//
//  PBIssueHeaderView.m
//  IphoneBIMe
//
//  Created by zjf on 2019/1/10.
//  Copyright © 2019 ProBIM. All rights reserved.
//

#import "PBIssueHeaderView.h"
#import "PBImageCollectionViewCell.h"
#import "PBProjectModel.h"

static NSString *const ImageCellID = @"ImageCellID";
@interface PBIssueHeaderView ()<UICollectionViewDelegate, UICollectionViewDataSource, SDPhotoBrowserDelegate>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, assign) BOOL isAddIssue;
@property (nonatomic, strong) UIButton *selectBtn;
@end
@implementation PBIssueHeaderView

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

- (void)setupUI {
    self.backgroundColor = [UIColor whiteColor];
    UILabel *titleL = [UILabel z_labelWithText:@"关联图片（选填）" Color:PromptColor isBold:NO Font:TitleFontSize];
    [self addSubview:titleL];
    [titleL mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self).offset(13);
        make.left.equalTo(self).offset(16);
        make.height.equalTo(@22);
        make.width.equalTo(@132);
    }];

    self.selectBtn = [UIButton z_textButton:@"请选择" fontSize:MarkedFontSize normalColor:TitleColor];
    [self.selectBtn addTarget:self action:@selector(chooseImageAction:) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:self.selectBtn];
    [self.selectBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self).offset(-16);
        make.centerY.equalTo(titleL);
    }];
    
    UIView *lineV = [[UIView alloc] init];
    lineV.backgroundColor = PBColor(240, 240, 240);
    [self addSubview:lineV];
    [lineV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(titleL.mas_bottom).offset(16);
        make.left.equalTo(self).offset(20);
        make.right.equalTo(self).offset(-20);
        make.height.equalTo(@1);
    }];
    
    UICollectionViewFlowLayout *layout = [UICollectionViewFlowLayout.alloc init];
    layout.itemSize = CGSizeMake(80, 80);
    layout.minimumLineSpacing = 10;
    layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
    self.collectionView = [UICollectionView.alloc initWithFrame:CGRectZero collectionViewLayout:layout];
    [self.collectionView registerClass:[PBImageCollectionViewCell class] forCellWithReuseIdentifier:ImageCellID];
    self.collectionView.delegate = self;
    self.collectionView.dataSource = self;
    self.collectionView.bounces = NO;
    self.collectionView.showsHorizontalScrollIndicator = NO;
    self.collectionView.backgroundColor = [UIColor whiteColor];
    [self addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(lineV.mas_bottom).offset(16);
        make.left.equalTo(self).offset(33);
        make.right.equalTo(self).offset(-32);
        make.height.equalTo(@80);
    }];
    self.collectionView.hidden = YES;
    UIView *bottomV = [[UIView alloc] init];
    bottomV.backgroundColor = PBColor(242, 242, 242);
    [self addSubview:bottomV];
    [bottomV mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.bottom.equalTo(self);
        make.height.equalTo(@10);
    }];
}
- (void)chooseImageAction:(UIButton *)button {
    if (self.ChooseImageBlock) {
        self.ChooseImageBlock();
    }
}

#pragma mark - UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    if (self.isAddIssue) {
        if (self.viewPointImage != nil) {
            return self.imageArr.count + 1;
        }else {
            return self.imageArr.count;
        }
    }else {
        if (self.viewPointImageUrl != nil && ![self.viewPointImageUrl  isEqualToString:@""]) {
            return self.imageDocArr.count + 1;
        }else {
            return self.imageDocArr.count;
        }
    }
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    PBImageCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:ImageCellID forIndexPath:indexPath];
    if (self.isAddIssue) {
        if (indexPath.row == 0 && self.viewPointImage != nil) {
            cell.image = self.viewPointImage;
            cell.viewPointFlag = @"viewPoint";
        }else {
            NSInteger index = indexPath.row;
            if (self.viewPointImage) {
                index = indexPath.row - 1;
            }
            cell.image = self.imageArr[index];
        }
    }else {
        if (indexPath.row == 0 && self.viewPointImageUrl != nil && ![self.viewPointImageUrl isEqualToString:@""]) {
            cell.imageUrl = self.viewPointImageUrl;
            cell.viewPointFlag = @"viewPoint";
        }else {
            NSInteger index = indexPath.row;
                    if (self.viewPointImageUrl != nil && ![self.viewPointImageUrl isEqualToString:@""]) {
                        index = indexPath.row - 1;
                    }
                    NSDictionary *RelationDoc = self.imageDocArr[index];
            //        NSString *url = [NSString stringWithFormat:@"%@/api/Doc/GetHideFile?ProjectID=%@&FileId=%@&FileType=Issue",BimUrl,self.projectMdoel.bimcomposerid,[RelationDoc valueForKey:@"TargetID"]];
                    NSString *url = [NSString stringWithFormat:@"%@%@",BaseUrl,[RelationDoc valueForKey:@"bf_path"]];
                    cell.imageUrl = url;
                    cell.roleType = self.roleType;
        }
    }
    cell.DeleteImageBlock = ^{
        if (self.DeleteImageBlock) {
            NSInteger index = indexPath.row;
            if (self.isAddIssue) {
                if (self.viewPointImage) {
                    index = indexPath.row - 1;
                }
            }else {
                if (self.viewPointImageUrl) {
                    index = indexPath.row - 1;
                }
            }
            self.DeleteImageBlock(index);
        }  
    };
    cell.OpenViewPointBlock = ^{
        if (self.OpenViewPointBlock) {
            self.OpenViewPointBlock();
        }
    };
    return cell;
}


#pragma mark - UICollectionViewDelegate
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    SDPhotoBrowser *photoBrowser = [SDPhotoBrowser new];
    photoBrowser.delegate = self;
    photoBrowser.currentImageIndex = indexPath.item;
    if (self.isAddIssue) {
        if (self.viewPointImage) {
            photoBrowser.imageCount = self.imageArr.count + 1;
        }else {
            photoBrowser.imageCount = self.imageArr.count;
        }
    }else {
        if (self.viewPointImageUrl) {
            photoBrowser.imageCount = self.imageDocArr.count + 1;
        }else {
            photoBrowser.imageCount = self.imageDocArr.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.isAddIssue) {
        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;
    self.isAddIssue = YES;
    [self.collectionView reloadData];
    if (imageArr.count == 0 && self.viewPointImage == nil) {
        self.collectionView.hidden = YES;
    }else {
        self.collectionView.hidden = NO;
    }
}

- (void)setImageDocArr:(NSMutableArray *)imageDocArr {
    _imageDocArr = imageDocArr;
    self.isAddIssue = NO;
    [self.collectionView reloadData];
    if (imageDocArr.count == 0 && [self.viewPointImageUrl isEqualToString:@""]) {
        self.collectionView.hidden = YES;
    }else {
        self.collectionView.hidden = NO;
    }
}

- (void)setProjectMdoel:(PBProjectModel *)projectMdoel {
    _projectMdoel = projectMdoel;
}
- (void)setRoleType:(RoleType)roleType {
    _roleType = roleType;
    if (roleType == CREATOR) {
        [self.selectBtn setTitleColor:TitleColor forState:UIControlStateNormal];
    }else {
        [self.selectBtn setTitleColor:PromptColor forState:UIControlStateNormal];
    }
}
- (void)setViewPointImage:(UIImage *)viewPointImage {
    _viewPointImage = viewPointImage;
}
- (void)setViewPointImageUrl:(NSString *)viewPointImageUrl {
    _viewPointImageUrl = viewPointImageUrl;
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end