//
//  KWMRecommendHeader.m
//  iCemarose
//
//  Created by HouWeiBin on 2017/7/10.
//  Copyright © 2017年 kollway. All rights reserved.
//

#import "KWMRecommendHeader.h"
#import "KWMCollectionCell.h"

@interface KWMRecommendHeader()

@property (nonatomic,weak) IBOutlet UIView *vView;

@property (nonatomic,weak) IBOutlet UICollectionView *cvRecommend;

@end

@implementation KWMRecommendHeader

+(NSString *)kwmTag{
    return @"KWMRecommendHeader";
}

- (id)init{
    if (self=[super init]){
        [self addView];
    }
    return self;
}

- (id)initWithCoder:(NSCoder *)aDecoder {
    self = [super initWithCoder:aDecoder];
    if (self) {
        [self addView];
    }
    return self;
}

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

-(void)addView{
    [[NSBundle mainBundle] loadNibNamed:NSStringFromClass([self class])
                                  owner:self
                                options:nil];
    
    self.vView.frame = CGRectMake(0, 0, self.frame.size.width, self.frame.size.height);
    [self addSubview:self.vView];
    [self initView];
}

-(void)initView{
    self.cvRecommend.delegate = self;
    self.cvRecommend.dataSource = self;
    
    [self.cvRecommend registerNib:[UINib nibWithNibName:NSStringFromClass([KWMCollectionCell class]) bundle:nil] forCellWithReuseIdentifier:NSStringFromClass([KWMCollectionCell class])];
    
    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
    layout.minimumLineSpacing = 0;
    layout.sectionInset = UIEdgeInsetsMake(0, 20, 0, 0);
    layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
    self.cvRecommend.collectionViewLayout = layout;
}

-(void)setProductArray:(NSArray *)productArray{
    _productArray = productArray;
    [self.cvRecommend reloadData];
}

#pragma mark - UICollectionViewDataSource
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
    KWMCollectionCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([KWMCollectionCell class]) forIndexPath:indexPath];
    
    BUYProduct *product = [self.productArray objectAtIndex:indexPath.row];
    [cell setData:product];
    
    return cell;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    CGSize size = CGSizeMake(134, 180);
    return size;
}

-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
    return 1;
}

-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
    return self.productArray?self.productArray.count:0;
}

-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    [collectionView deselectItemAtIndexPath:indexPath animated:YES];
    BUYProduct *product = [self.productArray objectAtIndex:indexPath.row];
    if(self.delegate){
        [self.delegate kwm_onClickProduct:product];
    }
}

@end