const express = require('express');
const mongoose = require('mongoose');
var rpguser_data = require('./models/rpguserlist');
var rpgcategory_data = require("./models/rpgcategorylist");
var rpgcategoryuser_data = require("./models/rpgcategoryuserlist");
const fetch = require('node-fetch');
var path = require('path');
var keys = require('./keysfile');
var multer = require('multer');
var fs = require('fs');
const { response } = require('express');
var ACCESS_TOKEN = 'pk.eyJ1IjoiZW5zby1pbW1lcnNpdmUiLCJhIjoiY2toMW01ODE4MTk0NzJxbnZyYzhsMHB1cyJ9.02d-FQX0o80XjwRPNQXzoA';
var client = require('twilio')(keys.twilio.accountSid, keys.twilio.authToken, { lazyLoading: true });
const app = express();
app.use(express.json());

const port = process.env.PORT || 8080;
mongoose.Promise = global.Promise;
mongoose.connect("mongodb://localhost:27017/rpgheritagewalk", {


});
const isNullOrUndefined = (val) => val === null || val === undefined || val === '' || val.length===0;

function randomString(length, chars) {
  var result = '';
  for (var i = length; i > 0; --i) result += chars[Math.round(Math.random() * (chars.length - 1))];
  return result;
};

app.get('/server', function (req, res) {
  res.send("Server work");
});

app.post("/addrpgcategory", async function (req, res) {
  var Category = req.body.Category;
  if (isNullOrUndefined(Category)) {
    res.status(409).send({ msg: "Empty Category Found" });
  } else {

    await new rpgcategory_data({ Category: Category }).save();


    res.status(200).send({ msg: "Category added successfully" });


  }

});

app.post("/addrpgcategoryuser", async function (req, res) {
  var Userid = req.body.Userid;
  var Categories = req.body.Categories;
  var MapId = req.body.MapId;
  var MapName = req.body.MapName;
  var Rating = req.body.Rating;
  var NoofPOIVisited = req.body.NoofPOIVisited;
  var TotalNoOfPOI = req.body.TotalNoOfPOI;
  var Language = req.body.Language;
  var result = await rpgcategoryuser_data.findOne({ Userid: Userid });
  if (isNullOrUndefined(result)) {
    await new rpgcategoryuser_data({ Categories: Categories, MapId: MapId, Userid: Userid, MapName: MapName, Rating: Rating, NoofPOIVisited: NoofPOIVisited, TotalNoOfPOI: TotalNoOfPOI, Language: Language }).save();
    res.status(200).send({ msg: "Data added successfully" });
  }
  else {
    await rpgcategoryuser_data.updateOne({
      $set: {

        Categories: Categories,
        MapId: MapId,
        MapName: MapName,
        Rating: Rating,
        NoofPOIVisited: NoofPOIVisited,
        TotalNoOfPOI: TotalNoOfPOI,
        Language: Language
      }
    });
    res.status(200).send({ msg: "Data Updated successfully" });
  }
});

app.post('/getuserlocation', async function (req, res) {

  var latitude = req.body.latitude;
  var longitude = req.body.longitude;

  var url = 'https://api.mapbox.com/geocoding/v5/mapbox.places/'
    + longitude + ', ' + latitude
    + '.json?access_token=' + ACCESS_TOKEN;

  await fetch(url).then((resp) => {
    return resp.json()
  }).then((resp) => {
    var geoData = resp.features[0].context;
    var region, city, postcode;
    for (i = 0; i < geoData.length; i++) {
      if (geoData[i].id.indexOf('region') >= 0) {
        region = geoData[i].text;
      }
      if (geoData[i].id.indexOf('place') >= 0) {
        city = geoData[i].text;
      }
      if (geoData[i].id.indexOf('postcode') >= 0) {
        postcode = geoData[i].text;
      }

    }
    if (isNullOrUndefined(region) && isNullOrUndefined(city)) {
      res.status(404).send({ geoData: "Map Detail Not found" });
    } else {
      res.status(200).send({ geoData: { region, city, postcode } });
    }


  }).catch((err) => {
    res.status(404).send({ geoData: "Map Detail Not found" });
  })

})

app.post('/getrpguser', async function (req, res) {
  var Email = req.body.Email;
  var result = await rpguser_data.findOne({ Email: Email });
  var categoryresult = await rpgcategoryuser_data.findOne({ Userid: Email });
  if (isNullOrUndefined(result) && isNullOrUndefined(categoryresult)) {
    res.status(404).send({ msg: "user not found" });
  } else {
    res.status(200).send({ msg: "user details found", data: { result, categoryresult } });
  }
});

app.get("/categorylist", async function (req, res) {
  var Category = await rpgcategory_data.find({}, { Category: 1 });
  if (isNullOrUndefined(Category)) {
    res.status(404).send({ msg: "No Category Found" });
  } else {
    res.status(200).send({ Category });
  }
});

