From b5d5e85ee2b2e77d13b922246ea47b7baaa3576d Mon Sep 17 00:00:00 2001
From: gdlbo <41114720+gdlbo@users.noreply.github.com>
Date: Thu, 28 Apr 2022 18:29:31 +0300
Subject: [PATCH] Reset/Save prefs system init

---
 .../ru/vtosters/lite/utils/SettBackup.java    | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 app/src/main/java/ru/vtosters/lite/utils/SettBackup.java

diff --git a/app/src/main/java/ru/vtosters/lite/utils/SettBackup.java b/app/src/main/java/ru/vtosters/lite/utils/SettBackup.java
new file mode 100644
index 000000000..204b0725d
--- /dev/null
+++ b/app/src/main/java/ru/vtosters/lite/utils/SettBackup.java
@@ -0,0 +1,60 @@
+package ru.vtosters.lite.utils;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Environment;
+import android.util.Base64;
+import android.widget.Toast;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Map;
+
+public class SettBackup {
+    static SharedPreferences prefs = Helper.GetContext().getSharedPreferences("com.vtosters.lite_preferences", Context.MODE_PRIVATE);
+
+    public static void deletePrefs() {
+        prefs.edit().clear().commit();
+        File file = new File(new File(Helper.GetContext().getFilesDir().getParent(), "shared_prefs"), "com.vtosters.lite_preferences");
+        if (file.exists()) file.delete();
+    }
+
+    public static void backupSettings() {
+        SimpleDateFormat date = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault());
+        String currentDateandTime = date.format(new Date());
+        var file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + "/VTLBackup_" + currentDateandTime + ".txt");
+        try {
+            var exists = file.createNewFile();
+
+            if (!exists) {
+                file.delete();
+                file.createNewFile();
+            }
+            try {
+                FileWriter out = new FileWriter(file);
+                out.write(getAllPrefs());
+                out.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+                Toast.makeText(Helper.GetContext(), "Не удалось сохранить файл", Toast.LENGTH_SHORT).show();
+            }
+            
+        } catch (Exception e) {
+            e.printStackTrace();
+            Toast.makeText(Helper.GetContext(), "Не удалось сохранить файл", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    public static String getAllPrefs() {
+        Map<String, ?> allPrefs = prefs.getAll();
+        for (Map.Entry<String, ?> entry : allPrefs.entrySet()) {
+            Helper.SendToast(entry.getKey() + ": " + entry.getValue().toString());
+        }
+        return Base64.encodeToString(allPrefs.toString().getBytes(), 1);
+    }
+}