From de77074c50b93803f817f60c98d616e9e502160a Mon Sep 17 00:00:00 2001
From: Pavel Baksy <beval@noreply.bugsy.cz>
Date: Thu, 8 Feb 2024 23:37:45 +0100
Subject: [PATCH] Add selector for password length and remove selector for
 multiple passwords.

---
 .../cz/bugsy/passwordzebra/MainActivity.kt    | 23 +++++++++++++++----
 app/src/main/res/layout/activity_main.xml     |  8 -------
 2 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/app/src/main/java/cz/bugsy/passwordzebra/MainActivity.kt b/app/src/main/java/cz/bugsy/passwordzebra/MainActivity.kt
index 43c071f..f8f0d23 100644
--- a/app/src/main/java/cz/bugsy/passwordzebra/MainActivity.kt
+++ b/app/src/main/java/cz/bugsy/passwordzebra/MainActivity.kt
@@ -29,7 +29,13 @@ class MainActivity : AppCompatActivity() {
         generateButton = findViewById(R.id.generateButton)
         switchWithoutSpaces = findViewById(R.id.switchWithoutSpaces)
         switchSpecialChars = findViewById(R.id.switchSpecialChars)
+        passwordLengthPicker = findViewById(R.id.passwordLengthPicker)
 
+        // Set the range of selectable values for password length (1 to 10)
+        val defaultPasswordLength = 4
+        passwordLengthPicker.minValue = 1
+        passwordLengthPicker.maxValue = 10
+        passwordLengthPicker.value = defaultPasswordLength
 
         generateButton.setOnClickListener {
             generatePassword()
@@ -45,8 +51,8 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun generatePassword() {
-
-        val password = generateRandomWords(6)
+        val passwordLength = passwordLengthPicker.value
+        val password = generateRandomWords(passwordLength)
 
         passwordTextView.text = password
     }
@@ -108,13 +114,22 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun addSpecialCharacters(password: String): String {
-        // Add special characters like $, comma, dot, etc.
+        // Insert special character, uppercase character, and digit at random positions within the password
         val specialChars = listOf('$', ',', '.', '#', '@', '!', '%', '&')
         val random = Random.Default
 
         val index = random.nextInt(0, password.length + 1)
         val specialChar = specialChars[random.nextInt(specialChars.size)]
 
-        return password.substring(0, index) + specialChar + password.substring(index)
+        val uppercaseChar = ('A'..'Z').random() // Generate random uppercase character
+        val digit = random.nextInt(0, 10) // Generate random digit (number)
+
+        val newPassword = StringBuilder(password)
+        newPassword.insert(index, specialChar)
+        newPassword.insert(random.nextInt(0, newPassword.length + 1), uppercaseChar)
+        newPassword.insert(random.nextInt(0, newPassword.length + 1), digit.toString())
+
+        //return password.substring(0, index) + specialChar + password.substring(index)
+        return newPassword.toString()
     }
 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 71dcabf..ae06196 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -48,14 +48,6 @@
         android:layout_centerHorizontal="true"
         android:layout_marginTop="32dp"/>
 
-    <NumberPicker
-        android:id="@+id/numPasswordsPicker"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/passwordLengthPicker"
-        android:layout_centerHorizontal="true"
-        android:layout_marginTop="16dp"/>
-
     <com.google.android.material.switchmaterial.SwitchMaterial
         android:id="@+id/switchWithoutSpaces"
         android:layout_width="wrap_content"