SENG440/update-map.js

const config = require("./config.json");
import CapturedArea from "./components/captured-area";

export const sendArea = (gameID, username, polygon) => {
    // console.log(polygon)
    points = []
    polygon.map((point) => {
        points.push({lat: point.coordinate.latitude, lng: point.coordinate.longitude})
    })
    let formBody = [];
    formBody.push("gameID=" + gameID);
    formBody.push("userID=" + username);
    formBody.push("points=" + JSON.stringify(points));
    formBody = formBody.join("&");
    console.log(formBody)
    return fetch("http://"+config.host + ":" + config.port + "/v1/polygon", {
      method: "post",
      headers: {'Content-Type':'application/x-www-form-urlencoded;charset=UTF-8'},
      body: formBody
    })
    .then(res => {return res.json()});
}

export const updateAreas = (gameID, update) => {
    getPolygons(gameID).then((responseJson) => {
        let polygons = []
        responseJson.map((polygon) => {
            let userID = polygon.userID
            let strokeColor = "#"+polygon.colour
            let fillColor = "#"+polygon.colour
            let coordinates = []
            polygon.coords.map((point) => {
                coordinates.push({
                    "latitude" : point.lat,
                    "longitude" : point.lng
                })
            });
            polygons.push(new CapturedArea(userID, coordinates, strokeColor, hexToRgbA(fillColor,0.2), 1));
        });
        update(polygons);
    })
}

function getPolygons(gameID) {
    console.log("http://"+config.host + ":" + config.port + "/v1/polygons?gameID=" + gameID)
    return fetch("http://"+config.host + ":" + config.port + "/v1/polygons?gameID=" + gameID, {method: 'GET',
    headers: {'Content-Type':'application/x-www-form-urlencoded;charset=UTF-8'}})
    .then(response => response.json())
    .catch(error => {
        console.error(error);
    });
}

function hexToRgbA(hex, a){
    var c;
    if(/^#([A-Fa-f0-9]{3}){1,2}$/.test(hex)){
        c= hex.substring(1).split('');
        if(c.length== 3){
            c= [c[0], c[0], c[1], c[1], c[2], c[2]];
        }
        c= '0x'+c.join('');
        return 'rgba('+[(c>>16)&255, (c>>8)&255, c&255].join(',')+',' + a + ')';
    }
    throw new Error('Bad Hex');
}