import { useUserInformation } from "@/app/providers/InformationProvider/useUserInformation";
import { useRosettaColors } from "@/app/hooks/useRosettaColors";
import { Avatar, Badge, Box, Divider, Flex, Loader, Skeleton, Text, useComputedColorScheme, useMantineTheme } from "@mantine/core";
import { IconAlertCircle, IconBellOff, IconBookmark, IconCheck, IconChecks, IconClock, IconPin } from "@tabler/icons-react";
import { usePublicKey } from "@/app/providers/AccountProvider/usePublicKey";
import { VerifiedBadge } from "../VerifiedBadge/VerifiedBadge";
import { OnlineState } from "@/app/providers/ProtocolProvider/protocol/packets/packet.onlinestate";
import { DeliveredMessageState } from "@/app/providers/DialogProvider/DialogProvider";
import { dotMessageIfNeeded, isMessageDeliveredByTime } from "@/app/utils/utils";
import { usePacket } from "@/app/providers/ProtocolProvider/usePacket";
import { useRef, useState } from "react";
import { PacketTyping } from "@/app/providers/ProtocolProvider/protocol/packets/packet.typeing";
import { useAvatars } from "@/app/providers/AvatarProvider/useAvatars";
import { TextParser } from "../TextParser/TextParser";
import { useMemory } from "@/app/providers/MemoryProvider/useMemory";
import { DialogRow } from "@/app/providers/DialogListProvider/DialogListProvider";
import { useDialogInfo } from "@/app/providers/DialogListProvider/useDialogInfo";
import { useDialogContextMenu } from "@/app/hooks/useDialogContextMenu";
import { useDialogPin } from "@/app/providers/DialogStateProvider.tsx/useDialogPin";
import { useDialogMute } from "@/app/providers/DialogStateProvider.tsx/useDialogMute";

export interface DialogProps extends DialogRow {
    onClickDialog: (dialog: string) => void;
}

export function Dialog(props : DialogProps) {
    const colors = useRosettaColors();
    const theme = useMantineTheme();
    const computedTheme = useComputedColorScheme();
    const publicKey = usePublicKey();

    /**
     * Принимает public_key оппонента, для групп 
     * есть отдельный компонент GroupDialog
     */
    const opponent = props.dialog_id; 
    const {isMuted} = useDialogMute(opponent);
    const {isPinned} = useDialogPin(opponent);

    const [userInfo] = useUserInformation(opponent);

    const {lastMessage, unreaded, loading} = useDialogInfo(props);

    const lastMessageFromMe = lastMessage.from_me == 1;
    const fromMe = opponent == publicKey;
    const [userTypeing, setUserTypeing] = useState(false);
    const timeoutRef = useRef<NodeJS.Timeout>(undefined);
    const avatars = useAvatars(opponent);
    const [сurrentDialogPublicKeyView] = useMemory("current-dialog-public-key-view", "", true);
    const {openContextMenu} = useDialogContextMenu();

    const isInCurrentDialog = props.dialog_id == сurrentDialogPublicKeyView;
    const currentDialogColor = computedTheme == 'dark' ? '#2a6292' :'#438fd1';

    usePacket(0x0B, (packet : PacketTyping) => {
        if(packet.getFromPublicKey() == opponent && packet.getToPublicKey() == publicKey && !fromMe){
            console.info("User typeing packet received in Dialog");
            setUserTypeing(true);
            clearTimeout(timeoutRef.current);
            timeoutRef.current = setTimeout(() => {
                setUserTypeing(false);
            }, 3000);
        }
    }, [opponent]);

