UTM/Platform/Shared/VMContextMenuModifier.swift

//
// Copyright © 2020 osy. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

import SwiftUI

struct VMContextMenuModifier: ViewModifier {
    @ObservedObject var vm: VMData
    @EnvironmentObject private var data: UTMData
    @State private var showSharePopup = false
    @State private var confirmAction: ConfirmAction?
    @State private var shareItem: VMShareItemModifier.ShareItem?
    
    func body(content: Content) -> some View {
        #if os(macOS)
        if #unavailable(macOS 12) {
            bodyBigSur(content: content)
        } else {
            bodyFull(content: content)
        }
        #else
        return bodyFull(content: content)
        #endif
    }
    
    #if os(macOS)
    @ViewBuilder func bodyBigSur(content: Content) -> some View {
        content.contextMenu {
            Button {
                NSWorkspace.shared.activateFileViewerSelecting([vm.pathUrl])
            } label: {
                Label("Show in Finder", systemImage: "folder")
            }
        }
    }
    #endif
    
    /// Full context menu for anything other than Big Sur
    /// - Parameter content: Content
    /// - Returns: View
    @available(macOS 12, *)
    @ViewBuilder func bodyFull(content: Content) -> some View {
        content.contextMenu {
            #if os(macOS)
            Button {
                NSWorkspace.shared.activateFileViewerSelecting([vm.pathUrl])
            } label: {
                Label("Show in Finder", systemImage: "folder")
            }.help("Reveal where the VM is stored.")
            Divider()
            #endif
            #if !WITH_REMOTE // FIXME: implement remote feature
            Button {
                data.close(vm: vm) // close window
                data.edit(vm: vm)
            } label: {
                Label("Edit", systemImage: "slider.horizontal.3")
            }.disabled(vm.hasSuspendState || !vm.isModifyAllowed)
            .help("Modify settings for this VM.")
            #endif
            if vm.hasSuspendState || !vm.isStopped {
                Button {
                    confirmAction = .confirmStopVM
                } label: {
                    Label("Stop", systemImage: "stop")
                }.help("Stop the running VM.")
            } else if !vm.isModifyAllowed { // paused
                Button {
                    data.run(vm: vm)
                } label: {
                    Label("Resume", systemImage: "playpause")
                }.help("Resume running VM.")
            } else {
                Divider()
                
                Button {
                    data.run(vm: vm)
                } label: {
                    Label("Run", systemImage: "play")
                }.help("Run the VM in the foreground.")
                
                #if os(macOS) && arch(arm64)
                if #available(macOS 13, *), let appleConfig = vm.config as? UTMAppleConfiguration, appleConfig.system.boot.operatingSystem == .macOS {
                    Button {
                        data.run(vm: vm, options: .bootRecovery)
                    } label: {
                        Label("Run Recovery", systemImage: "lifepreserver.fill")
                    }.help("Boot into recovery mode.")
                }
                #endif
                
                if let _ = vm.config as? UTMQemuConfiguration {
                    Button {
                        data.run(vm: vm, options: .bootDisposibleMode)
                    } label: {
                        Label("Run without saving changes", systemImage: "memories")
                    }.help("Run the VM in the foreground, without saving data changes to disk.")
                }
                
                #if os(iOS) || os(visionOS)
                if let qemuConfig = vm.config as? UTMQemuConfiguration {
                    Button {
                        NotificationCenter.default.post(name: NSNotification.InstallGuestTools, object: vm.wrapped!)
                    } label: {
                        Label("Install Windows Guest Tools…", systemImage: "wrench.and.screwdriver")
                    }.help("Download and mount the guest tools for Windows.")
                }
                #endif
                
                Divider()
            }
            #if !WITH_REMOTE // FIXME: implement remote feature
            Button {
                shareItem = .utmCopy(vm)
                showSharePopup.toggle()
            } label: {
                Label("Share…", systemImage: "square.and.arrow.up")
            }.help("Share a copy of this VM and all its data.")
            #if os(macOS)
            if !vm.isShortcut {
                Button {
                    confirmAction = .confirmMoveVM
                } label: {
                    Label("Move…", systemImage: "arrow.down.doc")
                }.disabled(!vm.isModifyAllowed)
                .help("Move this VM from internal storage to elsewhere.")
            }
            #endif
            Button {
                confirmAction = .confirmCloneVM
            } label: {
                Label("Clone…", systemImage: "doc.on.doc")
            }.help("Duplicate this VM along with all its data.")
            Button {
                data.busyWorkAsync {
                    try await data.template(vm: vm)
                }
            } label: {
                Label("New from template…", systemImage: "doc.on.clipboard")
            }.help("Create a new VM with the same configuration as this one but without any data.")
            Divider()
            if vm.isShortcut {
                DestructiveButton {
                    confirmAction = .confirmDeleteShortcut
                } label: {
                    Label("Remove", systemImage: "trash")
                }.disabled(!vm.isModifyAllowed)
                .help("Delete this shortcut. The underlying data will not be deleted.")
            } else {
                DestructiveButton {
                    confirmAction = .confirmDeleteVM
                } label: {
                    Label("Delete", systemImage: "trash")
                }.disabled(!vm.isModifyAllowed)
                .help("Delete this VM and all its data.")
            }
            #endif
        }
        .modifier(VMShareItemModifier(isPresented: $showSharePopup, shareItem: shareItem))
        .modifier(VMConfirmActionModifier(vm: vm, confirmAction: $confirmAction) {
            if confirmAction == .confirmMoveVM {
                shareItem = .utmMove(vm)
                showSharePopup.toggle()
            }
        })
    }
}