signoz/frontend/src/container/NewWidget/LeftContainer/WidgetGraph/index.tsx

import { InfoCircleOutlined } from '@ant-design/icons';
import { Typography } from 'antd';
import { Card } from 'container/GridGraphLayout/styles';
import React, { memo } from 'react';
import { useSelector } from 'react-redux';
import { useLocation } from 'react-router-dom';
import { AppState } from 'store/reducers';
import AppReducer from 'types/reducer/app';
import DashboardReducer from 'types/reducer/dashboards';

import { NewWidgetProps } from '../../index';
import { AlertIconContainer, Container, NotFoundContainer } from './styles';
import WidgetGraphComponent from './WidgetGraph';

function WidgetGraph({
	selectedGraph,
	yAxisUnit,
}: WidgetGraphProps): JSX.Element {
	const { dashboards, isQueryFired } = useSelector<AppState, DashboardReducer>(
		(state) => state.dashboards,
	);
	const { isDarkMode } = useSelector<AppState, AppReducer>((state) => state.app);
	const [selectedDashboard] = dashboards;
	const { search } = useLocation();

	const { data } = selectedDashboard;

	const { widgets = [] } = data;

	const params = new URLSearchParams(search);
	const widgetId = params.get('widgetId');

	const selectedWidget = widgets.find((e) => e.id === widgetId);

	if (selectedWidget === undefined) {
		return (
			<Card isDarkMode={isDarkMode} isQueryType={false}>
				Invalid widget
			</Card>
		);
	}

	const { queryData } = selectedWidget;

	return (
		<Container>
			{queryData.error && (
				<AlertIconContainer color="red" title={queryData.errorMessage}>
					<InfoCircleOutlined />
				</AlertIconContainer>
			)}

			{!isQueryFired && (
				<NotFoundContainer>
					<Typography>No Data</Typography>
				</NotFoundContainer>
			)}

			{isQueryFired && (
				<WidgetGraphComponent selectedGraph={selectedGraph} yAxisUnit={yAxisUnit} />
			)}
		</Container>
	);
}

type WidgetGraphProps = NewWidgetProps;

export default memo(WidgetGraph);