/*global Web3*/
import React from 'react';
import {Form} from 'react-bootstrap';

export const required = (value) => {
  if (!value.toString().trim().length) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field is required</Form.Control.Feedback>;
  }
};

export const isInteger = (value) => {
  value = parseFloat(value);
  if (!Number.isInteger(value)) {
    return <Form.Control.Feedback type="invalid"  className="d-block">This field needs to be an integer</Form.Control.Feedback>;
  }
};

export const isNumber = (value) => {
  if (Number.isNaN(value)) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field needs to be an number</Form.Control.Feedback>;
  }
};

export const lowerThan = (max, value) => {
  if (value >= max) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field needs to be lower than {max}</Form.Control.Feedback>;
  }
};

export const lowerEqThan = (max, value) => {
  if (value > max) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field needs to be lower or equal than {max}</Form.Control.Feedback>;
  }
};

export const higherThan = (min, value) => {
  if (value <= min) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field needs to be higher than {min}</Form.Control.Feedback>;
  }
};

export const higherEqThan = (min, value) => {
  if (value < min) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field needs to be higher or equal than {min}</Form.Control.Feedback>;
  }
};

export const isAddress = (value) => {
  if (!Web3.utils.isAddress(value)) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field needs to be a valid Ethereum address</Form.Control.Feedback>;
  }
};

export const isJSON = (value) => {
  try {
    JSON.parse(value);
  } catch (e) {
    return <Form.Control.Feedback type="invalid" className="d-block">This field needs to be a valid JSON string</Form.Control.Feedback>;
  }
};