LeCountdown/LeCountdown/Views/SettingsView.swift

//
//  SettingsView.swift
//  LeCountdown
//
//  Created by Laurent Morvillier on 10/03/2023.
//

import SwiftUI
import MessageUI

struct SettingsView: View {
    
    @State var confirmationSound = Preferences.playConfirmationSound
    @State var raiseSoundOnLaunch = Preferences.raiseSoundOnLaunch
    @State var cancellationSound = Preferences.playCancellationSound
    @State var defaultVolume: Float = Preferences.defaultVolume
    
    @State var showMailView: Bool = false
    @State var showLogsSheet: Bool = false
    @State var emailCopied: Bool = false

    var body: some View {
        
        Form {
            Toggle("Play confirmation sound", isOn: self.$confirmationSound)
                .onChange(of: self.confirmationSound) { newValue in
                    Preferences.playConfirmationSound = newValue
                }
            
            Toggle("Adjust volume on launch", isOn: self.$raiseSoundOnLaunch)
                .onChange(of: self.raiseSoundOnLaunch) { newValue in
                    Preferences.raiseSoundOnLaunch = newValue
                }
            
            if self.raiseSoundOnLaunch {
                HStack {
                    Text("Default Volume")
                    Spacer()
                    Slider(value: self.$defaultVolume)
                        .onChange(of: self.defaultVolume, perform: { newValue in
                            Preferences.defaultVolume = self.defaultVolume
                        })
                        .frame(width: 120.0)
                }
            }
            
            if MFMailComposeViewController.canSendMail() {
                Button {
                    self.showMailView = true
                } label: {
                    Label("Contact us", systemImage: "mail")
                }
            } else {
                if self.emailCopied {
                    Label("Copied", systemImage: "checkmark")
                } else {
                    Button {
                        UIPasteboard.general.string = URLs.mail.rawValue
                        withAnimation {
                            self.emailCopied = true
                        }
                    } label: {
                        LabeledContent("Contact us", value: "tap to copy email")
                    }
                }
            }
            ShareLink(item: URLs.appLink.rawValue) {
                Label("Share app", systemImage: "square.and.arrow.up")
            }
            
            Button {
                self._requestReview()
            } label: {
                Label("Write a review!", systemImage: "scribble")
            }

            Button {
                withAnimation {
                    self.showLogsSheet.toggle()
                }
            } label: {
                Text("Logs")
            }
            .sheet(isPresented: self.$showLogsSheet, content: {
                NavigationStack {
                    LogsView().navigationTitle("Logs")
                }
            })
        }.sheet(isPresented: $showMailView) {
            MailView(isShowing: $showMailView)
        }
        .navigationTitle("Settings")
        
    }
    
    fileprivate func _requestReview() {
        guard let writeReviewURL = URL(string: "https://apps.apple.com/app/id6446093767?action=write-review")
            else { return }
        UIApplication.shared.open(writeReviewURL, options: [:], completionHandler: nil)
    }
    
}

struct SettingsView_Previews: PreviewProvider {
    static var previews: some View {
        SettingsView()
    }
}