1 files changed, 105 insertions, 6 deletions
diff --git a/LibreEdit/ContentView.swift b/LibreEdit/ContentView.swift
index 3d5fcf6..87def10 100644
--- a/LibreEdit/ContentView.swift
+++ b/LibreEdit/ContentView.swift
@@ -7,15 +7,114 @@
 
 import SwiftUI
 
+func getDatetime() -> String {
+    let dateFormatter = DateFormatter()
+    let enUSPosixLocale = Locale(identifier: "en_US_POSIX")
+    dateFormatter.locale = enUSPosixLocale
+    dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZZZZZ"
+    dateFormatter.calendar = Calendar(identifier: .gregorian)
+
+    let iso8601String = dateFormatter.string(from: Date())
+
+    return iso8601String
+}
+
+// Ensure that `Supports Document Browser` = YES in the `ios-edit.xcodeproj` file,
+// so that users can browse saved files in the Files app
+func getDocumentsDirectory() -> URL {
+    let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
+    let documentsDirectory = paths[0]
+    return documentsDirectory
+}
+
 struct ContentView: View {
+    enum FocusedField {
+        case content
+    }
+    
+    @State private var content = ""
+    @State private var wordCount: Int = 0
+    @State private var showingPopover = false
+    @FocusState private var focusedField: FocusedField?
+    
     var body: some View {
-        VStack {
-            Image(systemName: "globe")
-                .imageScale(.large)
-                .foregroundStyle(.tint)
-            Text("Hello, world!")
+        NavigationView {
+            VStack(alignment: .leading) {
+                Text("\(wordCount) words")
+                    .font(.headline)
+                    .foregroundColor(.secondary)
+                    .padding(.trailing)
+                TextEditor(text: $content)
+                    .onChange(of: content) {
+                        let words = content.split { $0 == " " || $0.isNewline }
+                        self.wordCount = words.count
+                    }
+                    .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
+                    .focused($focusedField, equals: .content)
+            }
+            .onAppear {
+                focusedField = .content
+            }
+            .padding()
+            .navigationTitle("Libre Edit")
+            .toolbar {
+                ToolbarItemGroup(placement: .primaryAction) {
+                    Button(action: {
+                        do {
+                            let data = Data(self.content.utf8)
+                            let url = URL.documentsDirectory.appending(path: (getDatetime() + ".txt"))
+                            try data.write(to: url, options: [.atomic, .completeFileProtection])
+
+                            // TODO: Alerts currently aren't working/aren't visible
+                            Text("File saved successfully!")
+                                .foregroundColor(.white)
+                                .bold()
+                                .font(.footnote)
+                                .frame(width: 140, height: 30)
+                                .background(Color.indigo.cornerRadius(7))
+                            print("Saved content to file: \(url)")
+                        } catch {
+                            // TODO: Alerts currently aren't working/aren't visible
+                            Text("Failed to save file.")
+                                .foregroundColor(.white)
+                                .bold()
+                                .font(.footnote)
+                                .frame(width: 140, height: 30)
+                                .background(Color.red.cornerRadius(7))
+                            print("Error saving content to file: \(error)")
+                        }
+                    }) {
+                        Text("Save")
+                    }
+                    // TODO: Confirm (possibly save) & then clear TextEditor
+                    Button(action: {
+                        print("TODO: This will create a new note.")
+                    }) {
+                        Text("New")
+                    }
+                }
+                ToolbarItemGroup(placement: .secondaryAction) {
+                    Button {
+                        showingPopover = true
+                    } label: {
+                        Text("App Info")
+                    }.popover(isPresented: $showingPopover) {
+                        VStack(alignment: .leading) {
+                            Text("App Info")
+                                .font(.largeTitle)
+                            Text("")
+                            Text("Libre Edit is a free and open source text editor for iOS built by [Christian Cleberg](https://cleberg.net).")
+                            Text("")
+                            Text("Visit the [GitHub Repository](https://github.com/ccleberg/ios-edit) to view the source code.")
+                            Text("")
+                            Text("This project was developed under the [GNU GPL v3 license](https://github.com/ccleberg/ios-edit/LICENSE).")
+                            Spacer()
+                        }
+                        .padding()
+                    }
+                }
+            }
         }
-        .padding()
     }
 }