import { Button, Divider, Grid, GridCol, Group, Stack, TextInput } from '@mantine/core';
import { useDebouncedValue, useDisclosure } from '@mantine/hooks';
import { useCommonHooks, useMutationAPI, useQueryAPI } from 'hooks';
import { useEffect, useState } from 'react';
import { textInputClasses } from 'styles';
import type { Message } from 'types';
import AddItemModal from '../Shared/AddItemModal';
import NoItemsFound from '../Shared/NoItemsFound';
import SettingsHeader from '../Shared/SettingsHeader';
import DebouncedMessage from './DebouncedMessage';

const MessageSettings = () => {
	const endpoint = 'api/messages';
	const { data: messageData, isFetched: isMessagesFetched } = useQueryAPI({
		endpoint: endpoint,
	});
	const { isMobile } = useCommonHooks();
	const { mutateAsync } = useMutationAPI();
	const [messages, setMessages] = useState<Message[]>([]);
	const [newMessage, setNewMessage] = useState('');
	const [newMessageError, setNewMessageError] = useState<string>('');
	const [message, setMessage] = useState({});
	const [debounced] = useDebouncedValue(message, 1000);
	const [searchValue, setSearchValue] = useState('');
	const [debouncedSearch] = useDebouncedValue(searchValue, 500);
	const [modalOpened, { open: openModal, close: closeModal }] = useDisclosure(false);
	const [isLoading, setIsLoading] = useState(false);

	const handleClose = () => {
		setNewMessage('');
		setNewMessageError('');
		closeModal();
	};

	useEffect(() => {
		if (messageData && isMessagesFetched) {
			setMessages(
				messageData.filter((m: Message) =>
					m.message.toLowerCase().includes(debouncedSearch.toLowerCase()),
				),
			);
		}
		if (debouncedSearch === searchValue) {
			setIsLoading(false);
		}
	}, [messageData, isMessagesFetched, debouncedSearch]);

	useEffect(() => {
		if (Object.keys(debounced).length) {
			mutateAsync({ method: 'PATCH', endpoint: endpoint, body: debounced });
		}
	}, [debounced]);

	return (
		<Stack w={'100%'}>
			<SettingsHeader
				setDragging={undefined}
				openModal={openModal}
				title={'Messages'}
				tooltip={{
					title: 'These custom messages will be displayed in the header on the homepage.',
					highlightList: [
						'$firstName',
						'$lastName',
						'$^firstName',
						'$^lastName',
						'messages',
					],
					description:
						'Built-in variables include $firstName and $lastName. To force the text to upper case, use a carat (^), ie, $^firstName. Messages may contain any unicode text.',
				}}
				searchValue={searchValue}
				setSearchValue={setSearchValue}
				searchPlaceholder={'Search Message content...'}
				isLoading={isLoading}
				setIsLoading={setIsLoading}
			/>
			<AddItemModal
				modalOpened={modalOpened}
				handleClose={handleClose}
				title={'Add a new message'}
				body={
					<Stack gap={0} w={'100%'} align='center'>
						<TextInput
							label='Message text'
							autoFocus={!isMobile}
							w={'75%'}
							className={textInputClasses.settingsItem}
							classNames={textInputClasses}
							onChange={(event) => {
								setNewMessage(event.target.value);
							}}
							error={newMessageError}
						/>
						<Divider color='black' my='lg' />
						<Group pos={'absolute'} bottom={8}>
							<Button
								color={'green'}
								styles={{ label: { color: 'black' } }}
								onClick={() => {
									if (newMessage) {
										mutateAsync({
											method: 'POST',
											endpoint: endpoint,
											body: { message: newMessage },
										}).then(handleClose);
									} else {
										setNewMessageError('Please enter a message');
									}
								}}
							>
								Save
							</Button>
							<Button
								color={'red'}
								styles={{ label: { color: 'black' } }}
								onClick={handleClose}
							>
								Cancel
							</Button>
						</Group>
					</Stack>
				}
			/>
			<Stack
				mt={isMobile ? '9rem' : '6rem'}
				mb={isMobile ? '6rem' : '1rem'}
				w={'100%'}
				align='center'
			>
				<Grid w={'75%'}>
					{messages.length > 0 ? (
						messages?.map((message: Message) => (
							<GridCol span={isMobile ? 12 : 6} key={message.id}>
								<DebouncedMessage
									label={`ID# ${message.id}`}
									message={message}
									setMessage={setMessage}
								/>
							</GridCol>
						))
					) : (
						<GridCol
							w={'100%'}
							span={12}
							style={{ display: 'flex', justifyContent: 'center' }}
						>
							<NoItemsFound />
						</GridCol>
					)}
				</Grid>
			</Stack>
		</Stack>
	);
};
export default MessageSettings;