NetNewsWire/Shared/ExtensionPoints/ExtensionPoint.swift

//
//  ExtensionPoint.swift
//  NetNewsWire
//
//  Created by Maurice Parker on 4/7/20.
//  Copyright © 2020 Ranchero Software. All rights reserved.
//

#if os(macOS)
import AppKit
#else
import UIKit
#endif
import RSCore

protocol ExtensionPoint {

	static var isSinglton: Bool { get }
	static var title: String { get }
	static var templateImage: RSImage { get }
	static var description: NSAttributedString { get }
	
	var title: String { get }
	var extensionPointID: ExtensionPointIdentifer { get }
	
}

extension ExtensionPoint {
	
	var templateImage: RSImage {
		return extensionPointID.extensionPointType.templateImage
	}

	var description: NSAttributedString {
		return extensionPointID.extensionPointType.description
	}
	
	static func makeAttrString(_ text: String) -> NSMutableAttributedString {
		let paragraphStyle = NSMutableParagraphStyle()
		paragraphStyle.alignment = .center

		#if os(macOS)
		let attrs = [
			NSAttributedString.Key.paragraphStyle: paragraphStyle,
			NSAttributedString.Key.font: NSFont.systemFont(ofSize: NSFont.systemFontSize),
			NSAttributedString.Key.foregroundColor: NSColor.textColor
		]
		#else
		let attrs = [
			NSAttributedString.Key.paragraphStyle: paragraphStyle,
			NSAttributedString.Key.font: UIFont.preferredFont(forTextStyle: .body),
			NSAttributedString.Key.foregroundColor: UIColor.label
		]
		#endif

		return NSMutableAttributedString(string: text, attributes: attrs)
	}
	
}