/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#import "RCTBaseTextInputViewManager.h"

#import <React/RCTAccessibilityManager.h>
#import <React/RCTBridge.h>
#import <React/RCTConvert.h>
#import <React/RCTFont.h>
#import <React/RCTShadowView+Layout.h>
#import <React/RCTShadowView.h>
#import <React/RCTUIManager.h>
#import <React/RCTUIManagerUtils.h>
#import <React/RCTUIManagerObserverCoordinator.h>

#import "RCTBaseTextInputShadowView.h"
#import "RCTBaseTextInputView.h"
#import "RCTConvert+Text.h"

@interface RCTBaseTextInputViewManager () <RCTUIManagerObserver>

@end

@implementation RCTBaseTextInputViewManager
{
  NSHashTable<RCTBaseTextInputShadowView *> *_shadowViews;
}

RCT_EXPORT_MODULE()

#pragma mark - Unified <TextInput> properties

RCT_REMAP_VIEW_PROPERTY(autoCapitalize, backedTextInputView.autocapitalizationType, UITextAutocapitalizationType)
RCT_REMAP_VIEW_PROPERTY(autoCorrect, backedTextInputView.autocorrectionType, UITextAutocorrectionType)
RCT_REMAP_VIEW_PROPERTY(contextMenuHidden, backedTextInputView.contextMenuHidden, BOOL)
RCT_REMAP_VIEW_PROPERTY(editable, backedTextInputView.editable, BOOL)
RCT_REMAP_VIEW_PROPERTY(enablesReturnKeyAutomatically, backedTextInputView.enablesReturnKeyAutomatically, BOOL)
RCT_REMAP_VIEW_PROPERTY(keyboardAppearance, backedTextInputView.keyboardAppearance, UIKeyboardAppearance)
RCT_REMAP_VIEW_PROPERTY(keyboardType, backedTextInputView.keyboardType, UIKeyboardType)
RCT_REMAP_VIEW_PROPERTY(placeholder, backedTextInputView.placeholder, NSString)
RCT_REMAP_VIEW_PROPERTY(placeholderTextColor, backedTextInputView.placeholderColor, UIColor)
RCT_REMAP_VIEW_PROPERTY(returnKeyType, backedTextInputView.returnKeyType, UIReturnKeyType)
RCT_REMAP_VIEW_PROPERTY(secureTextEntry, backedTextInputView.secureTextEntry, BOOL)
RCT_REMAP_VIEW_PROPERTY(selectionColor, backedTextInputView.tintColor, UIColor)
RCT_REMAP_VIEW_PROPERTY(spellCheck, backedTextInputView.spellCheckingType, UITextSpellCheckingType)
RCT_REMAP_VIEW_PROPERTY(caretHidden, backedTextInputView.caretHidden, BOOL)
RCT_REMAP_VIEW_PROPERTY(clearButtonMode, backedTextInputView.clearButtonMode, UITextFieldViewMode)
RCT_EXPORT_VIEW_PROPERTY(blurOnSubmit, BOOL)
RCT_EXPORT_VIEW_PROPERTY(clearTextOnFocus, BOOL)
RCT_EXPORT_VIEW_PROPERTY(maxLength, NSNumber)
RCT_EXPORT_VIEW_PROPERTY(selectTextOnFocus, BOOL)
RCT_EXPORT_VIEW_PROPERTY(selection, RCTTextSelection)
RCT_EXPORT_VIEW_PROPERTY(inputAccessoryViewID, NSString)

RCT_EXPORT_VIEW_PROPERTY(onChange, RCTBubblingEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onSelectionChange, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onTextInput, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onScroll, RCTDirectEventBlock)

RCT_EXPORT_VIEW_PROPERTY(mostRecentEventCount, NSInteger)

RCT_EXPORT_SHADOW_PROPERTY(text, NSString)
RCT_EXPORT_SHADOW_PROPERTY(placeholder, NSString)
RCT_EXPORT_SHADOW_PROPERTY(onContentSizeChange, RCTBubblingEventBlock)


- (RCTShadowView *)shadowView
{
  RCTBaseTextInputShadowView *shadowView = [[RCTBaseTextInputShadowView alloc] initWithBridge:self.bridge];
  shadowView.textAttributes.fontSizeMultiplier = self.bridge.accessibilityManager.multiplier;
  [_shadowViews addObject:shadowView];
  return shadowView;
}

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

  _shadowViews = [NSHashTable weakObjectsHashTable];

  [bridge.uiManager.observerCoordinator addObserver:self];

  [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(handleDidUpdateMultiplierNotification)
                                               name:RCTAccessibilityManagerDidUpdateMultiplierNotification
                                             object:bridge.accessibilityManager];
}

- (void)dealloc
{
  [[NSNotificationCenter defaultCenter] removeObserver:self];
}

#pragma mark - RCTUIManagerObserver

- (void)uiManagerWillPerformMounting:(__unused RCTUIManager *)uiManager
{
  for (RCTBaseTextInputShadowView *shadowView in _shadowViews) {
    [shadowView uiManagerWillPerformMounting];
  }
}

#pragma mark - Font Size Multiplier

- (void)handleDidUpdateMultiplierNotification
{
  CGFloat fontSizeMultiplier = self.bridge.accessibilityManager.multiplier;

  NSHashTable<RCTBaseTextInputShadowView *> *shadowViews = _shadowViews;
  RCTExecuteOnUIManagerQueue(^{
    for (RCTBaseTextInputShadowView *shadowView in shadowViews) {
      shadowView.textAttributes.fontSizeMultiplier = fontSizeMultiplier;
      [shadowView dirtyLayout];
    }

    [self.bridge.uiManager setNeedsLayout];
  });
}

@end