#import "CodingBannersView.h"

#import "SMPageControl.h"

#import "AutoSlideScrollView.h"

#import "YLImageView.h"

@interface CodingBannersView ()

@property (assign, nonatomic) CGFloat padding_top, padding_bottom, image_width, ratio;

@property (strong, nonatomic) UILabel *typeLabel, *titleLabel;

@property (strong, nonatomic) SMPageControl *myPageControl;

@property (strong, nonatomic) AutoSlideScrollView *mySlideView;

@property (strong, nonatomic) NSMutableArray *imageViewList;

@implementation CodingBannersView

- (instancetype)init

{

self = [super init];

if (self) {

self.backgroundColor = kColorTableBG;

_padding_top = 0;

_padding_bottom = 40;

_image_width = kScreen_Width;

_ratio = 0.4;

CGFloat viewHeight = _padding_top + _padding_bottom + _image_width * _ratio;

[self setSize:CGSizeMake(kScreen_Width, viewHeight)];

[self addLineUp:NO andDown:YES];

}

return self;

}

- (void)setCurBannerList:(NSArray *)curBannerList{

if ([[_curBannerList valueForKey:@"title"] isEqualToArray:[curBannerList valueForKey:@"title"]]) {

return;

}

_curBannerList = curBannerList;

if (!_mySlideView) {

_mySlideView = ({

__weak typeof(self) weakSelf = self;

AutoSlideScrollView *slideView = [[AutoSlideScrollView alloc] initWithFrame:CGRectMake(0, _padding_top, _image_width, _image_width * _ratio) animationDuration:5.0];

slideView.layer.masksToBounds = YES;

slideView.scrollView.scrollsToTop = NO;

slideView.totalPagesCount = ^NSInteger(){

return weakSelf.curBannerList.count;

};

slideView.fetchContentViewAtIndex = ^UIView *(NSInteger pageIndex){

if (weakSelf.curBannerList.count > pageIndex) {

YLImageView *imageView = [weakSelf p_reuseViewForIndex:pageIndex];

CodingBanner *curBanner = weakSelf.curBannerList[pageIndex];

[imageView sd_setImageWithURL:[curBanner.image urlWithCodePath]];

return imageView;

}else{

return [UIView new];

}

};

slideView.currentPageIndexChangeBlock = ^(NSInteger currentPageIndex){

if (weakSelf.curBannerList.count > currentPageIndex) {

CodingBanner *curBanner = weakSelf.curBannerList[currentPageIndex];

weakSelf.typeLabel.text = curBanner.displayName;

weakSelf.titleLabel.text = curBanner.title;

}else{

weakSelf.typeLabel.text = weakSelf.titleLabel.text = @"... ";

}

weakSelf.myPageControl.currentPage = currentPageIndex;

};

slideView.tapActionBlock = ^(NSInteger pageIndex){

if (weakSelf.tapActionBlock && weakSelf.curBannerList.count > pageIndex) {

weakSelf.tapActionBlock(weakSelf.curBannerList[pageIndex]);

}

};

slideView;

});

[self addSubview:_mySlideView];

}

if (!_myPageControl) {

_myPageControl = ({

SMPageControl *pageControl = [[SMPageControl alloc] initWithFrame:CGRectMake(kScreen_Width - kPaddingLeftWidth - 30, _mySlideView.bottom + (40 - 10)/2, 30, 10)];

pageControl.userInteractionEnabled = NO;

pageControl.backgroundColor = [UIColor clearColor];

pageControl.pageIndicatorImage = [UIImage imageNamed:@"banner__page_unselected"];

pageControl.currentPageIndicatorImage = [UIImage imageNamed:@"banner__page_selected"];

pageControl.numberOfPages = _curBannerList.count;

pageControl.currentPage = 0;

pageControl.alignment = SMPageControlAlignmentRight;

pageControl;

});

[self addSubview:_myPageControl];

}

if (!_typeLabel) {

_typeLabel = ({

UILabel *label = [UILabel labelWithFont:[UIFont systemFontOfSize:10] textColor:kColor666];

[label setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];

[label setContentCompressionResistancePriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];

[label doBorderWidth:0.5 color:nil cornerRadius:2.0];

label.textAlignment = NSTextAlignmentCenter;

label.text = @"活动 ";

label;

});

_typeLabel.text = [(CodingBanner *)_curBannerList.firstObject displayName];

[self addSubview:_typeLabel];

}

if (!_titleLabel) {

_titleLabel = [UILabel labelWithFont:[UIFont systemFontOfSize:12] textColor:kColor222];

_titleLabel.text = [(CodingBanner *)_curBannerList.firstObject title];

[self addSubview:_titleLabel];

}

[_typeLabel mas_makeConstraints:^(MASConstraintMaker *make) {

make.left.equalTo(self).offset(kPaddingLeftWidth);

make.centerY.equalTo(_myPageControl);

make.height.mas_equalTo(18);

}];

[_titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {

make.left.equalTo(_typeLabel.mas_right).offset(5);

make.right.equalTo(_myPageControl.mas_left).offset(-5);

make.centerY.equalTo(_myPageControl);

}];

[self reloadData];

NSLog(@"%@", _curBannerList);

}

- (YLImageView *)p_reuseViewForIndex:(NSInteger)pageIndex{

if (!_imageViewList) {

_imageViewList = [[NSMutableArray alloc] initWithCapacity:3];

for (int i = 0; i < 3; i++) {

YLImageView *view = [[YLImageView alloc] initWithFrame:CGRectMake(kPaddingLeftWidth, _padding_top, _image_width, _image_width * _ratio)];

view.backgroundColor = [UIColor colorWithHexString:@"0xe5e5e5"];

view.clipsToBounds = YES;

view.contentMode = UIViewContentModeScaleAspectFill;

[_imageViewList addObject:view];

}

}

YLImageView *imageView;

NSInteger currentPageIndex = self.mySlideView.currentPageIndex;

if (pageIndex == currentPageIndex) {

imageView = _imageViewList[1];

}else if (pageIndex == currentPageIndex + 1

|| (labs(pageIndex - currentPageIndex) > 1 && pageIndex < currentPageIndex)){

imageView = _imageViewList[2];

}else{

imageView = _imageViewList[0];

}

return imageView;

}

- (void)reloadData{

self.hidden = _curBannerList.count <= 0;

if (_curBannerList.count <= 0) {

return;

}

NSInteger currentPageIndex = MIN(self.mySlideView.currentPageIndex, _curBannerList.count - 1) ;

CodingBanner *curBanner = _curBannerList[currentPageIndex];

_titleLabel.text = curBanner.title;

_typeLabel.text = curBanner.displayName;

_myPageControl.numberOfPages = _curBannerList.count;

_myPageControl.currentPage = currentPageIndex;

[_mySlideView reloadData];

}