//
//  PBCheckHeaderView.m
//  IphoneBIMe
//
//  Created by zjf on 2020/12/15.
//  Copyright © 2020 ProBIM. All rights reserved.
//

#import "PBCheckHeaderView.h"
#import "PBImageCollectionViewCell.h"
static NSString *const cellID = @"cellID";
@interface PBCheckHeaderView()<UICollectionViewDelegate, UICollectionViewDataSource, SDPhotoBrowserDelegate>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) UIButton *photoBtn;
@property (nonatomic, weak) UIButton *addPhotoBtn;
@property (nonatomic, weak) UIView *videoBgV;
@property (nonatomic, weak) UIImageView *videoImageV;
@property (nonatomic, weak) UILabel *videoL;
@property (nonatomic, weak) UIButton *deleteVideoBtn;
@property (nonatomic, weak) UIButton *playVideoBtn;
@property (nonatomic, copy) NSString *playUrl;

typedef void(^MyImageBlock)(UIImage * _Nullable image);
@end
@implementation PBCheckHeaderView
- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        [self setupUI];
    }
    return self;
}
- (void)setupUI {
    self.backgroundColor = PBColor(244, 245, 246);
    UIView *bgV = [[UIView alloc] initWithFrame:CGRectMake(0, 10, self.width - 20, 90)];
    bgV.backgroundColor = [UIColor whiteColor];
    [self addSubview:bgV];
    [bgV circleViewWithRadius:6];
    
    self.photoBtn = [[UIButton alloc] init];
    [self.photoBtn setImage:[UIImage imageNamed:@"add_phone"] forState:UIControlStateNormal];
    [self.photoBtn setTitle:@"添加图片或视频" forState:UIControlStateNormal];
    [self.photoBtn setTitleColor:PBColor(97, 111, 125) forState:UIControlStateNormal];
    self.photoBtn.titleLabel.font = [UIFont systemFontOfSize:14];
    [self.photoBtn setImageEdgeInsets:UIEdgeInsetsMake(0, 0, 0, 98)];
    [self.photoBtn setTitleEdgeInsets:UIEdgeInsetsMake(0, 0, 0, 0)];
    [self.photoBtn addTarget:self action:@selector(uploadPhoto) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:self.photoBtn];
    [self.photoBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self).offset(43);
        make.centerX.equalTo(self);
        make.size.mas_equalTo(CGSizeMake(142, 24));
    }];
    [self addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.left.equalTo(bgV).offset(10);
        make.bottom.right.equalTo(bgV).offset(-10);
    }];
    self.collectionView.hidden = YES;
    UIButton *addPhotoBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"image_camera"]];
    [addPhotoBtn addTarget:self action:@selector(uploadPhoto) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:addPhotoBtn];
    [addPhotoBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.right.bottom.equalTo(bgV);
        make.width.equalTo(@90);
    }];
    self.addPhotoBtn = addPhotoBtn;
    self.addPhotoBtn.hidden = YES;
    
    UIView *videoBgV = [[UIView alloc] init];
    videoBgV.backgroundColor = [UIColor whiteColor];
    [self addSubview:videoBgV];
    [videoBgV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.bottom.left.right.equalTo(self.collectionView);
    }];
    UIImageView *videoImageV = [[UIImageView alloc] initWithFrame:CGRectMake(10, 20, 70, 70)];
    [self addSubview:videoImageV];
    [videoImageV circleViewWithRadius:6];
    
    UILabel *videoL = [UILabel z_labelWithText:@"可添加一条60s内视频或者6张图片添加图片请删除视频" Color:PBColor(97, 111, 125) isBold:NO Font:13];
    videoL.numberOfLines = 0;
    [self addSubview:videoL];
    [videoL mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(videoBgV);
        make.left.equalTo(videoImageV.mas_right).offset(15);
        make.width.equalTo(@210);
    }];
    UIButton *deleteVideoBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"video_account_delete"]];
    [self addSubview:deleteVideoBtn];
    [deleteVideoBtn addTarget:self action:@selector(deleteVideo) forControlEvents:UIControlEventTouchUpInside];
    [deleteVideoBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(videoBgV).offset(-10);
        make.bottom.equalTo(videoBgV);
        make.size.mas_equalTo(CGSizeMake(24, 24));
    }];
    UIButton *playVideoBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"small_play"]];
    [self addSubview:playVideoBtn];
    [playVideoBtn addTarget:self action:@selector(playVideo) forControlEvents:UIControlEventTouchUpInside];
    [playVideoBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(videoImageV);
        make.size.mas_equalTo(CGSizeMake(24, 24));
    }];
    self.videoBgV = videoBgV;
    self.videoImageV = videoImageV;
    self.playVideoBtn = playVideoBtn;
    self.videoL = videoL;
    self.deleteVideoBtn = deleteVideoBtn;
    
