//
//  YMPersonalPageDynamicView.m
//  MSYOUPAI
//
//  Created by YoMi on 2024/3/3.
//  Copyright © 2024 MS. All rights reserved.
//

#import "YMPersonalPageDynamicView.h"
#import "YMPersonalPageViewModel.h"
#import "YMPersonalPageDynamicCell.h"
#import "CHTCollectionViewWaterfallLayout.h"
@interface YMPersonalPageDynamicView ()<UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout,CHTCollectionViewDelegateWaterfallLayout>
/// 个人主页VM
@property (nonatomic, strong) YMPersonalPageViewModel *viewModel;
/// 个人主页动态标签
@property (nonatomic, strong) UILabel *personalPageDynamicLb;
/// 个人主页动态数量标签
@property (nonatomic, strong) UILabel *personalPageDynamicNumberLb;
/// 查看全部按钮
@property (nonatomic, strong) UIButton *seeAllBtn;
/// 动态排版
@property (nonatomic, strong) CHTCollectionViewWaterfallLayout *dynamicLayout;
/// 动态容器列表
@property (nonatomic, strong) UICollectionView *dynamicCollectionView;
@end

@implementation YMPersonalPageDynamicView

- (void)ym_setupViews{
    
    [self addSubview:self.personalPageDynamicLb];
    [self addSubview:self.personalPageDynamicNumberLb];
    [self addSubview:self.seeAllBtn];
    [self addSubview:self.dynamicCollectionView];
    [self setNeedsUpdateConstraints];
    [self updateConstraintsIfNeeded];
}

- (void)updateConstraints{
    
    [self.personalPageDynamicLb mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self).offset(adapt(10));
        make.left.equalTo(self).offset(adapt(20));
    }];
    
    [self.personalPageDynamicNumberLb mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(self.personalPageDynamicLb.mas_centerY);
        make.left.equalTo(self.personalPageDynamicLb.mas_right).offset(adapt(5));
    }];
    
    [self.seeAllBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(self.personalPageDynamicLb.mas_centerY);
        make.right.equalTo(self).offset(adapt(-20));
    }];
    
    [self.dynamicCollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.personalPageDynamicLb.mas_bottom).offset(adapt(20));
        make.left.equalTo(self).offset(adapt(20));
        make.right.equalTo(self).offset(adapt(-20));
        make.bottom.equalTo(self).offset(adapt(-10));
    }];
    
    [super updateConstraints];
}

- (void)ym_bindViewModel:(YMPersonalPageViewModel *)viewModel{
    if (!viewModel) {
        return;
    }
    
    _viewModel = viewModel;
    
    RAC(self.personalPageDynamicNumberLb, text) = RACObserve(self.viewModel, dynamicNumber);
    
    @weakify(self)
    [[self.viewModel.refreshUISubject takeUntil:self.rac_willDeallocSignal] subscribeNext:^(id result) {
        @strongify(self)
        [self.dynamicCollectionView reloadData];
        [self.dynamicCollectionView layoutIfNeeded];
        //刷新高度
        CGFloat dynamicCollectionViewHeight = self.dynamicCollectionView.collectionViewLayout.collectionViewContentSize.height;
        [self.dynamicCollectionView mas_updateConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(dynamicCollectionViewHeight);
        }];
    }];
    
}

#pragma mark - UICollectionViewDataSource
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.viewModel.dynamicDataArray.count > 5 ? 5 : self.viewModel.dynamicDataArray.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    YMPersonalPageDynamicCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([YMPersonalPageDynamicCell class]) forIndexPath:indexPath];
    [cell ym_bindViewModel:self.viewModel.dynamicDataArray[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(67), adapt(67));
}



- (UILabel *)personalPageDynamicLb{
    if (!_personalPageDynamicLb) {
        _personalPageDynamicLb = [[UILabel alloc]init];
        _personalPageDynamicLb.font = LCBoldFont(17);
        _personalPageDynamicLb.textColor = HexColorFromRGB(0x000000);
        _personalPageDynamicLb.textAlignment = NSTextAlignmentLeft;
        _personalPageDynamicLb.text = @"TA的动态";
    }
    return _personalPageDynamicLb;
}

- (UILabel *)personalPageDynamicNumberLb{
    if (!_personalPageDynamicNumberLb) {
        _personalPageDynamicNumberLb = [[UILabel alloc]init];
        _personalPageDynamicNumberLb.font = LCFont(11);
        _personalPageDynamicNumberLb.textColor = HexColorFromRGB(0x737373);
        _personalPageDynamicNumberLb.textAlignment = NSTextAlignmentLeft;
        _personalPageDynamicNumberLb.text = @"(**)";
    }
    return _personalPageDynamicNumberLb;
}

- (UIButton *)seeAllBtn{
    if (!_seeAllBtn) {
        _seeAllBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        _seeAllBtn.titleLabel.font = LCFont(11);
        [_seeAllBtn setTitleColor:HexColorFromRGB(0x737373) forState:UIControlStateNormal];
        [_seeAllBtn setTitle:@"查看更多" forState:UIControlStateNormal];
        [_seeAllBtn setImage:ImageByName(@"ym_personal_page_arrow_icon") forState:UIControlStateNormal];
        _seeAllBtn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentRight;
        [_seeAllBtn setSemanticContentAttribute:UISemanticContentAttributeForceRightToLeft];
        CGFloat margin = 3;
        _seeAllBtn.imageEdgeInsets = UIEdgeInsetsMake(0, margin, 0, -margin);
        _seeAllBtn.userInteractionEnabled = NO;
    }
    return _seeAllBtn;
}

- (CHTCollectionViewWaterfallLayout *)dynamicLayout{
    if (!_dynamicLayout) {
        _dynamicLayout = [[CHTCollectionViewWaterfallLayout alloc] init];
        _dynamicLayout.columnCount = 5;
        _dynamicLayout.sectionInset = UIEdgeInsetsZero;
    }
    return _dynamicLayout;
}


- (UICollectionView *)dynamicCollectionView{
    if (!_dynamicCollectionView) {
        _dynamicCollectionView = [[UICollectionView alloc]initWithFrame:CGRectZero collectionViewLayout:self.dynamicLayout];
        _dynamicCollectionView.delegate = self;
        _dynamicCollectionView.dataSource = self;
        _dynamicCollectionView.userInteractionEnabled = NO;
        _dynamicCollectionView.showsVerticalScrollIndicator = NO;
        _dynamicCollectionView.showsHorizontalScrollIndicator = NO;
        _dynamicCollectionView.backgroundColor = UIColor.whiteColor;
        [_dynamicCollectionView registerClass:[YMPersonalPageDynamicCell class] forCellWithReuseIdentifier:NSStringFromClass([YMPersonalPageDynamicCell class])];
    }
    return _dynamicCollectionView;
}
@end