Asteria-APP/Asteria/Fuction/Home/ASProductListViewController.m

//
//  ASProductListViewController.m
//  Asteria
//
//  Created by iOS on 2023/6/12.
//

#import "ASProductListViewController.h"
#import "HomeFlashDealSubCollectCell.h"
#import "ASProductListViewModel.h"
#import "ASProductListMenuHeaderView.h"
#import "ASProductListActiveHeaderView.h"

@interface ASProductListViewController ()<UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>

@property (nonatomic, strong) NSArray <ASHomeBannerModel *>*topLinkArr;




@property (nonatomic, strong) ASProductListViewModel *vm;
@property (nonatomic, strong) UICollectionView *collectV;
@property (nonatomic, strong) UIView *bottomV;
@property (nonatomic, strong) UIButton *moreBt;

@property (nonatomic, strong) UIButton *searchNavBt;

@end

@implementation ASProductListViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self loadSubVs];
    [self loasActiveDataAndV];
    self.vm = [ASProductListViewModel new];
    [self.collectV reloadData];
    
    
    
}

- (void)loadSubVs {
    
    [self.view addSubview:self.collectV];
    [self.customNavBar addSubview:self.searchNavBt];
    
    [self.searchNavBt mas_makeConstraints:^(MASConstraintMaker *make) {
        make.width.height.equalTo(@44);
        make.trailing.equalTo(self.customNavBar).offset(-10);
        make.centerY.equalTo(self.customNavBar);
    }];
    
    [self.collectV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.customNavBar.mas_bottom);
        make.leading.trailing.equalTo(self.view);
        make.bottom.equalTo(self.view);
    }];
    
}

- (void)loasActiveDataAndV {
    NSMutableArray *tempArr = [NSMutableArray array];
    for (int i=0;i < (arc4random()%6); i++) {
        ASHomeBannerModel *m = [ASHomeBannerModel demoModelWithType:i%3+1];
        [tempArr addObject:m];
    }
    self.topLinkArr = tempArr;
    
    [self.collectV reloadData];
}

// MARK: - delegate datasource
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    
    
}

// MARK: - UICollectionViewDataSource
- (nonnull __kindof UICollectionViewCell *)collectionView:(nonnull UICollectionView *)collectionView cellForItemAtIndexPath:(nonnull NSIndexPath *)indexPath {
    
    HomeFlashDealSubCollectCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"HomeFlashDealSubCollectCell" forIndexPath:indexPath];
    if (self.vm.productList.count <= indexPath.row)
    {
        return cell;
    }
   
    ASProductBaseModel *m = self.vm.productList[indexPath.row];
    cell.model = m;
    cell.contView.addCartBt.hidden = true;
    return cell;
}

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 3;
}

- (NSInteger)collectionView:(nonnull UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    if (section == 0 || section == 1) {
        return 0;
    }
    return self.vm.productList.count;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section {
    if (section == 0) {
        CGSize size = CGSizeZero;
        if (self.topLinkArr.count > 0) {
            size = CGSizeMake(KScreenWidth, 40);
        }
        return size;
    }
    if (section == 1) {
        return CGSizeMake(KScreenWidth, 60);
    }
    return CGSizeZero;
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section == 0 && [kind isEqualToString:UICollectionElementKindSectionHeader]) {
        ASProductListActiveHeaderView *v = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"ASProductListActiveHeaderView" forIndexPath:indexPath];
        [v setData:self.topLinkArr tapBlock:^(ASHomeBannerModel * _Nullable m) {
            
        }];
        return v;
    }
    if (indexPath.section == 1 && [kind isEqualToString:UICollectionElementKindSectionHeader]) {
        ASProductListMenuHeaderView *v = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"ASProductListMenuHeaderView" forIndexPath:indexPath];
        [v setData:@"SORT BY" sortBlock:^{
            
        } menuBlock:^{
            
        }];
        return v;
    }
    return nil;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    CGFloat marg = 10;
    CGFloat w = (KScreenWidth-3*marg)/2;
    CGFloat collH = (KScreenWidth-30)/2 + productHWithOutImg;
    return CGSizeMake(w, collH);
}

-(CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section {
    return 10;
}

-(CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {
    return 10;
}

- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
    if (section == 0 || section == 1) {
        return UIEdgeInsetsZero;
    }
    return UIEdgeInsetsMake(10, 10, 10, 10);
}

// MARK: - actions
- (void)search_navAction {
    // TODO: to searchVC
}




// MARK: - subvs

-(UICollectionView *)collectV {
    if (!_collectV) {
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        layout.sectionInset = UIEdgeInsetsMake(10, 0, 10, 0);
        layout.scrollDirection = UICollectionViewScrollDirectionVertical;
        CGFloat collH = (KScreenWidth-30)/2 + 126;
        layout.itemSize = CGSizeMake((KScreenWidth - 30)/2, collH);
        UICollectionView *collV = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, KScreenWidth, collH) collectionViewLayout:layout];
        collV.backgroundColor = [UIColor whiteColor];
        collV.alwaysBounceVertical = true;
        collV.scrollEnabled = true;
        collV.delegate = self;
        collV.dataSource = self;
        collV.showsHorizontalScrollIndicator = false;
        collV.showsVerticalScrollIndicator = false;
        [collV registerClass:[HomeFlashDealSubCollectCell class] forCellWithReuseIdentifier:@"HomeFlashDealSubCollectCell"];
        [collV registerClass:[ASProductListActiveHeaderView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"ASProductListActiveHeaderView"];
        [collV registerClass:[ASProductListMenuHeaderView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"ASProductListMenuHeaderView"];
        _collectV = collV;
    }
    return  _collectV;
}

-(UIView *)bottomV {
    if (!_bottomV) {
        UIView *v = [UIView baseV];
        v.backgroundColor = Col_FFF;
        v.clipsToBounds = true;
        _bottomV = v;
    }
    return _bottomV;
}

- (UIButton *)moreBt {
    if (!_moreBt) {
        UIButton *bt = [UIButton buttonWithType:UIButtonTypeCustom];
        [bt setTitle:@"VIEW MORE" forState:UIControlStateNormal];
        [bt setTitleColor:Col_000 forState:UIControlStateNormal];
        bt.titleLabel.font = [UIFont fontWithName:Rob_Regular size:16];
        bt.layer.cornerRadius = 4;
        bt.layer.borderColor = Col_000.CGColor;
        bt.layer.borderWidth = 1;
        bt.layer.masksToBounds = true;
        _moreBt = bt;
    }
    return _moreBt;
}

- (UIButton *)searchNavBt {
    if (!_searchNavBt) {
        UIButton *bt = [UIButton buttonWithType:UIButtonTypeCustom];
        [bt setImage:[UIImage imageNamed:@"nav_search"] forState:UIControlStateNormal];
        [bt addTarget:self action:@selector(search_navAction) forControlEvents:UIControlEventTouchUpInside];
        _searchNavBt = bt;
    }
    return _searchNavBt;
}






@end