#import "HotTopicBannerView.h"

#import "SMPageControl.h"

#import "AutoSlideScrollView.h"

@interface HotTopicBannerView ()

@property (strong, nonatomic) SMPageControl *myPageControl;

@property (strong, nonatomic) AutoSlideScrollView *mySlideView;

@property (strong, nonatomic) NSMutableArray *imageViewList;

@implementation HotTopicBannerView

- (instancetype)init

{

self = [super init];

if (self) {

[self setSize:CGSizeMake(kScreen_Width, self.height)];

}

return self;

}

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

_curBannerList = curBannerList;

if (!_myPageControl) {

_myPageControl = ({

SMPageControl *pageControl = [[SMPageControl alloc] init];

pageControl.userInteractionEnabled = NO;

pageControl.backgroundColor = [UIColor clearColor];

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

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

pageControl.frame = CGRectMake(0, 0, kScreen_Width, 0);

pageControl.numberOfPages = _curBannerList.count;

pageControl.currentPage = 0;

pageControl.alignment = SMPageControlAlignmentRight;

pageControl;

});

[self addSubview:_myPageControl];

}

if (!_mySlideView) {

_mySlideView = ({

__weak typeof(self) weakSelf = self;

AutoSlideScrollView *slideView = [[AutoSlideScrollView alloc] initWithFrame:CGRectMake(0, 0, kScreen_Width, self.height) 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) {

UIImageView *imageView = [weakSelf p_reuseViewForIndex:pageIndex];

NSDictionary *curBanner = weakSelf.curBannerList[pageIndex];

[imageView sd_setImageWithURL:[curBanner[@"image_url"] urlWithCodePath]];

return imageView;

}else{

return [UIView new];

}

};

slideView.currentPageIndexChangeBlock = ^(NSInteger currentPageIndex){

weakSelf.myPageControl.currentPage = currentPageIndex;

};

slideView.tapActionBlock = ^(NSInteger pageIndex){

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

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

}

};

slideView;

});

[self addSubview:_mySlideView];

}

[self reloadData];

NSLog(@"%@", _curBannerList);

}

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

if (!_imageViewList) {

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

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

UIImageView *view = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.width,self.height)];

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

view.clipsToBounds = YES;

view.contentMode = UIViewContentModeScaleAspectFill;

[_imageViewList addObject:view];

}

}

UIImageView *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) ;

_myPageControl.numberOfPages = _curBannerList.count;

_myPageControl.currentPage = currentPageIndex;

[_mySlideView reloadData];

}