//
//  WellnessPrefsView.swift
//  Tusker
//
//  Created by Shadowfacts on 9/14/19.
//  Copyright © 2019 Shadowfacts. All rights reserved.
//

import SwiftUI

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

    var body: some View {
        List {
            showFavAndReblogCount
            notificationsMode
            grayscaleImages
            disableInfiniteScrolling
            hideDiscover
        }
        .listStyle(.insetGrouped)
        .appGroupedScrollBackgroundIfAvailable()
        .navigationBarTitle(Text("Digital Wellness"))
    }
    
    private var showFavAndReblogCount: some View {
        Section(footer: Text("Control whether the focused post in the conversation view shows total favorite and reblog counts.")) {
            Toggle(isOn: $preferences.showFavoriteAndReblogCounts) {
                Text("Favorite and Reblog Counts in Conversations")
            }
        }
        .listRowBackground(Color.appGroupedCellBackground)
    }
    
    private var notificationsMode: some View {
        Section(footer: Text("Choose which kinds of notifications will be shown by default in the Notifications tab.")) {
            Picker(selection: $preferences.defaultNotificationsMode, label: Text("Default Notifications Mode")) {
                ForEach(NotificationsMode.allCases, id: \.self) { type in
                    Text(type.displayName).tag(type)
                }
            }
        }
        .listRowBackground(Color.appGroupedCellBackground)
    }
    
    private var grayscaleImages: some View {
        Section(footer: Text("Show attachments, avatars, headers, and custom emoji in black and white.")) {
            Toggle(isOn: $preferences.grayscaleImages) {
                Text("Grayscale Images")
            }
        }
        .listRowBackground(Color.appGroupedCellBackground)
    }
    
    private var disableInfiniteScrolling: some View {
        Section(footer: Text("Require a button tap before loading more posts.")) {
            Toggle(isOn: $preferences.disableInfiniteScrolling) {
                Text("Disable Infinite Scrolling")
            }
        }
        .listRowBackground(Color.appGroupedCellBackground)
    }
    
    private var hideDiscover: some View {
        Section(footer: Text("Do not show the Discover section (Trends, Profile Directory) of the Explore screen or sidebar.")) {
            Toggle(isOn: $preferences.hideDiscover) {
                Text("Hide Discover Section")
            }
        }
        .listRowBackground(Color.appGroupedCellBackground)
    }
}

struct WellnessPrefsView_Previews: PreviewProvider {
    static var previews: some View {
        WellnessPrefsView()
    }
}