# All files / atlas-mobile-ts/src/components/Map/MainMapComponent IndoorMap.tsx

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     import React, { useState, useEffect, Children } from 'react';
    import { View, Text, StatusBar, StyleSheet, Dimensions, Button, ActivityIndicator, Alert, Modal } from 'react-native';
    import { Svg, Defs, Rect, Mask, Circle, Marker, Path, Polyline, Image } from 'react-native-svg';
    import { RadioButton } from 'react-native-paper';
    import { Picker } from '@react-native-picker/picker';
    import ReactNativeZoomableView from '@openspacelabs/react-native-zoomable-view/src/ReactNativeZoomableView';
    import Spinner from 'react-native-spinkit'
    import { colors } from "../../../utils/GlobalUtils";
    import { MapStackNavigationProp } from "../../../navigation/MapNavigator"
    import CustomModal from './modal';

    import BasementC from './images/BasementC.svg';
    import FirstFloorC from './images/FirstFloorC.svg'
    import SecondFloorC from './images/SecondFloorC.svg'
    import ThirdFloorC from './images/ThirdFloorC.svg'
    import FourthFloorC from './images/FourthFloorC.svg'
    import FifthFloorC from './images/FifthFloorC.svg'
    import { Landmark } from '../../../hooks/useLandmarks';

    interface IndoorMapProps {
      navigation: MapStackNavigationProp
      landmarks: Landmark[]
      promptAddLandmark: (longitude?: number, latitude?: number) => void
      focusLandmark: (landmark: Landmark) => void
      applyFilter: (landmarks: Landmark[]) => Landmark[]
    }

    interface IndoorMarker {
      key: number,
      coordx: number,
      coordy: number,
      description: string,
      landmark: string
    }

    const IndoorMap: React.FC<IndoorMapProps> = ({navigation, landmarks, promptAddLandmark, focusLandmark, applyFilter}) => {
      const [floor, setFloor] = useState(0);
      const [showME, setShowME] = useState(false);
      const [showDots, setShowDots] = useState(false);
      const [showAddedDot, setShowAddedDot] = useState(false)
      const [showModal2, setShowModal] = useState(false)
      const [checked, setChecked] = React.useState('information');
      const [coords, setCoords] = useState([0, 0])
      const [SVGdim, setSVGdim] = useState([1, 1])
      const [firstTime, setfirstTime] = useState(true)

      // Main issue is that I need to first load the page to retrieve dimensions of SVG, THEN I can actually use the
      // real proper coordinate values. Before, I used raw numbers, which is why it could load immediately. However here,
      // my state starts with ratio values (0.5 , 0.25, etc), retrieves SVG coordinates, then finally gets the real positioning.

      let indoorCircles: IndoorMarker[][] = [ //first to fifth floor, last element is basement
        [{ key: 1, coordx: 0.5 * SVGdim[0], coordy: 0.5 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 2, coordx: 0.25 * SVGdim[0], coordy: 0.25 * SVGdim[1], description: "nothing yet2", landmark: "stairs" }],

        [{ key: 3, coordx: 0.35 * SVGdim[0], coordy: 0.35 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 4, coordx: 0.15 * SVGdim[0], coordy: 0.15 * SVGdim[1], description: "nothing yet2", landmark: "power" }],

        [{ key: 5, coordx: 0.5 * SVGdim[0], coordy: 0.5 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 6, coordx: 0.25 * SVGdim[0], coordy: 0.25 * SVGdim[1], description: "nothing yet2", landmark: "stairs" }],

        [{ key: 7, coordx: 0.35 * SVGdim[0], coordy: 0.35 * SVGdim[1], description: "nothing yet1", landmark: "power" },
        { key: 8, coordx: 0.15 * SVGdim[0], coordy: 0.15 * SVGdim[1], description: "nothing yet2", landmark: "power" }],

        [{ key: 9, coordx: 0.5 * SVGdim[0], coordy: 0.5 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 10, coordx: 0.25 * SVGdim[0], coordy: 0.25 * SVGdim[1], description: "nothing yet2", landmark: "stairs" }],

