import React, { useState, useEffect } from 'react';
import { GenericModal } from "../atoms/GenericModal";
import { MenuItem, TextField, Typography, Box, Switch, FormControlLabel } from "@mui/material";
import { Dropdown } from "../atoms/DropdownMui";
import Button from "@mui/material/Button";
import { modalStyle } from "./AddWhereCondModal";
import { validMomentTimezones } from '../../constants/const';
import { useGlobalInfoStore } from '../../context/globalInfo';
import { getSchedule, deleteSchedule } from '../../api/storage';

interface ScheduleSettingsProps {
  isOpen: boolean;
  handleStart: (settings: ScheduleSettings) => void;
  handleClose: () => void;
  initialSettings?: ScheduleSettings | null;
}

export interface ScheduleSettings {
  runEvery: number;
  runEveryUnit: string;
  startFrom: string;
  atTimeStart?: string;
  atTimeEnd?: string;
  timezone: string;
}

export const ScheduleSettingsModal = ({ isOpen, handleStart, handleClose, initialSettings }: ScheduleSettingsProps) => {
  const [schedule, setSchedule] = useState<ScheduleSettings | null>(null);
  const [settings, setSettings] = useState<ScheduleSettings>({
    runEvery: 1,
    runEveryUnit: 'HOURS',
    startFrom: 'MONDAY',
    atTimeStart: '00:00',
    atTimeEnd: '01:00',
    timezone: 'UTC'
  });

  // Load initial settings if provided
  useEffect(() => {
    if (initialSettings) {
      setSettings(initialSettings);
    }
  }, [initialSettings]);

  const handleChange = (field: keyof ScheduleSettings, value: string | number | boolean) => {
    setSettings(prev => ({ ...prev, [field]: value }));
  };

  const textStyle = {
    width: '150px',
    height: '52px',
    marginRight: '10px',
  };

  const dropDownStyle = {
    marginTop: '2px',
    width: '150px',
    height: '59px',
    marginRight: '10px',
  };

  const units = [
    'MINUTES',
    'HOURS',
    'DAYS',
    'WEEKS',
    'MONTHS'
  ];

  const days = [
    'MONDAY',
    'TUESDAY',
    'WEDNESDAY',
    'THURSDAY',
    'FRIDAY',
    'SATURDAY',
    'SUNDAY'
  ];

  const { recordingId } = useGlobalInfoStore();

  console.log(`Recoridng ID Shculde: ${recordingId}`);

  const deleteRobotSchedule = () => {
    if (recordingId) {
      deleteSchedule(recordingId);
      setSchedule(null);
    } else {
      console.error('No recording id provided');
    }

    setSettings({
      runEvery: 1,
      runEveryUnit: 'HOURS',
      startFrom: 'MONDAY',
      atTimeStart: '00:00',
      atTimeEnd: '01:00',
      timezone: 'UTC'
    });
  };

  const getRobotSchedule = async () => {
    if (recordingId) {
      const scheduleData = await getSchedule(recordingId);
      console.log(`Robot found schedule: ${JSON.stringify(scheduleData, null, 2)}`);
      setSchedule(scheduleData);
    } else {
      console.error('No recording id provided');
    }
  }

  useEffect(() => {
    if (isOpen) {
      const fetchSchedule = async () => {
        await getRobotSchedule();
      };
      fetchSchedule();
    }
  }, [isOpen]);

