//
//  VipSubjectViewController.m
//  jiaPei
//
//  Created by 张嵘 on 2019/8/28.
//  Copyright © 2019 JCZ. All rights reserved.
//

#import "VipSubjectViewController.h"
#import "BtnCollectionViewCell.h"
#import "VipSubjectCollectionViewCell.h"

@interface VipSubjectViewController () 
@property (weak, nonatomic) IBOutlet UICollectionView *collectionView;

@end

@implementation VipSubjectViewController

static NSString * const reuseIdentifier = @"Cell";

#pragma mark - LifeCycle
- (void)viewDidLoad {
	[super viewDidLoad];
	[self initUI];
}

- (void)viewDidAppear:(BOOL)animated {
	[super viewDidAppear:animated];
	[self.collectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:self.index inSection:0] atScrollPosition:(UICollectionViewScrollPositionCenteredVertically) animated:NO];
}

#pragma mark - Private Functions
- (void)initUI {
	// Register cell classes
	[self.collectionView registerClass:[BtnCollectionViewCell class] forCellWithReuseIdentifier:@"btn"];
	[self.collectionView registerNib:[UINib nibWithNibName:@"VipSubjectCollectionViewCell" bundle:nil] forCellWithReuseIdentifier:@"VipSubjectCollectionViewCell"];
	[self.view addSubview:self.toolsBarView];
	@weakify(self)
	[self.toolsBarView.listBtn setTapActionWithBlock:^(UIGestureRecognizer *gestureRecoginzer) {
		@strongify(self)
		[self dismissViewControllerAnimated:YES completion:^{
			if (self.dissmissCompletionType) {
				self.dissmissCompletionType(YES);
			}
		}];
	}];
	
	[[RACObserve(self, index) distinctUntilChanged] subscribeNext:^(id  _Nullable x) {
		[self.collectionView reloadData];
	}];
}

- (void)initDissmissCompletionType:(DissmissCompletionType)dissmissCompletionType {
	self.dissmissCompletionType = dissmissCompletionType;
}

#pragma mark - <UICollectionViewDataSource>

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
	return 1;
}


- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
	return self.questionArr.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
	VipSubjectCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"VipSubjectCollectionViewCell" forIndexPath:indexPath];
	[cell.subjectBtn setTitle:[NSString stringWithFormat:@"%d",(int)indexPath.row + 1]  textColor:contentTextColor font:14 fotState:UIControlStateNormal];
	QuesTionItem *quesTionItem = self.questionArr[indexPath.row];
	quesTionItem.isCurrent = indexPath.row == self.index;
	cell.quesTionItem = quesTionItem;
	return cell;
}

#pragma mark <UICollectionViewDelegate>

/*
 // Uncomment this method to specify if the specified item should be highlighted during tracking
 - (BOOL)collectionView:(UICollectionView *)collectionView shouldHighlightItemAtIndexPath:(NSIndexPath *)indexPath {
 return YES;
 }
 */

/*
 // Uncomment this method to specify if the specified item should be selected
 - (BOOL)collectionView:(UICollectionView *)collectionView shouldSelectItemAtIndexPath:(NSIndexPath *)indexPath {
 return YES;
 }
 */

/*
 // Uncomment these methods to specify if an action menu should be displayed for the specified item, and react to actions performed on the item
 - (BOOL)collectionView:(UICollectionView *)collectionView shouldShowMenuForItemAtIndexPath:(NSIndexPath *)indexPath {
 return NO;
 }
 
 - (BOOL)collectionView:(UICollectionView *)collectionView canPerformAction:(SEL)action forItemAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
 return NO;
 }
 
 - (void)collectionView:(UICollectionView *)collectionView performAction:(SEL)action forItemAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
 
 }
 */

#pragma mark - HWPanModalPresentable
- (UIScrollView *)panScrollable {
	return self.collectionView;
}

- (PanModalHeight)longFormHeight {
	return PanModalHeightMake(PanModalHeightTypeMaxTopInset, 144);
}

- (CGFloat)cornerRadius {
	return 0.0;
}

- (BOOL)allowsTapBackgroundToDismiss {
	return NO;
}

- (BOOL)showDragIndicator {
	return NO;
}

#pragma mark - LazyLoad
- (ToolsBarView *)toolsBarView {
	if (!_toolsBarView) {
		_toolsBarView = [[ToolsBarView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, 44)];
		[RACObserve(self, index) subscribeNext:^(id  _Nullable x) {
			[_toolsBarView.listBtn setTitleNormal:[NSString stringWithFormat:@"%ld/%lu",[x integerValue] + 1,(unsigned long)self.questionArr.count]];
		}];
	}
	return _toolsBarView;
}

@end