//
//  XPMonentsRecommendHeaderView.m
//  xplan-ios
//
//  Created by 冯硕 on 2022/5/18.
//

#import "XPMonentsRecommendHeaderView.h"
///Third
#import <Masonry/Masonry.h>
///Tool
#import "ThemeColor.h"
#import "NSArray+Safe.h"
///Model
#import "MonentsTopicModel.h"
///View
#import "XPMonentsTopicCollectionViewCell.h"

@interface XPMonentsRecommendHeaderView	 ()<UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>
///显示标题
@property (nonatomic,strong) UILabel *titleLabel;
///显示箭头
@property (nonatomic,strong) UIButton *arrowButton;
///列表
@property (nonatomic,strong) UICollectionView *collectionView;

@end

@implementation XPMonentsRecommendHeaderView

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

#pragma mark - Private Method
- (void)initSubViews {
	self.backgroundColor = [ThemeColor appCellBackgroundColor];
	[self addSubview:self.titleLabel];
	[self addSubview:self.arrowButton];
	[self addSubview:self.collectionView];
}

- (void)initSubViewConstraints {
	[self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
		make.left.mas_equalTo(self).offset(15);
		make.top.mas_equalTo(self).offset(15);
	}];
	
	[self.arrowButton mas_makeConstraints:^(MASConstraintMaker *make) {
		make.size.mas_equalTo(CGSizeMake(11, 20));
		make.centerY.mas_equalTo(self.titleLabel);
		make.right.mas_equalTo(self).offset(-15);
	}];
	
	[self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.left.right.mas_equalTo(self);
		make.top.mas_equalTo(self.titleLabel.mas_bottom).offset(10);
		make.height.mas_equalTo(77);
	}];
}

#pragma mark - UICollectionViewDelegate And UICollectionViewDatasource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
	return self.topicList.count;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
	return CGSizeMake(125, 77);
}

- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
	XPMonentsTopicCollectionViewCell * cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([XPMonentsTopicCollectionViewCell class]) forIndexPath:indexPath];
	cell.topicInfo = [self.topicList safeObjectAtIndex1:indexPath.row];
	return cell;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
	[collectionView deselectItemAtIndexPath:indexPath animated:YES];
	if (self.topicList.count > 0) {
		MonentsTopicModel * topicInfo = [self.topicList safeObjectAtIndex1:indexPath.row];
		if (self.delegate && [self.delegate respondsToSelector:@selector(xPMonentsRecommendHeaderView:didSelectItem:)]) {
			[self.delegate xPMonentsRecommendHeaderView:self didSelectItem:topicInfo];
		}
	}
}

#pragma mark - Event Response
- (void)arrowButtonAction:(UIButton *)sender {
	if (self.delegate && [self.delegate respondsToSelector:@selector(xPMonentsRecommendHeaderView:didClickMoreTopic:)]) {
		[self.delegate xPMonentsRecommendHeaderView:self didClickMoreTopic:sender];
	}
}

#pragma mark - Getters And Setters
- (void)setTopicList:(NSArray<MonentsTopicModel *> *)topicList {
	_topicList = topicList;
	[self.collectionView reloadData];
}

- (UILabel *)titleLabel {
	if (!_titleLabel) {
		_titleLabel = [[UILabel alloc] init];
		_titleLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
		_titleLabel.textColor = [ThemeColor mainTextColor];
		_titleLabel.text = @"推荐话题";
	}
	return _titleLabel;
}

- (UIButton *)arrowButton {
	if (!_arrowButton) {
		_arrowButton = [UIButton buttonWithType:UIButtonTypeCustom];
		[_arrowButton setImage:[UIImage imageNamed:@"room_setting_arrow"] forState:UIControlStateNormal];
		[_arrowButton setImage:[UIImage imageNamed:@"room_setting_arrow"] forState:UIControlStateSelected];
		[_arrowButton addTarget:self action:@selector(arrowButtonAction:) forControlEvents:UIControlEventTouchUpInside];
	}
	return _arrowButton;
}

- (UICollectionView *)collectionView{
	if (!_collectionView) {
		UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
		layout.sectionInset = UIEdgeInsetsMake(0, 15, 0, 0);
		layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
		layout.minimumLineSpacing = 8;
		_collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
		_collectionView.dataSource = self;
		_collectionView.delegate = self;
		_collectionView.backgroundColor = [UIColor clearColor];
		_collectionView.showsHorizontalScrollIndicator = NO;
		[_collectionView registerClass:[XPMonentsTopicCollectionViewCell class] forCellWithReuseIdentifier:NSStringFromClass([XPMonentsTopicCollectionViewCell class])];
	}
	return _collectionView;
}



@end