//
//  PBExamineTableHeaderView.m
//  IphoneBIMe
//
//  Created by zjf on 2018/11/29.
//  Copyright © 2018 ProBIM. All rights reserved.
//

#import "PBExamineTableHeaderView.h"
#import "PBImageCollectionViewCell.h"
#import "PBProjectModel.h"

static NSString *cellID = @"cellID";
@interface PBExamineTableHeaderView()<UICollectionViewDataSource, UICollectionViewDelegate, SDPhotoBrowserDelegate>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) UIButton *photoBtn;
@property (nonatomic, strong) UIPageControl *pageControl;
//记录当前页码
@property (nonatomic, assign) NSInteger currentPage;
@property (nonatomic, weak) UIImageView *videoImageV;
@property (nonatomic, weak) UIButton *playBtn;
@property (nonatomic, weak) UIButton *deleteBtn;
@end

@implementation PBExamineTableHeaderView

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        [self setupUI];
    }
    return self;
}
- (void)setupUI {
    UIImageView *bgImageV = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Examine_add_photo_bg"]];
    [self addSubview:bgImageV];
    [bgImageV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.bottom.left.right.equalTo(self);
    }];
    UIButton *uploadPhotoBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"Examine_upload_photo"]];
    [uploadPhotoBtn addTarget:self action:@selector(uploadPhoto) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:uploadPhotoBtn];
    [uploadPhotoBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(self);
    }];
    [self addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.bottom.left.right.equalTo(self);
    }];
    self.collectionView.hidden = YES;
    
    UIButton *photoBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"Examine_camera"]];
    [photoBtn addTarget:self action:@selector(uploadPhoto) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:photoBtn];
    [photoBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(self);
        make.right.equalTo(self).offset(-10);
    }];
    photoBtn.hidden = YES;
    UIPageControl *pageControl = [[UIPageControl alloc] init];
    pageControl.numberOfPages = 5;
    pageControl.currentPage = 3;
    pageControl.pageIndicatorTintColor = [UIColor whiteColor];
    pageControl.currentPageIndicatorTintColor = WarningColor;
    pageControl.hidesForSinglePage = YES;
    [self addSubview:pageControl];
    [pageControl mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self);
        make.bottom.equalTo(self).offset(-13);
    }];
    self.pageControl.currentPage = 0;
    self.photoBtn = photoBtn;
    self.pageControl = pageControl;
    self.pageControl.hidden = YES;
    
    UIImageView *videoImageV = [[UIImageView alloc] init];
    [self addSubview:videoImageV];
    [videoImageV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.bottom.left.right.equalTo(self);
    }];
    UIButton *playBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"details_play"]];
    [playBtn addTarget:self action:@selector(playVideo) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:playBtn];
    [playBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(self);
        make.size.mas_equalTo(CGSizeMake(92, 92));
    }];
    UIButton *deleteBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"Issue_image_delete"]];
    [deleteBtn addTarget:self action:@selector(deleteVideo) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:deleteBtn];
    [deleteBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self).offset(5);
        make.right.equalTo(self).offset(-5);
        make.size.mas_equalTo(CGSizeMake(24, 24));
    }];
    self.videoImageV = videoImageV;
    self.playBtn = playBtn;
    self.deleteBtn = deleteBtn;
    self.deleteBtn.hidden = YES;
    self.playBtn.hidden = YES;
    self.videoImageV.hidden = YES;
}

- (void)uploadPhoto {
    if (self.ChooseImageBlock) {
        self.ChooseImageBlock();
    }
}
- (void)playVideo {
    NSLog(@"开始播放");
    if (self.PlayVideoBlock) {
        self.PlayVideoBlock();
    }
}
- (void)deleteVideo {
    NSLog(@"删除视频");
    if (self.DeleteVideoBlock) {
        self.DeleteVideoBlock();
    }
}
- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [UICollectionViewFlowLayout.alloc init];
        layout.itemSize = CGSizeMake(self.width, self.height);
        layout.minimumLineSpacing = 0;
        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];
    }
    return _collectionView;
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    if (_isAddExamine) {
       return self.imageArr.count;
    }else {
       return self.detailsImageArr.count;
    }
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    PBImageCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:cellID forIndexPath:indexPath];
    cell.roleType = self.roleType;
    cell.DeleteImageBlock = ^{
        NSInteger count;
        if (self.isAddExamine) {
            count = self.imageArr.count - 1;
        }else {
            count = self.detailsImageArr.count - 1;
        }
        if (self.currentPage == (self.imageArr.count - 1) && self.currentPage != 0) {
                --self.currentPage;
        }
        if (self.DeleteImageBlock) {
            self.DeleteImageBlock(indexPath.row);
        }
    };
    
    if (_isAddExamine) {
        cell.image = self.imageArr[indexPath.row];
    }else {
        NSString *url = [NSString stringWithFormat:@"%@%@",BaseUrl, [self.detailsImageArr[indexPath.row] valueForKey:@"AttachmentUrl"]];
        cell.imageUrl = url;
    }
    return cell;
}

#pragma mark - UICollectionViewDelegate
 - (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    self.currentPage = scrollView.contentOffset.x / self.width;
    self.pageControl.currentPage = self.currentPage;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    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]];
    return cell.imageV.image;
}


- (void)setImageArr:(NSMutableArray *)imageArr {
    _imageArr = imageArr;
    self.videoImageV.hidden = YES;
    self.playBtn.hidden = YES;
    self.deleteBtn.hidden = YES;
    [self setPageControl];
}
- (void)setVideoArr:(NSMutableArray *)videoArr {
    _videoArr = videoArr;
    self.videoImageV.hidden = NO;
    self.playBtn.hidden = NO;
    self.deleteBtn.hidden = NO;
    LFResultVideo *result = videoArr[0];
    self.videoImageV.image = result.coverImage;
}

- (void)setPageControl {
    NSArray *arr;
    if (_isAddExamine) {
        arr = self.imageArr;
    }else {
        arr = self.detailsImageArr;
    }
    if (arr.count != 0) {
        self.collectionView.hidden = NO;
        self.photoBtn.hidden = NO;
        self.pageControl.hidden = NO;
        if (self.isAddExamine) {
            self.pageControl.numberOfPages = self.imageArr.count;
        }else {
            self.pageControl.numberOfPages = self.detailsImageArr.count;
        }
        self.pageControl.currentPage = self.currentPage;
        [self.collectionView reloadData];
    }else {
        self.photoBtn.hidden = YES;
        self.collectionView.hidden = YES;
        self.pageControl.hidden = YES;
        [self.collectionView reloadData];
    }
}
- (void)setDetailsImageArr:(NSArray *)detailsImageArr {
    _detailsImageArr = detailsImageArr;
    [self setPageControl];
}
- (void)setIsAddExamine:(BOOL)isAddExamine {
    _isAddExamine = isAddExamine;
}
- (void)setProjectModel:(PBProjectModel *)projectModel {
    _projectModel = projectModel;
}
- (void)setRoleType:(RoleType)roleType {
    _roleType = roleType;
}
@end