import Breadcrumb from "../components/Breadcrumbs";
import {
    Accordion,
    AccordionDetails,
    AccordionSummary, Box, Button,
    Card, CardActionArea, CardActions, CardContent, CardMedia,
    Container, Divider, FormControl,
    Grid, MenuItem, Select,
    Typography,
    useMediaQuery
} from "@mui/material";
import {connect} from "react-redux";
import {actionFullCatById, actionFullRootCats} from "../actions/ActionCategory";
import Link from "react-router-dom/es/Link";
import Route from "react-router-dom/es/Route";
import Switch from "react-router-dom/es/Switch";
import {useEffect, useState} from "react";
import {backURL} from "../actions/PathDB";
import {actionCardRemove, actionCartAdd} from "../reducers/CartReducer";
import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
import FavoriteBorderIcon from "@mui/icons-material/FavoriteBorder";
import AddShoppingCartIcon from '@mui/icons-material/AddShoppingCart';
import {Pagination} from "@mui/material";
import {actionWishListAdd, actionWishListRemove} from "../reducers/WishListReducer";
import FavoriteIcon from '@mui/icons-material/Favorite';
import ShoppingCartIcon from '@mui/icons-material/ShoppingCart';
import imgNotFound from "../img/catalog/imgNotFound.png";
import {NotFoundBlock} from "../components/NotFoundBlock";

const CategoryItem = ({object: {_id, name, subCategories}={}}) => {
    const [expanded, setExpanded] = useState(false);

    const handleChange = (panel) => (event, isExpanded) => {
        setExpanded(isExpanded ? panel : false);
    };

    return (
        <>
            {subCategories === null || !subCategories ?
                <li>
                    <Link style={{textDecoration: 'none'}} to={`/catalog/category/${_id}`}>
                        <Typography
                            variant='body1'
                            color='#616161'
                            marginBottom='10px'
                        >
                            {name}
                        </Typography>
                    </Link>
                </li>
                :
                <li>
                    <Accordion style={{border: 'none', borderRadius: '0',marginTop: '-10px', boxShadow: 'none'}} expanded={expanded === 'panel1'} onChange={handleChange('panel1')}>
                        <AccordionSummary
                            sx={{padding: '0'}}
                            expandIcon={<ExpandMoreIcon />}
                            aria-controls="panel1bh-content"
                            id="panel1bh-header"
                        >
                            <Link style={{textDecoration: 'none'}} to={`/catalog/category/${_id}`}>
                                <Typography
                                    variant='body1'
                                    color='#616161'
                                    padding='0'
                                >
                                    {name}
                                </Typography>
                            </Link>
                        </AccordionSummary>
                        <AccordionDetails>
                            <ul style={{listStyle: 'none', padding: '0 0 0 10px', marginBottom: '10px'}}>
                                {subCategories && Object.values(subCategories).map(item =>
                                    <CategoryItem key={item['_id']} object={item}/>
                                )}
                            </ul>
                        </AccordionDetails>
                    </Accordion>
                </li>
            }
        </>
    )
}
const CategoryAside = ({category}) => {
    return (
        <Grid sx={{backgroundColor: '#fff', padding: '30px'}} xs={12} lg={3} item>
            <Typography
                variant='h6'
                letterSpacing='3px'
                lineHeight='1.3em'
                marginBottom='20px'
            >
                PRODUCT CATEGORIES
            </Typography>
            <ul style={{listStyle: 'none', padding: '0'}}>
                {category && Object.values(category).map(item =>
                    <CategoryItem key={item['_id']} object={item}/>
                )}
            </ul>
        </Grid>
    )
}

