#import "RNNBridgeManager.h"

#import "RNNBridgeModule.h"
#import "RNNComponentViewCreator.h"
#import "RNNBridgeEventEmitter.h"
#import "RNNLayoutManager.h"
#import "RNNModalHostViewManagerHandler.h"
#import "RNNReactComponentRegistry.h"
#import "RNNReactRootViewCreator.h"
#import <React/RCTBridge.h>
#import <React/RCTUIManager.h>

@interface RNNBridgeManager ()

@property(nonatomic, strong, readwrite) RCTBridge *bridge;
@property(nonatomic, strong, readwrite) RNNExternalComponentStore *store;
@property(nonatomic, strong, readwrite) RNNReactComponentRegistry *componentRegistry;
@property(nonatomic, strong, readonly) RNNLayoutManager *layoutManager;
@property(nonatomic, strong, readonly) RNNOverlayManager *overlayManager;
@property(nonatomic, strong, readonly) RNNModalManager *modalManager;
@property(nonatomic, strong, readonly) RNNModalHostViewManagerHandler *modalHostViewHandler;

@end

@implementation RNNBridgeManager {
	RCTBridge *_bridge;
	UIWindow *_mainWindow;

	RNNExternalComponentStore *_store;

	RNNCommandsHandler *_commandsHandler;
}

- (instancetype)initWithBridge:(RCTBridge *)bridge mainWindow:(UIWindow *)mainWindow {
	if (self = [super init]) {
		_bridge = bridge;
		_mainWindow = mainWindow;

		_overlayManager = [RNNOverlayManager new];

		_store = [RNNExternalComponentStore new];

		[[NSNotificationCenter defaultCenter] addObserver:self
												 selector:@selector(onJavaScriptLoaded)
													 name:RCTJavaScriptDidLoadNotification
												   object:nil];
		[[NSNotificationCenter defaultCenter] addObserver:self
												 selector:@selector(onJavaScriptWillLoad)
													 name:RCTJavaScriptWillStartLoadingNotification
												   object:nil];
		[[NSNotificationCenter defaultCenter] addObserver:self
												 selector:@selector(onBridgeWillReload)
													 name:RCTBridgeWillReloadNotification
												   object:nil];
	}
	return self;
}

- (void)registerExternalComponent:(NSString *)name callback:(RNNExternalViewCreator)callback {
	[_store registerExternalComponent:name callback:callback];
}

- (NSArray<id<RCTBridgeModule>> *)extraModulesForBridge:(RCTBridge *)bridge {
	RNNEventEmitter * eventEmitter = [[RNNBridgeEventEmitter alloc] init];
	
	RNNModalManagerEventHandler *modalManagerEventHandler =
		[[RNNModalManagerEventHandler alloc] initWithEventEmitter:eventEmitter];
	_modalManager = [[RNNModalManager alloc] initWithBridge:bridge
											   eventHandler:modalManagerEventHandler];
	_modalHostViewHandler =
		[[RNNModalHostViewManagerHandler alloc] initWithModalManager:_modalManager];
	_layoutManager = [[RNNLayoutManager alloc] init];

	id<RNNComponentViewCreator> rootViewCreator =
		[[RNNReactRootViewCreator alloc] initWithBridge:bridge eventEmitter:eventEmitter];
	_componentRegistry = [[RNNReactComponentRegistry alloc] initWithCreator:rootViewCreator];
	RNNViewControllerFactory *controllerFactory =
		[[RNNViewControllerFactory alloc] initWithRootViewCreator:rootViewCreator
												 eventEmitter:eventEmitter
														store:_store
											componentRegistry:_componentRegistry
													andBridge:bridge
								  bottomTabsAttachModeFactory:[BottomTabsAttachModeFactory new]];
	RNNSetRootAnimator *setRootAnimator = [RNNSetRootAnimator new];
	_commandsHandler = [[RNNCommandsHandler alloc] initWithViewControllerFactory:controllerFactory
																   layoutManager:_layoutManager
																	eventEmitter:eventEmitter
																	modalManager:_modalManager
																  overlayManager:_overlayManager
																 setRootAnimator:setRootAnimator
																	  mainWindow:_mainWindow];
	RNNBridgeModule *bridgeModule =
		[[RNNBridgeModule alloc] initWithCommandsHandler:_commandsHandler];

	return @[ bridgeModule, eventEmitter ];
}

- (UIViewController *)findComponentForId:(NSString *)componentId {
	return [_layoutManager findComponentForId:componentId];
}

#pragma mark - JavaScript & Bridge Notifications

- (void)onJavaScriptWillLoad {
	[_componentRegistry clear];
}

- (void)onJavaScriptLoaded {
	[_commandsHandler setReadyToReceiveCommands:true];
	[_modalHostViewHandler
		connectModalHostViewManager:[self.bridge moduleForClass:RCTModalHostViewManager.class]];
	[[_bridge moduleForClass:[RNNBridgeEventEmitter class]] sendOnAppLaunched];
}

- (void)onBridgeWillReload {
	dispatch_async(dispatch_get_main_queue(), ^{
	  [self->_overlayManager dismissAllOverlays];
	  [self->_componentRegistry clear];
	  UIApplication.sharedApplication.delegate.window.rootViewController = nil;
	});
}

@end