1313//
1414
1515import SwiftUI
16+ import UIKit
1617
1718let key = " rosesR3dS0m3A3eBlu3Oth3S@R3N0Tee "
1819let iv = " ThisIsATestYaKno "
1920
2021struct ContentView : View {
2122
2223 @State var isLoggedIn : Bool = false
23- 24- var body : some View {
25- // if self.$isLoggedIn {
26- // LoggedInView.init()
27- // } else {
28- SignInView ( )
29- // }
30- }
31- }
32- 33- struct SignInView : View {
34- 24+ @State var showUsernameAlert : Bool = false
25+ @State var showPasswordAlert : Bool = false
3526 @State var typedUsername : String = " "
3627 @State var typedPassword : String = " "
3728
3829 var availableUsers = [ " Manenga " , " Mungandi " ]
3930
31+ let dism = Alert . Button. destructive ( Text ( " OK " ) )
32+ 4033 var body : some View {
34+ 35+ ZStack {
36+ HomeView . opacity ( isLoggedIn ? 1 : 0 )
37+ AuthView . opacity ( isLoggedIn ? 0 : 1 )
38+ // Alert(title: Text("empty username"), dismissButton: dism)
39+ // Alert(title: Text("Please enter a username")).opacity(showUsernameAlert ? 0 : 1)
40+ // Alert(title: Text("Please enter a password")).opacity(isLoggedIn ? 0 : 1)
41+ 42+ }
43+ }
44+ 45+ @State var isEditingUsers : Bool = false
46+ 47+ private let spacing : Length = 18
48+ private let signInBtnText = Text ( " Sign In " ) . color ( . white) . frame ( width: UIScreen . main. bounds. width - 80 , height: 45 )
49+ private let signUpBtnText = Text ( " Sign up " ) . color ( . blue) . frame ( width: UIScreen . main. bounds. width - 80 , height: 45 )
50+ 51+ var AuthView : some View {
4152 VStack {
4253 Text ( " Status: You are not signed in! " ) . color ( . red)
4354 Spacer ( )
4455
4556 VStack {
46- VStack ( spacing: 18 ) {
47- TextField ( $typedUsername, placeholder: Text ( " Username " ) , onEditingChanged: { changed in
48- print ( " onEditing: \( changed) " )
49- } ) . textFieldStyle ( . roundedBorder)
57+ VStack ( spacing: spacing) {
58+ VStack ( alignment: . leading, spacing: 6 ) {
59+ Text ( " Username " )
60+ . font ( . system( size: 15 ) )
61+ . opacity ( 0.5 )
62+ 63+ ResponderableTextField ( text: $typedUsername,
64+ isFirstResponder: true ,
65+ keyboardType: . default)
66+ . padding ( 10 )
67+ . frame ( height: 50 )
68+ . border ( Color . black, width: 0.3 , cornerRadius: 10 )
69+ }
70+ VStack ( alignment: . leading, spacing: 6 ) {
71+ Text ( " Password " )
72+ . font ( . system( size: 15 ) )
73+ . opacity ( 0.5 )
74+ 75+ SecureField ( $typedPassword, onCommit: {
76+ // to do
77+ } )
78+ . padding ( 10 )
79+ . frame ( height: 50 )
80+ . border ( Color . black, width: 0.3 , cornerRadius: 10 )
81+ }
5082
51- SecureField ( $typedPassword, placeholder: Text ( " Password " ) ) . textFieldStyle ( . roundedBorder)
5283 Button ( action: login) {
53- HStack {
54- Text ( " Login " )
55- . color ( . white)
56- . frame ( width: UIScreen . main. bounds. width - 80 , height: 45 )
57- }
58- } . background ( Color . blue)
84+ signInBtnText
85+ } . background ( Color . blue)
86+ Button ( action: signUp) {
87+ signUpBtnText
5988 }
89+ }
6090 . padding ( ) . cornerRadius ( 16 )
6191 . background ( Color . gray. opacity ( 0.05 ) )
6292 . frame ( height: 80 , alignment: . center)
@@ -68,93 +98,109 @@ struct SignInView : View {
6898 Text ( " \( self . availableUsers [ 0ドル] ) " )
6999 }
70100 }
71- } . listStyle ( . grouped)
72- . frame ( height: 160 , alignment: . top)
73- } . padding ( 25 )
101+ } . listStyle ( . grouped)
102+ . frame ( height: 160 , alignment: . top)
103+ } . padding ( 25 )
104+ }
105+ 106+ 107+ 108+ 109+ var HomeView : some View {
110+ VStack {
111+ Text ( " Status: You are signed in! " ) . color ( . green)
112+ Spacer ( )
113+ Button ( action: logout) {
114+ Text ( " Logout " )
115+ } . foregroundColor ( . purple) . padding ( 7 )
116+ } . padding ( 25 )
74117 }
75118
76119 func doCredentialsMatch( ) -> Bool {
77120 // check if typed credentials match stored credentials
78121
79- let dbEncryptedUsername = UserDefaults . standard. string ( forKey: " encryptedUsername " ) ?? " "
80- let dbEncryptedPassword = UserDefaults . standard. string ( forKey: " encryptedPassword " ) ?? " "
122+ let storedEncryptedPassword = UserDefaults . standard. string ( forKey: " encryptedPassword " ) ?? " "