const GoodCard = ({good:{_id, name, description, price, images}={}, wishlist={}, cart={}, onCartAdd, onWishListAdd, onCartRemove, onWishListRemove}) => {
    return (
        <Grid xs={12} lg={4} item margin='20px 0'>
            <Card sx={{ maxWidth: 345, height: '100%', display: 'flex', flexDirection: 'column', margin: 'auto 20px'}}>
                <CardActionArea sx={{padding: '0', flexGrow: '1', position: 'relative'}}>
                    <Link  to={`/good/${_id}`} style={{position: 'relative', textDecoration: 'none'}}>
                        <CardMedia sx={{marginBottom: '20px', marginTop: '20px'}}
                            component="img"
                            height="230"
                            image={images && images[0]?.url ? `${backURL}/${images[0]?.url}` : imgNotFound}
                            alt="Good title image"
                        />
                        <CardContent sx={{display: 'flex', flexDirection: 'column', height: '200px', justifyContent: 'space-between'}}>
                            <Typography
                                textAlign='center'
                                fontFamily='sarif'
                                letterSpacing='2px'
                                marginBottom='20px'
                                fontSize='19px'
                                sx={{textTransform: 'uppercase', flexGrow: '1'}}
                                color='#000'
                            >
                               {name.length > 30 ? name.split(' ').splice(0, 6).join(' ') : name}
                            </Typography>
                            <Typography textAlign='center' variant="body2" color='#616161' marginBottom='20px' sx={{ flexGrow: '0'}}>
                                {description && description.length > 60 ?
                                    'Lorem ipsum dolor sit amet, consectetur adipisicing elit.' :
                                    description
                                }
                            </Typography>
                            <Typography textAlign='center' variant="h5" color="#000" sx={{ flexGrow: '0'}}>
                                $ {parseFloat(price).toFixed(2)}
                            </Typography>
                        </CardContent>
                    </Link>
                </CardActionArea>
                <CardActions sx={{flexGrow: '0', justifyContent: 'space-between'}}>
                    <Button onClick={() => {_id in cart ? onCartRemove({_id, name, price, images}) : onCartAdd({_id, name, price, images})}} size="small" color="primary">
                        {_id in cart ? <ShoppingCartIcon/> : <AddShoppingCartIcon />}
                    </Button>
                    <Button onClick={() => {_id in wishlist ? onWishListRemove({_id, name, price, images}) : onWishListAdd({_id, name, price, images})}} size="small" color="primary">
                        {_id in wishlist ? <FavoriteIcon/> : <FavoriteBorderIcon />}
                    </Button>
                </CardActions>
            </Card>
        </Grid>
    )
}
const CGoodCard = connect(state => ({wishlist: state.wishlist, cart: state.cart}),
    {onCartAdd: actionCartAdd, onWishListAdd: actionWishListAdd, onCartRemove: actionCardRemove, onWishListRemove: actionWishListRemove})(GoodCard)

const Goods = ({_id, category={}}) => {
    const itemsPerPage = 6
    const [page, setPage] = useState(1)
    const [count, setCount] = useState(1)
    const [goods, setGoods] = useState([])
    const [sort, setSort] = useState(0)

    const sortDefault = () => {
        setGoods([goods[0].sort((a, b) => a['name'] > b['name'] ? 1 : -1)])
    }
    const sortLatest = () => {
        setGoods([goods[0].sort((a, b) => b['createdAt'] > a['createdAt'] ? 1 : -1)])
    }
    const sortLowToHigh = () => {
        setGoods([goods[0].sort((a, b) => a['price'] > b['price'] ? 1 : -1)])
    }
    const sortHighToLow = () => {
        setGoods([goods[0].sort((a, b) => b['price'] > a['price'] ? 1 : -1)])
    }

    const handleChange = (event, value) => {
        setPage(value);
    }
    const handleChangeSelect = (event) => {
        setSort(event.target.value);
        if (event.target.value === 0) sortDefault()
        else if (event.target.value === 1) sortLatest()
        else if (event.target.value === 2) sortLowToHigh()
        else if (event.target.value === 3) sortHighToLow()
    }

