passepartout-apple/Passepartout/App/Views/DiagnosticsView.swift

//
//  DiagnosticsView.swift
//  Passepartout
//
//  Created by Davide De Rosa on 2/20/22.
//  Copyright (c) 2022 Davide De Rosa. All rights reserved.
//
//  https://github.com/passepartoutvpn
//
//  This file is part of Passepartout.
//
//  Passepartout is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  Passepartout is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with Passepartout.  If not, see <http://www.gnu.org/licenses/>.
//

import SwiftUI
import PassepartoutLibrary

struct DiagnosticsView: View {
    let vpnProtocol: VPNProtocolType
    
    let providerName: ProviderName?

    var body: some View {
        Group {
            switch vpnProtocol {
            case .openVPN:
                DiagnosticsView.OpenVPNView(
                    providerName: providerName
                )
                
            case .wireGuard:
                DiagnosticsView.WireGuardView(
                    providerName: providerName
                )
            }
        }.navigationTitle(L10n.Diagnostics.title)
    }
}

extension DiagnosticsView {
    struct DebugLogSection: View {
        let appLogURL: URL?
        
        let tunnelLogURL: URL?
        
        private let refreshInterval = Constants.Log.refreshInterval

        var body: some View {
            appLink
            tunnelLink
        }

        private var appLink: some View {
            navigationLink(
                withTitle: L10n.Diagnostics.Items.AppLog.title,
                url: appLogURL,
                refreshInterval: nil
            )
        }
        
        private var tunnelLink: some View {
            navigationLink(
                withTitle: Unlocalized.VPN.vpn,
                url: tunnelLogURL,
                refreshInterval: refreshInterval
            )
        }

        private func navigationLink(withTitle title: String, url: URL?, refreshInterval: TimeInterval?) -> some View {
            NavigationLink(title) {
                url.map {
                    DebugLogView(
                        title: title,
                        url: $0,
                        refreshInterval: refreshInterval
                    )
                }
            }.disabled(url == nil)
        }
    }
}