81123
82124 do {
83- let decryptedUsername = try . decrypt ( key: key, iv: iv)
84- let decryptedPassword = try . decrypt ( key: key, iv: iv)
85- print ( " Successfully decrypted username and password. " )
86- return ( typedUsername == decryptedUsername && typedPassword == decryptedPassword)
125+ let decryptedPassword = try . decrypt ( key: key, iv: iv)
126+ print ( " Successfully decrypted password. " )
127+ return ( typedPassword == decryptedPassword)
87128 } catch {
88- print ( " Could not decrypt username and password. " )
129+ print ( " Could not decrypt password. " )
89130 return false
90131 }
91132 }
92133
134+ func dismissAlert( ) {
135+ showUsernameAlert = false
136+ }
137+ 138+ func encryptData( ) {
139+ //show loading
140+ 141+ // let users = UserDefaults.standard.dictionary(forKey: "users") ?? [:]
142+ // availableUsers = users.keys.map({ String(0ドル) })
143+ 144+ // encrypt data, store in NS defaults
145+ do {
146+ let encryptedPassword = try . encrypt ( key: key, iv: iv)
147+ UserDefaults . standard. set ( typedPassword, forKey: " username " )
148+ UserDefaults . standard. set ( encryptedPassword, forKey: " encryptedPassword " )
149+ print ( " Successfully encrypted username and password. " )
150+ } catch {
151+ print ( " Could not encrypt username and password. " )
152+ // self.loadingView.isHidden = true
153+ // isLoggedIn = false
154+ }
155+ 156+ DispatchQueue . main. asyncAfter ( deadline: . now( ) + 2.5 , execute: {
157+ // if doCredentialsMatch:
158+ // dismiss loading
159+ // isLoggedIn = true
160+ } )
161+ }
162+ 93163 func login( ) {
164+ isLoggedIn = true
165+ 94166 if typedUsername. isEmpty {
95- Alert ( title : Text ( " Please enter a username " ) )
167+ showUsernameAlert = true
96168 } else if typedPassword. isEmpty {
97169 Alert ( title: Text ( " Please enter a password " ) )
98170 } else {
99- // encrypt data, store in NS defaults and log in
100- 101- //show loading
102- do {
103- let encryptedUsername = try . encrypt ( key: key, iv: iv)
104- let encryptedPassword = try . encrypt ( key: key, iv: iv)
105- UserDefaults . standard. set ( encryptedUsername, forKey: " encryptedUsername " )
106- UserDefaults . standard. set ( encryptedPassword, forKey: " encryptedPassword " )
107- print ( " Successfully encrypted username and password. " )
108- } catch {
109- print ( " Could not encrypt username and password. " )
110- 111- // print("Could not decrypt username and password.")
112- // self.loadingView.isHidden = true
113- // isLoggedIn = false
114- }
115- 116- DispatchQueue . main. asyncAfter ( deadline: . now( ) + 2.5 , execute: {
117- // if doCredentialsMatch:
118- // dismiss loading
119- // isLoggedIn = true
120- } )
171+ encryptData ( )
121172 }
122173 }
123- }
124- 125- struct SignUpView : View {
126174
127- var body : some View {
128- VStack {
129- Text ( " Status: You do not have any accounts " ) . color ( . blue)
130- Spacer ( )
131- Text ( " Create an account " )
175+ func signUp( ) {
176+ if typedUsername. isEmpty {
177+ Alert ( title: Text ( " Please enter a username " ) )
178+ } else if typedPassword. isEmpty {
179+ Alert ( title: Text ( " Please enter a password " ) )
180+ } else {
181+ encryptData ( )
132182 }
133183 }
134- }
135- 136- struct LoggedInView : View {
137184
138- var body : some View {
139- VStack {
140- Text ( " Status: You are signed in! " ) . color ( . green)
141- Spacer ( )
142- Button ( action: logout) {
143- Text ( " Logout " )
144- } . foregroundColor ( . purple) . padding ( 7 )
145- } . padding ( 25 )
185+ func logout( ) {
186+ isLoggedIn = false // log user out
146187 }
188+ }
189+ 190+ struct User : Equatable , Hashable , Codable , Identifiable {
191+ let id : UUID
192+ var name : String
147193
148- func logout( ) {
149- // log user out
194+ init ( name: String ) {
195+ self . id = UUID ( )
196+ self . name = name
150197 }
151198}
152199
153200#if DEBUG
154201struct ContentView_Previews : PreviewProvider {
155202 static var previews : some View {
156- SignInView ( )
157- // LoggedInView()
203+ ContentView ( )
158204 }
159205}
160206#endif
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