        [{ key: 11, coordx: 0.35 * SVGdim[0], coordy: 0.35 * SVGdim[1], description: "nothing yet1", landmark: "power" },
        { key: 12, coordx: 0.15 * SVGdim[0], coordy: 0.15 * SVGdim[1], description: "nothing yet2", landmark: "stairs" }],
      ]

      const [indoorMarkers, setIndoorMarkers] = useState([ //first to fifth floor, last element is basement
        [{ key: 1, coordx: 0.5 * SVGdim[0], coordy: 0.5 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 2, coordx: 0.25 * SVGdim[0], coordy: 0.25 * SVGdim[1], description: "nothing yet2", landmark: "power" }],

        [{ key: 3, coordx: 0.35 * SVGdim[0], coordy: 0.35 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 4, coordx: 0.15 * SVGdim[0], coordy: 0.15 * SVGdim[1], description: "nothing yet2", landmark: "power" }],

        [{ key: 5, coordx: 0.5 * SVGdim[0], coordy: 0.5 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 6, coordx: 0.25 * SVGdim[0], coordy: 0.25 * SVGdim[1], description: "nothing yet2", landmark: "stairs" }],

        [{ key: 7, coordx: 0.35 * SVGdim[0], coordy: 0.35 * SVGdim[1], description: "nothing yet1", landmark: "power" },
        { key: 8, coordx: 0.15 * SVGdim[0], coordy: 0.15 * SVGdim[1], description: "nothing yet2", landmark: "power" }],

        [{ key: 9, coordx: 0.5 * SVGdim[0], coordy: 0.5 * SVGdim[1], description: "nothing yet1", landmark: "stairs" },
        { key: 10, coordx: 0.25 * SVGdim[0], coordy: 0.25 * SVGdim[1], description: "nothing yet2", landmark: "stairs" }],

        [{ key: 11, coordx: 0.35 * SVGdim[0], coordy: 0.35 * SVGdim[1], description: "nothing yet1", landmark: "power" },
        { key: 12, coordx: 0.15 * SVGdim[0], coordy: 0.15 * SVGdim[1], description: "nothing yet2", landmark: "stairs" }],
      ])

      const loadCircles = (indoorMarkers[floor]).map(item => {
        while (SVGdim[0] != 1 && SVGdim[1] != 1) {
          console.log("important numbers are " + SVGdim[0] + " AND " + SVGdim[1])
          if (item.landmark == "stairs") {
            return (
              <Image onPress={() => handleDelete(item.coordx, item.coordy)} key={item.key} x={item.coordx} y={item.coordy} width={0.05 * Dimensions.get("window").width} height={0.05 * Dimensions.get("window").width} href={require('./landmark_images/stairs.png')} />
              // <Circle onPress={() => handleDelete(item.coordx, item.coordy)} key={item.key} cx={item.coordx} cy={item.coordy} r="4" fill="black" />)
            )
          }
          else if (item.landmark == "power") {
            return (
              <Image onPress={() => handleDelete(item.coordx, item.coordy)} key={item.key} x={item.coordx} y={item.coordy} width={0.05 * Dimensions.get("window").width} height={0.05 * Dimensions.get("window").width} href={require('./landmark_images/power.png')} />
            )
          }
          else Iif (item.landmark == "information") {
            return (
              <Image onPress={() => handleDelete(item.coordx, item.coordy)} key={item.key} x={item.coordx} y={item.coordy} width={0.05 * Dimensions.get("window").width} height={0.05 * Dimensions.get("window").width} href={require('./landmark_images/information.png')} />
            )
          }
        }
      }
      )

      function addCircle(evt: any) {
        Alert.alert("Are you sure you want to add a landmark here?", undefined,
          [{ text: "Cancel", onPress: () => console.log("Cancelled") }
            ,
          {
            text: "Confirm", onPress: () => {
              setShowModal(true)
              setCoords([evt.nativeEvent.locationX, evt.nativeEvent.locationY])
            }
          }])
      }

