KWMCategoryVC.m

//
//  KWMCategoryVC.m
//  iCemarose
//
//  Created by HouWeiBin on 2017/6/13.
//  Copyright © 2017年 kollway. All rights reserved.
//

#import "KWMCategoryVC.h"
#import "KWMProductDetailVC.h"
#import "KWMNewProductVC.h"
#import "KWMLeftCategoryCell.h"
#import "KWMRightProductCell.h"
#import "KWMBrandsTypeModel.h"
#import "KWMSearchBar.h"
#import "KWMStringUtil.h"
#import "KWMFilterUtil.h"
#import "MJRefresh.h"

//#import <RXCollections/RXCollection.h>

@interface KWMCategoryVC ()

@property (nonatomic,weak) IBOutlet KWMCategoryFilterTab *filterTab;

@property (nonatomic,weak) IBOutlet UITableView *tbvLeftCategory;

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

@property(nonatomic) KWMCollectionRefreshUtil *refreshUtil;

@property (nonatomic) KWMSearchBar *searchBar;

@property (nonatomic) NSArray *allBrands;

@property(nonatomic) BUYCollectionSort sort;

@property(nonatomic) NSMutableArray<KWMFilter *> *selectFilters;

@property(nonatomic) NSString *selectBrands;

@end

@implementation KWMCategoryVC

- (void)awakeFromNib{
    [super awakeFromNib];
    self.title = @"分类";
}

- (void)viewDidLoad {
    [super viewDidLoad];
    [self initView];
    [self requestAllBrandsApi];
    [self.refreshUtil reLoadData];
    [self.cvRightProduct.mj_header beginRefreshing];
}

-(KWMCollectionRefreshUtil *)refreshUtil{
    if(!_refreshUtil){
        _refreshUtil = [KWMCollectionRefreshUtil new];
        _refreshUtil.collectionView = self.cvRightProduct;
        _refreshUtil.delegate = self;
        _refreshUtil.emptyMsg = @" ";
    }
    return _refreshUtil;
}

-(void)initView{
    [self initTitleView];
    [self initTbvLeft];
    [self initCvRight];
    
    self.sort = BUYCollectionSortCreatedDescending;
    self.selectBrands = @"";
}

-(void)initTbvLeft{
    self.automaticallyAdjustsScrollViewInsets = NO;
    [self.tbvLeftCategory registerNib:[UINib nibWithNibName:NSStringFromClass([KWMLeftCategoryCell class]) bundle:nil] forCellReuseIdentifier:NSStringFromClass([KWMLeftCategoryCell class])];
}

-(void)initCvRight{
    [self.cvRightProduct registerNib:[UINib nibWithNibName:NSStringFromClass([KWMRightProductCell class]) bundle:nil] forCellWithReuseIdentifier:NSStringFromClass([KWMRightProductCell class])];
    self.filterTab.delegate = self;
}

- (void)initTitleView{
    [self.navigationController setNavigationBarHidden:YES];
    //添加頭部header
    self.searchBar = [[KWMSearchBar alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 64)];
//    self.searchBar.delegate = self;
    [self.view addSubview:_searchBar];
}

#pragma mark - UITableViewDataSource
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    KWMLeftCategoryCell *categoryCell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass([KWMLeftCategoryCell class]) forIndexPath:indexPath];
    return categoryCell;
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return 20;
}

-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
    return 0.01;
}

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

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    NSInteger width = ( (UI_SCREEN_WIDTH - 90) - 8*2)/2;
    NSInteger height = width * 160 / 114 ;
    CGSize size = CGSizeMake(width, height);
    return size;
}

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

-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
    return self.refreshUtil.dataList.count;
}

#pragma mark - UICollectionViewDelegate
-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    KWMNewProductVC *productDetailVC = (KWMNewProductVC *)[KWMNewProductVC findControllerBy:[KWMNewProductVC kwmTag] fromStoryboard:@"NewProduct"];
    BUYProduct *product = (BUYProduct *)[self.refreshUtil.dataList objectAtIndex:indexPath.row];
    productDetailVC.product = product;
    [self.navigationController pushViewController:productDetailVC animated:YES];
}

