import React from "react";
import TextField from "@material-ui/core/TextField";
import FormControl from "@material-ui/core/FormControl";

export default (props) => {
  const {value, setValue, config, readonly, min, max, step, placeholder, customProps} = props;
  
  const onChange = e => {
    let val = e.target.value;
    if (val === "" || val === null)
      val = undefined;
    else
      val = Number(val);
    setValue(val);
  };

  const numberValue = value == undefined ? "" : value;
  
  return (
    <FormControl>
      <TextField 
        type="number"
        value={numberValue}
        placeholder={!readonly ? placeholder : ""}
        InputProps={{
          readOnly: readonly,
        }}
        inputProps={{
          min: min,
          max: max,
          step: step,
        }}
        disabled={readonly}
        onChange={onChange}
        {...customProps}
      />
    </FormControl>
  );
};