From 58a310156bd09ac536f65aa12122ea1f045c0116 Mon Sep 17 00:00:00 2001
From: Iván Ávalos <avalos@disroot.org>
Date: Tue, 8 Feb 2022 22:01:58 -0600
Subject: - Disable button when no command is selected. - Add confirmation for
 sending command.

---
 iosApp/iosApp/Details/Commands/UnitCommandsView.swift      | 11 ++++++++++-
 iosApp/iosApp/Details/Commands/UnitCommandsViewModel.swift | 12 ++++++++++--
 iosApp/iosApp/Localizable.strings                          |  1 +
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/iosApp/iosApp/Details/Commands/UnitCommandsView.swift b/iosApp/iosApp/Details/Commands/UnitCommandsView.swift
index 9e4b280..eef3ae4 100644
--- a/iosApp/iosApp/Details/Commands/UnitCommandsView.swift
+++ b/iosApp/iosApp/Details/Commands/UnitCommandsView.swift
@@ -39,10 +39,19 @@ struct UnitCommandsView: View {
                 }.pickerStyle(InlinePickerStyle())
                 
                 Button {
-                    unitCommandsViewModel.sendCommand()
+                    unitCommandsViewModel.showConfirmation = true
                 } label: {
                     Label("send-command", systemImage: "paperplane")
                 }
+                .disabled(unitCommandsViewModel.notSelected)
+                .actionSheet(isPresented: $unitCommandsViewModel.showConfirmation) {
+                    ActionSheet(title: Text("send-command-confirm"), buttons: [
+                        .cancel(),
+                        .destructive(Text("send-command")) {
+                            unitCommandsViewModel.sendCommand()
+                        }
+                    ])
+                }
             }
         }
     }
diff --git a/iosApp/iosApp/Details/Commands/UnitCommandsViewModel.swift b/iosApp/iosApp/Details/Commands/UnitCommandsViewModel.swift
index aac82c9..d7298c4 100644
--- a/iosApp/iosApp/Details/Commands/UnitCommandsViewModel.swift
+++ b/iosApp/iosApp/Details/Commands/UnitCommandsViewModel.swift
@@ -25,11 +25,19 @@ class UnitCommandsViewModel: ObservableObject {
     @Published var selected: Command?
     @Published var selectedId: Int = 0 {
         didSet {
-            selected = commands.first(where: {
+            if let selected = commands.first(where: {
                 Int(truncating: $0.id!) == selectedId
-            })
+            }) {
+                self.selected = selected
+                notSelected = false
+            } else {
+                self.selected = nil
+                notSelected = true
+            }
         }
     }
+    @Published var notSelected: Bool = true
+    @Published var showConfirmation: Bool = false
     
     func fetchCommands(id: Int32) {
         commandsController.fetchCommands(deviceId: id) { commands, error in
diff --git a/iosApp/iosApp/Localizable.strings b/iosApp/iosApp/Localizable.strings
index 4d1e1f2..76e7bd4 100644
--- a/iosApp/iosApp/Localizable.strings
+++ b/iosApp/iosApp/Localizable.strings
@@ -52,3 +52,4 @@
 "maps-url-template" = "https://www.google.com/maps/place/{y},{x}?z=19";
 
 "send-command" = "Send command";
+"send-command-confirm" = "Are you sure you want to send the command?";
-- 
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