//
//  FeedParser.swift
//  Leganto
//
//  Created by Louis Hollingworth on 2023-05-24.
//

import Foundation
import FeedKit

class LFeedParser: ObservableObject {
    var urlStr: String
    @Published var rssFeed: RSSFeed?
    @Published var atomFeed: AtomFeed?
    @Published var jsonFeed: JSONFeed?
    
    init(urlStr: String) {
        self.urlStr = urlStr
    }
    
    func loadData() {
        if let url = URL(string: urlStr) {
            let parser = FeedParser(URL: url)
            
            parser.parseAsync { (result) in
                
                switch result {
                case .success(let feed):
                    switch feed {
                    case let .atom(feed):
                        self.atomFeed = feed
                    case let .json(feed):
                        self.jsonFeed = feed
                    case let .rss(feed):
                        self.rssFeed = feed
                    }
                case .failure(let err):
                    print(err)
                }
                
                DispatchQueue.main.async {
                    self.objectWillChange.send()
                }
            }
        }
        
    }
}