app.js

// vars
const express = require('express');
const app = express();
const port = 7777;
const posts = [];
const axios = require('axios');
const apiKey = '96eaab2fdda081abcd3e9e54c043fd7c';


// code to check form data
app.use(express.urlencoded({ extended: true }));

// Stuff for the static files
app.use(express.static('public'));

app.set('view engine', 'ejs');

// routes below
app.get('/', (req, res) => {
    res.render('index', { posts });
});

// create the post and display it
app.post('/create', async (req, res) => {
  const { author, title, content, city } = req.body;
  const date = new Date().toLocaleString();

  // adds weather
  let weather = 'Weather unavailable';

  // get weather
  try {

    // get lat and long with geocoding api
    const geoUrl =
          'http://api.openweathermap.org/geo/1.0/direct?q=' +
          encodeURIComponent(city) +
          '&limit=1&appid=' + apiKey;

    const geoResponse = await axios.get(geoUrl);
    const geoData = geoResponse.data;

    if (geoData.length === 0) throw new Error('Location not found');

    const { lat, lon } = geoData[0];

    // get weather from weather api
    const weatherUrl =
          'https://api.openweathermap.org/data/2.5/weather?lat=' +
          lat + '&lon=' + lon +
          '&units=imperial&appid=' + apiKey;


    const weatherResponse = await axios.get(weatherUrl);
    const weatherData = weatherResponse.data;

    weather = `${weatherData.weather[0].description},
         ${weatherData.main.temp}°F`;

  } 
    // give error if you cant get the weather
    catch (error) {
    console.error('Failed to fetch weather:', error.message);
  }

  posts.push({ author, title, content, date, weather });
  res.redirect('/');
});


// edit the post
app.get('/edit/:index', (req, res) => {
  const index = req.params.index;
  const post = posts[index];
  res.render('edit', { post, index });
});

// posting the edit
app.post('/edit/:index', async (req, res) => {
  const index = req.params.index;
  const { author, title, content, city } = req.body;
  const date = new Date().toLocaleString();

  let weather = 'Weather unavailable';

  try {
    const geoUrl = `http://api.openweathermap.org/geo/1.0/direct?q=${
      encodeURIComponent(city)}&limit=1&appid=${apiKey}`;
    const geoResponse = await axios.get(geoUrl);
    const geoData = geoResponse.data;

    if (geoData.length === 0) throw new Error('Location not found');

    const { lat, lon } = geoData[0];

    const weatherUrl = `https://api.openweathermap.org/data/2.5/weather?lat=${
      lat}&lon=${lon}&units=imperial&appid=${apiKey}`;
    const weatherResponse = await axios.get(weatherUrl);
    const weatherData = weatherResponse.data;

    weather = `${weatherData.weather[0].description}, ${weatherData.main.temp}°F`;
  } catch (error) {
    console.error('Failed to fetch weather during edit:', error.message);
  }

  posts[index] = { author, title, content, date, city, weather };
  res.redirect('/');
});


// updating post display when one is deleted
app.post('/delete/:index', (req, res) => {
  posts.splice(req.params.index, 1);
  res.redirect('/');
});

// used for testing 
app.listen(port, () => {
  console.log(`Server is running at http://localhost:${port}`);
});