import type { FC } from 'react';
import { forwardRef, useCallback } from 'react';
import { addDays } from 'date-fns/addDays';
import { format } from 'date-fns/format';
import DatePicker from 'react-datepicker';

import './DateRangePicker.vendor-styles.prebuilt';

type CustomInputProps = {
  value?: string;
  onChange?: () => void;
  onFocus?: () => void;
};

const CustomInput = forwardRef<HTMLInputElement, CustomInputProps>(
  (props: CustomInputProps, ref) => {
    const dateFormat = 'MM/dd/yyyy';
    const date = new Date();
    const placeholder = `${format(date, dateFormat)} - ${format(addDays(date, 1), dateFormat)}`;

    return (
      <div className="input-group admin-audit-log">
        <span className="input-group-text">
          <span className="material-symbols-outlined me-1">calendar_month</span>
        </span>
        <input
          ref={ref}
          type="text"
          value={props?.value}
          onFocus={props?.onFocus}
          onChange={props?.onChange}
          placeholder={placeholder}
          className="form-control date-range-picker"
          aria-describedby="basic-addon1"
        />
      </div>
    );
  },
);

CustomInput.displayName = 'CustomInput';

type DateRangePickerProps = {
  startDate: Date | null;
  endDate: Date | null;
  onChange: (dateList: Date[] | null[]) => void;
};

export const DateRangePicker: FC<DateRangePickerProps> = (
  props: DateRangePickerProps,
) => {
  const { startDate, endDate, onChange } = props;

  const changeHandler = useCallback(
    (dateList: Date[] | null[]) => {
      if (onChange != null) {
        const [start, end] = dateList;
        const isSameTime =
          start != null && end != null && start.getTime() === end.getTime();
        if (isSameTime) {
          onChange([null, null]);
        } else {
          onChange(dateList);
        }
      }
    },
    [onChange],
  );

  return (
    <div className="me-2">
      <DatePicker
        selectsRange
        startDate={startDate}
        endDate={endDate}
        onChange={changeHandler}
        customInput={<CustomInput />}
      />
    </div>
  );
};