Asteria-APP/Asteria/Fuction/Category/tipV/KWHisAndHotWordsView.m

//
//  KWHisAndHotWordsView.m
//  westkissMob
//
//  Created by iOS on 2022/9/14.
//

#import "KWHisAndHotWordsView.h"
#import "KWCustomLayout.h"
#import "KWHisKeyWordCell.h"
#import "KWHisCollectHeaderView.h"
#import "KWNoHisWordsCell.h"



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




@end

@implementation KWHisAndHotWordsView

- (void)reloadData {
    self.hisWords = [self.vm getLocalSearchDatas];
    @weakify(self);
        [self.vm getHotKeyList:^{
            [weak_self.collectV reloadData];
        }];
    [self.collectV reloadData];
    
}


- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        [self configSubV];
    }
    return self;
}

-(void)configSubV {
    self.vm = [[KWHisAndHotWordsViewModel alloc] init];
    
    self.backgroundColor = [UIColor colorWithHexString:@"f8f8f8"];
    self.collectV.backgroundColor = [UIColor colorWithHexString:@"f8f8f8"];
    [self addSubview:self.collectV];
    [self.collectV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self);
    }];
    
    @weakify(self);
    [self.vm setDataReload:^{
        [weak_self reloadData];
    }];
}


- (UICollectionView *)collectV {
    if (!_collectV) {
        
        KWCustomLayout *layout = [[KWCustomLayout alloc] init];
        layout.sectionInset = UIEdgeInsetsMake(5, 20, 20, 20);
        layout.minimumLineSpacing = 10;
        layout.minimumInteritemSpacing = 10;
         layout.scrollDirection = UICollectionViewScrollDirectionVertical;
        
        UICollectionView *v = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 0, KScreenWidth, 400) collectionViewLayout:layout];
        v.delegate = self;
        v.dataSource = self;
        [v registerClass:[KWHisKeyWordCell class] forCellWithReuseIdentifier:@"cell"];
        [v registerClass:[KWNoHisWordsCell class] forCellWithReuseIdentifier:@"KWNoHisWordsCell"];
        [v registerClass:[KWHisCollectHeaderView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"header"];
        _collectV = v;
    }
    return  _collectV;
}

#pragma mark - UICollectionViewDelegate,UICollectionViewDelegateFlowLayout,UICollectionViewDataSource

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    if (self.callBack) {
        NSString *title;
        if (indexPath.section == 0) {
            title = _hisWords[indexPath.item];
            self.callBack(title);
            
        } else {
            KWSearchHotKeyModel *keyM = self.vm.hotKeys[indexPath.item];
            if (self.hotCallBack) {
                self.hotCallBack(keyM);
            }
            
        }
    }
}

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return  2;
}

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

- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section == 0 && _hisWords.count == 0) {
        KWNoHisWordsCell *ce = [collectionView dequeueReusableCellWithReuseIdentifier:@"KWNoHisWordsCell" forIndexPath:indexPath];
        return ce;
    }
    
    KWHisKeyWordCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];
    NSString *title;
    if (indexPath.section == 0) {
        title = _hisWords[indexPath.item];
        
    } else {
        title = self.vm.hotKeys[indexPath.item].title;
        
    }
    cell.titleLb.text = title;
    
    return cell;
}


- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section == 0 && _hisWords.count == 0) {
        return CGSizeMake(KScreenWidth-40, 90);
    }
    
    NSString *title;
    if (indexPath.section == 0) {
        title = _hisWords[indexPath.item];
        
    } else {
        title = self.vm.hotKeys[indexPath.item].title;
        
    }
    CGFloat wid = [title boundingRectWithSize:CGSizeMake(CGFLOAT_MAX, 34) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont fontWithName:Rob_Regular size:12]} context:nil].size.width + 12;
//    CGFloat wid = [title widthForFont:[UIFont fontWithName:Rob_Regular size:12]] + 12;
    wid = wid > KScreenWidth-40 ? KScreenWidth - 40 : wid;
    return CGSizeMake(wid, 34);
    
}

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

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
    if ([kind isEqualToString:UICollectionElementKindSectionHeader] ) {
        KWHisCollectHeaderView *header = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:@"header" forIndexPath:indexPath];
        header.titleLb.text = indexPath.section == 1 ? @"HOT SEARCH" : @"SEARCH HISTORY";
        header.imgV.hidden = indexPath.section == 1;
        header.btn.hidden = indexPath.section == 1;
        @weakify(self);
        header.callBack = ^{
            [weak_self.vm cleanLocalHisDatas];
            [weak_self reloadData];
        };
        return  header;
    }
    return nil;
}


@end