    self.videoBgV.hidden = YES;
    self.videoImageV.hidden = YES;
    self.playVideoBtn.hidden = YES;
    self.videoL.hidden = YES;
    self.deleteVideoBtn.hidden = YES;
}
- (void)uploadPhoto {
    if (self.ChooseImageBlock) {
        self.ChooseImageBlock();
    }
}
- (void)playVideo {
    NSLog(@"开始播放");
    if (self.isAddExamine) {
        if (self.PlayVideoBlock) {
            self.PlayVideoBlock();
        }
    }else {
        if (self.PlayVideoUrlBlock) {
            self.PlayVideoUrlBlock(self.playUrl);
        }
    }
}
- (void)deleteVideo {
    NSLog(@"删除视频");
    if (self.DeleteVideoBlock) {
        self.DeleteVideoBlock();
    }
}
- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [UICollectionViewFlowLayout.alloc init];
        layout.itemSize = CGSizeMake(70, 70);
        layout.minimumLineSpacing = 10;
        layout.minimumInteritemSpacing = 0;
        layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
        _collectionView = [UICollectionView.alloc initWithFrame:CGRectZero collectionViewLayout:layout];
        [_collectionView registerClass:[PBImageCollectionViewCell class] forCellWithReuseIdentifier:cellID];
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
//        _collectionView.pagingEnabled = YES;
//        _collectionView.bounces = NO;
        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.backgroundColor = [UIColor whiteColor];
        _collectionView.contentInset = UIEdgeInsetsMake(0, 0, 0, 100);
    }
    return _collectionView;
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    if (self.isAddExamine) {
        if (self.imageArr.count >= 4) {
            self.addPhotoBtn.hidden = NO;
            return self.imageArr.count;
        }else {
            self.addPhotoBtn.hidden = YES;
            return self.imageArr.count + 1;
        }
    }else {
        return self.detailsImageArr.count;
    }
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    PBImageCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:cellID forIndexPath:indexPath];
    if (self.isAddExamine) {
        if (indexPath.row == self.imageArr.count) {
            cell.image = [UIImage imageNamed:@"img_camera_2"];
            cell.roleType = PARTICIPANT;
        }else {
            cell.image = self.imageArr[indexPath.row];
            cell.roleType = CREATOR;
        }
        cell.DeleteImageBlock = ^{
            if (self.DeleteImageBlock) {
                self.DeleteImageBlock(indexPath.row);
            }
        };
    }else {
        NSDictionary *RelationDoc = self.detailsImageArr[indexPath.row];
        NSString *url = [NSString stringWithFormat:@"%@%@",BaseUrl,[RelationDoc valueForKey:@"bf_path"]];
        cell.imageUrl = url;
        cell.roleType = PARTICIPANT;
    }
    [cell circleViewWithRadius:6];
    return cell;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    if (self.imageArr.count < 4 & indexPath.row == self.imageArr.count & self.isAddExamine) {
        if (self.ChooseImageBlock) {
            self.ChooseImageBlock();
        }
    }else {
        SDPhotoBrowser *photoBrowser = [SDPhotoBrowser new];
        photoBrowser.delegate = self;
        photoBrowser.currentImageIndex = indexPath.item;
        if (self.isAddExamine) {
            photoBrowser.imageCount = self.imageArr.count;
        }else {
            photoBrowser.imageCount = self.detailsImageArr.count;
        }
        photoBrowser.sourceImagesContainerView = self.collectionView;
        [photoBrowser show];
    }
}

