1v1/MSYOUPAI/NewCode/Module/EditProfile/View/YMEditProfileAlbumView.m

//
//  YMEditProfileAlbumView.m
//  MSYOUPAI
//
//  Created by YoMi on 2024/2/18.
//  Copyright © 2024 MS. All rights reserved.
//

#import "YMEditProfileAlbumView.h"
#import "YMEditProfileViewModel.h"
#import "YMEditProfileAlbumCell.h"
#import "CHTCollectionViewWaterfallLayout.h"
@interface YMEditProfileAlbumView ()<UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout,CHTCollectionViewDelegateWaterfallLayout,TZImagePickerControllerDelegate,YBImageBrowserDelegate>
/// 编辑资料VM
@property (nonatomic, strong) YMEditProfileViewModel *viewModel;
/// 相册标题标签
@property (nonatomic, strong) UILabel *albumTitleLb;
/// 相册排版
@property (nonatomic, strong) CHTCollectionViewWaterfallLayout *albumLayout;
/// 相册视图
@property (nonatomic, strong) UICollectionView *albumCollectionView;
/// 提示标签
@property (nonatomic, strong) UILabel *albumTipsLb;
@end

@implementation YMEditProfileAlbumView

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

- (void)updateConstraints{
    
    [self.albumTitleLb mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self).offset(adapt(10));
        make.left.equalTo(self).offset(adapt(15));
    }];
    
    [self.albumCollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.albumTitleLb.mas_bottom).offset(adapt(10));
        make.left.equalTo(self);
        make.right.equalTo(self);
    }];
    
    [self.albumTipsLb mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.albumCollectionView.mas_bottom).offset(adapt(10));
        make.left.equalTo(self).offset(adapt(15));
        make.right.equalTo(self).offset(adapt(-15));
        make.bottom.equalTo(self).offset(adapt(-10));
    }];
    
    [super updateConstraints];
}

- (void)ym_bindViewModel:(YMEditProfileViewModel *)viewModel{
    if (!viewModel) {
        return;
    }
    
    _viewModel = viewModel;
    
    @weakify(self)
    [[self.viewModel.refreshUISubject takeUntil:self.rac_willDeallocSignal] subscribeNext:^(id result) {
        @strongify(self)
        [self.albumCollectionView reloadData];
        [self.albumCollectionView layoutIfNeeded];
        //刷新高度
        CGFloat albumCollectionViewHeight = self.albumCollectionView.collectionViewLayout.collectionViewContentSize.height;
        [self.albumCollectionView mas_updateConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(albumCollectionViewHeight);
        }];
    }];
}

- (NSInteger)calculationAddItem{
    NSInteger result = 0;
    for (int i = 1; i <= self.viewModel.albumDataArray.count; i++) {
        result = i;
    }
    return self.viewModel.albumDataArray.count + 6 - result;
}

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

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return !self.viewModel.isHideAddCell ? [self calculationAddItem]: self.viewModel.albumDataArray.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    if (!self.viewModel.isHideAddCell) {
        if (self.viewModel.albumDataArray.count <= indexPath.item) {
            YMEditProfileAlbumCell *addCell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([YMEditProfileAlbumCell class]) forIndexPath:indexPath];
            [addCell ym_bindViewModel:self.viewModel.addCellViewModel];
            return addCell;
        }
    }
    YMEditProfileAlbumCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([YMEditProfileAlbumCell class]) forIndexPath:indexPath];
    [cell ym_bindViewModel:self.viewModel.albumDataArray[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;
}

///允许移动的item
- (BOOL)collectionView:(UICollectionView*)collectionView canMoveItemAtIndexPath:(nonnull NSIndexPath *)indexPath{
    if (indexPath.item >= self.viewModel.albumDataArray.count){
        return NO;
    }
    return YES;
}

