import { Box, Center, Indicator } from "@mantine/core";
import type { EntrySourceType } from "app/entries/slice";
import { FeedFavicon } from "components/content/FeedFavicon";
import type React from "react";
import { tss } from "tss";
import { UnreadCount } from "./UnreadCount";

interface TreeNodeProps {
  id: string;
  type: EntrySourceType;
  name: React.ReactNode;
  icon: React.ReactNode;
  unread: number;
  selected: boolean;
  expanded?: boolean;
  level: number;
  hasError: boolean;
  newMessages?: boolean
  onClick: (e: React.MouseEvent, id: string) => void;
  onIconClick?: (e: React.MouseEvent, id: string) => void;
}

const useStyles = tss
  .withParams<{
    selected: boolean;
    hasError: boolean;
    hasUnread: boolean;
  }>()
  .create(({ theme, colorScheme, selected, hasError, hasUnread }) => {
    let backgroundColor = "inherit";
    if (selected)
      backgroundColor =
        colorScheme === "dark" ? theme.colors.dark[4] : theme.colors.gray[1];

    let color: string;
    if (hasError) {
      color = theme.colors.red[6];
    } else if (colorScheme === "dark") {
      color = hasUnread ? theme.colors.dark[0] : theme.colors.dark[3];
    } else {
      color = hasUnread ? theme.black : theme.colors.gray[6];
    }

    return {
      node: {
        display: "flex",
        alignItems: "center",
        cursor: "pointer",
        color,
        backgroundColor,
        "&:hover": {
          backgroundColor:
            colorScheme === "dark"
              ? theme.colors.dark[6]
              : theme.colors.gray[0],
        },
      },
      nodeText: {
        flexGrow: 1,
        whiteSpace: "nowrap",
        overflow: "hidden",
        textOverflow: "ellipsis",
      },
    };
  });

export function TreeNode(props: TreeNodeProps) {
  const { classes } = useStyles({
    selected: props.selected,
    hasError: props.hasError,
    hasUnread: props.unread > 0,
  });
  return (
    <Box
      py={1}
      pl={props.level * 20}
      className={`${classes.node} cf-treenode cf-treenode-${props.type}`}
      onClick={(e: React.MouseEvent) => props.onClick(e, props.id)}
      data-id={props.id}
      data-type={props.type}
      data-unread-count={props.unread}
    >
      <Box
        mr={6}
        onClick={(e: React.MouseEvent) => props.onIconClick?.(e, props.id)}
        className="cf-treenode-icon"
      >
        <Center>
          {typeof props.icon === "string" ? (
            <FeedFavicon url={props.icon} />
          ) : (
            props.icon
          )}
        </Center>
      </Box>
      <Box className={classes.nodeText}>{props.name}</Box>
      {!props.expanded && (
        <Box className="cf-treenode-unread-count">
          <UnreadCount
            unreadCount={props.unread}
            newMessages={props.id === "all" ? props.newMessages: false}
          />
        </Box>
      )}
    </Box>
  );
}