//
//  ModelPhotoViewController.m
//  model
//
//  Created by liufei on 2018/7/25.
//  Copyright © 2018年 Mine. All rights reserved.
//

#import "ModelPhotoViewController.h"
#import "PhotoCollectionViewCell.h"
#import "PhotoModel.h"
#import "Masonry.h"
#import "UICollectionViewLeftAlignedLayout.h"
@interface ModelPhotoViewController () <UICollectionViewDelegateFlowLayout, UICollectionViewDataSource, UIImagePickerControllerDelegate, UINavigationControllerDelegate> {
    UIImagePickerController *pickerVc;
}

@property(nonatomic, strong) UICollectionView *photoListView;
@property(nonatomic, strong) NSMutableArray *dataSource;
@property(nonatomic, strong) NSMutableArray *tempUrl;
@property(nonatomic, strong) NSMutableArray *updateData;
@property(nonatomic, strong) NSMutableArray *deleteData;

@end

@implementation ModelPhotoViewController

- (NSMutableArray *)dataSource {
    if (!_dataSource) {
        _dataSource = [NSMutableArray array];
    }
    return _dataSource;
}

- (NSMutableArray *)updateData {
    if (!_updateData) {
        _updateData = [NSMutableArray array];
    }
    return _updateData;
}

- (NSMutableArray *)deleteData {
    if (!_deleteData) {
        _deleteData = [NSMutableArray array];
    }
    return _deleteData;
}

- (NSMutableArray *)tempUrl {
    if (!_tempUrl) {
        _tempUrl = [NSMutableArray array];
    }
    return _tempUrl;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    [self configUI];
    [self getModelPhoto];
}

- (void)getModelPhoto {
    [MBProgressHUD showHUDAddedTo:self.view animated:YES];
    [YanCNetWorkManager requestGETWithURLStr:Url_getModelPhoto(PublicUrl)
                                  parameters:@{@"modelpk": [ModelUser user].modelpk}
                                      finish:^(id dataDic) {
                                          [MBProgressHUD hideHUDForView:self.view animated:YES];
                                          if ([dataDic[@"msg"] isEqualToString:@"success"]) {
                                              for (NSDictionary *dic in dataDic[@"data"]) {
                                                  PhotoModel *model = [PhotoModel mj_objectWithKeyValues:dic];
                                                  [self.dataSource addObject:model];
                                              }
                                              [self.photoListView reloadData];
                                          }
                                      }
                                     enError:^(NSError *error) {

                                     }];
}

- (void)configUI {
    self.view.backgroundColor = [UIColor colorWithHexString:@"#F2F4F5"];
    self.title = @"照片";
    self.navigationController.navigationBar.tintColor = RGBValueColor(0x333333, 1);
    UIBarButtonItem *rightItem = [[UIBarButtonItem alloc] initWithTitle:@"保存" style:UIBarButtonItemStylePlain target:self action:@selector(handleSave)];
    rightItem.tintColor = [UIColor blackColor];
    self.navigationItem.rightBarButtonItem = rightItem;

    UICollectionViewFlowLayout *layout = [[UICollectionViewLeftAlignedLayout alloc] init];

    self.photoListView = [[UICollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:layout];
    self.photoListView.delegate = self;
    self.photoListView.dataSource = self;
    self.photoListView.backgroundColor = [UIColor clearColor];
    [self.photoListView registerNib:[UINib nibWithNibName:@"PhotoCollectionViewCell" bundle:nil] forCellWithReuseIdentifier:NSStringFromClass([PhotoCollectionViewCell class])];
    [self.photoListView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"headerView"];
    [self.view addSubview:self.photoListView];
    [self.photoListView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.view);
        make.bottom.equalTo(self.view);
        make.left.right.equalTo(self.view);
    }];
}


- (void)backClick {
    [self.navigationController popViewControllerAnimated:YES];
}

#pragma mark -collectionView

- (CGSize)collectionView:(UICollectionView *)collectionView
                  layout:(UICollectionViewLayout *)collectionViewLayout
  sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.row == 0) {
        return CGSizeMake(ScreenWidth - 40, ScreenWidth - 40);
    } else {
        return CGSizeMake((ScreenWidth - 50) / 2, (ScreenWidth - 50) / 2);
    }
}

- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView
                        layout:(UICollectionViewLayout *)collectionViewLayout
        insetForSectionAtIndex:(NSInteger)section {
    return UIEdgeInsetsMake(10, 20, 20, 20);
}

- (CGFloat)          collectionView:(UICollectionView *)collectionView
                             layout:(UICollectionViewLayout *)collectionViewLayout
minimumLineSpacingForSectionAtIndex:(NSInteger)section {
    return 10;
}

- (CGFloat)               collectionView:(UICollectionView *)collectionView
                                  layout:(UICollectionViewLayout *)collectionViewLayout
minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {
    return 10;
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.dataSource.count + 1;
}

- (CGSize)       collectionView:(UICollectionView *)collectionView
                         layout:(UICollectionViewLayout *)collectionViewLayout
referenceSizeForHeaderInSection:(NSInteger)section {
    return CGSizeMake(ScreenWidth, 35);
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView
           viewForSupplementaryElementOfKind:(NSString *)kind
                                 atIndexPath:(NSIndexPath *)indexPath {
    if (kind == UICollectionElementKindSectionHeader) {
        UICollectionReusableView *headerView = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:@"headerView" forIndexPath:indexPath];
        for (UIView *view in [headerView subviews]) {
            [view removeFromSuperview];
        }
        UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 15, ScreenWidth - 40, 20)];
        label.text = @"点击可删除照片（最少上传5张）";
        label.font = [UIFont systemFontOfSize:14];
        label.textColor = [UIColor colorWithHexString:@"#666666"];
        [headerView addSubview:label];
        return headerView;
    }
    return nil;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    PhotoCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([PhotoCollectionViewCell class])
                                                                              forIndexPath:indexPath];
    cell.layer.cornerRadius = 8;
    cell.clipsToBounds = YES;
    if (indexPath.item < self.dataSource.count) {
        PhotoModel *model = self.dataSource[indexPath.item];
        if (model.localImage) {
            cell.userImageView.image = model.localImage;
        } else {
            [cell.userImageView sd_setImageWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/%@", PublicUrl, model.photo]]];
        }
    } else {
        cell.userImageView.image = nil;
    }

    return cell;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    if (self.dataSource.count == indexPath.item) {
        if (self.dataSource.count >= 9) {
            [MBProgressHUD showSuccess:@"最多不能超过9张"];
        } else {
            UIAlertController *alertVc = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
            pickerVc = [[UIImagePickerController alloc] init];
            pickerVc.allowsEditing = YES;
            pickerVc.delegate = self;
            UIAlertAction *library = [UIAlertAction actionWithTitle:@"从相册选择" style:UIAlertActionStyleDefault handler:^(UIAlertAction *_Nonnull action) {
                pickerVc.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
                [self presentViewController:pickerVc animated:YES completion:nil];

            }];
            UIAlertAction *camera = [UIAlertAction actionWithTitle:@"拍照" style:UIAlertActionStyleDefault handler:^(UIAlertAction *_Nonnull action) {
                pickerVc.sourceType = UIImagePickerControllerSourceTypeCamera;
                [self presentViewController:pickerVc animated:YES completion:nil];
            }];
            UIAlertAction *cancel = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
            [alertVc addAction:library];
            [alertVc addAction:camera];
            [alertVc addAction:cancel];
            [self presentViewController:alertVc animated:YES completion:nil];
        }
    } else {
        UIAlertController *alertVc = [UIAlertController alertControllerWithTitle:nil message:@"是否确定删除" preferredStyle:UIAlertControllerStyleAlert];
        UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
        UIAlertAction *sureAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *_Nonnull action) {
            [self deletePhoto:indexPath.item];
        }];
        [alertVc addAction:cancelAction];
        [alertVc addAction:sureAction];
        [self presentViewController:alertVc animated:YES completion:nil];
    }
}

#pragma mark -imagePickerController

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *, id> *)info {
    UIImage *image = info[@"UIImagePickerControllerEditedImage"];
    [picker dismissViewControllerAnimated:NO completion:nil];
    PhotoModel *model = [[PhotoModel alloc] init];
    model.localImage = image;