    return (
        <Box style={{
            cursor: 'pointer',
            userSelect: 'none',
            backgroundColor: isInCurrentDialog ? currentDialogColor : 'unset',
        }} 
        onClick={() => props.onClickDialog(props.dialog_id)}
        onContextMenu={() => {
            openContextMenu(props.dialog_id)
        }}
        >
            <Flex p={'sm'} gap={'sm'}>
                {
                    fromMe ? 
                    <Avatar
                        size={50}
                        color={'blue'}
                        variant={'filled'}
                    >
                        <IconBookmark stroke={2} size={20}></IconBookmark>
                    </Avatar> : 
                    <Box style={{ position: 'relative', display: 'inline-block' }}>
                        <Avatar src={avatars.length > 0 ? avatars[0].avatar : undefined} variant={isInCurrentDialog ? 'filled' : 'light'} name={userInfo.title} size={50} color={'initials'} />
                        {userInfo.online == OnlineState.ONLINE && (
                            <Box
                                style={{
                                    position: 'absolute',
                                    width: 12,
                                    height: 12,
                                    backgroundColor: colors.brandColor,
                                    borderRadius: '50%',
                                    border: computedTheme == 'dark' ? '2px solid #1A1B1E' : '2px solid #FFFFFF',
                                    bottom: 4,
                                    right: 0,
                                }}
                            />
                        )}
                    </Box>
                }
                <Flex w={'100%'} justify={'space-between'} direction={'row'} gap={'sm'}>
                    <Flex direction={'column'} gap={3}>
                        <Flex align={'center'} gap={5}>
                            <Text size={'sm'} c={computedTheme == 'light' && !isInCurrentDialog ? 'black' : 'white'} fw={500}>
                                {fromMe ? "Saved messages" : dotMessageIfNeeded(userInfo.title, 15)}
                            </Text>
                            <VerifiedBadge color={isInCurrentDialog ? 'white' : ''} size={15} verified={userInfo.verified}></VerifiedBadge>
                            {isMuted && <IconBellOff color={isInCurrentDialog ? '#fff' : colors.chevrons.active} size={13}></IconBellOff>}
                            {isPinned && <IconPin color={isInCurrentDialog ? '#fff' : colors.chevrons.active} size={13}></IconPin>}
                        </Flex>
                        {!userTypeing && <>
                            <Text component="div" c={
                                isInCurrentDialog ? '#fff' : colors.chevrons.active
                            } size={'xs'} style={{
                                maxWidth: '130px',
                                overflow: 'hidden',
                                textOverflow: 'ellipsis',
                                whiteSpace: 'nowrap',
                            }}>
                                {loading && <Skeleton height={10} mt={4} width={100}></Skeleton>}
                                {!loading && <TextParser __reserved_1={isInCurrentDialog} noHydrate={true} text={lastMessage.plain_message}></TextParser>}
                            </Text>                        
                        </>}
                        {userTypeing && <>
                            <Flex gap={5} align={'center'}>
                                <Text c={isInCurrentDialog ? '#fff' : theme.colors.blue[3]} fz={12}>typing </Text>
                                <Loader size={15} color={isInCurrentDialog ? '#fff' : theme.colors.blue[3]} type={'dots'}></Loader>
                            </Flex>
                        </>}
                    </Flex>
                    <Flex direction={'column'} align={'flex-end'} gap={8}>
                        {!loading && (
                            <Text c={сurrentDialogPublicKeyView == props.dialog_id ? '#fff' : colors.chevrons.active} fz={10}>
                                {new Date(lastMessage.timestamp).toLocaleTimeString('en-GB', { hour: '2-digit', minute: '2-digit' })}
                            </Text>
                        )}
                        {loading && (
                            <Skeleton height={8} mt={4} width={30}></Skeleton>
                        )}
                        {lastMessage.delivered == DeliveredMessageState.DELIVERED && <>
                            {lastMessageFromMe && unreaded > 0 && 
                            <IconCheck stroke={3} color={isInCurrentDialog ? '#fff' : theme.colors.blue[3]} size={14}></IconCheck>}
                            {lastMessageFromMe && unreaded <= 0 && 
                            <IconChecks stroke={3} color={isInCurrentDialog ? '#fff' : theme.colors.blue[3]} size={14}></IconChecks>}                    
                        </>}
                        {(lastMessage.delivered == DeliveredMessageState.WAITING && (isMessageDeliveredByTime(lastMessage.timestamp, lastMessage.attachments.length))) && <>
                            <IconClock stroke={2} size={13} color={theme.colors.gray[5]}></IconClock>
                        </>}
                        {!loading && (lastMessage.delivered == DeliveredMessageState.ERROR || (!isMessageDeliveredByTime(lastMessage.timestamp, lastMessage.attachments.length) && lastMessage.delivered != DeliveredMessageState.DELIVERED)) && (
                            <IconAlertCircle stroke={3} size={15} color={colors.error}></IconAlertCircle>
                        )}
                        {unreaded > 0 && !lastMessageFromMe && <Badge 
                            color={isInCurrentDialog ? 'white' : (isMuted ? colors.chevrons.active : colors.brandColor)} 
                            c={isInCurrentDialog ? colors.brandColor : 'white'} 
                            size={'sm'} circle={unreaded < 10}>{unreaded > 99 ? '99+' : unreaded}</Badge>}
                    </Flex>
                </Flex>
            </Flex>
            <Divider></Divider>
        </Box>
    )
}