Parsing_JSON_Swift4.swift

//
//  ViewController.swift
//  JSON_Parsing_Tut
//
//  Created by Eddy Ekofo on 05/04/2018.
//  Copyright © 2018 eddyekofo.com. All rights reserved.
//

import UIKit
//
//struct Course: Decodable{
//    let id:Int?
//    let name: String?
//    let imageUrl: String?
//    let link:String?
//
//}

struct WebsiteDescription: Decodable {
    let name: String
    let description: String
    let courses:[Course]
}


class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        //TODO: Change to desired url
        let jsonUrlString =  "https://api.example.com/user/id"
        guard let url = URL(string: jsonUrlString) else{return}
        
        URLSession.shared.dataTask(with: url) { (data, _, error) in
            DispatchQueue.main.async {
                if let error = error {
                    print("Failed to get data from url: ", error)
                }
            }
            
//            Do everything else
            guard let data = data else{
                return
            }
            
            do{
                //                TODO: This code is for classes without arrays
                let courses = try JSONDecoder().decode([Course].self, from: data)
                print(courses)
//                let websiteDescription = try JSONDecoder().decode(WebsiteDescription.self, from: data)
//                                print(websiteDescription)
//                self.tableView.reloadData()
            }catch let jsonError{
                print("There is an error parsing JSON: ", jsonError)
            }
        }.resume()  // fires the URLSession
        
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

}