import { url } from "../../App";

import React, { useEffect, useState } from "react"
import { Tabs, Tab, TabPanel, Box, Typography, CardHeader, Avatar, Stack, FormControl, InputLabel, OutlinedInput, InputAdornment, IconButton, InputBase, Grid, List, ListItem, ListItemAvatar, ListItemText, Divider, Paper, CircularProgress } from '@mui/material';
import Button from '@mui/material-next/Button';
import PropTypes from 'prop-types';
import { PersonSearchRounded, ForumRounded, CollectionsRounded, SearchRounded, TouchAppRounded } from '@mui/icons-material';
import { useDispatch, useSelector } from "react-redux";

import { actionFullSearch } from "../../redux/thunks";
import { useHistory } from "react-router-dom";



export default function Search() {

    const dispatch = useDispatch()

    const searchUserLogin = useSelector(state => state?.search?.userLogin?.payload)
    const searchUserNick = useSelector(state => state?.search?.userNick?.payload)
    const searchPostTitle = useSelector(state => state?.search?.postTitle?.payload)
    const searchPostText = useSelector(state => state?.search?.postText?.payload)
    const searchCommenttext = useSelector(state => state?.search?.commetText?.payload)

    const searchUserLoginStatus = useSelector(state => state?.search?.userLogin?.status)
    const searchUserNickStatus = useSelector(state => state?.search?.userNick?.status)
    const searchPostTitleStatus = useSelector(state => state?.search?.postTitle?.status)
    const searchPostTextStatus = useSelector(state => state?.search?.postText?.status)
    const searchCommenttextStatus = useSelector(state => state?.search?.commetText?.status)

    // отслеживаем статус загрузки всех промисов
    const [downloadStatus, setDownloadStatus] = useState(false)
    console.log('downloadStatus: ', downloadStatus)

    useEffect(() => {
        setDownloadStatus(
            (searchUserLoginStatus === 'FULFILLED') &&
            (searchUserNickStatus === 'FULFILLED') &&
            (searchPostTitleStatus === 'FULFILLED') &&
            (searchPostTextStatus === 'FULFILLED') &&
            (searchCommenttextStatus === 'FULFILLED')
        )
    },
        [searchUserLoginStatus, searchUserNickStatus, searchPostTitleStatus, searchPostTextStatus, searchCommenttextStatus])


    // собираем все в один массив после завершения поиска
    const [fullSearchData, setFullSearchData] = useState([])
    // console.log('fullSearchData; ', fullSearchData?.length)

    useEffect(() => {
        setFullSearchData((searchUserLogin && searchUserNick && searchPostTitle && searchPostText && searchCommenttext) && [...new Map([...searchUserLogin, ...searchUserNick, ...searchPostTitle, ...searchPostText, ...searchCommenttext]?.map(item => [item?._id, item])).values()])
    },
        [searchUserLogin, searchUserNick, searchPostTitle, searchPostText, searchCommenttext])


    // отслеживание состояния для элемента статус-бара
    const [isProgress, setIsProgress] = useState(downloadStatus)
    // console.log('isProgress: ', isProgress)


    // отслеживание текста в поле ввода
    const [inputText, setInputText] = useState('')


    // отслеживание нажатия enter на кнопку поиска
    const searchButtonClick = document.getElementById('searchField');
    searchButtonClick && searchButtonClick.addEventListener('keydown', function (e) {
        if (e.code === 'Enter') {
            e.preventDefault()
            onSearching()
        }
    })


    // отправка запроса на поиск
    async function onSearching() {
        // setIsProgress(!isProgress)

        const newText = (new RegExp(inputText.split(' ').join('|'))).toString()

        const res = await dispatch(actionFullSearch(newText))

        // console.log(22, res)

        // setIsProgress(!isProgress)
    }



    return (
        <Box
            sx={{
                padding: '16px',
                width: '80%',
                margin: '0 auto',
            }}
        >
            <Stack spacing={2}>
                <Box sx={{
                    border: '1px solid #E8E8E8',
                    borderRadius: '8px',
                    padding: '8px'
                }}
                >
                    <InputBase

                        fullWidth={true}
                        placeholder="Найти..."
                        value={inputText}
                        onChange={e => setInputText(e.target.value)}
                        inputProps={{
                            'aria-label': 'Найти...',
                            id: 'searchField'
                        }}
                        sx={{
                            ml: 1, flex: 1
                        }}
                        startAdornment={
                            <SearchRounded position="start" />
                        }

                        endAdornment={
                            <Typography
                                variant='subtitle2'
                                align='right'
                                color='primary.main'
                                sx={{
                                    alignSelf: 'center',
                                    cursor: 'pointer',
                                    margin: '0 8px',
                                    fontWeight: '700'
                                }}>
                                {inputText !== '' &&
                                    <Box
                                        onClick={onSearching}
                                    >
                                        <Button
                                            startIcon={<TouchAppRounded />}
                                            color="primary"
                                            size="small"
                                            variant="filledTonal"
                                            sx={{
                                                padding: '5px 10px'
                                            }}
                                        >
                                            Искать
                                        </Button>
                                    </Box>
                                }
                            </Typography>
                        }
                    />
                </Box>


                {/* {!downloadStatus
                    ? isProgress && <CircularProgress />
                    : */}
                <Box>
                    <List
                        sx={{
                            bgcolor: 'background.paper',
                            width: '90%',
                            margin: '0 auto'
                        }}>
                        {fullSearchData && fullSearchData?.map(item => <SearchCard data={item} key={item?._id} />)}
                    </List>
                </Box>
                {/* } */}



            </Stack >

            {fullSearchData && fullSearchData?.length === 0 &&
                <Typography>
                    нихера не нашло
                </Typography>}
        </Box>
    )
}


function SearchCard({ data }) {
    const history = useHistory()

    function toPost() {
        if (data?.title) history.push(`/post/${data?._id}`)

        if (data?.post) history.push(`/post/${data?.post?._id}`)
    }

    function toUser() {
        history.push(`/user/${data?.owner ? data?.owner?._id : data?._id}`)
    }


    return (
        <Paper
            elevation={3}
            sx={{
                padding: '8px',
                marginTop: '10px'
            }}
        >

            <ListItem
                alignItems="flex-start"
                sx={{
                    cursor: 'pointer',
                    width: '100%',
                    padding: '0 16px'
                }}
                onClick={toUser}
            >
                <ListItemAvatar>
                    <Avatar
                        alt={data?.owner ? data?.owner?.login : data?.login}
                        src={url + (data?.owner ? data?.owner?.avatar?.url : data?.avatar?.url)} />
                </ListItemAvatar>

                <ListItemText
                    primary={data?.owner ? data?.owner?.login : data?.login}
                    secondary={
                        <Typography
                            sx={{ display: 'inline' }}
                            component="span"
                            variant="body2"
                            color="text.primary"
                        >
                            {data?.owner ? data?.owner?.nick : data?.nick}
                        </Typography>
                    }
                />

            </ListItem>

            {data?.owner &&
                <ListItem
                    sx={{
                        border: '1px solid #E8E8E8',
                        borderRadius: '8px',
                        marginTop: '8px',
                        cursor: 'pointer'
                    }}
                    onClick={toPost}
                >
                    <ListItemText
                        primary={data?.title && data?.title}
                        secondary={data?.text &&
                            <Typography
                                sx={{ display: 'inline' }}
                                component="span"
                                variant="body2"
                                color="text.primary"
                            >
                                {data?.text}
                            </Typography>
                        }
                    />
                </ListItem>}

        </Paper>
    )
}