import { useThemeProps } from '@mui/system';
import TextField, { TextFieldProps } from '@mui/material/TextField';
import React from 'react';
import { FieldProps, connectField, filterDOMProps } from 'uniforms';

export type NumFieldProps = FieldProps<
  number,
  TextFieldProps,
  { decimal?: boolean; max?: number; min?: number; step?: number }
>;

function Num(props: NumFieldProps) {
  const {
    decimal,
    disabled,
    error,
    errorMessage,
    helperText,
    inputProps,
    inputRef,
    label,
    max,
    min,
    name,
    onChange,
    readOnly,
    placeholder,
    showInlineError,
    step = decimal ? 0.01 : 1,
    value,
    ...rest
  } = props;
  const themeProps = useThemeProps({ props, name: 'MuiTextField' });

  return (
    <TextField
      disabled={disabled}
      error={!!error}
      fullWidth={themeProps?.fullWidth ?? true}
      helperText={(error && showInlineError && errorMessage) || helperText}
      inputProps={{
        ...(themeProps?.inputProps ?? {}),
        min,
        max,
        readOnly,
        step,
        ...inputProps
      }}
      label={label}
      margin={themeProps?.margin ?? 'dense'}
      name={name}
      onChange={event => {
        const parse = decimal ? parseFloat : parseInt;
        const value = parse(event.target.value);
        onChange(isNaN(value) ? undefined : value);
      }}
      placeholder={placeholder}
      ref={inputRef}
      type="number"
      value={value ?? ''}
      {...filterDOMProps(rest)}
    />
  );
}

export default connectField<NumFieldProps>(Num, { kind: 'leaf' });