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import React, {useState, useEffect} from 'react';
import {createRoot} from 'react-dom/client';
import {Map} from 'react-map-gl';
import maplibregl from 'maplibre-gl';
import {AmbientLight, PointLight, LightingEffect} from '@deck.gl/core';
import DeckGL from '@deck.gl/react';
import {PolygonLayer} from '@deck.gl/layers';
import {TripsLayer} from '@deck.gl/geo-layers';
import { Box } from '@mui/system';


// Source data CSV, Attribution to CARTO, OpenStreetMap contributors to deck.gl trips-layer example
const DATA_URL = {
//   BUILDINGS:'https://raw.githubusercontent.com/visgl/deck.gl-data/master/examples/trips/buildings.json', // eslint-disable-line
    BUILDINGS: '/map1.json'
};

const ambientLight = new AmbientLight({
  color: [255, 255, 255],
  intensity: 6.0
});

const pointLight = new PointLight({
  color: [255, 255, 255],
  intensity: 1.0,
  position: [-6.4741164,
    53.4622087, 8000]
});

// const lightingEffect = new LightingEffect({ambientLight, pointLight});
const lightingEffect = new LightingEffect({ambientLight, pointLight});


const material = {
  ambient: 0.1,
  diffuse: 0.6,
  shininess: 32,
  specularColor: [60, 64, 70]
};

const DEFAULT_THEME = {
  buildingColor: [51, 204, 255],
  trailColor0: [253, 128, 93],
  trailColor1: [23, 184, 190],
  material,
  effects: [lightingEffect]
};

const INITIAL_VIEW_STATE = {
  longitude: -6.269218,
  latitude: 53.342505,
  zoom: 14.64,
  pitch: 59.31,
  bearing: 0
};

const MAP_STYLE = 'https://basemaps.cartocdn.com/gl/dark-matter-nolabels-gl-style/style.json';

const landCover = [
  [
    [-74.0, 40.7],
    [-74.02, 40.7],
    [-74.02, 40.72],
    [-74.0, 40.72]
  ]
];

export default function Map3D({
    buildings = DATA_URL.BUILDINGS,
    initialViewState = INITIAL_VIEW_STATE,
    mapStyle = MAP_STYLE,
    theme = DEFAULT_THEME,
  }) {
    const [buildingData, setBuildingData] = useState(null);
    const [viewState, setViewState] = useState(initialViewState); // Add this line to manage view state

    useEffect(() => {
        fetch(buildings)
          .then((response) => response.json())
          .then((json) => {
            const allData = json.datasets[0].data.allData.map(([feature]) => feature);
            setBuildingData(allData);
          })
          .catch((error) => {
            console.error('Error fetching buildings data:', error);
          });
      }, [buildings]);
    
    if (!buildingData) {
    return <div>Loading...</div>;
    }

    const layers = [
        new PolygonLayer({
            id: 'ground',
            data: landCover,
            getPolygon: f => f,
            stroked: false,
            getFillColor: [0, 0, 0, 0]
        }),
        new PolygonLayer({
            id: 'buildings',
            data: buildingData,
            extruded: true,
            wireframe: false,
            opacity: 0.5,
            getPolygon: (f) => f.geometry.coordinates[0][0],
            getElevation: (f) => f.properties.Height_Met,
            getFillColor: theme.buildingColor,
            material: theme.material,
          })
    ];

    const onViewStateChange = ({ viewState }) => {
        setViewState(viewState);
    };
  
    return (
        <Box sx={{ width: '100%', height: '100%', position: 'relative', borderRadius: '15px', overflow: 'hidden'}}>
            <DeckGL
                style={{ width: '100%', height: '100%', position: 'absolute'}}
                layers={layers}
                effects={theme.effects}
                initialViewState={initialViewState}
                controller={true}
                viewState={viewState}
                onViewStateChange={onViewStateChange}
            >
                <Map reuseMaps mapLib={maplibregl} mapStyle={mapStyle} preventStyleDiffing={true} attributionControl={false} />
            </DeckGL>
            <div
        style={{
          position: 'absolute',
          bottom: '10px',
          right: '10px',
          color: 'white',
          background: 'rgba(0, 0, 0, 0.5)',
          padding: '5px',
          borderRadius: '5px',
        }}
      >
        Longitude: {viewState.longitude.toFixed(6)}
        <br />
        Latitude: {viewState.latitude.toFixed(6)}
        <br />
        Zoom: {viewState.zoom.toFixed(2)}
        <br />
        Pitch: {viewState.pitch.toFixed(2)}
        <br />
        Bearing: {viewState.bearing.toFixed(2)}
      </div>
        </Box>
    );
  }