KouDaiProject/YouHuiProject/YouHui/MineChildPage/MyCouple/KBMyCoupleVi...

//
//  KBMyCoupleViewController.m
//  YouHuiProject
//
//  Created by 小花 on 2018/11/8.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "KBMyCoupleViewController.h"
#import "KBNativeShopCarCollectionCell.h"
#import "KBGoodDetailViewController.h"
#import "KBMyCoupleHeader.h"
#import "KBNoDataMsgView.h"

static NSString *shopCarHorizontalGoodCell = @"shopCarHorizontalGoodCell";
static NSString *MyCoupleHeader   = @"MyCoupleHeader";
@interface KBMyCoupleViewController ()
<
UICollectionViewDelegate,
UICollectionViewDataSource,
UICollectionViewDelegateFlowLayout
>
{
    NSInteger _page;
    ActivityIndicatorView *_indicatorView;
}

@property (nonatomic, strong) UICollectionView          *collectionView;
@property (nonatomic, strong) NSMutableArray            *dataArray;
@property (nonatomic, strong) KBNoDataMsgView           *noDataView;
@end

@implementation KBMyCoupleViewController

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    _page = 1;
    [self initSubViews];
    [self configNavigationBar];
    [self requestGoods];
}

- (void)configNavigationBar {
    
    [self.navigationBar setNavTitle:@"我的优惠券"];
    self.navigationBar.backgroundColor = [UIColor changeColor];
    self.navigationBar.navTitleLabel.textColor = [UIColor whiteColor];
    UIButton *leftBtn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40, 40)];
    [leftBtn setImage:[UIImage imageNamed:@"back_white"] forState:UIControlStateNormal];
    [leftBtn addTarget:self action:@selector(backAction) forControlEvents:UIControlEventTouchUpInside];
    [self.navigationBar setCustomLeftButtons:@[leftBtn]];
}

- (void)backAction {
    [self.navigationController popViewControllerAnimated:YES];
}


- (void)initSubViews {
    
    UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc]init];
    self.collectionView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, NavBarHeight, SCREEN_WIDTH, SCREEN_HEIGHT-NavBarHeight) collectionViewLayout:flowLayout];
    flowLayout.minimumLineSpacing = 5;
    flowLayout.minimumInteritemSpacing = 1;
    self.collectionView.showsVerticalScrollIndicator=NO;
    self.collectionView.showsHorizontalScrollIndicator=NO;
    self.collectionView.backgroundColor = [UIColor yhGrayColor];
    self.collectionView.dataSource = self;
    self.collectionView.delegate = self;
    [self.collectionView registerClass:[KBNativeShopCarCollectionCell class] forCellWithReuseIdentifier:shopCarHorizontalGoodCell];
    [self.collectionView registerClass:[KBMyCoupleHeader class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:MyCoupleHeader];
    [self.view addSubview:self.collectionView];
    
    MJRefreshNormalHeader *refreshHeader = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
        _page = 1;
        [self.collectionView.mj_footer resetNoMoreData];
        [self requestGoods];
    }];
    refreshHeader.lastUpdatedTimeLabel.hidden=YES;
    [refreshHeader setTitle:@"数据正在刷新" forState:MJRefreshStateRefreshing];
    self.collectionView.mj_header = refreshHeader;
    
    self.collectionView.mj_footer = [MJRefreshBackNormalFooter footerWithRefreshingBlock:^{
        _page++;
        [self requestGoods];
    }];
    
    ActivityIndicatorView *indicatorView = [ActivityIndicatorView showInView:self.view frame:CGRectMake(0, NavBarHeight, SCREEN_WIDTH, SCREEN_HEIGHT-NavBarHeight)];
    _indicatorView = indicatorView;
    
    [self.collectionView addSubview:self.noDataView];
}




/**
 加载购物车数据
 */
- (void)requestGoods {
    NSString *url = [NSString stringWithFormat:@"%@/api/v2/goods/myCouponList",BaseURL];
    
    [KBHttp post:url params:@{@"page":@(_page)} success:^(id json) {
        if ([self.collectionView.mj_header isRefreshing]) {
            [self.dataArray removeAllObjects];
        }

        
        NSArray *list = json[@"data"];
        for (NSDictionary *dict in list) {
            NSArray *arr = [NSArray yy_modelArrayWithClass:[KBChildGoodModel class] json:dict[@"goodsList"]];
            [self.dataArray addObject:arr];
        }
        if (_page == 1 && list.count==0) {
            self.noDataView.hidden = NO;
        }else {
            self.noDataView.hidden = YES;
        }
        if (list.count > 0) {
            [self.collectionView.mj_footer endRefreshing];
        }else {
            [self.collectionView.mj_footer endRefreshingWithNoMoreData];
        }
        [self.collectionView.mj_header endRefreshing];
        [self.collectionView reloadData];
        [_indicatorView stopAnimating];
    } failure:^(NSError *error) {
        
    }];
}


#pragma mark ---
#pragma mark ============ UICollectionView Delegate &&  DataSource ==========
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    
    NSArray *array = self.dataArray[section];
    return array.count;
}

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return self.dataArray.count;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    return CGSizeMake(SCREEN_WIDTH-20, 88);
}



- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
{
    if (section == 0) {
        return CGSizeMake(SCREEN_WIDTH-20, 45);
    }
    return CGSizeMake(SCREEN_WIDTH-20, 35);
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section
{
    return CGSizeMake(SCREEN_WIDTH, 10);
}


- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    
    KBNativeShopCarCollectionCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:shopCarHorizontalGoodCell forIndexPath:indexPath];
    KBChildGoodModel *model = self.dataArray[indexPath.section][indexPath.row];
    cell.model = model;
    
    return cell;
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath{
    
    KBMyCoupleHeader *header = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:MyCoupleHeader forIndexPath:indexPath];
    KBChildGoodModel *model = self.dataArray[indexPath.section][indexPath.row];
    [header setDateWith:model.getCouponTime];
    return header;
}

#pragma mark -内边距
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
    return UIEdgeInsetsMake(0, 5, 0, 5);
}

#pragma mark -行间距
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section {
    
    return 0;
}


- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    KBChildGoodModel *model = self.dataArray[indexPath.section][indexPath.row];
    KBGoodDetailViewController *detail = [[KBGoodDetailViewController alloc] init];
    DetailRequestModel *requesModel = [[DetailRequestModel alloc] initWithChildModel:model];
    detail.requestModel = requesModel;
    [self.navigationController pushViewController:detail animated:YES];
}



- (NSMutableArray *)dataArray {
    if (!_dataArray) {
        _dataArray = [NSMutableArray array];
    }
    return _dataArray;
}

- (KBNoDataMsgView *)noDataView {
    if (!_noDataView) {
        _noDataView = [[KBNoDataMsgView alloc] initWithFrame:self.collectionView.bounds title:@"没有找到你领取的优惠券"];
        _noDataView.hidden = YES;
    }
    return _noDataView;
}

@end