import { TopTitle } from '@gitroom/frontend/components/launches/helpers/top.title.component';
import React, { FC, Fragment, useCallback, useMemo, useState } from 'react';
import { Integrations } from '@gitroom/frontend/components/launches/calendar.context';
import dayjs from 'dayjs';
import { deleteDialog } from '@gitroom/react/helpers/delete.dialog';
import { Select } from '@gitroom/react/form/select';
import { Button } from '@gitroom/react/form/button';
import utc from 'dayjs/plugin/utc';
import timezone from 'dayjs/plugin/timezone';
import { useFetch } from '@gitroom/helpers/utils/custom.fetch';
// @ts-ignore
import useKeypress from 'react-use-keypress';
import { useModals } from '@mantine/modals';
import { sortBy } from 'lodash';
import { usePreventWindowUnload } from '@gitroom/react/helpers/use.prevent.window.unload';

dayjs.extend(utc);
dayjs.extend(timezone);

const hours = [...Array(24).keys()].map((i, index) => ({
  value: index,
}));

const minutes = [...Array(60).keys()].map((i, index) => ({
  value: index,
}));

export const TimeTable: FC<{
  integration: Integrations;
  mutate: () => void;
}> = (props) => {
  const {
    integration: { time },
    mutate,
  } = props;
  const [currentTimes, setCurrentTimes] = useState([...time]);
  const [hour, setHour] = useState(0);
  const [minute, setMinute] = useState(0);
  const fetch = useFetch();
  const modal = useModals();
  usePreventWindowUnload(true);

  const askClose = useCallback(async () => {
    if (
      !(await deleteDialog(
        'Are you sure you want to close the window?',
        'Yes, close'
      ))
    ) {
      return;
    }

    modal.closeAll();
  }, []);

  useKeypress('Escape', askClose);

  const removeSlot = useCallback(
    (index: number) => async () => {
      if (!(await deleteDialog('Are you sure you want to delete this slot?'))) {
        return;
      }
      setCurrentTimes((prev) => prev.filter((_, i) => i !== index));
    },
    []
  );

  const addHour = useCallback(() => {
    const calculateMinutes =
      dayjs()
        .utc()
        .startOf('day')
        .add(hour, 'hours')
        .add(minute, 'minutes')
        .diff(dayjs().utc().startOf('day'), 'minutes') - dayjs.tz().utcOffset();
    setCurrentTimes((prev) => [...prev, { time: calculateMinutes }]);
  }, [hour, minute]);

  const times = useMemo(() => {
    return sortBy(
      currentTimes.map(({ time }) => ({
        value: time,
        formatted: dayjs
          .utc()
          .startOf('day')
          .add(time, 'minutes')
          .local()
          .format('HH:mm'),
      })),
      (p) => p.value
    );
  }, [currentTimes]);

  const save = useCallback(async () => {
    await fetch(`/integrations/${props.integration.id}/time`, {
      method: 'POST',
      body: JSON.stringify({ time: currentTimes }),
    });
    mutate();
    modal.closeAll();
  }, [currentTimes]);

  return (
    <div className="rounded-[4px] border border-customColor6 bg-sixth px-[16px] pb-[16px] relative w-full">
      <TopTitle title={`Time Table Slots`} />
      <button
        onClick={askClose}
        className="outline-none absolute right-[20px] top-[20px] mantine-UnstyledButton-root mantine-ActionIcon-root hover:bg-tableBorder cursor-pointer mantine-Modal-close mantine-1dcetaa"
        type="button"
      >
        <svg
          viewBox="0 0 15 15"
          fill="none"
          xmlns="http://www.w3.org/2000/svg"
          width="16"
          height="16"
        >
          <path
            d="M11.7816 4.03157C12.0062 3.80702 12.0062 3.44295 11.7816 3.2184C11.5571 2.99385 11.193 2.99385 10.9685 3.2184L7.50005 6.68682L4.03164 3.2184C3.80708 2.99385 3.44301 2.99385 3.21846 3.2184C2.99391 3.44295 2.99391 3.80702 3.21846 4.03157L6.68688 7.49999L3.21846 10.9684C2.99391 11.193 2.99391 11.557 3.21846 11.7816C3.44301 12.0061 3.80708 12.0061 4.03164 11.7816L7.50005 8.31316L10.9685 11.7816C11.193 12.0061 11.5571 12.0061 11.7816 11.7816C12.0062 11.557 12.0062 11.193 11.7816 10.9684L8.31322 7.49999L11.7816 4.03157Z"
            fill="currentColor"
            fillRule="evenodd"
            clipRule="evenodd"
          ></path>
        </svg>
      </button>

      <div>
        <div className="text-[16px] font-bold mt-[16px]">Add Time Slot</div>
        <div className="flex flex-col">
          <div className="mt-[16px] flex justify-center gap-[16px]">
            <div className="w-[100px]">
              <Select
                label="Hour"
                name="hour"
                disableForm={true}
                className="w-[100px] mt-[8px]"
                value={hour}
                onChange={(e) => setHour(Number(e.target.value))}
              >
                {hours.map((hour) => (
                  <option key={hour.value} value={hour.value}>
                    {hour.value.toString().length === 1 ? '0' : ''}
                    {hour.value}
                  </option>
                ))}
              </Select>
            </div>
            <div className="w-[100px]">
              <Select
                label="Minutes"
                name="minutes"
                disableForm={true}
                className="w-[100px] mt-[8px]"
                value={minute}
                onChange={(e) => setMinute(Number(e.target.value))}
              >
                {minutes.map((minute) => (
                  <option key={minute.value} value={minute.value}>
                    {minute.value.toString().length === 1 ? '0' : ''}
                    {minute.value}
                  </option>
                ))}
              </Select>
            </div>
          </div>
          <div className="flex w-[215px] mx-auto justify-center mb-[50px]">
            <Button type="button" className="w-full" onClick={addHour}>
              Add Slot
            </Button>
          </div>
        </div>
      </div>
      <div className="mt-[16px] grid grid-cols-2 place-items-center w-[100px] mx-auto">
        {times.map((timeSlot, index) => (
          <Fragment key={timeSlot.formatted}>
            <div className="text-left w-full">{timeSlot.formatted}</div>
            <div
              className="cursor-pointer text-red-400 text-left w-full"
              onClick={removeSlot(index)}
            >
              X
            </div>
          </Fragment>
        ))}
      </div>
      <div className="flex w-[215px] mx-auto justify-center mb-[50px]">
        <Button type="button" className="w-full" onClick={save}>
          Save
        </Button>
      </div>
    </div>
  );
};