    useEffect(() => {
        let arr = (Object.values(category) || []).map(item => {
            if (item['_id'] === _id) {
                if (Array.isArray(item?.goods) && item?.goods.length > 0) {
                    setCount(Math.ceil(item.goods.length / itemsPerPage))
                    return item.goods
                }
            }
            else if(Array.isArray(item['subCategories'])) {
                let arr = item['subCategories'].map(subItem => {
                    if (subItem['_id'] === _id) {
                        if (Array.isArray(subItem?.goods) && subItem?.goods.length > 0) {
                            setCount(Math.ceil(subItem.goods.length / itemsPerPage))
                            return subItem.goods
                        }
                    }
                    else if(Array.isArray(subItem['subCategories'])) {
                        let arr = subItem['subCategories'].map(subSubItem => {
                            if (subSubItem['_id'] === _id) {
                                if (Array.isArray(subSubItem?.goods && subSubItem?.goods.length > 0)) {
                                    setCount(Math.ceil(subSubItem.goods.length / itemsPerPage))
                                    return subSubItem.goods
                                }
                            }
                            else {
                                return 0
                            }
                        }).filter(item => item)
                        return arr.length > 0 ? [...arr[0]] : 0
                    }
                    else {
                        return 0
                    }
                }).filter(item => item)
                return arr.length > 0 ? [...arr[0]] : 0
            }
            else {
                return 0
            }
        }).filter(item => item)
        setGoods(arr)
    }, [_id, category])

    return (
        <>
            {(goods.length > 0 ?
                <Box sx={{height:'100%', display: 'flex', flexDirection: 'column', justifyContent: 'space-between'}}>
                    <Box display='flex' alignItems='center' justifyContent='space-between' padding='0 20px'>
                        <Typography
                            variant='body1'
                            color='#616161'
                            letterSpacing='1px'
                        >
                            SHOWING {goods[0].length > itemsPerPage ? `${((page-1) * itemsPerPage)+1}-${page * itemsPerPage > goods[0].length ? goods[0].length : page * itemsPerPage}` : goods[0].length} OF {goods[0].length} RESULTS
                        </Typography>
                        <FormControl variant="standard">
                            <Select
                                labelId="demo-simple-select-label"
                                id="demo-simple-select"
                                value={sort}
                                label="Sort"
                                onChange={handleChangeSelect}
                                sx={{textTransform: 'uppercase', color: '#616161'}}
                            >
                                <MenuItem value={0}>Default sorting</MenuItem>
                                <MenuItem value={1}>Sort by latest</MenuItem>
                                <MenuItem value={2}>Sort by price: low to high</MenuItem>
                                <MenuItem value={3}>Sort by price: high to low</MenuItem>
                            </Select>
                        </FormControl>
                    </Box>
                    <Box flexGrow='1'>
                        <Grid container justifyContent='space-between'>
                            {[...goods[0]].slice((page - 1) * itemsPerPage, page * itemsPerPage)
                                     .map(good => <CGoodCard key={good['_id']} good={good}/>)}
                        </Grid>
                    </Box>
                    <Box width='100%' flexGrow='0'>
                        <Divider sx={{margin: '20px'}}/>
                        <Box display='flex' justifyContent='center' width='100%'>
                            <Pagination
                                count={count}
                                page={page}
                                onChange={handleChange}
                                defaultPage={1}
                                color="primary"
                                size="large"
                                showFirstButton
                                showLastButton
                            />
                        </Box>
                    </Box>
                </Box>
                : <NotFoundBlock/>)
            }
        </>
    )
}
const CGoods = connect(state => ({category: state.category}))(Goods)

const BlockGood = ({match:{params:{_id}}, getData}) => {
    useEffect(() => {
        getData(_id)
    },[_id, getData])
    return(
        <CGoods key={_id} _id={_id} />
    )
}
const CBlockGood= connect(null, {getData: actionFullCatById})(BlockGood)

const Products = () => {
    return (
        <Grid xs={12} lg={9} item>
            <Switch>
                <Route path="/catalog/category/:_id" component={CBlockGood} />
                <Route path="*" component={NotFoundBlock} />
            </Switch>
        </Grid>
    )
}

const CatalogPage = ({category={}, actionRootCat}) => {
    const matches = useMediaQuery('(max-width:899px)')
    if(Object.entries(category).length === 0) actionRootCat()

    return (
        <>
            <Breadcrumb links={['catalog']}/>
            <main style={{backgroundColor: "#f3f3f3", padding: matches ? "20px 0" : "50px 0"}}>
                <Container maxWidth="lg">
                    <Grid container justifyContent='space-between'>
                        <CategoryAside category={category}/>
                        <Products/>
                    </Grid>
                </Container>
            </main>
        </>
    )
}
const CCatalogPage = connect(state => ({category: state.category}), {actionRootCat: actionFullRootCats})(CatalogPage)

export default CCatalogPage

//TODO MOBILE VERSION