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Assets/Convai/Scripts/Runtime/UI/SettingsPanel/UISaveLoadSystem.cs

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+using System;
+using Convai.Scripts.Utils;
+using UnityEngine;
+
+/// <summary>
+///     The UISaveLoadSystem class manages the storage and retrieval of persistent data using PlayerPrefs.
+///     It also ensures that there is only one instance of the class.
+/// </summary>
+[DefaultExecutionOrder(-110)]
+public class UISaveLoadSystem : MonoBehaviour
+{
+    private const string SELECTED_MICROPHONE_DEVICE_NUMBER = "SelectedMicrophoneDeviceNumber";
+    private const string PLAYER_NAME = "PlayerName";
+    private const string UI_TYPE = "UIType";
+    private const string NOTIFICATION_SYSTEM_ACTIVE_STATUS = "NotificationSystemActiveStatus";
+
+    /// <summary>
+    ///     Stores the UI type.
+    /// </summary>
+    [HideInInspector] public ConvaiChatUIHandler.UIType UIType;
+
+    /// <summary>
+    ///     Events triggered during load and save operations
+    /// </summary>
+    public Action OnLoad; // Event triggered after loading values from PlayerPrefs.
+
+    public Action OnSave; // Event triggered before saving values to PlayerPrefs.
+
+    /// <summary>
+    ///     Singleton instance of the UISaveLoadSystem
+    /// </summary>
+    public static UISaveLoadSystem Instance { get; private set; }
+
+    /// <summary>
+    ///     Stores the selected microphone device number.
+    /// </summary>
+    public int SelectedMicrophoneDeviceNumber { get; set; }
+
+    /// <summary>
+    ///     Stores the player's name.
+    /// </summary>
+    public string PlayerName { get; set; }
+
+    /// <summary>
+    ///     Stores the status of the notification system.
+    /// </summary>
+    public bool NotificationSystemActiveStatus { get; set; }
+
+    /// <summary>
+    ///     Ensure there is only one instance of UISaveLoadSystem
+    /// </summary>
+    private void Awake()
+    {
+        if (Instance != null)
+        {
+            // Log a warning and destroy the duplicate instance
+            Debug.Log("<color=red> There's More Than One UISaveLoadSystem </color> " + transform + " - " + Instance);
+            Destroy(gameObject);
+            return;
+        }
+
+        // Set the singleton instance
+        Instance = this;
+    }
+
+    /// <summary>
+    ///     Start is called before the first frame update
+    /// </summary>
+    private void Start()
+    {
+        // Load values from PlayerPrefs at the start of the application
+        LoadValues();
+    }
+
+    /// <summary>
+    ///     Called when the script instance is being destroyed
+    /// </summary>
+    private void OnDestroy()
+    {
+        // Save values to PlayerPrefs when the script is destroyed (e.g., when the scene changes)
+        SaveValues();
+    }
+
+    /// <summary>
+    ///     Load values from PlayerPrefs
+    /// </summary>
+    private void LoadValues()
+    {
+        // Retrieve selected microphone device number from PlayerPrefs, use 0 as default if not found
+        SelectedMicrophoneDeviceNumber = PlayerPrefs.GetInt(SELECTED_MICROPHONE_DEVICE_NUMBER, 0);
+
+        // Retrieve player name from PlayerPrefs, default to "Player" if not found
+        PlayerName = PlayerPrefs.GetString(PLAYER_NAME, "Player");
+
+        // Retrieve UI type from PlayerPrefs, use 0 as default if not found
+        UIType = (ConvaiChatUIHandler.UIType)PlayerPrefs.GetInt(UI_TYPE, 0);
+
+        // Retrieve notification system status from PlayerPrefs, default to true if not found
+        NotificationSystemActiveStatus = PlayerPrefs.GetInt(NOTIFICATION_SYSTEM_ACTIVE_STATUS, 1) == 1;
+
+        // Invoke the OnLoad event to notify listeners that loading has completed
+        OnLoad?.Invoke();
+    }
+
+    /// <summary>
+    ///     Save values to PlayerPrefs
+    /// </summary>
+    public void SaveValues()
+    {
+        // Invoke the OnSave event to notify listeners that saving is about to occur
+        OnSave?.Invoke();
+
+        // Save selected microphone device number to PlayerPrefs
+        PlayerPrefs.SetInt(SELECTED_MICROPHONE_DEVICE_NUMBER, SelectedMicrophoneDeviceNumber);
+
+        // Save player name to PlayerPrefs
+        PlayerPrefs.SetString(PLAYER_NAME, PlayerName);
+
+        // Save UI type to PlayerPrefs as an integer representation
+        PlayerPrefs.SetInt(UI_TYPE, (int)UIType);
+
+        // Save notification system status to PlayerPrefs as 1 or 0 (true or false)
+        PlayerPrefs.SetInt(NOTIFICATION_SYSTEM_ACTIVE_STATUS, NotificationSystemActiveStatus ? 1 : 0);
+    }
+}