control.js

const axios = require('axios').default
const prettyjson = require('prettyjson')
const prettyjsonOptions = {}
const colorType = require('../constants/colors')
// Weather API config
require('dotenv').config()
const controlUrl = 'http://127.0.0.1:3000'

module.exports = {
  /**
   * Returns a Promise from OpenWeather containing the weather forecast for a particular ZIP code.
   *
   * @param {string} num - A valid, 5-digit ZIP code for the area to get the weather for.
   * @returns {Promise<JSON>} The forecast response for this request.
   */
  getForecast: async function (zipCode) {
    const url = `${weatherUrl}/forecast`
    const config = {
      params: {
        zip: zipCode,
        units: 'imperial',
        APPID: weatherApiKey,
      },
    }

    const response = await axios
      .get(url, config)
      .catch((error) => console.log(error))
    return response.data
  },

  /**
   * Returns the hue and saturation values for a given forecast and chunks (in 3 hour intervals from current time):
   *
   * Any precipitation will return values for the color Purple, regardless of temp.
   * Any forecast temperature greater than 80 degrees Fahrenheit return values for orange.
   * Any forecast temperature less than 50 degrees Fahrenheit return values for blue.
   * Any other forecast temperature or conditions return values for soft white.
   *
   * @param {Object} weather - The current forecast.
   * @param {number} chunks - The number of forecast chunks to check (each chunk is 3 hours)
   * @returns {Object} The hue and saturation values. E.g., {hue: 23, saturation: 100}
   */
  getColorForForecast: function (weather, chunks) {
    console.log(`will get forecast for the next ${chunks} chunks`)

    let forecast = weather.list.slice(0, chunks)
    let precip = false
    // console.log(prettyjson.render(forecast, prettyjsonOptions));
    let temps = forecast.map(function (item) {
      return item.main.temp
    })

    let conditions = forecast.map(function (item) {
      return item.weather[0].main
    })
    // console.log(prettyjson.render({ temps, conditions }, prettyjsonOptions));
    let highestTemp = Math.max(...temps)
    let lowestTemp = Math.min(...temps)

    if (
      conditions.indexOf('Rain') > -1 ||
      conditions.indexOf('Mist') > -1 ||
      conditions.indexOf('Snow') > -1
    ) {
      precip = true
    }

    let color = null
    if (precip) {
      color = colorType.PURPLE
    } else if (highestTemp > 80) {
      color = colorType.RED
    } else if (lowestTemp < 50) {
      color = colorType.BLUE
    } else {
      color = colorType.WHITE
    }

    console.log(`color values:\n${prettyjson.render(color, prettyjsonOptions)}`)
    return color
  },
}