app.js

const express = require("express");
const bodyParser = require("body-parser");
const request = require("request");
require("dotenv").config();

const app = express();
app.set("view engine", "ejs");
app.use(express.static("public"));
app.use(bodyParser.urlencoded({ extended: true }));
var temp = "";
var humidity = "";
var city = "";
var feels_like = "";
var state = "";
var description = "";

app.get("/", function (req, res) {
  res.render("index", {
    temp: temp,
    humidity: humidity,
    city: city,
    state: state,
    description: description,
    feels_like: feels_like,
  });
});
app.post("/", function (req, res) {
  city = req.body.search;
  state = req.body.state;
  console.log(city);
  console.log(state);
  if (state === "Andhra Pradesh") {
    state = "AD";
  } else if (state === "Assam") {
    state = "AS";
  } else if (state === "Bihar") {
    state = "BR";
  } else if (state === "Chattisgarh") {
    state = "CG";
  } else if (state === "Delhi") {
    state = "DL";
  } else if (state === "Goa") {
    state = "GA";
  } else if (state === "Gujarat") {
    state = "GJ";
  } else if (state === "Haryana") {
    state = "HR";
  } else if (state === "Himachal Pradesh") {
    state = "HP";
  } else if (state === "Jammu and Kashmir") {
    state = "JK";
  } else if (state === "Jharkhand") {
    state = "JH";
  } else if (state === "Karnataka") {
    state = "KA";
  } else if (state === "Kerala") {
    state = "KL";
  } else if (state === "Lakshadweep Islands") {
    state = "LD";
  } else if (state === "Madhya Pradesh") {
    state = "MP";
  } else if (state === "Maharashtra") {
    state = "MH";
  } else if (state === "Manipur") {
    state = "MN";
  } else if (state === "Meghalaya") {
    state = "ML";
  } else if (state === "Mizoram") {
    state = "MZ";
  } else if (state === "Nagaland") {
    state = "NL";
  } else if (state === "Odisha") {
    state = "OD";
  } else if (state === "Pondicherry") {
    state = "PY";
  } else if (state === "Punjab") {
    state = "PB";
  } else if (state === "Rajasthan") {
    state = "RJ";
  } else if (state === "Sikkim") {
    state = "SK";
  } else if (state === "Tamil Nadu") {
    state = "TN";
  } else if (state === "Telangana") {
    state = "TS";
  } else if (state === "Tripura") {
    state = "TR";
  } else if (state === "Uttar Pradesh") {
    state = "UP";
  } else if (state === "Uttarakhand") {
    state = "UK";
  } else if (state === "West Bengal") {
    state = "WB";
  } else if (state === "Andaman and Nicobar Islands") {
    state = "AN";
  } else if (state === "Chandigarh") {
    state = "CH";
  } else if (state === "Dadra & Nagar Haveli and Daman & Diu") {
    state = "DNHDD";
  } else if (state === "Ladakh") {
    state = "LA";
  } else {
    state = "OT";
  }
  console.log(state);
  const uri =
    "http://api.openweathermap.org/geo/1.0/direct?q=" +
    city +
    "," +
    state +
    ",IND&limit=&appid=8478b3a67430f326d1e0c3a266da80ca";

  var options = {
    url: uri,
  };

  request(options, function (err, response, body) {
    if (err) {
      console.log(err);
    } else {
      // console.log(response);
      console.log(body);
      const r = JSON.parse(body);
      // console.log(r[0].name);
      // console.log(r[0].lat);
      // console.log(r[0].lon);
      console.log(r);

      const uri =
        "https://api.openweathermap.org/data/2.5/weather?lat=" +
        r[0].lat +
        "&lon=" +
        r[0].lon +
        "&appid=8478b3a67430f326d1e0c3a266da80ca";
      var option2 = {
        url: uri,
      };
      request(option2, function (err, response, body) {
        if (err) {
          console.log(err);
        } else {
          console.log(body);
          var p = JSON.parse(body);
          console.log(p);
          temp = p.main.temp;
          temp = temp - 273.15;
          temp = temp.toString();
          temp = temp.substring(0, 4);
          humidity = p.main.humidity;
          pressure = p.main.pressure;
          var r = p.weather[0];
          description = r.description;
          feels_like = p.main.feels_like;
          feels_like = feels_like - 273.15;
          feels_like = feels_like.toString();
          feels_like = feels_like.substring(0, 4);
          speed = p.wind.speed;
          res.redirect("/");
        }
      });
    }
  });
});
app.listen(process.env.PORT || 3000, function () {
  console.log("Server is running on port 3000");
});