add device info collector

src/ios/CDVBluememeUtils.m

@@ -5,6 +5,8 @@
 #import <NetworkExtension/NetworkExtension.h>
 #import <UIKit/UIKit.h>
 
+static NSString * const BluememeDeviceKeyDefaultsKey = @"bluememe_utils_device_key";
+
 @interface CDVBluememeUtils ()
 @property (nonatomic, copy) NSString *notificationCallbackId;
 @property (nonatomic, strong) NSDictionary *initialNotification;
@@ -36,6 +38,33 @@
     [self applyWifiCommand:command defaultJoinOnce:YES];
 }
 
+- (void)getDeviceInfo:(CDVInvokedUrlCommand *)command
+{
+    NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
+    NSString *bundleIdentifier = [self safeString:[[NSBundle mainBundle] bundleIdentifier]];
+    NSString *appVersion = [self safeString:[infoDictionary objectForKey:@"CFBundleShortVersionString"]];
+    NSString *buildNumber = [self safeString:[infoDictionary objectForKey:@"CFBundleVersion"]];
+    UIDevice *device = [UIDevice currentDevice];
+    NSLocale *locale = [NSLocale currentLocale];
+    NSString *localeIdentifier = [self safeString:[locale localeIdentifier]];
+    NSString *timeZone = [self safeString:[[NSTimeZone localTimeZone] name]];
+
+    NSDictionary *result = @{
+        @"deviceKey": [self getOrCreateDeviceKey],
+        @"platform": @"iOS",
+        @"appIdentifier": bundleIdentifier,
+        @"appVersion": appVersion,
+        @"buildNumber": buildNumber,
+        @"osVersion": [self safeString:device.systemVersion],
+        @"systemName": [self safeString:device.systemName],
+        @"deviceModel": [self safeString:device.model],
+        @"model": [self safeString:device.model],
+        @"locale": localeIdentifier,
+        @"timeZone": timeZone
+    };
+    [self sendSuccessForCommand:command dictionary:result];
+}
+
 - (void)removeWifi:(CDVInvokedUrlCommand *)command
 {
     NSDictionary *options = [self firstDictionaryArgument:command];
@@ -446,6 +475,20 @@ didReceiveNotificationResponse:(UNNotificationResponse *)response
     return @"";
 }
 
+- (NSString *)safeString:(id)value
+{
+    if ([value isKindOfClass:[NSString class]]) {
+        return value;
+    }
+    if ([value respondsToSelector:@selector(stringValue)]) {
+        return [value stringValue];
+    }
+    if ([value respondsToSelector:@selector(description)]) {
+        return [value description];
+    }
+    return @"";
+}
+
 - (BOOL)boolFromDictionary:(NSDictionary *)dictionary key:(NSString *)key defaultValue:(BOOL)defaultValue
 {
     id value = dictionary[key];
@@ -473,6 +516,20 @@ didReceiveNotificationResponse:(UNNotificationResponse *)response
     return @"";
 }
 
+- (NSString *)getOrCreateDeviceKey
+{
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSString *existing = [defaults stringForKey:BluememeDeviceKeyDefaultsKey];
+    if (existing.length > 0) {
+        return existing;
+    }
+
+    NSString *generated = [[NSUUID UUID] UUIDString];
+    [defaults setObject:generated forKey:BluememeDeviceKeyDefaultsKey];
+    [defaults synchronize];
+    return generated;
+}
+
 - (void)sendSuccessForCommand:(CDVInvokedUrlCommand *)command dictionary:(NSDictionary *)dictionary
 {
     CDVPluginResult *result = dictionary == nil