/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/

#import "RCTNavigatorManager.h"

#import "RCTBridge.h"
#import "RCTConvert.h"
#import "RCTNavigator.h"
#import "RCTUIManager.h"
#import "RCTUIManagerObserverCoordinator.h"
#import "UIView+React.h"

@interface RCTNavigatorManager () <RCTUIManagerObserver>

@end

@implementation RCTNavigatorManager
{
// The main thread only.
NSHashTable<RCTNavigator *> *_viewRegistry;
}

- (void)setBridge:(RCTBridge *)bridge
{
[super setBridge:bridge];

[self.bridge.uiManager.observerCoordinator addObserver:self];
}

- (void)invalidate
{
[self.bridge.uiManager.observerCoordinator removeObserver:self];
}

RCT_EXPORT_MODULE()

- (UIView *)view
{
if (!_viewRegistry) {
_viewRegistry = [NSHashTable hashTableWithOptions:NSPointerFunctionsWeakMemory];
}

RCTNavigator *view = [[RCTNavigator alloc] initWithBridge:self.bridge];
[_viewRegistry addObject:view];
return view;
}

RCT_EXPORT_VIEW_PROPERTY(requestedTopOfStack, NSInteger)
RCT_EXPORT_VIEW_PROPERTY(onNavigationProgress, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onNavigationComplete, RCTBubblingEventBlock)
RCT_EXPORT_VIEW_PROPERTY(interactivePopGestureEnabled, BOOL)

RCT_EXPORT_METHOD(requestSchedulingJavaScriptNavigation:(nonnull NSNumber *)reactTag
callback:(RCTResponseSenderBlock)callback)
{
[self.bridge.uiManager addUIBlock:
^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTNavigator *> *viewRegistry){
RCTNavigator *navigator = viewRegistry[reactTag];
if ([navigator isKindOfClass:[RCTNavigator class]]) {
BOOL wasAcquired = [navigator requestSchedulingJavaScriptNavigation];
callback(@[@(wasAcquired)]);
} else {
RCTLogError(@"Cannot set lock: %@ (tag #%@) is not an RCTNavigator", navigator, reactTag);
}
}];
}

#pragma mark - RCTUIManagerObserver

- (void)uiManagerDidPerformMounting:(__unused RCTUIManager *)manager
{
RCTExecuteOnMainQueue(^{
for (RCTNavigator *view in self->_viewRegistry) {
[view uiManagerDidPerformMounting];
}
});
}

@end