app.post('/addrpguser', function (req, res) {
  var Userid = randomString(10, '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ');
  var Firstname = req.body.Firstname;
  var Lastname = req.body.Lastname;
  var Email = req.body.Email;
  var BirthYear = req.body.BirthYear;
  var Gender = req.body.Gender;
  var DeviceId = req.body.DeviceId;
  var Username = Firstname + ' ' + Lastname;
  var Userrole = req.body.Userrole;
  var Password = req.body.Password;
  var ProfilePic = req.body.ProfilePic;
  var Language = req.body.Language;
  var MobileNo = req.body.MobileNo;
  var TotalPoints = '';
  var StepsTaken = '';
  rpguser_data.findOne({ Userid: Userid }).then((result) => {
    if (result) {
      Userid = randomString(10, '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ');
    }
    else {
      rpguser_data.findOne({ Email: Email, MobileNo: MobileNo }).then((result) => {
        if (result) {
          res.send({ msg: "user already exists" });
        } else {
          new rpguser_data({
            Userid: Userid,
            Firstname: Firstname,
            Lastname: Lastname,
            Email: Email,
            BirthYear: BirthYear,
            Gender: Gender,
            DeviceId: DeviceId,
            Username: Username,
            Userrole: Userrole,
            Password: Password,
            ProfilePic: ProfilePic,
            Language: Language,
            MobileNo: MobileNo,
            TotalPoints: TotalPoints,
            StepsTaken: StepsTaken,
            DateofRegistration: new Date()
          }).save();
          res.send({ msg: "user details added" });
        }
      });
    }
  });
});

app.post('/updaterpguserprofile', function (req, res) {

  var storage = multer.diskStorage({
    destination: function (req, file, cb) {
      const storagepath = './public/images/profle';
      fs.exists(storagepath, exist => {
        if (!exist) {
          fs.mkdir(storagepath, { recursive: true }, (err) => {
            if (err) {
              throw err;
            }
            else {
              return cb(null, storagepath)
            }
          });
        }
        else {
          return cb(null, storagepath)
        }
      })
    },
    filename: function (req, file, cb) {
      cb(null, file.originalname);
    }
  });
  var upload = multer({
    storage: storage,
    fileFilter: (req, file, cb) => {
      if (file.mimetype == "image/png" || file.mimetype == "image/gif" || file.mimetype == "image/jpg" || file.mimetype == "image/jpeg") {
        cb(null, true);
      } else {
        cb(null, false);
        return cb(new Error('Only .png, .gif, .jpg and .jpeg format allowed!'));
      }
    },
    limits: { fieldSize: 50000000 }
  }).single('file');
  upload(req, res, async function (err) {
    // check for error thrown by multer- file size etc
    if (err) {
      // An unknown error occurred when uploading.
      //console.log("Unknown error occured",err);
      res.send({ message: "Unknown error occured", err: err });
    }
    else {
      // Everything went fine.
      // var Buffer =  req.file;

      var file = req.body.file;
      if (isNullOrUndefined(file)) {
        res.send({ message: "file is not present" });

      } else {
        var format = req.body.format;
        var filename = `${randomString(5, 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')}.${format}`;
        var path = `public/images/profile/${filename}`;
        console.log(path);
        fs.writeFile(path, file, function (err) {
          if (err) throw err;
          console.log('Saved!');
        });





        if (!path) {
          //console.log('Please choose a file');
          res.send({ message: "Please choose a file" });
        } else {

          var Userid = req.body.Userid;
          var ProfilePic = '';
          var newfilename = Userid + '-profilepic';
          var securelink = req.hostname == 'localhost' || req.hostname == '127.0.0.1' ? 'http' : 'https';
          var urlpath = securelink + '://' + req.get('host');
          var filename = filename;
          var filenamepath = "public/images/profile/" + filename;
          var newfilenamepath = "public/images/UserProfile/" + newfilename + ".jpeg";
          var fullnewfilenamepath = urlpath + "/images/UserProfile/" + newfilename + ".jpeg";
          ProfilePic = fullnewfilenamepath;
          console.log(fullnewfilenamepath);
          fs.rename(filenamepath, newfilenamepath, function (err) {
            if (err) {
              console.log('ERROR: ' + err);
            }
            else {
              rpguser_data.findOneAndUpdate({ Userid: Userid }, {
                $set: {
                  ProfilePic: ProfilePic
                }
              }).then((result) => {
                if (result) {
                  res.send({ msg: "user profilepic updated", data: result });
                }
                else {
                  res.send({ msg: "user profilepic updation failed" });
                }
              });
            }


          });
        }
      }
    }
  });
});

app.get('/appVersions',async function(req,res){
  var appVersion = {
    android : "1.0.0",
    ios : "1.0.0"
  }
  res.status(200).send({appVersion});
});

app.listen(port, () => {
  console.log(`Server Running on port ${port} `)
})