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

#import "YMMemberPrivilegeItemView.h"
#import "YMMemberCenterViewModel.h"
#import "YMMemberPrivilegeItemCell.h"
@interface YMMemberPrivilegeItemView ()<UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>
/// 会员中心VM
@property (nonatomic, strong) YMMemberCenterViewModel *viewModel;
/// 特权项目标题标签
@property (nonatomic, strong) UILabel *privilegeItemTitleLb;

@property (nonatomic, strong) UIImageView *lImgv;
@property (nonatomic, strong) UIImageView *rImgv;
@property (nonatomic, strong) UIImageView *bImgv;

/// 特权项目排版
@property (nonatomic, strong) UICollectionViewFlowLayout *privilegeItemLayout;
/// 特权项目容器列表
@property (nonatomic, strong) UICollectionView *privilegeItemCollectionView;
@end

@implementation YMMemberPrivilegeItemView

- (void)ym_setupViews{
    
    [self addSubview:self.lImgv];
    [self addSubview:self.rImgv];
    [self addSubview:self.bImgv];
    [self addSubview:self.privilegeItemTitleLb];
    [self addSubview:self.privilegeItemCollectionView];
    [self setNeedsUpdateConstraints];
    [self updateConstraintsIfNeeded];
}

- (void)updateConstraints{
    
    [self.privilegeItemTitleLb mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self);
        make.left.equalTo(self).offset(adapt(22));
    }];
//    [self.lImgv mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.centerY.equalTo(self.privilegeItemTitleLb);
//        make.right.equalTo(self.privilegeItemTitleLb.mas_left).offset(adapt(-6));
//    }];
//    [self.rImgv mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.centerY.equalTo(self.privilegeItemTitleLb);
//        make.left.equalTo(self.privilegeItemTitleLb.mas_right).offset(adapt(6));
//    }];
//    [self.bImgv mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.centerX.equalTo(self.privilegeItemTitleLb);
//        make.top.equalTo(self.privilegeItemTitleLb.mas_bottom).offset(adapt(6));
//    }];
    
    [self.privilegeItemCollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.privilegeItemTitleLb.mas_bottom).offset(adapt(20));
        make.left.equalTo(self);
        make.right.equalTo(self);
        make.height.mas_equalTo(adapt(140) * 4.5);
    }];
    
    [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.privilegeItemCollectionView reloadData];
        [self.privilegeItemCollectionView layoutIfNeeded];
        //刷新高度
//        CGFloat privilegeItemCollectionViewHeight = self.privilegeItemCollectionView.collectionViewLayout.collectionViewContentSize.height;
//        [self.privilegeItemCollectionView mas_updateConstraints:^(MASConstraintMaker *make) {
//            make.height.mas_equalTo(privilegeItemCollectionViewHeight);
//        }];
    }];
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}

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

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

#pragma mark - CHTCollectionViewDelegateWaterfallLayout
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    return CGSizeMake(adapt(100), adapt(127));
}

- (UIImageView *)lImgv {
    if (!_lImgv) {
        _lImgv = [[UIImageView alloc] init];
        _lImgv.hidden = YES;
        _lImgv.image = ImageByName(@"ym_member_center_vip_left");
    }
    return _lImgv;
}

- (UIImageView *)rImgv {
    if (!_rImgv) {
        _rImgv = [[UIImageView alloc] init];
        _rImgv.hidden = YES;
        _rImgv.image = ImageByName(@"ym_member_center_vip_right");
    }
    return _rImgv;
}

- (UIImageView *)bImgv {
    if (!_bImgv) {
        _bImgv = [[UIImageView alloc] init];
        _bImgv.hidden = YES;
        _bImgv.image = ImageByName(@"ym_member_center_vip_bottom");
    }
    return _bImgv;
}

- (UILabel *)privilegeItemTitleLb{
    if (!_privilegeItemTitleLb) {
        _privilegeItemTitleLb = [[UILabel alloc]init];
        _privilegeItemTitleLb.font = LCBoldFont(16);
        _privilegeItemTitleLb.textColor = HexColorFromRGB(0x333333);
        _privilegeItemTitleLb.textAlignment = NSTextAlignmentLeft;
        _privilegeItemTitleLb.text = @"VIP权益";
    }
    return _privilegeItemTitleLb;
}


- (UICollectionViewFlowLayout *)privilegeItemLayout{
    if (!_privilegeItemLayout) {
        _privilegeItemLayout = [[UICollectionViewFlowLayout alloc] init];
        _privilegeItemLayout.scrollDirection =  UICollectionViewScrollDirectionVertical;
        _privilegeItemLayout.minimumLineSpacing = adapt(10);
        _privilegeItemLayout.minimumInteritemSpacing = adapt(10);
    }
    return _privilegeItemLayout;
}

- (UICollectionView *)privilegeItemCollectionView{
    if (!_privilegeItemCollectionView) {
        _privilegeItemCollectionView = [[UICollectionView alloc]initWithFrame:CGRectZero collectionViewLayout:self.privilegeItemLayout];
        _privilegeItemCollectionView.delegate = self;
        _privilegeItemCollectionView.dataSource = self;
        _privilegeItemCollectionView.showsVerticalScrollIndicator = NO;
        _privilegeItemCollectionView.showsHorizontalScrollIndicator = YES;
        _privilegeItemCollectionView.backgroundColor = UIColor.clearColor;
        _privilegeItemCollectionView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
        [_privilegeItemCollectionView registerClass:[YMMemberPrivilegeItemCell class] forCellWithReuseIdentifier:NSStringFromClass([YMMemberPrivilegeItemCell class])];
    }
    return _privilegeItemCollectionView;
}

@end