From 197f93037a556098e0e7e88e2cdb079f21e815f2 Mon Sep 17 00:00:00 2001
From: Selim Mustafaev <selim@fastmail.fm>
Date: Sun, 15 Dec 2024 23:45:30 +0300
Subject: [PATCH] Copying events

---
 AutoCat/Info.plist                            | 13 ++++
 .../Screens/EventsScreen/EventsScreen.swift   | 21 +++++-
 .../EventsScreen/EventsViewModel.swift        | 65 +++++++++++++++++++
 3 files changed, 98 insertions(+), 1 deletion(-)

diff --git a/AutoCat/Info.plist b/AutoCat/Info.plist
index b4959a8..54e4199 100644
--- a/AutoCat/Info.plist
+++ b/AutoCat/Info.plist
@@ -2,6 +2,19 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>UTExportedTypeDeclarations</key>
+	<array>
+		<dict>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.json</string>
+			</array>
+			<key>UTTypeIdentifier</key>
+			<string>pro.aliencat.vehicle.event</string>
+			<key>UTTypeTagSpecification</key>
+			<dict/>
+		</dict>
+	</array>
 	<key>LSApplicationQueriesSchemes</key>
 	<array>
 		<string>yandexmaps</string>
diff --git a/AutoCat/Screens/EventsScreen/EventsScreen.swift b/AutoCat/Screens/EventsScreen/EventsScreen.swift
index 04554de..17a51fd 100644
--- a/AutoCat/Screens/EventsScreen/EventsScreen.swift
+++ b/AutoCat/Screens/EventsScreen/EventsScreen.swift
@@ -28,6 +28,13 @@ struct EventsScreen: View {
         .hud($viewModel.hud)
         .navigationTitle(viewModel.vehicle.number)
         .toolbar {
+            if viewModel.isPasteAvailable {
+                ToolbarItem(placement: .primaryAction) {
+                    Button("", systemImage: "document.on.clipboard") {
+                        viewModel.confirmPaste()
+                    }
+                }
+            }
             ToolbarItem(placement: .primaryAction) {
                 Button("", systemImage: "plus") {
                     Task { await viewModel.addNewEvent() }
@@ -39,6 +46,18 @@ struct EventsScreen: View {
                 }
             }
         }
+        .alert("Paste event",
+               isPresented: $viewModel.showPasteAlert,
+               presenting: viewModel.pastedEvent) { event in
+            Button("Cancel", role: .cancel, action: {})
+            Button("OK") {
+                viewModel.pasteEvent(event)
+            }
+            .keyboardShortcut(.defaultAction)
+        } message: { event in
+            Text(viewModel.getConfirmMessge(from: event))
+        }
+
     }
     
     var map: some View {
@@ -92,7 +111,7 @@ struct EventsScreen: View {
         }
         
         Button() {
-            
+            viewModel.copyEvent(event)
         } label: {
             Label(useLabels ? "Copy" : "", systemImage: "doc.on.doc")
         }
diff --git a/AutoCat/Screens/EventsScreen/EventsViewModel.swift b/AutoCat/Screens/EventsScreen/EventsViewModel.swift
index d329274..c66059d 100644
--- a/AutoCat/Screens/EventsScreen/EventsViewModel.swift
+++ b/AutoCat/Screens/EventsScreen/EventsViewModel.swift
@@ -9,6 +9,15 @@
 import SwiftUI
 import AutoCatCore
 import CoreLocation
+import UniformTypeIdentifiers
+import MobileCoreServices
+
+extension UTType {
+    
+    static var vehicleEvent: UTType {
+        UTType(exportedAs: "pro.aliencat.vehicle.event", conformingTo: .json)
+    }
+}
 
 @MainActor
 @Observable
@@ -28,9 +37,17 @@ class EventsViewModel: ACHudContainer {
     var mode: EventsScreenMode = .map
     var events: [EventModel] = []
     
+    var showPasteAlert: Bool = false
+    var pastedEvent: VehicleEventDto?
+    
+    var isPasteAvailable: Bool {
+        UIPasteboard.general.data(forPasteboardType: UTType.vehicleEvent.identifier) != nil
+    }
+    
     init(vehicle: VehicleDto) {
         
         self.vehicle = vehicle
+        
         updateEvents()
     }
     
@@ -111,4 +128,52 @@ class EventsViewModel: ACHudContainer {
             self.vehicle = vehicle
         }
     }
+    
+    func getMapLink(for event: VehicleEventDto) -> URL? {
+        var urlString = "http://maps.apple.com/?sll=\(event.latitude),\(event.longitude)"
+        if let address = event.address?.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) {
+            urlString = urlString + "&address=" + address
+        }
+        return URL(string: urlString)
+    }
+    
+    func copyEvent(_ event: EventModel) {
+        guard let eventDto = vehicle.events.first(where: { $0.id == event.id }) else {
+            return
+        }
+        
+        let sharedData: [String: Any?] = [
+            UTType.url.identifier: getMapLink(for: eventDto),
+            UTType.vehicleEvent.identifier: try? JSONEncoder().encode(eventDto)
+        ]
+        
+        let items = sharedData.compactMapValues { $0 }
+        
+        if !items.isEmpty {
+            UIPasteboard.general.items = [items]
+        }
+    }
+    
+    func confirmPaste() {
+        guard let data = UIPasteboard.general.data(forPasteboardType: UTType.vehicleEvent.identifier),
+              var eventDto = try? JSONDecoder().decode(VehicleEventDto.self, from: data)
+        else {
+            return
+        }
+        
+        eventDto.id = UUID().uuidString
+        pastedEvent = eventDto
+        showPasteAlert = true
+    }
+    
+    func getConfirmMessge(from event: VehicleEventDto) -> String {
+        let date = Formatters.marker.string(from: Date(timeIntervalSince1970: event.date))
+        let location = event.address ?? "\(event.latitude), \(event.longitude)"
+        
+        return date + "\n" + location
+    }
+    
+    func pasteEvent(_ event: VehicleEventDto) {
+        
+    }
 }