///对交换过的item数据进行操作
- (void)collectionView:(UICollectionView*)collectionView moveItemAtIndexPath:(nonnull NSIndexPath *)sourceIndexPath toIndexPath:(nonnull NSIndexPath *)destinationIndexPath{
    NSMutableArray *tempArr = [NSMutableArray arrayWithArray:self.viewModel.albumDataArray];
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.35 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        if (destinationIndexPath.row >= tempArr.count){
            [self.albumCollectionView reloadData];
            return;
        }
        if (sourceIndexPath.row >= tempArr.count){
            [self.albumCollectionView reloadData];
            return;
        }
        [tempArr exchangeObjectAtIndex:sourceIndexPath.item withObjectAtIndex:destinationIndexPath.item];
        [self.viewModel.refreshAlbumSortSubject sendNext:tempArr];
    });
}

///抑制item移动 指定位置禁止交换
- (NSIndexPath *)collectionView:(UICollectionView *)collectionView targetIndexPathForMoveOfItemFromOriginalIndexPath:(NSIndexPath *)originalIndexPath atCurrentIndexPath:(NSIndexPath *)currentIndexPath toProposedIndexPath:(NSIndexPath *)proposedIndexPath {
    return proposedIndexPath;
}

#pragma mark - UICollectionViewDelegate
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    if (!self.viewModel.isHideAddCell && self.viewModel.albumDataArray.count <= indexPath.item) {
        [self.viewModel openAlbumPickerPopupView];
    }else{
        NSMutableArray *tempArr = [NSMutableArray array];
        for (YMEditProfileAlbumCellViewModel *model in self.viewModel.albumDataArray) {
            YBIBImageData *data = [YBIBImageData new];
            if (!OCStringIsEmpty(model.networkAlbum)) {
                data.imageURL = [LCTools getImageUrlWithAddress:model.networkAlbum];
            } else {
                data.image = ^UIImage * _Nullable{
                    return model.localAlbum;
                };
            }
            data.projectiveView = [collectionView cellForItemAtIndexPath:indexPath];
            [tempArr addObject:data];
        }
        
        YBImageBrowser *browser = [YBImageBrowser new];
        browser.delegate = self;
        browser.dataSourceArray = tempArr;
        browser.currentPage = indexPath.item;
        [browser.defaultToolViewHandler.topView.operationButton setHidden:false];
        [browser.defaultToolViewHandler.topView.operationButton setTitle:@"删除" forState:UIControlStateNormal];
        [browser.defaultToolViewHandler.topView.operationButton setImage:NULL forState:UIControlStateNormal];
        WS(weakSelf)
        [browser.defaultToolViewHandler.topView setClickOperation:^(YBIBTopViewOperationType type) {
            YMTipsPopupView *customView = [[YMTipsPopupView alloc]init];
            customView.confirmTitle = @"删除";
            [customView configutationWithTips:@"是否删除这张照片" TipsAlignment:NSTextAlignmentCenter IsHideTitle:NO IsHideSingleButton:YES];
            YMPopupView *popupView = [YMPopupView initWithCustomView:customView parentView:nil popStyle:YMPopupStyleFade dismissStyle:YMDismissStyleFade];
            popupView.priority = 999;
            popupView.cornerRadius = adapt(10);
            popupView.rectCorners = UIRectCornerAllCorners;
            popupView.positionStyle = YMPositionStyleCenter;
            popupView.isHideBg = NO;
            popupView.bgAlpha = 0.3;
            @weakify(popupView)
            customView.buttonBlock = ^(BOOL isConfirm) {
                @strongify(popupView)
                if (isConfirm) {
                    [weakSelf.viewModel.deleteAlbumSubject sendNext:@(browser.currentPage)];
                    [browser hide];
                }
                [popupView dismissWithStyle:YMDismissStyleFade duration:2.0];
            };
            [popupView pop];
        }];
        [browser show];
    }
}