#pragma mark - KWMCollectionRefreshDelegate
-(void)refreshUtil:(KWMCollectionRefreshUtil *)util onLoad:(NSInteger)page{
    [self requestProducts:page];
}

#pragma mark - CategoryFilterTabDelegate
-(void)kwm_onClickTab:(KWMFilterMode)filterMode isExpandView:(BOOL)isExpand{
    KWMBaseVC *tragetVC;
    if(filterMode == ModeBrand){
        KWMBrandFilterVC *brandFilterVC = (KWMBrandFilterVC *)[KWMBaseVC findControllerBy:[KWMBrandFilterVC kwmTag] fromStoryboard:@"Category"];
        brandFilterVC.brandArray = self.allBrands;
        brandFilterVC.delegate = self;
        brandFilterVC.selectBrand = self.selectBrands;
        tragetVC = brandFilterVC;
    }else{
        KWMProductFilterVC *productFilterVC = (KWMProductFilterVC *)[KWMBaseVC findControllerBy:[KWMProductFilterVC kwmTag] fromStoryboard:@"Category"];
        productFilterVC.filterMode = filterMode;
        productFilterVC.delegate = self;
        productFilterVC.selectedSort = self.sort;
        productFilterVC.selectedTags = self.selectFilters;
        tragetVC = productFilterVC;
    }
    CGSize size = [UIScreen mainScreen].bounds.size;
    [self showPresentation:tragetVC size:size tapOutsideClose:YES style:MZFormSheetPresentationTransitionStyleFade];
}

#pragma mark -
-(void)kwm_onCompleProductFilter:(KWMFilterView *)filterView{
    self.selectFilters = filterView.selectedTags;
    self.sort = filterView.selectedSort;
    [self.filterTab close];
    [self.refreshUtil reLoadData];
    [self.cvRightProduct.mj_header beginRefreshing];
    [self.cvRightProduct setContentOffset:CGPointMake(0,0) animated:YES];
}

-(void)kwm_onCancelProductFilter:(KWMFilterView *)filterView{
    [self.filterTab close];
}

#pragma mark - 
-(void)kwm_onCompleteBrandFilter:(NSString *)selectBrand{
    self.selectBrands = selectBrand;
    [self.filterTab close];
    [self.refreshUtil reLoadData];
    [self.cvRightProduct.mj_header beginRefreshing];
    [self.cvRightProduct setContentOffset:CGPointMake(0,0) animated:YES];
}

-(void)kwm_onCancelBrandFilter{
    [self.filterTab close];
}

#pragma mark - API KWMAPIManager.h
-(void)requestAllBrandsApi{
    __weak KWMCategoryVC *weakSelf = self;
    void(^failure)(NSURLSessionDataTask *,NSError *) = ^(NSURLSessionDataTask *task,NSError *error){
        [weakSelf showError:error];
    };
    void(^success)(NSURLSessionDataTask *,KWMBrandsResult *) = ^(NSURLSessionDataTask *task,KWMBrandsResult *result){
        if([weakSelf hasCemaroseError:result]){
            return ;
        }
        self.allBrands = result.brands;
    };
    [self.api getAllBrand:nil success:success failure:failure];
}

#pragma mark - API BUYClient+Storefront.h
-(void)requestProducts:(NSInteger)page{
    __weak KWMCategoryVC *weakSelf = self;
    self.filterTab.userInteractionEnabled = false;
    
    NSMutableArray *tags = [KWMFilterUtil getTagsByFilterArray:self.selectFilters];
    if(![KWMStringUtil isEmpty:self.selectBrands]){
        [tags addObject:self.selectBrands];
    }
    
    [self.client getProductsPage:page inCollection:@(Collection_All_ID) withTags:tags sortOrder:self.sort completion:^(NSArray *products,NSUInteger page, BOOL reachedEnd, NSError *error){
        [weakSelf.refreshUtil hideLoading];
        weakSelf.filterTab.userInteractionEnabled = true;

        if(error){
            [weakSelf showError:error];
        }
        else{
            weakSelf.refreshUtil.page = page;
            weakSelf.refreshUtil.hasNextPage = !reachedEnd;
            [weakSelf.refreshUtil appendDataList:products];
        }
    }];
}



@end