#pragma mark  SDPhotoBrowserDelegate
// 返回临时占位图片（即原来的小图）
- (UIImage *)photoBrowser:(SDPhotoBrowser *)browser placeholderImageForIndex:(NSInteger)index {
    // 不建议用此种方式获取小图，这里只是为了简单实现展示而已
    PBImageCollectionViewCell *cell = (PBImageCollectionViewCell *)[self collectionView:self.collectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:index inSection:0]];
    if (self.isAddExamine) {
        return cell.imageV.image;
    }else {
        NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:cell.imageUrl]];
        UIImage *image = [UIImage imageWithData:data];;
        return image;
    }
}
- (void)setImageArr:(NSMutableArray *)imageArr {
    _imageArr = imageArr;
    if (_imageArr.count > 0){
        self.collectionView.hidden = NO;
        [self.collectionView reloadData];
    }else {
        self.collectionView.hidden = YES;
        self.addPhotoBtn.hidden = YES;
    }
    self.videoBgV.hidden = YES;
    self.videoImageV.hidden = YES;
    self.videoL.hidden = YES;
    self.deleteVideoBtn.hidden = YES;
    self.playVideoBtn.hidden = YES;
}
- (void)setVideoArr:(NSMutableArray *)videoArr {
    _videoArr = videoArr;
    if (videoArr.count > 0) {
        self.collectionView.hidden = YES;
        self.addPhotoBtn.hidden = YES;
        self.videoBgV.hidden = NO;
        self.videoImageV.hidden = NO;
        self.videoL.hidden = NO;
        self.deleteVideoBtn.hidden = NO;
        self.playVideoBtn.hidden = NO;
        PBResultVideo *result = videoArr[0];
        self.videoImageV.image = result.coverImage;
    }else {
        self.collectionView.hidden = YES;
        self.addPhotoBtn.hidden = YES;
        self.videoBgV.hidden = YES;
        self.videoImageV.hidden = YES;
        self.videoL.hidden = YES;
        self.deleteVideoBtn.hidden = YES;
        self.playVideoBtn.hidden = YES;
    }
}
- (void)setDetailsImageArr:(NSArray *)detailsImageArr {
    _detailsImageArr = detailsImageArr;
    NSMutableArray *imageArr = [[NSMutableArray alloc] init];
    NSMutableArray *videoArr = [[NSMutableArray alloc] init];
    for (NSInteger i = 0; i<detailsImageArr.count; i++) {
        NSDictionary *item = detailsImageArr[i];
        NSString *fileName = [item valueForKey:@"bf_filename"];
        BOOL isVideo = [fileName hasSuffix:@".mp4"];
        if (isVideo) {
            [videoArr addObject:item];
        }else {
            [imageArr addObject:item];
        }
    }
    if (videoArr.count > 0) {
        self.collectionView.hidden = YES;
        self.addPhotoBtn.hidden = YES;
        self.videoBgV.hidden = NO;
        self.videoImageV.hidden = NO;
        self.videoL.hidden = YES;
        self.deleteVideoBtn.hidden = YES;
        self.playVideoBtn.hidden = NO;
        self.playUrl = [NSString stringWithFormat:@"%@%@",BaseUrl,[videoArr[0] valueForKey:@"bf_path"]];
        [self getThumbnailImage:[NSURL URLWithString:self.playUrl] completion:^(UIImage * _Nullable image) {
            self.videoImageV.image = image;
        }];
    }else {
        self.collectionView.hidden = NO;
        [self.collectionView reloadData];
        self.videoBgV.hidden = YES;
        self.videoImageV.hidden = YES;
        self.videoL.hidden = YES;
        self.deleteVideoBtn.hidden = YES;
        self.playVideoBtn.hidden = YES;
    }
}
- (void)setIsAddExamine:(BOOL)isAddExamine {
    _isAddExamine = isAddExamine;
}
- (void)getThumbnailImage:(NSURL *)videoURL completion:(MyImageBlock)handler {

    dispatch_async(dispatch_get_global_queue(0, 0), ^{

        AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:videoURL options:nil];
        
        AVAssetImageGenerator *generator = [[AVAssetImageGenerator alloc] initWithAsset:asset];
        
        generator.appliesPreferredTrackTransform = YES;
        
        CMTime time = CMTimeMakeWithSeconds(0.0, 600);
        
        NSError *error = nil;
        
        CMTime actualTime;
        
        CGImageRef imageRef = [generator copyCGImageAtTime:time actualTime:&actualTime error:&error];
        
        UIImage *thumb = [[UIImage alloc] initWithCGImage:imageRef];
        
        CGImageRelease(imageRef);
        
        dispatch_async(dispatch_get_main_queue(), ^{
            handler(thumb);
        });
    });
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end