//
//  YOUPAIRightCollectionView.m
//  MSYOUPAI
//
//  Created by xiaohaoran on 2022/3/1.
//  Copyright © 2022 MS. All rights reserved.
//

#import "YOUPAIRightCollectionView.h"
#import "YOUPAIRightCollectionContentCell.h"
#import "UIImage+Extension.h"
@interface YOUPAIRightCollectionView ()<UICollectionViewDelegate, UICollectionViewDelegateFlowLayout, UICollectionViewDataSource>
@property (nonatomic, strong) UICollectionView *youpaipcollectionView;
@property (assign, nonatomic) NSIndexPath  *selIndex;   //单选选中的行
@property(nonatomic,assign)BOOL isBigImage;//大图是否滚动

@end


@implementation YOUPAIRightCollectionView

-(instancetype)initWithFrame:(CGRect)frame{
    
    if (self = [super initWithFrame:frame]) {
        [self youpaifsetSubView];
    }
    return self;
}
-(void)youpaifsetSubView{
    

    UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];
    flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
    self.youpaipcollectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:flowLayout];
    [self addSubview:self.youpaipcollectionView];
    [self.youpaipcollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.mas_equalTo(0);
    }];
    
//    self.youpaipcollectionView.userInteractionEnabled = NO;
    self.youpaipcollectionView.backgroundColor = [UIColor clearColor];
    self.youpaipcollectionView.showsVerticalScrollIndicator = NO;
    self.youpaipcollectionView.showsHorizontalScrollIndicator = NO;
//    self.youpaipcollectionView.bounces = NO;
    
    [self.youpaipcollectionView registerClass:[YOUPAIRightCollectionContentCell class] forCellWithReuseIdentifier:NSStringFromClass([YOUPAIRightCollectionContentCell class])];
    
    self.youpaipcollectionView.delegate = self;
    self.youpaipcollectionView.dataSource = self;
   

}
#pragma mark <UICollectionViewDataSource>

/**
 返回区数
 
 @param collectionView 集合视图
 @return 返回区数
 */
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}


/**
 返回项目数
 
 @param collectionView 集合视图
 @param section 区
 @return 项目数
 */
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    
    
    return self.Model.youpaipalbums.count;
}

-(UICollectionViewCell*)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
//    NSString *imageUrl = self.albumArray[indexPath.item];
    YOUPAIRightCollectionContentCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([YOUPAIRightCollectionContentCell class]) forIndexPath:indexPath];
    YOUPAIAlbumModel *model = self.Model.youpaipalbums[indexPath.item];
    
    NSString *utlStr = [NSString stringWithFormat:@"%@/%@",[LCSaveData getImageUrl]?[LCSaveData getImageUrl]:BaseImgUrl,model.youpaipurl] ;
    
    
    [cell.youpaipiconImageView sd_setImageWithURL:[NSURL URLWithString:utlStr]  placeholderImage:nil];
    if (indexPath.item ==0) {
        if (self.isBigImage) {
            
            cell.cycleShow = NO;
        }else{
            cell.cycleShow = YES;
            self.selIndex = [NSIndexPath indexPathForItem:0 inSection:0];
        }
        if (model.youpaipis_video ==1) {
            cell.youpaipplayImageView.hidden = NO;
            cell.youpaipiconImageView.image = [UIImage imageWithVideo:[NSURL URLWithString:utlStr]];
            
        }else{
            cell.youpaipplayImageView.hidden = YES;
        }
        
    }else{
        cell.youpaipplayImageView.hidden = YES;
    }
    
    return cell;
}
//+ (UIImage *)imageWithVideo:(NSURL *)videoURL
//大图滚动后小图显示位置
-(void)setScrollToItemAtIndex:(NSInteger)index{
    self.isBigImage = YES;
    [self.youpaipcollectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:index inSection:0] atScrollPosition:UICollectionViewScrollPositionTop animated:YES];
    YOUPAIRightCollectionContentCell *cell = (YOUPAIRightCollectionContentCell*)[self.youpaipcollectionView cellForItemAtIndexPath:self.selIndex];
    cell.cycleShow = NO;
    //记录当前的选择的位置
    _selIndex = [NSIndexPath indexPathForItem:index inSection:0];
    YOUPAIRightCollectionContentCell *cell1 = (YOUPAIRightCollectionContentCell*)[self.youpaipcollectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:index inSection:0]];
    cell1.cycleShow = YES;
}

-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    
    YOUPAIRightCollectionContentCell *cell = (YOUPAIRightCollectionContentCell*)[self.youpaipcollectionView cellForItemAtIndexPath:self.selIndex];
    cell.cycleShow = NO;
    //记录当前的选择的位置
    _selIndex = indexPath;
    YOUPAIRightCollectionContentCell *cell1 = (YOUPAIRightCollectionContentCell*)[self.youpaipcollectionView cellForItemAtIndexPath:indexPath];
    cell1.cycleShow = YES;
    
    if (self.didSelectImageIndex) {
        self.didSelectImageIndex(indexPath.item);
    }
    
}

#pragma mark UICollectionViewDelegateFlowLayout


/**
 项目大小
 
 @param collectionView 集合视图
 @param collectionViewLayout 布局
 @param indexPath 布局
 @return 大小
 */
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    return CGSizeMake(44,  44);
}


#pragma mark - X间距
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {
     return 5.0;
}

//设置段落的内边距
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
{
  return UIEdgeInsetsMake(0,0,0,0);//UIEdgeInsetsMake(CGFloat top, CGFloat left, CGFloat bottom, CGFloat right)
}
@end