peko-ios/YuMi/Modules/YMNewHome/View/CustomView/XPNewHomeHeadView.m

//
//  XPNewHomeHeadView.m
//  YuMi
//
//  Created by duoban on 2023/9/1.
//

#import "XPNewHomeHeadView.h"
#import <SDCycleScrollView/SDCycleScrollView.h>
#import "XPNewHomeItemCell.h"
#import "PIPageControl.h"
@interface XPNewHomeHeadView ()<SDCycleScrollViewDelegate,UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>
@property(nonatomic,strong) UICollectionView *collectionView;
///轮播图
@property (nonatomic, strong) SDCycleScrollView *pi_BannerView;
@property(nonatomic,strong) PIPageControl *pageControl;
@end
@implementation XPNewHomeHeadView

-(instancetype)initWithFrame:(CGRect)frame{
    self = [super initWithFrame:frame];
    if(self){
        [self installUI];
        [self installConstraints];
    }
    return self;
}
-(void)installUI{
    [self addSubview:self.collectionView];
    [self addSubview:self.pi_BannerView];
    [self addSubview:self.pageControl];
}
-(void)installConstraints{
 
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.mas_equalTo(0);
        make.trailing.mas_equalTo(0);
        make.top.mas_equalTo(kGetScaleWidth(0));
        make.height.mas_equalTo(kGetScaleWidth(80));
    }];
    [self.pi_BannerView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.collectionView.mas_bottom).mas_offset(kGetScaleWidth(10));
        make.leading.trailing.equalTo(self).inset(kGetScaleWidth(14));
        make.height.mas_equalTo(kGetScaleWidth(80));
    }];
    
 
}
#pragma mark - SDCycleScrollViewDelegate
- (void)cycleScrollView:(SDCycleScrollView *)cycleScrollView didSelectItemAtIndex:(NSInteger)index {
    HomeBannerInfoModel * bannerInfo = [self.bannerList safeObjectAtIndex1:index];
    if(bannerInfo != nil && self.delegate && [self.delegate respondsToSelector:@selector(selectBannerListWithModel:)]){
        [self.delegate selectBannerListWithModel:bannerInfo];
    }
    
}
- (void)cycleScrollView:(SDCycleScrollView *)cycleScrollView didScrollToIndex:(NSInteger)index{
    self.pageControl.currentPage = index;
}
#pragma mark - Getters And Setters
- (void)setBannerList:(NSArray<HomeBannerInfoModel *> *)bannerList {
    _bannerList = bannerList;
    if (_bannerList.count > 0) {
        NSMutableArray * array = [NSMutableArray array];
        [_bannerList enumerateObjectsUsingBlock:^(HomeBannerInfoModel * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
            if (obj.bannerPic.length > 0) {
                [array addObject:obj.bannerPic];
            }
        }];
        if (array.count > 0) {
            self.pi_BannerView.imageURLStringsGroup = array;
            CGFloat width = array.count * kGetScaleWidth(7) - kGetScaleWidth(3);
            [self.pageControl mas_remakeConstraints:^(MASConstraintMaker *make) {
                make.bottom.mas_equalTo(-kGetScaleWidth(4));
                make.height.mas_equalTo(kGetScaleWidth(4));
                make.centerX.equalTo(self);
                make.width.mas_equalTo(width);
            }];
            self.pageControl.numberOfPages = array.count;
            self.pageControl.currentPage = 0;
            
            [self.pi_BannerView autoScroll];
        }
        _pi_BannerView.hidden = NO;
    }else{
        _pi_BannerView.hidden = YES;
    }
}
- (void)setItemList:(NSArray *)itemList{
    _itemList = itemList;
    self.collectionView.scrollEnabled = _itemList.count > 2;
    [self.collectionView reloadData];
}


- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
 
    return  self.itemList.count > 0 ? self.itemList.count : 2;
}

- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
  
    XPNewHomeItemCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([XPNewHomeItemCell class]) forIndexPath:indexPath];
    if(indexPath.row < self.itemList.count){
        cell.itmeModel = self.itemList[indexPath.row];
    }
    
    return cell;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    PIHomeItemModel *model = [self.itemList safeObjectAtIndex1:indexPath.row];
    if(model != nil && self.delegate && [self.delegate respondsToSelector:@selector(selectItemWithModel:)]){
        [self.delegate selectItemWithModel:model];
    }
}
#pragma mark - 懒加载
- (UICollectionView *)collectionView{
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        layout.sectionInset = UIEdgeInsetsMake(0, kGetScaleWidth(15), 0, kGetScaleWidth(15));
        layout.minimumLineSpacing = 0;
        layout.minimumInteritemSpacing = kGetScaleWidth(8);
        layout.itemSize = CGSizeMake(kGetScaleWidth(168), kGetScaleWidth(80));
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.dataSource = self;
        _collectionView.delegate = self;
        _collectionView.pagingEnabled = NO;
        _collectionView.scrollEnabled = NO;
        _collectionView.backgroundColor = [UIColor clearColor];
        [_collectionView registerClass:[XPNewHomeItemCell class] forCellWithReuseIdentifier:NSStringFromClass([XPNewHomeItemCell class])];
        _collectionView.showsVerticalScrollIndicator = NO;
    }
    return _collectionView;
}
#pragma mark - 懒加载

- (SDCycleScrollView *)pi_BannerView {
    if (!_pi_BannerView) {
        _pi_BannerView = [SDCycleScrollView cycleScrollViewWithFrame:CGRectZero delegate:self placeholderImage:[UIImageConstant defalutBannerPlaceholder]];
        _pi_BannerView.backgroundColor = [UIColor clearColor];
        _pi_BannerView.layer.cornerRadius = 10;
        _pi_BannerView.layer.masksToBounds = YES;
        _pi_BannerView.showPageControl = NO;
        _pi_BannerView.autoScrollTimeInterval = 5.0;
        _pi_BannerView.bannerImageViewContentMode = UIViewContentModeScaleAspectFill;
        _pi_BannerView.tag = 9000001;
        _pi_BannerView.hidden = YES;
    }
    return _pi_BannerView;
}
- (PIPageControl *)pageControl{
    if(!_pageControl){
        _pageControl = [[PIPageControl alloc]init];
        _pageControl.currentPageIndicatorTintColor = UIColorFromRGB(0x9168FA);
        _pageControl.pageIndicatorTintColor = UIColorRGBAlpha(0xB3B3C3, 0.4);
    }
    return _pageControl;
}

@end