//
//  RAPhotoCell.m
//  Apex And Drivers
//
//  Created by Jack on 2018/10/30.
//  Copyright © 2018年 USAI. All rights reserved.
//

#import "RAPhotoCell.h"
#import "RAPhotoItemCell.h"
#import "RAPhotoModel.h"
#import "RAPhotoModelDelegate.h"
#import "RAPhotoLayout.h"

@interface RAPhotoCell ()<UICollectionViewDelegate,UICollectionViewDataSource,RAPhotoModelDelegate>

@property (nonatomic,strong) IBOutlet UILabel *titleLabel;
@property (nonatomic,strong) IBOutlet UILabel *requiredLabel;
@property (nonatomic,strong) IBOutlet UICollectionView *photoCollectionView;

@property (nonatomic,strong) RAPhotoLayout *photoLayout;

@end

@implementation RAPhotoCell

+ (NSString *)reuseId {
    return @"RAPhotoCell";
}

+ (void)regist2TableView:(UITableView *)tableView {
    if (tableView == nil) {
        return;
    }
    
    [tableView registerNib:[UINib nibWithNibName:@"RAPhotoCell" bundle:nil] forCellReuseIdentifier:self.reuseId];
}

#pragma mark - Super

- (void)awakeFromNib {
    [super awakeFromNib];
    // Initialization code
    
    [RAPhotoItemCell regist2CollectionView:self.photoCollectionView];
    self.photoCollectionView.collectionViewLayout = self.photoLayout;
}

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

- (void)prepareForReuse {
    [super prepareForReuse];
    
    self.model = nil;
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];

    // Configure the view for the selected state
}

#pragma mark - Setter

- (void)setModel:(RAPhotoModel *)model {
//    NSLog(@"CollectionCell %p %p %p",self,_model,model);
    _model.delegate = nil;
    _model = model;
    _model.delegate = self;
    
    [self refreshUI];
}

#pragma mark - Getter

- (RAPhotoLayout *)photoLayout {
    if (!_photoLayout) {
        _photoLayout = [[RAPhotoLayout alloc] init];
    }
    return _photoLayout;
}

#pragma mark - Model Delegate

- (void)refreshUI {
//    NSLog(@"CollectionCell refreshUI %p %p",self,_model);
    NSString *title = _model.title;
    BOOL required = _model.required;
    
    self.titleLabel.text = title;
    self.requiredLabel.hidden = !required;
    
    self.photoLayout.delegate = _model;
    [self.photoCollectionView reloadData];
}

- (void)unbind {
    _model = nil;
//    [self refreshUI];
}

#pragma mark - CollectionView DataSource

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}

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

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    RAPhotoItemCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:RAPhotoItemCell.reuseId forIndexPath:indexPath];
    RAPhotoItemModel *model = [self.model.photos objectAtIndex:indexPath.row];
    cell.model = model;
    
    __weak typeof(self) weakSelf = self;
    cell.clickBlk = ^(RAPhotoItemModel *model) {
        if (weakSelf) {
            __strong typeof(weakSelf) strongSelf = weakSelf;
            [strongSelf clickItem:model];
        }
    };
    
    return cell;
}

#pragma mark - CollectionView Delegate

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    [self clickItem:[self.model photoItemAtIndex:indexPath.item]];
}

#pragma mark - Action

- (void)clickItem:(RAPhotoItemModel *)model {
    if (self.delegate && [self.delegate respondsToSelector:@selector(photoCell:didClickPhotoItem:)]) {
        [self.delegate photoCell:self didClickPhotoItem:model];
    }
}

@end