  return (
    <GenericModal
      isOpen={isOpen}
      onClose={handleClose}
      modalStyle={modalStyle}
    >
      <Box sx={{
        display: 'flex',
        flexDirection: 'column',
        alignItems: 'flex-start',
        padding: '20px',
        '& > *': { marginBottom: '20px' },
      }}>
        <Typography variant="h6" sx={{ marginBottom: '20px' }}>Schedule Settings</Typography>
        <>
          {
            (schedule !== null) ? (
              <>
                <Typography>Robot is scheduled to run every {schedule.runEvery} {schedule.runEveryUnit} starting from {schedule.startFrom} at {schedule.atTimeStart} to {schedule.atTimeEnd} in {schedule.timezone} timezone.</Typography>
                <Box mt={2} display="flex" justifyContent="space-between">
                  <Button
                    onClick={deleteRobotSchedule}
                    variant="contained"
                    color="primary"
                  >
                    Delete Schedule
                  </Button>
                </Box>
              </>
            ) : (
              <>
                <Box sx={{ display: 'flex', alignItems: 'center', width: '100%' }}>
                  <Typography sx={{ marginRight: '10px' }}>Run once every</Typography>
                  <TextField
                    type="number"
                    value={settings.runEvery}
                    onChange={(e) => handleChange('runEvery', parseInt(e.target.value))}
                    sx={textStyle}
                    inputProps={{ min: 1 }}
                  />
                  <Dropdown
                    label=""
                    id="runEveryUnit"
                    value={settings.runEveryUnit}
                    handleSelect={(e) => handleChange('runEveryUnit', e.target.value)}
                    sx={dropDownStyle}
                  >
                    {units.map((unit) => (
                      <MenuItem key={unit} value={unit}>{unit}</MenuItem>
                    ))}
                  </Dropdown>
                </Box>

                <Box sx={{ display: 'flex', alignItems: 'center', width: '100%' }}>
                  <Typography sx={{ marginBottom: '5px', marginRight: '25px' }}>Start from / On</Typography>
                  <Dropdown
                    label=""
                    id="startFrom"
                    value={settings.startFrom}
                    handleSelect={(e) => handleChange('startFrom', e.target.value)}
                    sx={dropDownStyle}
                  >
                    {days.map((day) => (
                      <MenuItem key={day} value={day}>{day}</MenuItem>
                    ))}
                  </Dropdown>
                </Box>

                {['MINUTES', 'HOURS'].includes(settings.runEveryUnit) ? (
                  <Box sx={{ display: 'flex', alignItems: 'center', width: '100%' }}>
                    <Box sx={{ marginRight: '20px' }}>
                      <Typography sx={{ marginBottom: '5px' }}>In Between</Typography>
                      <TextField
                        type="time"
                        value={settings.atTimeStart}
                        onChange={(e) => handleChange('atTimeStart', e.target.value)}
                        sx={textStyle}
                      />
                      <TextField
                        type="time"
                        value={settings.atTimeEnd}
                        onChange={(e) => handleChange('atTimeEnd', e.target.value)}
                        sx={textStyle}
                      />
                    </Box>
                  </Box>
                ) : (
                  <Box sx={{ display: 'flex', alignItems: 'center', width: '100%' }}>
                    <Typography sx={{ marginBottom: '5px', marginRight: '10px' }}>At Around</Typography>
                    <TextField
                      type="time"
                      value={settings.atTimeStart}
                      onChange={(e) => handleChange('atTimeStart', e.target.value)}
                      sx={textStyle}
                    />
                  </Box>
                )}

                <Box sx={{ display: 'flex', alignItems: 'center', width: '100%' }}>
                  <Typography sx={{ marginRight: '10px' }}>Timezone</Typography>
                  <Dropdown
                    label=""
                    id="timezone"
                    value={settings.timezone}
                    handleSelect={(e) => handleChange('timezone', e.target.value)}
                    sx={dropDownStyle}
                  >
                    {validMomentTimezones.map((tz) => (
                      <MenuItem key={tz} value={tz}>{tz}</MenuItem>
                    ))}
                  </Dropdown>
                </Box>
                <Box mt={2} display="flex" justifyContent="flex-end">
                  <Button onClick={() => handleStart(settings)} variant="contained" color="primary">
                    Save Schedule
                  </Button>
                  <Button onClick={handleClose} color="primary" variant="outlined" style={{ marginLeft: '10px' }}>
                    Cancel
                  </Button>
                </Box>
              </>
            )
          }
        </>
      </Box>
    </GenericModal>
  );
};