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

#pragma mark - 拖拽事件照片处理
- (void)longPressAction:(UIGestureRecognizer *)gesture{
    UIGestureRecognizerState state = gesture.state;
    CGPoint location = [gesture locationInView:self.albumCollectionView];
    
    switch(state) {
            //手势开始
        case UIGestureRecognizerStateBegan:
        {
            //判断手势落点位置是否在路径上
            NSIndexPath *indexPath = [self.albumCollectionView indexPathForItemAtPoint:location];
            if(indexPath == nil) {
                break;
            }
            //在路径上则开始移动该路径上的cell
            [self.albumCollectionView beginInteractiveMovementForItemAtIndexPath:indexPath];
            YMEditProfileAlbumCell *cell = (YMEditProfileAlbumCell*)[self.albumCollectionView cellForItemAtIndexPath:indexPath];
            [UIView animateWithDuration:0.35 animations:^{
                cell.alpha = 0.6;
            }];
            break;
        }
            //手势变化
        case UIGestureRecognizerStateChanged:
        {
            //移动过程当中随时更新cell位置
            [self.albumCollectionView updateInteractiveMovementTargetPosition:location];
            break;
        }
        case UIGestureRecognizerStateEnded:
        {
            //移动结束后关闭cell移动
            [self.albumCollectionView endInteractiveMovement];
            NSIndexPath *indexPath = [self.albumCollectionView indexPathForItemAtPoint:location];
            if(indexPath == nil) {
                break;
            }
            YMEditProfileAlbumCell *cell = (YMEditProfileAlbumCell*)[self.albumCollectionView cellForItemAtIndexPath:indexPath];
            [UIView animateWithDuration:0.35 animations:^{
                cell.alpha = 1;
            }];
            break;
        }
            //手势结束
        default:
        {
            NSIndexPath *indexPath = [self.albumCollectionView indexPathForItemAtPoint:location];
            if(indexPath == nil) {
                break;
            }
            
            YMEditProfileAlbumCell *cell = (YMEditProfileAlbumCell*)[self.albumCollectionView cellForItemAtIndexPath:indexPath];
            [UIView animateWithDuration:0.35 animations:^{
                cell.alpha = 1;
            }];
            break;
        }
    }
}

- (UILabel *)albumTitleLb{
    if (!_albumTitleLb) {
        _albumTitleLb = [[UILabel alloc]init];
        _albumTitleLb.font = LCBoldFont(16);
        _albumTitleLb.textColor = HexColorFromRGB(0x333333);
        _albumTitleLb.textAlignment = NSTextAlignmentLeft;
        _albumTitleLb.text = @"展示照片";
    }
    return _albumTitleLb;
}

- (CHTCollectionViewWaterfallLayout *)albumLayout{
    if (!_albumLayout) {
        _albumLayout = [[CHTCollectionViewWaterfallLayout alloc] init];
        _albumLayout.columnCount = 3;
        _albumLayout.sectionInset = UIEdgeInsetsMake(adapt(10), adapt(10), adapt(10), adapt(10));
    }
    return _albumLayout;
}

- (UICollectionView *)albumCollectionView{
    if (!_albumCollectionView) {
        _albumCollectionView = [[UICollectionView alloc]initWithFrame:CGRectZero collectionViewLayout:self.albumLayout];
        _albumCollectionView.delegate = self;
        _albumCollectionView.dataSource = self;
        _albumCollectionView.showsVerticalScrollIndicator = NO;
        _albumCollectionView.showsHorizontalScrollIndicator = NO;
        _albumCollectionView.backgroundColor = UIColor.whiteColor;
        [_albumCollectionView registerClass:[YMEditProfileAlbumCell class] forCellWithReuseIdentifier:NSStringFromClass([YMEditProfileAlbumCell class])];
        UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPressAction:)];
        [_albumCollectionView addGestureRecognizer:longPress];

    }
    return _albumCollectionView;
}

- (UILabel *)albumTipsLb{
    if (!_albumTipsLb) {
        _albumTipsLb = [[UILabel alloc]init];
        _albumTipsLb.font = LCFont(12);
        _albumTipsLb.textColor = HexColorFromRGB(0x9C9C9C);
        _albumTipsLb.textAlignment = NSTextAlignmentLeft;
        _albumTipsLb.text = @"1、拖拽相片可以更改排序，单击查看大图可删除相册;";
        //1、拖拽相片可以更改排序，单击查看大图可删除相册\n2、照片涉黄或者审核不通过将被删除，严重者冻结账号
    }
    return _albumTipsLb;
}
@end