import _ from 'lodash';
import {DFWhole} from './staticData';

export type setDFFunc = (newDf: DFWhole) => void;

export const requestDf = (url: string, setCallBack: setDFFunc) => {
    const retPromise = fetch(url).then(async (response) => {
        const tableDf = await response.json();
        setCallBack(tableDf);
    });
    return retPromise;
};

export const sym = (symbolName: string) => {
    return {symbol: symbolName};
};

export function replaceInArr<T>(arr: T[], old: T, subst: T): T[] {
    return arr.map((item: T) => (item === old ? subst : item));
}

export function replaceAtIdx<T>(arr: T[], idx: number, subst: T): T[] {
    return arr.map((item: T, innerIdx: number) => (innerIdx === idx ? subst : item));
}

export function replaceAtKey<T>(obj: Record<string, T>, key: string, subst: T): Record<string, T> {
    const objCopy = _.clone(obj);
    objCopy[key] = subst;
    return objCopy;
}

export const objWithoutNull = (obj: Record<string, string>, extraStrips: string[] = []) =>
    _.pickBy(obj, (x) => ![null, undefined, ...extraStrips].includes(x));