    NSData *photoData = UIImageJPEGRepresentation(image, 0.5);
    NSInteger length = [photoData length] / 1000;

    NSLog(@"图片大小:%ld Kb", (long) length);

    [self.dataSource addObject:model];
    [self.updateData addObject:image];
    [self.photoListView reloadData];

    [self uploadImage:image];
}


- (void)uploadImage:(UIImage *)image {

    [MBProgressHUD showHUDAddedTo:self.view animated:YES];
    [YanCNetWorkManager requestPostWithURLStr:Url_uploadImage(PublicUrl)
                                     fileData:image
                                         name:@"img"
                                     fileName:@"file.jpg"
                                     mimeType:@"image/jpeg"
                                   parameters:nil
                                       finish:^(id dataDic) {
                                           [MBProgressHUD hideHUDForView:self.view animated:YES];
                                           [self.tempUrl addObject:dataDic[@"img"]];

                                       }
                                      enError:^(NSError *error) {
                                          [MBProgressHUD hideHUDForView:self.view animated:YES];
                                      }];

}


#pragma mark -

- (void)handleSave {

    [self uploadImageThroughURLs:self.tempUrl];

//    [MBProgressHUD showHUDAddedTo:self.view animated:YES];
//    dispatch_group_t group = dispatch_group_create();
//
//    for (NSInteger i = 0; i < self.updateData.count; i++) {
//
//        dispatch_group_enter(group);
//
//        [YanCNetWorkManager requestPostWithURLStr:Url_uploadImage(PublicUrl) fileData:self.updateData[i] name:@"img" fileName:@"file.jpg" mimeType:@"image/jpeg" parameters:nil finish:^(id dataDic) {
//
//            [self.tempUrl addObject:dataDic[@"img"]];
//
//            NSLog(@"第 %d 张图片上传成功: %@", (int)i + 1, dataDic);
//            dispatch_group_leave(group);
//        } enError:^(NSError *error) {
//            NSLog(@"第 %d 张图片上传失败: %@", (int)i + 1, error);
//            dispatch_group_leave(group);
//        }];
//    }
//    [MBProgressHUD hideHUDForView:self.view animated:YES];
//    dispatch_group_notify(group, dispatch_get_main_queue(), ^{
//        NSLog(@"上传完成!");
//
//        [self uploadImageThroughURLs:self.tempUrl];
//    });
}

- (void)uploadImageThroughURLs:(NSMutableArray *)urls {

    NSString *urlStr = @"";

    if (urls.count > 0) {
        urlStr = [urls firstObject];

        if (urls.count > 1) {
            for (int i = 1; i < urls.count; i++) {
                urlStr = [urlStr stringByAppendingFormat:@",%@", urls[i]];
            }
        }

        NSDictionary *dic = @{@"modelpk": [ModelUser user].modelpk, @"photo": urlStr};

        [YanCNetWorkManager requestPostWithURLStr:Url_addModelPhoto(PublicUrl) parameters:dic finish:^(id dataDic) {
            if ([dataDic[@"msg"] isEqualToString:@"success"]) {
                [MBProgressHUD showSuccess:@"保存成功"];
                [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(backClick) userInfo:nil repeats:NO];
            }
        }                                 enError:^(NSError *error) {

        }];
    } else {
        [MBProgressHUD showSuccess:@"保存成功"];
        [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(backClick) userInfo:nil repeats:NO];
    }
}

- (void)deletePhoto:(NSInteger)index {

    PhotoModel *model = self.dataSource[index];

    if (model.localImage) {
        for (UIImage *img in self.updateData) {
            if (img == model.localImage) {
                [self.updateData removeObject:img];
            }
        }
    } else {
        NSDictionary *dic = @{@"modelpk": [ModelUser user].modelpk, @"modelphotopk": model.modelphotopk};

        [YanCNetWorkManager requestPostWithURLStr:Url_deleteModelPhoto(PublicUrl) parameters:dic finish:^(id dataDic) {
            if ([dataDic[@"msg"] isEqualToString:@"success"]) {

            }
        }                                 enError:^(NSError *error) {

        }];
    }
    [self.dataSource removeObjectAtIndex:index];
    [self.photoListView reloadData];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end