Fix bottomTab merging options with default (#5885)

When updating bottomTab options with mergeOptions - default options were not taken into account and therefore were not applied to the newly created tabBarItem

lib/ios/Color.h

 
 @interface Color : Param
 
++ (instancetype)withColor:(UIColor *)value;
+
 - (instancetype)initWithValue:(UIColor *)value;
 
 - (UIColor *)get;

lib/ios/Color.m

 
 @implementation Color
 
++ (instancetype)withColor:(UIColor *)value {
+    return [[Color alloc] initWithValue:value];
+}
+
 - (instancetype)initWithValue:(UIColor *)value {
 	return [super initWithValue:value];
 }

lib/ios/RNNBasePresenter.m

 }
 
 - (void)mergeOptions:(RNNNavigationOptions *)options resolvedOptions:(RNNNavigationOptions *)resolvedOptions {
-    UIViewController *viewController = self.boundViewController;
-    if (options.bottomTab.badge.hasValue && [viewController.parentViewController isKindOfClass:[UITabBarController class]]) {
+    UIViewController* viewController = self.boundViewController;
+    RNNNavigationOptions* withDefault = (RNNNavigationOptions *) [[resolvedOptions withDefault:_defaultOptions] overrideOptions:options];
+    
+    if (options.bottomTab.badge.hasValue) {
         [viewController setTabBarItemBadge:options.bottomTab.badge.get];
     }
 
     }
 
     if (options.bottomTab.text.hasValue) {
-        RNNNavigationOptions *buttonsResolvedOptions = (RNNNavigationOptions *) [resolvedOptions overrideOptions:options];
-        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:buttonsResolvedOptions.bottomTab];
+        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:withDefault.bottomTab];
         viewController.tabBarItem = tabItem;
     }
 
     if (options.bottomTab.icon.hasValue) {
-        RNNNavigationOptions *buttonsResolvedOptions = (RNNNavigationOptions *) [resolvedOptions overrideOptions:options];
-        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:buttonsResolvedOptions.bottomTab];
+        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:withDefault.bottomTab];
         viewController.tabBarItem = tabItem;
     }
 
     if (options.bottomTab.selectedIcon.hasValue) {
-        RNNNavigationOptions *buttonsResolvedOptions = (RNNNavigationOptions *) [resolvedOptions overrideOptions:options];
-        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:buttonsResolvedOptions.bottomTab];
+        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:withDefault.bottomTab];
         viewController.tabBarItem = tabItem;
     }
 
     if (options.bottomTab.textColor.hasValue) {
-        RNNNavigationOptions *buttonsResolvedOptions = (RNNNavigationOptions *) [resolvedOptions overrideOptions:options];
-        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:buttonsResolvedOptions.bottomTab];
+        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:withDefault.bottomTab];
         viewController.tabBarItem = tabItem;
     }
 
     if (options.bottomTab.selectedTextColor.hasValue) {
-        RNNNavigationOptions *buttonsResolvedOptions = (RNNNavigationOptions *) [resolvedOptions overrideOptions:options];
-        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:buttonsResolvedOptions.bottomTab];
+        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:withDefault.bottomTab];
         viewController.tabBarItem = tabItem;
     }
 
     if (options.bottomTab.iconColor.hasValue) {
-        RNNNavigationOptions *buttonsResolvedOptions = (RNNNavigationOptions *) [resolvedOptions overrideOptions:options];
-        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:buttonsResolvedOptions.bottomTab];
+        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:withDefault.bottomTab];
         viewController.tabBarItem = tabItem;
     }
 
     if (options.bottomTab.selectedIconColor.hasValue) {
-        RNNNavigationOptions *buttonsResolvedOptions = (RNNNavigationOptions *) [resolvedOptions overrideOptions:options];
-        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:buttonsResolvedOptions.bottomTab];
+        UITabBarItem *tabItem = [RNNTabBarItemCreator updateTabBarItem:viewController.tabBarItem bottomTabOptions:withDefault.bottomTab];
         viewController.tabBarItem = tabItem;
     }
 }

playground/ios/NavigationTests/RNNBasePresenterTest.m

 	XCTAssertTrue(_boundViewController.modalInPresentation);
 }
 
-
+- (void)testMergeOptions_shouldSetTabBarItemColorWithDefaultOptions {
+	RNNNavigationOptions* defaultOptions = [[RNNNavigationOptions alloc] initEmptyOptions];
+	defaultOptions.bottomTab.selectedIconColor = [Color withColor:UIColor.greenColor];
+	self.uut.defaultOptions = defaultOptions;
+	
+	RNNNavigationOptions* mergeOptions = [[RNNNavigationOptions alloc] initEmptyOptions];
+	mergeOptions.bottomTab.text = [[Text alloc] initWithValue:@"title"];
+    OCMStub([self.mockBoundViewController parentViewController]).andReturn([UITabBarController new]);
+	
+    [self.uut mergeOptions:mergeOptions resolvedOptions:self.options];
+	XCTAssertEqual(self.uut.boundViewController.tabBarItem.title, @"title");
+}
 
 @end