From ac1a5d237e88b749a4dca7adcf3617fd75c8d918 Mon Sep 17 00:00:00 2001
From: Joel Klabo <joelklabo@gmail.com>
Date: Tue, 31 Jan 2023 18:32:11 -0800
Subject: [PATCH] Add Copy Invoice Button

Changelog-Added: Copy invoice button
Closes: #469
---
 damus/Components/InvoiceView.swift | 135 +++++++++++++++++------------
 1 file changed, 79 insertions(+), 56 deletions(-)

diff --git a/damus/Components/InvoiceView.swift b/damus/Components/InvoiceView.swift
index adae01a1..027dfe75 100644
--- a/damus/Components/InvoiceView.swift
+++ b/damus/Components/InvoiceView.swift
@@ -7,6 +7,84 @@
 
 import SwiftUI
 
+struct InvoiceView: View {
+    @Environment(\.colorScheme) var colorScheme
+    @Environment(\.openURL) private var openURL
+    let our_pubkey: String
+    let invoice: Invoice
+    @State var showing_select_wallet: Bool = false
+    @State var copied = false
+    
+    var CopyButton: some View {
+        Button {
+            copied = true
+            DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
+                copied = false
+            }
+            UIImpactFeedbackGenerator(style: .medium).impactOccurred()
+            UIPasteboard.general.string = invoice.string
+        } label: {
+            if !copied {
+                Image(systemName: "doc.on.clipboard")
+                    .foregroundColor(.gray)
+            } else {
+                Image(systemName: "checkmark.circle")
+                    .foregroundColor(Color("DamusGreen"))
+            }
+        }
+    }
+    
+    var PayButton: some View {
+        Button {
+            if should_show_wallet_selector(our_pubkey) {
+                showing_select_wallet = true
+            } else {
+                open_with_wallet(wallet: get_default_wallet(our_pubkey).model, invoice: invoice.string)
+            }
+        } label: {
+            RoundedRectangle(cornerRadius: 20, style: .circular)
+                .foregroundColor(colorScheme == .light ? .black : .white)
+                .overlay {
+                    Text("Pay", comment: "Button to pay a Lightning invoice.")
+                        .fontWeight(.medium)
+                        .foregroundColor(colorScheme == .light ? .white : .black)
+                }
+        }
+        .onTapGesture {
+            // Temporary solution so that the "pay" button can be clicked (Yes we need an empty tap gesture)
+            print("pay button tap")
+        }
+    }
+    
+    var body: some View {
+        ZStack {
+            RoundedRectangle(cornerRadius: 10)
+                .foregroundColor(.secondary.opacity(0.1))
+            
+            VStack(alignment: .leading, spacing: 12) {
+                HStack {
+                    Label("", systemImage: "bolt.fill")
+                        .foregroundColor(.orange)
+                    Text("Lightning Invoice", comment: "Indicates that the view is for paying a Lightning invoice.")
+                    Spacer()
+                    CopyButton
+                }
+                Divider()
+                Text(invoice.description_string)
+                Text(invoice.amount.amount_sats_str())
+                    .font(.title)
+                PayButton
+                    .frame(height: 50)
+                    .zIndex(10.0)
+            }
+            .padding(30)
+        }
+        .sheet(isPresented: $showing_select_wallet, onDismiss: {showing_select_wallet = false}) {
+            SelectWalletView(showingSelectWallet: $showing_select_wallet, our_pubkey: our_pubkey, invoice: invoice.string)
+        }
+    }
+}
+
 func open_with_wallet(wallet: Wallet.Model, invoice: String) {
     if let url = URL(string: "\(wallet.link)\(invoice)"), UIApplication.shared.canOpenURL(url) {
         UIApplication.shared.open(url)
@@ -28,67 +106,12 @@ func open_with_wallet(wallet: Wallet.Model, invoice: String) {
     }
 }
 
-struct InvoiceView: View {
-    @Environment(\.colorScheme) var colorScheme
-    @Environment(\.openURL) private var openURL
-    let our_pubkey: String
-    let invoice: Invoice
-    @State var showing_select_wallet: Bool = false
-    
-    var PayButton: some View {
-        Button {
-            if should_show_wallet_selector(our_pubkey) {
-                showing_select_wallet = true
-            } else {
-                open_with_wallet(wallet: get_default_wallet(our_pubkey).model, invoice: invoice.string)
-            }
-        } label: {
-            RoundedRectangle(cornerRadius: 20)
-                .foregroundColor(colorScheme == .light ? .black : .white)
-                .overlay {
-                    Text("Pay", comment: "Button to pay a Lightning invoice.")
-                        .fontWeight(.medium)
-                        .foregroundColor(colorScheme == .light ? .white : .black)
-                }
-        }
-        //.buttonStyle(.bordered)
-        .onTapGesture {
-            // Temporary solution so that the "pay" button can be clicked (Yes we need an empty tap gesture)
-        }
-    }
-    
-    var body: some View {
-        ZStack {
-            RoundedRectangle(cornerRadius: 10)
-                .foregroundColor(.secondary.opacity(0.1))
-            
-            VStack(alignment: .leading, spacing: 12) {
-                HStack {
-                    Label("", systemImage: "bolt.fill")
-                        .foregroundColor(.orange)
-                    Text("Lightning Invoice", comment: "Indicates that the view is for paying a Lightning invoice.")
-                }
-                Divider()
-                Text(invoice.description_string)
-                Text(invoice.amount.amount_sats_str())
-                    .font(.title)
-                PayButton
-                    .frame(height: 50)
-                    .zIndex(10.0)
-            }
-            .padding(30)
-        }
-        .sheet(isPresented: $showing_select_wallet, onDismiss: {showing_select_wallet = false}) {
-            SelectWalletView(showingSelectWallet: $showing_select_wallet, our_pubkey: our_pubkey, invoice: invoice.string)
-        }
-    }
-}
 
 let test_invoice = Invoice(description: .description("this is a description"), amount: .specific(10000), string: "lnbc100n1p357sl0sp5t9n56wdztun39lgdqlr30xqwksg3k69q4q2rkr52aplujw0esn0qpp5mrqgljk62z20q4nvgr6lzcyn6fhylzccwdvu4k77apg3zmrkujjqdpzw35xjueqd9ejqcfqv3jhxcmjd9c8g6t0dcxqyjw5qcqpjrzjqt56h4gvp5yx36u2uzqa6qwcsk3e2duunfxppzj9vhypc3wfe2wswz607uqq3xqqqsqqqqqqqqqqqlqqyg9qyysgqagx5h20aeulj3gdwx3kxs8u9f4mcakdkwuakasamm9562ffyr9en8yg20lg0ygnr9zpwp68524kmda0t5xp2wytex35pu8hapyjajxqpsql29r", expiry: 604800, payment_hash: Data(), created_at: 1666139119)
 
 struct InvoiceView_Previews: PreviewProvider {
     static var previews: some View {
         InvoiceView(our_pubkey: "", invoice: test_invoice)
-            .frame(width: 200, height: 200)
+            .frame(width: 300, height: 200)
     }
 }