import React, { useState, useRef } from 'react';
import { ListItemIcon, Menu, MenuItem, Typography, styled } from '@mui/material';
import PushPinIcon from '@mui/icons-material/PushPin';
import { saveToLocalStorage } from './Apps/AppsNavBar';
import { useRecoilState } from 'recoil';
import { sortablePinnedAppsAtom } from '../atoms/global';

const CustomStyledMenu = styled(Menu)(({ theme }) => ({
    '& .MuiPaper-root': {
        backgroundColor: '#f9f9f9',
        borderRadius: '12px',
        padding: theme.spacing(1),
        boxShadow: '0 5px 15px rgba(0, 0, 0, 0.2)',
    },
    '& .MuiMenuItem-root': {
        fontSize: '14px',
        color: '#444',
        transition: '0.3s background-color',
        '&:hover': {
            backgroundColor: '#f0f0f0',
        },
    },
}));

export const ContextMenuPinnedApps = ({ children, app, isMine }) => {
    const [menuPosition, setMenuPosition] = useState(null);
    const longPressTimeout = useRef(null);
    const maxHoldTimeout = useRef(null);
    const preventClick = useRef(false);
    const startTouchPosition = useRef({ x: 0, y: 0 }); // Track initial touch position
    const [sortablePinnedApps, setSortablePinnedApps] = useRecoilState(sortablePinnedAppsAtom);

    const handleContextMenu = (event) => {
        if(isMine) return
        event.preventDefault();
        event.stopPropagation();
        preventClick.current = true;
        setMenuPosition({
            mouseX: event.clientX,
            mouseY: event.clientY,
        });
    };

    const handleTouchStart = (event) => {
        if(isMine) return

        const { clientX, clientY } = event.touches[0];
        startTouchPosition.current = { x: clientX, y: clientY };

        longPressTimeout.current = setTimeout(() => {
            preventClick.current = true;
          
            event.stopPropagation();
            setMenuPosition({
                mouseX: clientX,
                mouseY: clientY,
            });
        }, 500);

        // Set a maximum hold duration (e.g., 1.5 seconds)
        maxHoldTimeout.current = setTimeout(() => {
            clearTimeout(longPressTimeout.current);
        }, 1500);
    };

    const handleTouchMove = (event) => {
        if(isMine) return

        const { clientX, clientY } = event.touches[0];
        const { x, y } = startTouchPosition.current;

        // Determine if the touch has moved beyond a small threshold (e.g., 10px)
        const movedEnough = Math.abs(clientX - x) > 10 || Math.abs(clientY - y) > 10;

        if (movedEnough) {
            clearTimeout(longPressTimeout.current);
            clearTimeout(maxHoldTimeout.current);
        }
    };

    const handleTouchEnd = (event) => {
        if(isMine) return

        clearTimeout(longPressTimeout.current);
        clearTimeout(maxHoldTimeout.current);
        if (preventClick.current) {
            event.preventDefault();
            event.stopPropagation();
            preventClick.current = false;
        }
    };

    const handleClose = (e) => {
        if(isMine) return

        e.preventDefault();
        e.stopPropagation();
        setMenuPosition(null);
    };

    return (
        <div
            onContextMenu={handleContextMenu}
            onTouchStart={handleTouchStart}
            onTouchMove={handleTouchMove}
            onTouchEnd={handleTouchEnd}
            style={{ touchAction: 'none' }}
        >
            {children}
            <CustomStyledMenu
                disableAutoFocusItem
                open={!!menuPosition}
                onClose={handleClose}
                anchorReference="anchorPosition"
                anchorPosition={
                    menuPosition
                        ? { top: menuPosition.mouseY, left: menuPosition.mouseX }
                        : undefined
                }
                onClick={(e) => {
                    e.stopPropagation();
                }}
            >
                <MenuItem onClick={(e) => {
                    handleClose(e);
                    setSortablePinnedApps((prev) => {
                        if(app?.isPrivate){
                            const updatedApps = prev.filter(
                                (item) => !(item?.privateAppProperties?.name === app?.privateAppProperties?.name && item?.privateAppProperties?.service === app?.privateAppProperties?.service && item?.privateAppProperties?.identifier === app?.privateAppProperties?.identifier)
                            );
                            saveToLocalStorage('ext_saved_settings', 'sortablePinnedApps', updatedApps);
                            return updatedApps;
                        } else {
                            const updatedApps = prev.filter(
                                (item) => !(item?.name === app?.name && item?.service === app?.service)
                            );
                            saveToLocalStorage('ext_saved_settings', 'sortablePinnedApps', updatedApps);
                            return updatedApps;
                        }
                    });
                }}>
                    <ListItemIcon sx={{ minWidth: '32px' }}>
                        <PushPinIcon fontSize="small" />
                    </ListItemIcon>
                    <Typography variant="inherit" sx={{ fontSize: '14px' }}>
                        Unpin app
                    </Typography>
                </MenuItem>
            </CustomStyledMenu>
        </div>
    );
};