//
//  UserActivities.swift
//  Gemini-iOS
//
//  Created by Shadowfacts on 9/28/21.
//

import Foundation
import BrowserCore

private let type = "space.vaccor.Gemini.activity.browse"

extension NSUserActivity {
    convenience init(geminiURL url: URL) {
        self.init(activityType: type)
        self.userInfo = [
            "url": url,
        ]
    }
    
    convenience init(navigationManager manager: NavigationManager) {
        self.init(activityType: type)
        self.userInfo = [
            "url": manager.currentURL,
            "back": manager.backStack,
            "forward": manager.forwardStack,
        ]
    }
    
    var navigationManager: NavigationManager? {
        guard activityType == type,
              let url = userInfo?["url"] as? URL else { return nil }
        let back = userInfo?["back"] as? [URL] ?? []
        let forward = userInfo?["forward"] as? [URL] ?? []
        let manager = NavigationManager(url: url)
        manager.backStack = back
        manager.forwardStack = forward
        return manager
    }
    
    var geminiURL: URL? {
        guard activityType == type,
              let url = userInfo?["url"] as? URL else { return nil }
        return url
    }
}