import React from "react";
import { connect } from "react-redux";
import { FixedSizeList } from "react-window";
import { AutoSizer } from "react-virtualized";
import { makeStyles } from "@material-ui/core/styles";
import List from "@material-ui/core/List";
import ListItem from "@material-ui/core/ListItem";
import ListItemText from "@material-ui/core/ListItemText";
import Collapse from "@material-ui/core/Collapse";
import ExpandLess from "@material-ui/icons/ExpandLess";
import ExpandMore from "@material-ui/icons/ExpandMore";
import Paper from "@material-ui/core/Paper";
import Box from "@material-ui/core/Box";

import { getNodeInfos } from "./redux/store";

import theme from "./theme";

import OverflowTooltip from "./OverflowTooltip";

const NodeInfo = ({ nodeInfos, node, width }) => {
  const useStyles = makeStyles((theme) => ({
    root: {
      width: "100%",
      maxWidth: width,
      backgroundColor: theme.palette.background.paper,
    },
    nested: {
      paddingLeft: theme.spacing(4),
    },
    listItem: {
      width: width,
    },
  }));

  const rowHeight = 25;
  const classes = useStyles();
  const [openDependers, setOpenDependers] = React.useState(false);
  const [openDependencies, setOpenDependencies] = React.useState(false);
  const [openNodeAttribs, setOpenNodeAttribs] = React.useState(false);

  const [nodeInfo, setNodeInfo] = React.useState({
    id: 0,
    node: "test/test.so",
    name: "test",
    attribs: [{ name: "test", value: "test" }],
    dependers: [{ node: "test/test3.so", symbols: [] }],
    dependencies: [{ node: "test/test2.so", symbols: [] }],
  });

  React.useEffect(() => {
    setNodeInfo(nodeInfos.filter((nodeInfo) => nodeInfo.node == node.node)[0]);
  }, [nodeInfos]);

  function renderAttribRow({ index, style, data }) {
    return (
      <ListItem style={style} key={index}>
        <Box style={{ margin: "5px" }}>
          <OverflowTooltip
            value={data[index].name}
            text={String(data[index].name) + ":"}
          />
        </Box>
        <OverflowTooltip
          value={String(data[index].value)}
          text={String(data[index].value)}
        />
      </ListItem>
    );
  }

  function renderNodeRow({ index, style, data }) {
    return (
      <ListItem style={style} key={index}>
        <OverflowTooltip
          button
          name={data[index].name}
          value={data[index].node}
          text={data[index].node}
        />
      </ListItem>
    );
  }

  function listHeight(numItems) {
    const size = numItems * rowHeight;
    if (size > 350) {
      return 350;
    }
    return size;
  }

  if (nodeInfo == undefined) {
    return "";
  }
  return (
    <List
      component="nav"
      aria-labelledby="nested-list-subheader"
      className={classes.root}
      dense={true}
    >
      <Paper elevation={3} style={{ backgroundColor: "rgba(0, 0, 0, .03)" }}>
        <ListItem button>
          <ListItemText primary={nodeInfo.node} />
        </ListItem>
        <ListItem button>
          <ListItemText primary={nodeInfo.name} />
        </ListItem>

        <ListItem button onClick={() => setOpenNodeAttribs(!openNodeAttribs)}>
          <ListItemText primary="Attributes" />
          {openNodeAttribs ? <ExpandLess /> : <ExpandMore />}
        </ListItem>
        <Collapse in={openNodeAttribs} timeout="auto" unmountOnExit>
          <Paper
            elevation={2}
            style={{
              width: "100%",
              backgroundColor: theme.palette.background.paper,
            }}
          >
            <AutoSizer disableHeight={true}>
              {({ height, width }) => (
                <FixedSizeList
                  height={listHeight(nodeInfo.attribs.length)}
                  width={width}
                  itemSize={rowHeight}
                  itemCount={nodeInfo.attribs.length}
                  itemData={nodeInfo.attribs}
                >
                  {renderAttribRow}
                </FixedSizeList>
              )}
            </AutoSizer>
          </Paper>
        </Collapse>

        <ListItem button onClick={() => setOpenDependers(!openDependers)}>
          <ListItemText primary="Dependers" />
          {openDependers ? <ExpandLess /> : <ExpandMore />}
        </ListItem>
        <Collapse in={openDependers} timeout="auto" unmountOnExit>
          <Paper elevation={4}>
            <AutoSizer disableHeight={true}>
              {({ height, width }) => (
                <FixedSizeList
                  height={listHeight(nodeInfo.dependers.length)}
                  width={width}
                  itemSize={rowHeight}
                  itemCount={nodeInfo.dependers.length}
                  itemData={nodeInfo.dependers}
                >
                  {renderNodeRow}
                </FixedSizeList>
              )}
            </AutoSizer>
          </Paper>
        </Collapse>

        <ListItem button onClick={() => setOpenDependencies(!openDependencies)}>
          <ListItemText primary="Dependencies" />
          {openDependencies ? <ExpandLess /> : <ExpandMore />}
        </ListItem>
        <Collapse in={openDependencies} timeout="auto" unmountOnExit>
          <Paper elevation={4}>
            <AutoSizer disableHeight={true}>
              {({ height, width }) => (
                <FixedSizeList
                  height={listHeight(nodeInfo.dependencies.length)}
                  width={width}
                  itemSize={rowHeight}
                  itemCount={nodeInfo.dependencies.length}
                  itemData={nodeInfo.dependencies}
                >
                  {renderNodeRow}
                </FixedSizeList>
              )}
            </AutoSizer>
          </Paper>
        </Collapse>
      </Paper>
    </List>
  );
};

export default connect(getNodeInfos)(NodeInfo);