duoshoubang/FirstLink/Compoments/个人模块/购买会员/View/FKVipPrivile...

//
//  FKVipPrivilegeDetailCell.m
//  FirstLink
//
//  Created by ascii on 2017/5/18.
//  Copyright © 2017年 FirstLink. All rights reserved.
//

#import "FKVipPrivilegeDetailCell.h"
#import "FKVipPrivilegeDetailCollectionCell.h"

#import "FKVipBuyRuleItem.h"


static NSString * const kLeftFixSpaceString = @"  ";
static NSString * const kRightFixSpaceString = @"   ";

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

@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) NSArray<FKVipBuyRuleItem *> *buyRuleArray;
@property (nonatomic, strong) NSArray *titleArray;

@end

@implementation FKVipPrivilegeDetailCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        self.selectionStyle = UITableViewCellSelectionStyleNone;
        
        [self setupViews];
    }
    return self;
}

#pragma mark - UICollectionViewDataSource, UICollectionViewDelegate

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return 4 + 4*self.buyRuleArray.count;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    return CGSizeMake([FKVipPrivilegeDetailCell widthForCellAtIndex:indexPath.row], [FKVipPrivilegeDetailCell heightForCellAtIndex:indexPath.row]);
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    FKVipPrivilegeDetailCollectionCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([FKVipPrivilegeDetailCollectionCell class])
                                                                                         forIndexPath:indexPath];
    
    if (indexPath.row < 4) {
        NSString *title = self.titleArray[indexPath.row];
        if (indexPath.row < 2) {
            cell.titleLabel.text = [NSString stringWithFormat:@"%@%@", kLeftFixSpaceString, title];
        } else {
            cell.titleLabel.text = [NSString stringWithFormat:@"%@%@", kRightFixSpaceString, title];
        }
    } else {
        NSInteger index = indexPath.row/4 - 1;
        if (index >= 0 && index < self.buyRuleArray.count) {
            FKVipBuyRuleItem *item = self.buyRuleArray[index];
            switch (indexPath.row%4) {
                case 0: {
                    cell.titleLabel.text = [NSString stringWithFormat:@"%@%@", kLeftFixSpaceString, [item couponString]];
                    break;
                }
                case 1: {
                    cell.titleLabel.text = [NSString stringWithFormat:@"%@%@", kLeftFixSpaceString, [item discountString]];
                    break;
                }
                case 2: {
                    cell.titleLabel.text = [NSString stringWithFormat:@"%@%@", kRightFixSpaceString, [item validTimeString]];
                    break;
                }
                case 3: {
                    cell.titleLabel.text = [NSString stringWithFormat:@"%@%@", kRightFixSpaceString, item.realPrice];
                    break;
                }
                default:
                    break;
            }
        }
    }
    
    return cell;
}



#pragma mark - Action

- (void)reloadData:(NSArray<FKVipBuyRuleItem *> *)buyRuleArray {
    self.buyRuleArray = buyRuleArray;
    [self.collectionView reloadData];
}

#pragma mark - Method

+ (CGFloat)widthForCellAtIndex:(NSInteger)index {
    if (index%4 >= 2) {
        return 60;
    }
    return (int)((UISCREENWIDTH - 2*18 - 2*60)/2);
}

+ (CGFloat)heightForCellAtIndex:(NSInteger)index {
    if (index < 4) {
        return 37;
    }
    return 36;
}

- (CGFloat)margin {
    return (float)(UISCREENWIDTH - 2*[FKVipPrivilegeDetailCell widthForCellAtIndex:0] - 2*[FKVipPrivilegeDetailCell widthForCellAtIndex:3])/2.0;
}

- (void)setupViews {
    [self.contentView addSubview:self.titleLabel];
    [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.contentView).offset(18);
        make.top.equalTo(self.contentView).offset(24);
    }];
    
    [self.contentView addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.contentView).offset([self margin]);
        make.right.equalTo(self.contentView).offset(-[self margin]);
        make.top.equalTo(self.titleLabel.mas_bottom).offset(20);
        make.height.mas_equalTo(37+36*3);
    }];
}

#pragma mark - Property

- (UILabel *)titleLabel {
    if (!_titleLabel) {
        _titleLabel = [UILabel new];
        _titleLabel.font = [UIFont systemFontOfSize:14];
        _titleLabel.textColor = UIColorFromRGB(0x333333);
        _titleLabel.text = @"会员使用说明:";
    }
    return _titleLabel;
}

- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [UICollectionViewFlowLayout new];
        layout.minimumLineSpacing          = CGFLOAT_MIN;
        layout.minimumInteritemSpacing     = CGFLOAT_MIN;
        
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.showsVerticalScrollIndicator = NO;
        _collectionView.alwaysBounceVertical = YES;
        
        _collectionView.dataSource = self;
        _collectionView.delegate = self;
        
        _collectionView.backgroundColor = UIColorFromRGB(0xffffff);
        _collectionView.contentInset = UIEdgeInsetsZero;
        _collectionView.scrollEnabled = NO;
        
        [_collectionView registerClass:[FKVipPrivilegeDetailCollectionCell class]
            forCellWithReuseIdentifier:NSStringFromClass([FKVipPrivilegeDetailCollectionCell class])];
        
        _collectionView.layer.borderColor = UIColorFromRGB(0xe5e5e5).CGColor;
        _collectionView.layer.borderWidth = 1.0/[UIScreen mainScreen].scale;
    }
    return _collectionView;
}

- (NSArray *)titleArray {
    if (!_titleArray) {
        _titleArray = @[@"包邮券", @"会员价", @"有效期", @"价格"];
    }
    return _titleArray;
}

@end