CurrentWeather.swift

//
//  CurrentWeather.swift
//  MySunnies
//
//  Created by Justin Ji on 29/06/2017.
//  Copyright © 2017 Justin Ji. All rights reserved.
//

import Foundation

struct CurrentWeather {
	let temperature: Double
	let humidity: Double
	let precipitationProbability: Double
	let summary: String
	let icon: String	
}

extension CurrentWeather {
	
	struct Key {
		static let temperature = "temperature"
		static let humidity = "humidity"
		static let precipitationProbability = "precipProbability"
		static let summary = "summary"
		static let icon = "icon"
	}
	
	//This initialiser is going to accept a dictionary of type string any object
	init?(json: [String: AnyObject]) {
		
		//This initialiser takes the JSON weather data and covert it into double and string types
		guard let temValue = json[Key.temperature] as? Double,
			let humidityValue = json[Key.humidity] as? Double,
			let precipitationProbabilityValue = json[Key.precipitationProbability] as? Double,
			let summaryString = json[Key.summary] as? String,
			let iconString = json[Key.icon] as? String else { return nil}
		
		self.temperature = temValue
		self.humidity = humidityValue
		self.precipitationProbability = precipitationProbabilityValue
		self.summary = summaryString
		self.icon = iconString
	}
	
}