1v1/MSYOUPAI/NewCode/Module/MemberCenter/View/YMMemberRenewalItemView.m

//
//  YMMemberRenewalItemView.m
//  MSYOUPAI
//
//  Created by YoMi on 2024/2/27.
//  Copyright © 2024 MS. All rights reserved.
//

#import "YMMemberRenewalItemView.h"
#import "YMMemberCenterViewModel.h"
#import "YMMemberRenewalItemCell.h"

@interface YMMemberRenewalItemView ()<UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout,UICollectionViewDelegateFlowLayout>
/// 会员中心VM
@property (nonatomic, strong) YMMemberCenterViewModel *viewModel;
/// 续费项目排版
@property (nonatomic, strong) UICollectionViewFlowLayout *renewalItemLayout;
/// 续费项目容器列表
@property (nonatomic, strong) UICollectionView *renewalItemCollectionView;
@end

@implementation YMMemberRenewalItemView

- (void)ym_setupViews{
    [self addSubview:self.renewalItemCollectionView];
    [self setNeedsUpdateConstraints];
    [self updateConstraintsIfNeeded];
}

- (void)updateConstraints{
    
    [self.renewalItemCollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self);
        make.left.equalTo(self);
        make.right.equalTo(self);
        make.bottom.equalTo(self);
    }];
    
    [super updateConstraints];
}

- (void)ym_bindViewModel:(YMMemberCenterViewModel *)viewModel{
    if (!viewModel) {
        return;
    }
    
    _viewModel = viewModel;
    
    @weakify(self)
    [[self.viewModel.refreshUISubject takeUntil:self.rac_willDeallocSignal] subscribeNext:^(id result) {
        @strongify(self)
        [self.renewalItemCollectionView reloadData];
        [self.renewalItemCollectionView layoutIfNeeded];
        //刷新高度
//        CGFloat renewalItemCollectionViewHeight = self.renewalItemCollectionView.collectionViewLayout.collectionViewContentSize.height;
//        [self.renewalItemCollectionView mas_updateConstraints:^(MASConstraintMaker *make) {
//            make.height.mas_equalTo(renewalItemCollectionViewHeight);
//        }];
//        
        ///默认选中
        if (self.viewModel.renewalItemDataArray.count > 0) {
            /// 如果数组大于等于2判断是0下标还是1下标
            NSIndexPath *indexPath = [NSIndexPath indexPathForRow:self.viewModel.renewalItemDataArray.count >= 2 ? 1 : 0 inSection:0];
            [self.renewalItemCollectionView selectItemAtIndexPath:indexPath animated:NO scrollPosition:UICollectionViewScrollPositionNone];
            [self collectionView:self.renewalItemCollectionView didSelectItemAtIndexPath:indexPath];
        }
        
    }];
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}

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

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    YMMemberRenewalItemCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([YMMemberRenewalItemCell class]) forIndexPath:indexPath];
    [cell ym_bindViewModel:self.viewModel.renewalItemDataArray[indexPath.item]];
    return cell;
}


- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath{
    UICollectionReusableView *reusableView = nil;
    reusableView.backgroundColor = [UIColor clearColor];
    return reusableView;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section{
    return CGSizeZero;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section{
    return CGSizeZero;
}

#pragma mark - UICollectionViewDelegate
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    [self.viewModel.selectedRechargeItemSubject sendNext:@(indexPath.item)];
}

#pragma mark - CHTCollectionViewDelegateWaterfallLayout
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    return CGSizeMake(adapt(108), adapt(130));
}


- (UICollectionViewFlowLayout *)renewalItemLayout{
    if (!_renewalItemLayout) {
        _renewalItemLayout = [[UICollectionViewFlowLayout alloc] init];
        _renewalItemLayout.scrollDirection =  UICollectionViewScrollDirectionHorizontal;
        _renewalItemLayout.minimumLineSpacing = (kScreenWidth - adapt(108*3) - adapt(20))/2;
        _renewalItemLayout.minimumInteritemSpacing = adapt(0);
    }
    return _renewalItemLayout;
}

- (UICollectionView *)renewalItemCollectionView{
    if (!_renewalItemCollectionView) {
        _renewalItemCollectionView = [[UICollectionView alloc]initWithFrame:CGRectZero collectionViewLayout:self.renewalItemLayout];
        _renewalItemCollectionView.delegate = self;
        _renewalItemCollectionView.dataSource = self;
        _renewalItemCollectionView.showsVerticalScrollIndicator = NO;
        _renewalItemCollectionView.showsHorizontalScrollIndicator = NO;
        _renewalItemCollectionView.backgroundColor = UIColor.clearColor;
        [_renewalItemCollectionView registerClass:[YMMemberRenewalItemCell class] forCellWithReuseIdentifier:NSStringFromClass([YMMemberRenewalItemCell class])];
    }
    return _renewalItemCollectionView;
}

@end