import { Box, Button, ListItem, ListItemButton, ListItemText, Popover, Typography } from '@mui/material';
import React, { useContext, useEffect, useRef, useState } from 'react'
import { AutoSizer, CellMeasurer, CellMeasurerCache, List } from 'react-virtualized';
import { MyContext, getBaseApiReact } from '../../App';
import { LoadingButton } from '@mui/lab';
import { getBaseApi, getFee } from '../../background';
import LockIcon from '@mui/icons-material/Lock';
import NoEncryptionGmailerrorredIcon from '@mui/icons-material/NoEncryptionGmailerrorred';
import { Spacer } from "../../common/Spacer";

const cache = new CellMeasurerCache({
    fixedWidth: true,
    defaultHeight: 50,
  });



const getGroupInfo = async (groupId)=> {
  const response = await fetch(`${getBaseApiReact()}/groups/` + groupId);
  const groupData = await response.json();

  if (groupData) {
    return groupData
  } 
}
  export const getGroupNames = async (listOfGroups) => {
    let groups = [];
    if (listOfGroups && Array.isArray(listOfGroups)) {
      for (const group of listOfGroups) {
      
          const groupInfo = await getGroupInfo(group.groupId);
          if (groupInfo) {
            groups.push({ ...group, ...groupInfo });
          
        }
      }
    }
    return groups;
  }

export const UserListOfInvites = ({myAddress, setInfoSnack, setOpenSnack}) => {
    const {txList, setTxList, show} = useContext(MyContext)
    const [invites, setInvites] = useState<any[]>([]);
    const [isLoading, setIsLoading] = useState(false);

    const [popoverAnchor, setPopoverAnchor] = useState(null); // Track which list item the popover is anchored to
    const [openPopoverIndex, setOpenPopoverIndex] = useState(null); // Track which list item has the popover open
    const listRef = useRef();

    const getRequests = async () => {
      try {
        const response = await fetch(`${getBaseApiReact()}/groups/invites/${myAddress}/?limit=0`);
        const inviteData = await response.json();

        const resMoreData = await getGroupNames(inviteData)
        setInvites(resMoreData);
      } catch (error) {
        console.error(error);
      }
    }
  
    useEffect(() => {
      
        getRequests();
       
    }, []);
  
    const handlePopoverOpen = (event, index) => {
      setPopoverAnchor(event.currentTarget);
      setOpenPopoverIndex(index);
    };
  
    const handlePopoverClose = () => {
      setPopoverAnchor(null);
      setOpenPopoverIndex(null);
    };
  
    const handleJoinGroup = async (groupId, groupName)=> {
      try {
        
        const fee = await getFee('JOIN_GROUP')
        await show({
          message: "Would you like to perform an JOIN_GROUP transaction?" ,
          publishFee: fee.fee + ' QORT'
        })

        setIsLoading(true);

        await new Promise((res, rej)=> {
          window.sendMessage("joinGroup", {
            groupId,
          })
            .then((response) => {
              if (!response?.error) {
                setTxList((prev) => [
                  {
                    ...response,
                    type: 'joined-group',
                    label: `Joined Group ${groupName}: awaiting confirmation`,
                    labelDone: `Joined Group ${groupName}: success!`,
                    done: false,
                    groupId,
                  },
                  ...prev,
                ]);
                res(response);
                setInfoSnack({
                  type: "success",
                  message: "Successfully requested to join group. It may take a couple of minutes for the changes to propagate",
                });
                setOpenSnack(true);
                handlePopoverClose();
                return;
              }
              setInfoSnack({
                type: "error",
                message: response?.error,
              });
              setOpenSnack(true);
              rej(response.error);
            })
            .catch((error) => {
              setInfoSnack({
                type: "error",
                message: error.message || "An error occurred",
              });
              setOpenSnack(true);
              rej(error);
            });
          
          })  

      } catch (error) {
        
      } finally {
        setIsLoading(false);

      }
    }
  
    const rowRenderer = ({ index, key, parent, style }) => {
      const invite = invites[index];
      
      return (
        <CellMeasurer
          key={key}
          cache={cache}
          parent={parent}
          columnIndex={0}
          rowIndex={index}
        >
          {({ measure }) => (
            <div style={style} onLoad={measure}>
              <ListItem disablePadding>
                <Popover
                  open={openPopoverIndex === index}
                  anchorEl={popoverAnchor}
                  onClose={handlePopoverClose}
                  anchorOrigin={{
                    vertical: "bottom",
                    horizontal: "center",
                  }}
                  transformOrigin={{
                    vertical: "top",
                    horizontal: "center",
                  }}
                  style={{ marginTop: "8px" }}
                >
                   <Box
                  sx={{
                    width: "325px",
                    height: "250px",
                    display: "flex",
                    flexDirection: "column",
                    alignItems: "center",
                    gap: "10px",
                    padding: "10px",
                  }}
                >
                   <Typography>Join {invite?.groupName}</Typography>
                   <LoadingButton
                    loading={isLoading}
                    loadingPosition="start"
                    variant="contained" onClick={()=> handleJoinGroup(invite?.groupId, invite?.groupName)}>Join group</LoadingButton>
                  </Box>
                </Popover>
                <ListItemButton onClick={(event) => handlePopoverOpen(event, index)}>
                {invite?.isOpen === false && (
          <LockIcon sx={{
            color: 'var(--green)'
          }} />
        )}
        {invite?.isOpen === true && (
          <NoEncryptionGmailerrorredIcon sx={{
            color: 'var(--danger)'
          }} />
        )}
        <Spacer width="15px" />
                  <ListItemText primary={invite?.groupName} secondary={invite?.description} />
                </ListItemButton>
              </ListItem>
            </div>
          )}
        </CellMeasurer>
      );
    };
  
    return (
      <Box sx={{
        display: 'flex',
        flexDirection: 'column',
        flexGrow: 1
      }}>
        <p>Invite list</p>
        <div
        style={{
          position: "relative",
          width: "100%",
          display: "flex",
          flexDirection: "column",
          flexGrow: 1,
        }}
      >
          <AutoSizer>
            {({ height, width }) => (
              <List
                ref={listRef}
                width={width}
                height={height}
                rowCount={invites.length}
                rowHeight={cache.rowHeight}
                rowRenderer={rowRenderer}
                deferredMeasurementCache={cache}
              />
            )}
          </AutoSizer>
        </div>
        </Box>
    );
}