SENG440/api/v1/api.js

let db = require("../config/db.js");
let mathFunc = require("./mathFunc.js");
let util = require("util");
let areaFunctions = require("./areaFunctions.js");

module.exports = {
    getPolygons : function (req, res) {
        if (req.query.gameID != null) {
            let query = "CALL getPolygonPoints(\"" + req.query.gameID + "\");";
            db.get().query(query, function(err, rows){
                if (err) {
                    console.log(err);
                    return res.send(400);
                }
                // console.log(rows);
                let polygons = []
                let polygonDict = {};
                rows[0].map((point) => {
                    if (!(point.polygonID in polygonDict)) {
                        polygonDict[point.polygonID] = {};
                        polygonDict[point.polygonID].coords = [];
                        polygonDict[point.polygonID].gameID = point.gameID;
                        polygonDict[point.polygonID].userID = point.userID;
                        polygonDict[point.polygonID].colour = point.colour;
                        polygonDict[point.polygonID].polygonID = point.polygonID;
                    }
                    polygonDict[point.polygonID].coords.push({lat: point.lat, lng: point.lng});
                });
                for (let [polygon, polygonData] of Object.entries(polygonDict)){
                    polygons.push(polygonDict[polygon]);
                }
                res.send(polygons);
                return;
            });
        } else {
            res.send(500);
        }
    },
    isPolygon: function (req, res) {
        if (req.body.gameID != null && req.body.userID != null && req.body.points != null) {
            let gameID = req.body.gameID;
            let userID = req.body.userID;
            let points = JSON.parse(req.body.points);
            if (points.length < 2) {
                res.send([]);
            } else {
                let firstPoint = points[0];
                let lastPoint = points[points.length - 1];
                let distance = mathFunc.gpsToMeters(firstPoint.lat, firstPoint.lng, lastPoint.lat, lastPoint.lng);
                console.log(distance);
                if (distance < 20) {
			console.log(lastPoint);
			console.log(firstPoint);
                    if (lastPoint.lat != firstPoint.lat || lastPoint.lng != firstPoint.lng) {
                        // points.pop();
                        points.push({lat: firstPoint.lat, lng: lastPoint.lng});
                    }
console.log(points);
                    areaFunctions.collatePolygons(res, gameID, userID, points);
                } else {
                    res.send([]);
                }
            }

        }
    }
}