      function addCircleConfirmed() {
        let newKey: number
        if (indoorMarkers[floor].length == 0) {
          newKey = floor * 100
        }
        else {
          newKey = indoorMarkers[floor][indoorMarkers[floor].length - 1].key + 1
        }
        const newDot = { key: newKey, coordx: coords[0], coordy: coords[1], description: "filler", landmark: checked }
        console.log(checked)
        console.log(newDot)
        indoorMarkers[floor].push(newDot)
        setIndoorMarkers(indoorMarkers)
        setShowAddedDot(true)
        Alert.alert("Added Circle: coordinates are " + coords[0].toFixed(3) + " and " + coords[1].toFixed(3))
      }

      function handleDelete(coordx: number, coordy: number) {
        Alert.alert("Are you sure you want to delete this landmark?", undefined,
          [{ text: "Cancel", onPress: () => console.log("Cancelled") }
            ,
          { text: "Confirm", onPress: () => handleDeleteConfirmed() }])

        function handleDeleteConfirmed() {
          const result = indoorMarkers[floor].filter(indoorMarker => indoorMarker['coordx'] != coordx && indoorMarker['coordy'] != coordy)
          indoorMarkers[floor] = result
          setIndoorMarkers(indoorMarkers);
          setShowDots(true)
          Alert.alert("Delete: Coordinates of deleted circle were " + coordx.toFixed(3) + " and " + coordy.toFixed(3))
          console.log(result)
          console.log(indoorMarkers[floor])
        }
      }

      useEffect(() => {
        // Alert.alert("useEffect has been triggered")
        setShowAddedDot(false)
        setShowDots(false)
        setTimeout(() => setShowME(true), 100);
      })

      const compArray = [
        <FirstFloorC style={{ borderColor: "red", borderWidth: 0 }} height={"100%"} width={"100%"} />,
        <SecondFloorC style={{ borderColor: "red", borderWidth: 0 }} height={"100%"} width={"100%"} />,
        <ThirdFloorC viewBox='250 131 310 310' style={{ borderColor: "red", borderWidth: 0 }} height={"100%"} width={"100%"} />,
        <FourthFloorC viewBox='250 140 300 300' style={{ borderColor:"blue" , borderWidth:0, height:"100%" , width:"100%",}}/>,
        <FifthFloorC viewBox='257 155 270 290' style={{ borderColor: "red", borderWidth: 0 }} height={"100%"} width={"100%"} />,
        <BasementC style={{ borderColor: "red", borderWidth: 0 }} height={"100%"} width={"100%"} />
      ]

      // TODO: wire up promptaddlandmark, applyfilters, and focuslandmark methods passed from MapNavigator
      return (
        <View style={{ height: '100%', width: '100%', padding: 5 }}>
          {console.log("THE STATE IS NOW " + floor)}
          <StatusBar backgroundColor="#121212" />
          <CustomModal/>
          <Text style={{ fontSize: 16, marginBottom: 5 }}>Please select a floor you would like to go to.</Text>
          <Picker
            style={{ backgroundColor: '#d9d9d9' }}
            selectedValue={floor} // the text of what gets displayed on the dropdown header
            onValueChange={(itemValue, itemIndex: number) => {
              setFloor(itemIndex)
              setShowME(false)
            }}>
            {/* The value in Picker.Item refers to selectedValue in Picker, which refers to the state "floor" */}
            <Picker.Item label="First Floor" value={0} />
            <Picker.Item label="Second Floor" value={1} />
            <Picker.Item label="Third Floor" value={2} />
            <Picker.Item label="Fourth Floor" value={3} />
            <Picker.Item label="Fifth Floor" value={4} />
            <Picker.Item label="Basement" value={5} />
          </Picker>

