kneet_ios/kneet2/Classes/ViewControllers/SettingsScreens/ChangeIconViewController.m

//
//  ChangeIconViewController.m
//  kneet
//
//  Created by Jason Lee on 6/16/15.
//  Copyright (c) 2015 ntels. All rights reserved.
//
#import "JDObject.h"
#import "RequestHandler.h"
#import "LoginModel.h"

#import "UIButton+WebCache.h"
#import "CustomButton.h"
#import "ChangeIconViewController.h"

@interface MemberIconCell () {
    
}
@property (weak, nonatomic) NSIndexPath *indexPath;
@end


@implementation MemberIconCell

@end

@implementation MemberIconeHeaderView
- (void)awakeFromNib {
    _lblHeaderTitle.text = NSLocalizedString(@"아이콘 변경", @"아이콘 변경");
}
@end

@interface ChangeIconViewController () <UICollectionViewDelegate, UICollectionViewDataSource> {
    NSArray<MemberIconModel> *_iconList;
    CustomButton *_selectedCoverIcon;
    BOOL _isNotFirstLoading;
    
    LoginModel *_loginUser;
}
@end


#pragma mark - Class Definition

@implementation ChangeIconViewController


- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    [self initUI];
    [self prepareViewDidLoad];
}


- (void)initUI {
    _collectionView.delegate = self;
    _collectionView.dataSource = self;
    _collectionView.scrollEnabled = NO;
    _collectionView.backgroundColor = kUIBgColor01;
    
    //Localization
    [_btnSave setTitle:NSLocalizedString(@"저장", @"저장") forState:UIControlStateNormal];
    [_btnCancel setTitle:NSLocalizedString(@"취소", @"취소") forState:UIControlStateNormal];
}

- (void)prepareViewDidLoad {
    _loginUser = [JDFacade facade].loginUser;
    
    [self performSelector:@selector(requestMemberIcons) withObject:nil afterDelay:0.0f];
}

- (MemberIconModel *)selectedIcon {
    CustomButton *btnMembeIcon = _selectedCoverIcon ? _selectedCoverIcon.value : nil;
    return btnMembeIcon ? btnMembeIcon.value : nil;
}

#pragma mark - Main Logic
- (void)requestMemberIcons {
    //parameters
    
    NSString *path = [NSString stringWithFormat:API_GET_MEMBER_ICONS];
    
    [[RequestHandler handler] sendAsyncGetRequestAPIPath:path parameters:nil modelClass:[MemberIconListModel class] completion:^(id responseObject) {
        if (!responseObject) {//응답결과가 잘못되었거나 없을 경우,
            return;
        }
        
        MemberIconListModel *fetchedIconList = (MemberIconListModel *) responseObject;
        
        if (fetchedIconList && fetchedIconList.iconList && fetchedIconList.iconList.count) {//API 성공 ,
            _iconList = fetchedIconList.iconList;
            
            NSInteger index = [_iconList indexOfObjectPassingTest:^BOOL(MemberIconModel *obj, NSUInteger idx, BOOL *stop) {
                return [_loginUser.imageFileName isEqualToString:obj.imageFileName];
            }];
            
            if (index != NSNotFound) {
                _selectedIcon = _iconList[index];
            }
            [_collectionView reloadData];
        }
    } failure:^(id errorObject) {
        JDErrorModel *error = (JDErrorModel *)errorObject;
        [[JDFacade facade] alert:error.errorMessage];
    }];
}

#pragma mark - UICollectionView Delegate

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return _iconList.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    static NSString *kCellID = @"CollectionCellIdentifier";
    MemberIconCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:kCellID forIndexPath:indexPath];
    
    
    MemberIconModel *memberIcon = _iconList[indexPath.row];
    
    cell.indexPath = indexPath;
    cell.btnMemberIcon.value = memberIcon;
    cell.btnCover.value = cell.btnMemberIcon;
    
    [cell.btnMemberIcon.imageView setContentMode:UIViewContentModeScaleAspectFit];
    [cell.btnMemberIcon sd_setImageWithURL:[NSURL URLWithString:memberIcon.imageFileName] forState:UIControlStateNormal];
//    [cell.btnMemberIcon addTarget:self action:@selector(btnMemberIconTouched:) forControlEvents:UIControlEventTouchUpInside];
    
    [cell.btnCover setImage:[CommonUtil imageWithColor:[UIColor clearColor] height:1.0f] forState:UIControlStateNormal];
    [cell.btnCover addTarget:self action:@selector(btnCoverIconTouched:) forControlEvents:UIControlEventTouchUpInside];
    
    if (!_isNotFirstLoading) {
        if ([_selectedIcon isEqual:memberIcon]) {
            [self btnCoverIconTouched:cell.btnCover];
            _isNotFirstLoading = YES;
        }
    }
    
    return cell;
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView
           viewForSupplementaryElementOfKind:(NSString *)kind
                                 atIndexPath:(NSIndexPath *)indexPath
{
    MemberIconeHeaderView *headerView = [collectionView dequeueReusableSupplementaryViewOfKind:
                                          UICollectionElementKindSectionHeader withReuseIdentifier:@"HeaderView" forIndexPath:indexPath];
    return headerView;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    if (IPHONE_WIDTH == 414.0f) {//아이폰 6일 경우,
        return CGSizeMake(84.0f, 64.0f);
        
    } else if (IPHONE_WIDTH == 375.0f) {//아이폰 6+일경우
        return CGSizeMake(75.0f, 64.0f);
    }
    return CGSizeMake(64.0f, 64.0f);
}

#pragma mark - UI Events
- (IBAction)btnCoverIconTouched:(id)sender {
    
    if (_selectedCoverIcon) {
        [_selectedCoverIcon faceOffImage];
    }
    
    CustomButton *btn = (CustomButton *)sender;
    _selectedCoverIcon = btn;
    [_selectedCoverIcon faceOffImage];
}



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

@end