NetNewsWire/Multiplatform/Shared/Article/ArticleModel.swift

//
//  ArticleModel.swift
//  NetNewsWire
//
//  Created by Maurice Parker on 7/2/20.
//  Copyright © 2020 Ranchero Software. All rights reserved.
//

import Foundation

import Foundation
import RSCore
import Account
import Articles

protocol ArticleModelDelegate: class {
	var articleModelWebViewProvider: WebViewProvider? { get }
	func findPrevArticle(_: ArticleModel, article: Article) -> Article?
	func findNextArticle(_: ArticleModel, article: Article) -> Article?
	func selectArticle(_: ArticleModel, article: Article)
}

protocol ArticleManager: class {
	var currentArticle: Article? { get }
}

class ArticleModel: ObservableObject {
	
	weak var articleManager: ArticleManager?
	weak var delegate: ArticleModelDelegate?
	
	var webViewProvider: WebViewProvider? {
		return delegate?.articleModelWebViewProvider
	}
	
	var currentArticle: Article? {
		return articleManager?.currentArticle
	}
	
	// MARK: API
	
	func findPrevArticle(_ article: Article) -> Article? {
		return delegate?.findPrevArticle(self, article: article)
	}
	
	func findNextArticle(_ article: Article) -> Article? {
		return delegate?.findNextArticle(self, article: article)
	}
	
	func selectArticle(_ article: Article) {
		delegate?.selectArticle(self, article: article)
	}

	func toggleReadForCurrentArticle() {
		if let article = currentArticle {
			markArticles([article], statusKey: .starred, flag: !article.status.starred)
		}
	}
	
	func toggleStarForCurrentArticle() {
		if let article = currentArticle {
			markArticles([article], statusKey: .starred, flag: !article.status.starred)
		}
	}
	
	
}