import { BigNumber } from 'bignumber.js';

// TODO extract this into its own npm package @interblockchain/utils
export const convertAmount = (amount: number, ticker: string) => {
    console.log(" Amount: " + amount + " ticker: " + ticker);

    let factor;
    let value = new BigNumber(amount);
    if (!value.isFinite() || value.isZero()) {
        throw { name: "convertAmount", message: "Amount is zero or not finite." }
    }
    switch (ticker.toUpperCase()) {
        case "ITGUSD":
            factor = new BigNumber(10).exponentiatedBy(2);
            return value.multipliedBy(factor).toString()
        // case "XLM":
        //     return value.toString()
        case "TBTC":
        case "TLTC":
        case "ITLTC":
        case "ITBTC":
        case "TBCH":
        case "ITBCH":
            //Satoshi is 10^-8 BTC
            factor = new BigNumber(10).exponentiatedBy(8);
            return value.multipliedBy(factor).toString()
        case "TETH":
        case "ITETH":
            //Wei is 10^-18 ETH
            factor = new BigNumber(10).exponentiatedBy(18);
            return value.multipliedBy(factor).toString()
        default:
            return value.toString();
    }

}

// TODO extract this into its own npm package @interblockchain/utils
export const convertToAmount = (amount: number, ticker: string) => {
    console.log(" Amount: " + amount + " ticker: " + ticker);

    let factor;
    let value = new BigNumber(amount);
    if (!value.isFinite() || value.isZero()) {
        throw { name: "convertAmount", message: "Amount is zero or not finite." }
    }
    switch (ticker.toUpperCase()) {
        case "ITGUSD":
            factor = new BigNumber(10).exponentiatedBy(2);
            return value.dividedBy(factor).toString()
        // case "XLM":
        //     return value.toString()
        case "TBTC":
        case "TLTC":
        case "ITLTC":
        case "ITBTC":
        case "TBCH":
        case "ITBCH":
            //Satoshi is 10^-8 BTC
            factor = new BigNumber(10).exponentiatedBy(8);
            return value.dividedBy(factor).toString()
        case "TETH":
        case "ITETH":
            //Wei is 10^-18 ETH
            factor = new BigNumber(10).exponentiatedBy(18);
            return value.dividedBy(factor).toString()
        default:
            return value.toString();
    }

}