usd_24h_change: 0 },
    fet: { usd: 0, usd_24h_change: 0 },
    agix: { usd: 0, usd_24h_change: 0 },
    cudos: { usd: 0, usd_24h_change: 0 },
    asi: { usd: 0, usd_24h_change: 0 }
  }

  const isError =
    !data ||
    error ||
    !oceanAddress ||
    !fetAddress ||
    !agixAddress ||
    !cudosAddress

  return {
    prices: isError
      ? pricesEmpty
      : {
          ocean: data[oceanAddress],
          fet: data[fetAddress],
          agix: data[agixAddress],
          cudos: data[cudosAddress],
          asi: data[fetAddress]
        },
    isValidating,
    isLoading
  }
}