//  BehaviorPrefsView.swift
//  Tusker
//
//  Created by Shadowfacts on 6/13/19.
//  Copyright © 2019 Shadowfacts. All rights reserved.
//

import SwiftUI
import Pachyderm

struct BehaviorPrefsView: View {
    @ObservedObject var preferences = Preferences.shared

    var body: some View {
        List {
            untitledSection
            timelineSection
            linksSection
            contentWarningsSection
        }
        .listStyle(.insetGrouped)
        .appGroupedListBackground(container: PreferencesNavigationController.self)
        .navigationBarTitle(Text("Behavior"))
    }
    
    private var untitledSection: some View {
        Section {
            Toggle(isOn: $preferences.confirmBeforeReblog) {
                Text("Require Confirmation Before Reblogging")
            }
        }
        .appGroupedListRowBackground()
    }
    
    private var timelineSection: some View {
        Section {
            Toggle(isOn: $preferences.timelineStateRestoration) {
                Text("Maintain Position Across App Launches")
            }
            
            Picker(selection: $preferences.timelineSyncMode) {
                Text("iCloud").tag(Preferences.TimelineSyncMode.icloud)
                Text("Mastodon").tag(Preferences.TimelineSyncMode.mastodon)
            } label: {
                Text("Sync Timeline Position via")
            }
        } header: {
            Text("Timeline")
        } footer: {
            Text("Syncing via the Mastodon API can be more reliable than iCloud, but is not compatible with the Mastodon web interface.")
        }
        .appGroupedListRowBackground()
    }

    private var linksSection: some View {
        Section(header: Text("Links")) {
            Toggle(isOn: $preferences.openLinksInApps) {
                Text("Open Links in Apps")
            }
            Toggle(isOn: $preferences.useInAppSafari) {
                Text("Use In-App Safari")
            }
            Toggle(isOn: $preferences.inAppSafariAutomaticReaderMode) {
                Text("Always Use Reader Mode in In-App Safari")
            }.disabled(!preferences.useInAppSafari)
        }
        .appGroupedListRowBackground()
    }
    
    private var contentWarningsSection: some View {
        Section(header: Text("Content Warnings")) {
            Toggle(isOn: $preferences.collapseLongPosts) {
                Text("Collapse Long Posts")
            }
            
            Toggle(isOn: $preferences.expandAllContentWarnings) {
                Text("Expand All Content Warnings")
            }
            
            NavigationLink(destination: OppositeCollapseKeywordsView()) {
                Text(preferences.expandAllContentWarnings ? "Collapse Posts with Keywords in CWs" : "Expand Posts with Keywords in CWs")
            }
        }
        .appGroupedListRowBackground()
    }
}

#if DEBUG
struct BehaviorPrefsView_Previews : PreviewProvider {
    static var previews: some View {
        BehaviorPrefsView()
    }
}
#endif