          <View style={{ flex: 1, alignItems: "center", height: '100%', width: '100%' }}>
            <View style={styles.container}>
              {showME === false ?
                <View style={{ display: 'flex', flexDirection: 'row', justifyContent: "center", }}>
                  <Spinner size={200} color={colors.red} type="9CubeGrid" />
                </View> :

                <ReactNativeZoomableView
                  zoomStep={2.8}
                  bindToBorders={true}
                  // initialZoom={2.2}
                  maxZoom={2.8}
                  minZoom={1}
                  initialOffsetY={5}
                  onLongPress={(event) => { addCircle(event) }}
                >
                  <Modal transparent={true} visible={showModal2}>
                    <View style={{ backgroundColor: "#000000aa", flex: 1 }}>
                      <View style={{ backgroundColor: "#ffffff", margin: 50, padding: 20, borderRadius: 10, }}>
                        <Text style={{ fontSize: 18, marginBottom: 10 }}>Type of Landmark to Add:</Text>

                        <View style={{ flexDirection: "row", alignItems: "center" }}>
                          <RadioButton
                            value="information"
                            status={checked === 'information' ? 'checked' : 'unchecked'}
                            onPress={() => setChecked('information')}
                          />
                          <Text style={{ fontSize: 16 }}>Information</Text>
                        </View>

                        <View style={{ flexDirection: "row", alignItems: "center" }}>
                          <RadioButton
                            value="power"
                            status={checked === 'power' ? 'checked' : 'unchecked'}
                            onPress={() => setChecked('power')}
                          />
                          <Text style={{ fontSize: 16 }}>Power</Text>
                        </View>

                        <View style={{ flexDirection: "row", alignItems: "center", marginBottom: 11 }}>
                          <RadioButton
                            value="stairs"
                            status={checked === 'stairs' ? 'checked' : 'unchecked'}
                            onPress={() => setChecked('stairs')}
                          />
                          <Text style={{ fontSize: 16 }}>Stairs</Text>
                        </View>

                        <Button color={"red"} title='OK' onPress={() => {
                          addCircleConfirmed()
                          setShowModal(false)
                        }}></Button>
                      </View>
                    </View>
                  </Modal>

                  <Svg onLayout={event => {
                    // console.log("OFFICIAL: " + event.nativeEvent.layout.width + " , " + event.nativeEvent.layout.height)
                    console.log(SVGdim[0] + " AND " + SVGdim[1])
                    setSVGdim([event.nativeEvent.layout.width, event.nativeEvent.layout.height])

                    // TODO: change this mapping to apply to Landmark type
                    let ans = indoorCircles[floor].map(item => {
                      return { ...item, coordx: item.coordx * event.nativeEvent.layout.width, coordy: item.coordy * event.nativeEvent.layout.height }
                    })
                    indoorCircles[floor] = ans
                    // setIndoorMarkers(indoorCircles)
                  }}>

                    {firstTime==true? undefined : loadCircles}

                    {compArray[floor]}
                  </Svg>

                </ReactNativeZoomableView>

              }

            </View>
          </View>
          <Button title="load coordinates" onPress={() => {
            setfirstTime(false)
            setIndoorMarkers(indoorCircles) }} />
          {/* <Button title="Go back to map" onPress={() => props.navigation.goBack()} /> */}

        </View>
      );
    }

    const styles = StyleSheet.create({
      container: {
        flex: 1,
        // backgroundColor: "#fff",
        justifyContent: "center",
        borderColor: "black",
        borderWidth: 2,
        marginVertical: 7,
        aspectRatio: 9/10,  // (caters to portrait mode) (width is 66% the value of height dimension)
        // flex: 1,
        // // backgroundColor: "#fff",
        // justifyContent: "center",
        // borderColor: "black",
        // borderWidth: 2,
        // width: '100%',
        // height: '85%',
        // marginVertical: 15,
      },
      image: {
        alignItems: 'center',
        justifyContent: 'center',
      },
      png: {
        borderColor: "red",
        borderWidth: 3
      }
    });

    export default IndoorMap;