#import "RNNControllerFactory.h"

#import "RNN.h"
#import "RCTRootView.h"

@implementation RNNControllerFactory

-(UIViewController *)createRootViewController:(NSDictionary *)layout
{
	return [self fromTree:layout];
}

-(UIViewController*)fromTree:(NSDictionary*)node
{
	NSString* nodeType = node[@"type"];
	
	NSString* nodeId = node[@"id"];
	NSArray* children = node[@"children"];
	NSDictionary* data = node[@"data"];
	
	if ([nodeType isEqualToString:@"Container"])
	{
		return [self createContainer:nodeId data:data];
	} else if([nodeType isEqualToString:@"ContainerStack"])
	{
		return [self createContainerStack:nodeId data:data children:children];
	}
	
	@throw @"unknown container type";
}

-(UIViewController*)createContainer:(NSString*)containerId data:(NSDictionary*)data
{
	NSString* containerName = data[@"name"];
	
	RCTRootView *reactView = [[RCTRootView alloc] initWithBridge:RNN.instance.bridge
													  moduleName:containerName
											   initialProperties:@{@"containerId": containerId}];
	
	UIViewController* controller = [UIViewController new];
	controller.view = reactView;
	return controller;
}

-(UINavigationController*)createContainerStack:(NSString*)containerId data:(NSDictionary*)data children:(NSArray*)children
{
	UINavigationController* vc = [[UINavigationController alloc] init];
	
	NSMutableArray* controllers = [NSMutableArray new];
	for (NSDictionary* node in children) {
		[controllers addObject:[self fromTree:node]];
	}
	[vc setViewControllers:controllers];
	
	return vc;
}

@end