import React, { type ComponentProps, Fragment } from "react"
import { Stack, Heading, Separator, HStack, Flex, Badge, Card,  LinkOverlay, LinkBox } from '@chakra-ui/react';
import { type ComponentClientApiJson, type ComponentCommonApiJson, type ComponentsApiJson, isComponentClientApiJson, isComponentSourceApiJson, type MsSseEvent, type MsSseEventPayload } from "../../../core/Api.js";
import { Link } from "react-router";
import { TextMuted } from "../TextMuted.js";
import { capitalize } from "../../../core/StringUtils.js";
import { ChevronRightButton, IdleIcon } from "../icons/ChakraIcons.js";
import { PlayersContainer, PlayersContainerFetchable } from "../chakraPlayer/Player.js";
import { type QueryFunctionContext, useQuery, useQueryClient } from '@tanstack/react-query';
import { ErrorAlert } from "../ErrorAlert";
import {
  useSSEContext,
  useSSEAnyEvent
} from "@flamefrontend/sse-runtime-react";
import { CountIndicatorStreamable, DeadLetterIndicatorStreamable, QueuedIndicatorStreamable } from "./Stats.js";
import { ComponentStateBadge } from "../Badges.js";
import { MSErrorBoundary } from "../ErrorBoundary.js";

const presentPlayersContainerProps: ComponentProps<typeof Stack> = {
//paddingTop: '2',
//borderTopWidth: '1px'
};

export const MSComponentSummary = (props: { data: ComponentsApiJson, fetchable?: boolean }) => {
        const {
        data,
        fetchable
    } = props;
    let sleepingRender: React.JSX.Element | null = null;

    const cardHeaderProps: Card.HeaderProps = {};
    const isClient = isComponentClientApiJson(data);
    if(isComponentSourceApiJson(data)) {
        const {
            sleeping
        } = data;
        if(sleeping) {
           sleepingRender = <IdleIcon animated/>;
        }
    }
    const body = (<Card.Body px="3" py="2" paddingTop="3">
        {fetchable ? <PlayersContainerFetchable data={data} nowPlaying={isClient} stack={presentPlayersContainerProps}/> : <PlayersContainer data={data} nowPlaying={isClient} live={fetchable} stack={presentPlayersContainerProps}/>}
    </Card.Body>);

    return (
    <MSErrorBoundary>
    <Card.Root variant="subtle">
        <LinkBox>
        <Card.Header {...cardHeaderProps}>
            <Flex justify="space-between">
                <Heading>{data.name}</Heading>
                <Stack justify="flex-start" alignItems="flex-end">
                    <HStack gap="2">
                    {sleepingRender}
                    <ComponentStateBadge maxWidth="fit-content" componentId={props.data.id} live data={props.data} />
                    <Separator orientation="vertical" height="4" />
                    <LinkOverlay asChild>
                    <Link to={`components/${props.data.id}`}>
                    <ChevronRightButton variant="ghost" size="xs"/>
                    </Link>
                    </LinkOverlay>
                    </HStack>
                    {/* <Text textStyle="sm" textAlign="end">{props.data.status}</Text> */}
                </Stack>
            </Flex>
            <TextMuted textStyle="md">{capitalize(data.type)} <Badge color={data.mode === 'client' ? 'var(--chakra-colors-purple-fg)' : 'var(--chakra-colors-pink-fg)'} size="sm" variant="outline">{capitalize(data.mode)}</Badge></TextMuted>
            <QuickStatsSource data={data} streamable={props.fetchable} />
        </Card.Header>
        </LinkBox>
        <MSErrorBoundary>{body}</MSErrorBoundary>
    </Card.Root>
    </MSErrorBoundary>)
}

//colorPalette={data.mode === 'client' ? 'purple' : 'pink'}
// color={data.mode === 'client' ? 'purple' : 'pink'}

const QuickStatsSource = (props: { data: ComponentCommonApiJson, streamable?: boolean }) => (
            <Fragment>
                <HStack gap="2">
                <QueuedIndicatorStreamable data={props.data} as="text"/>
                <Separator orientation="vertical" height="4" />
                <DeadLetterIndicatorStreamable data={props.data} as="text"/>
                <HStack gap="2" hideBelow="sm">
                <Separator orientation="vertical" height="4" />
                <CountIndicatorStreamable data={props.data} as="text"/>
                </HStack>
                </HStack>
            </Fragment>
        )

export const MSComponentSummaryFetchable = (props: {componentId: number, data: ComponentsApiJson}) => {
    const {
        componentId,
        data: initData
    } = props;
    const queryClient = useQueryClient();

    const client = useSSEContext<MsSseEvent>();
    useSSEAnyEvent(client, (payload) => {
        if('componentId' in (payload.data as object) && (payload.data as Record<string, any>).componentId === componentId) {
            switch(payload.type) {
                case 'componentUpdate':
                    queryClient.setQueryData<ComponentsApiJson>(['components', componentId, 'summary'], (old) => {
                        if(old === undefined) {
                            return old;
                        }
                        const componentData = payload.data as MsSseEventPayload<Partial<ComponentCommonApiJson>>;
                            return {...old, ...componentData.data};
                    });
            }
        }
    });

    const { isPending, isError, data, error } = useQuery({
        queryKey: ['components', componentId, 'summary'],
        queryFn: queryFn,
        // data comes from the parent list and is kept up to date by SSE events, never fetched
        initialData: initData,
        structuralSharing: false,
        staleTime: Infinity,
    });

    if (isError) {
        return <ErrorAlert error={error} />
    }

    return <MSComponentSummary data={data} fetchable/>
}

type ComponentSummaryQueryKey = ['components', number, 'summary'];
// placeholder, never called: query always has initialData and staleTime is Infinity
const queryFn = async (context: QueryFunctionContext<ComponentSummaryQueryKey>) => {
    return {} as ComponentsApiJson;
}