swiftUI-tabbar-app-template/TabBarProject/Views/ListCategoryView.swift

//
//  ListCategoryView.swift
//  TabBarProject
//
//  Created by Arthur Dambrine on 06/04/2021.
//

import SwiftUI

struct Category: Codable, Identifiable {
    let id = UUID()
    let id_categorie: Int
    let nom: String
}

class apiCall {
    func getCategories(completion:@escaping ([Category]) -> ()) {
        guard let url = URL(string: "https://api.art-dambrine.ovh/categories") else { return }
        URLSession.shared.dataTask(with: url) { (data, _, _) in
            let categories = try! JSONDecoder().decode([Category].self, from: data!)
            print(categories)
            
            DispatchQueue.main.async {
                completion(categories)
            }
        }
        .resume()
    }
}


struct ListCategoryView: View {
    @State var categories: [Category] = []
    
    var body: some View {
        VStack {
            Button {
                print("buttonClicked")
                apiCall().getCategories { (categories) in
                    self.categories = categories
                }
            } label : {
                Text("Afficher les categories")
            }
            
            List(categories) { categorie in
                
                Text(String(categorie.id_categorie))
                    .font(.headline)
                Text(categorie.nom)
                    .font(.subheadline)
                
            }
            
        }
    }
}

struct ListCategoryView_Previews: PreviewProvider {
    static var previews: some View {
        ListCategoryView()
    }
}