//
//  KBCategorySelectView.m
//  YouHuiProject
//
//  Created by 小花 on 2018/10/9.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "KBCategorySelectView.h"

#define kWidth                      [UIScreen mainScreen].bounds.size.width
#define kHeight                     [UIScreen mainScreen].bounds.size.height-200
#define RGBColor(r,g,b,a)           ([UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a])

@interface KBCategorySelectView ()<UICollectionViewDelegate,UICollectionViewDataSource> {
    NSInteger _selectedIndex;
}
@property (nonatomic, strong) UIView *alphaView;
@property (nonatomic, strong) UIView *bgView;
@property (nonatomic, strong) NSArray *dataArr;
@property (nonatomic, strong) UICollectionView *collectionView;
@end

@implementation KBCategorySelectView

- (instancetype)initWithmodels:(NSArray *)models delegate:(id<CategoryPopViewDelegate>)delegate selectedIndex:(NSInteger)index superVc:(id)superVc{
    self = [super init];
    if (self) {
        _selectedIndex = index;
        self.dataArr = [NSArray arrayWithArray:models];
        if (delegate) {
            self.delegate = delegate;
        }
        [self initUIWithSuperVc:superVc];
    }
    return self;
}

- (void)initUIWithSuperVc:(KBBaseViewController *)superVc {
    self.userInteractionEnabled = YES;
    self.backgroundColor = [UIColor clearColor];
    self.frame = CGRectMake(0, superVc.navigationBar.bottom, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height-NavBarHeight);
    _alphaView = [[UIView alloc] initWithFrame:self.bounds];
    _alphaView.backgroundColor = [UIColor clearColor];
    _alphaView.alpha = 0.0;
    UIToolbar *toolBar = [[UIToolbar alloc] initWithFrame:_alphaView.bounds];
    [_alphaView addSubview:toolBar];
    
    [self addSubview:_alphaView];
    [self sendSubviewToBack:_alphaView];
    [_alphaView setAutoresizingMask:UIViewAutoresizingFlexibleWidth |UIViewAutoresizingFlexibleHeight];
    [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth |UIViewAutoresizingFlexibleHeight];
    self.autoresizesSubviews = YES ;
    _alphaView.autoresizesSubviews = YES ;
    //取消
    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tappedCancel)];
    [_alphaView addGestureRecognizer:tapGesture];
    
    NSInteger row = self.dataArr.count%4 == 0 ? self.dataArr.count/4:self.dataArr.count/4+1;
    row = row > 5? 5:row;
    CGFloat bgHeight = row * Fitsize(40) + 40;
    
    _bgView = [[UIView alloc] initWithFrame:CGRectMake(0, -(NavBarHeight+kHeight), kWidth, bgHeight)];
    UIView *line = [[UIView alloc] initWithFrame:CGRectMake(0, 40, SCREEN_WIDTH, 0.5)];
    line.backgroundColor = [UIColor yhGrayColor];
    [_bgView addSubview:line];
    
    UILabel *title = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 200, 40)];
    title.textColor = [UIColor YHColorWithHex:0x666666];
    title.font = [UIFont systemFontOfSize:14];
    title.text = @"全部分类";
    title.centerX = _bgView.centerX;
    title.textAlignment = NSTextAlignmentCenter;
    [_bgView addSubview:title];
    
    UIButton *cancelBtn = [[UIButton alloc] initWithFrame:CGRectMake(self.width-40, 0, 40, 40)];
    [cancelBtn setImage:[UIImage imageNamed:@"close"] forState:UIControlStateNormal];
    [cancelBtn addTarget:self action:@selector(tappedCancel) forControlEvents:UIControlEventTouchUpInside];
    [_bgView addSubview:cancelBtn];
    
    
    _bgView.backgroundColor = [UIColor whiteColor];
    [self addSubview:_bgView];
    
    UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc]init];
    flowLayout.itemSize = CGSizeMake((SCREEN_WIDTH)/4, Fitsize(40));
    flowLayout.minimumLineSpacing = 0;
    flowLayout.minimumInteritemSpacing = 0;
    flowLayout.headerReferenceSize = CGSizeMake(0, 0);
    self.collectionView = [[UICollectionView alloc]initWithFrame:_bgView.bounds collectionViewLayout:flowLayout];
    [self.collectionView registerClass:[CategoryPopTypeCell class] forCellWithReuseIdentifier:@"CategoryPopTypeCell"];
    self.collectionView.backgroundColor = [UIColor whiteColor];
    self.collectionView.scrollEnabled = NO;
    self.collectionView.showsVerticalScrollIndicator = NO;
    self.collectionView.delegate = self;
    self.collectionView.dataSource = self;
    self.collectionView.y = 40;
    self.collectionView.height -= 40;
    self.collectionView.allowsMultipleSelection = YES;
    [_bgView addSubview: self.collectionView];
    
    [self.collectionView reloadData];
    
    
}

- (void)showInView:(UIView *)view belowSubView:(UIView *)subView {
    [view insertSubview:self belowSubview:subView];
    [UIView animateWithDuration:0.35 animations:^{
        _alphaView.alpha = 1;
        _bgView.y = 0;
    } completion:^(BOOL finished) {
        if (self.dataArr && self.dataArr.count>0) {
            [self.collectionView selectItemAtIndexPath:[NSIndexPath indexPathForRow:_selectedIndex inSection:0] animated:NO scrollPosition:UICollectionViewScrollPositionCenteredVertically];
        }
    }];
}

- (void)tappedCancel {
    [UIView animateWithDuration:0.35 animations:^{
        _alphaView.alpha = 0.0;
        _bgView.y = -(NavBarHeight+kHeight);
    } completion:^(BOOL finished) {
        [self removeFromSuperview];
    }];
}

- (void)didMoveToSuperview {
    
}

#pragma mark -----------------

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

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    CategoryPopTypeCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"CategoryPopTypeCell" forIndexPath:indexPath];
    cell.model = self.dataArr[indexPath.row];
    return cell;
}


- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
   
    if (self.delegate && [self.delegate respondsToSelector:@selector(CategoryPopViewDidSelectedIndex:)]) {
        [self.delegate CategoryPopViewDidSelectedIndex:indexPath.row];
    }
    
    [self tappedCancel];
}



@end


#pragma mark =====================
#pragma mark ------------------

@interface CategoryPopTypeCell()



@end

@implementation CategoryPopTypeCell


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

- (void)setSelected:(BOOL)selected {
    if (selected) {
        self.label.textColor = [UIColor homeRedColor];
    }else {
        self.label.textColor = [UIColor YHColorWithHex:0x444444];
    }
}

- (void)setModel:(KBCategoryChannelModel *)model {
    self.label.text = model.name;
}

- (void)makeUI {
    [self addSubview:self.label];
    
    [self.label mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.mas_equalTo(0);
        make.left.right.mas_equalTo(0);
        make.bottom.mas_equalTo(0);
    }];
    
}


- (UILabel *)label {
    if (!_label) {
        _label = [[UILabel alloc] init];
        _label.textAlignment = NSTextAlignmentCenter;
        _label.font = [UIFont systemFontOfSize:Fitsize(10)];
        _label.textColor = [UIColor YHColorWithHex:0x444444];
    }
    return _label;
}





@end