//
//  MedalsWearingViewController.m
//  YuMi
//
//  Created by P on 2025/6/19.
//

#import "MedalsWearingViewController.h"
#import "MedalsPresenter.h"
#import "MedalsWearingListCollectionViewCell.h"
#import "MedalsWearingControlCollectionViewCell.h"
#import "MJRefresh.h"

@interface MedalsWearingViewController () <UICollectionViewDelegateFlowLayout, UICollectionViewDataSource, MedalsPresenterProtocol>

@property (nonatomic, strong) UIView *dismissArea;
@property (nonatomic, strong) UIView *contentArea;
@property (nonatomic, strong) UIImageView *controlAreaBG;
@property (nonatomic, strong) UICollectionView *controlAreaCollectionView;
@property (nonatomic, strong) UICollectionView *medalsAreaCollectionView;

@property (nonatomic, assign) NSInteger medalsAreaPage;

@property (nonatomic, copy) NSArray <MedalVo *> *useMedalsVo;
@property (nonatomic, copy) NSArray <MedalVo *> *allMedalsVo;
@property (nonatomic, copy) NSDictionary *vipSeatDic;
@property (nonatomic, assign) NSInteger minVipLevelForSeats;

@end

@implementation MedalsWearingViewController

- (MedalsPresenter *)createPresenter {
    return [[MedalsPresenter alloc] init];
}

- (BOOL)isHiddenNavBar {
    return YES;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.medalsAreaPage = 1;
    
    [self setupUI];
    [self setupRefresh];
    [self loadMedals];
}

- (void)setupUI {
    self.view.backgroundColor = [UIColor colorWithWhite:0 alpha:0.5];
    [self.view addSubview:self.dismissArea];
    [self.view addSubview:self.contentArea];
    
    [self.contentArea addSubview:self.controlAreaBG];
    [self.contentArea addSubview:self.controlAreaCollectionView];
    [self.controlAreaBG mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.mas_equalTo(46);
        make.leading.trailing.mas_equalTo(self.contentArea).inset(14);
        make.height.mas_equalTo(kGetScaleWidth(147));
    }];
    [self.controlAreaCollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.mas_equalTo(self.controlAreaBG).insets(UIEdgeInsetsMake(15, 15, 0, 15));
    }];
    
    [self.contentArea addSubview:self.medalsAreaCollectionView];
    [self.medalsAreaCollectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.mas_equalTo(self.controlAreaBG.mas_bottom).offset(14);
        make.leading.trailing.mas_equalTo(self.controlAreaBG);
        make.bottom.mas_equalTo(self.contentArea);
    }];
}

- (void)setupRefresh {
    MJRefreshNormalHeader *header = [MJRefreshNormalHeader headerWithRefreshingTarget:self refreshingAction:@selector(headerRefresh)];
    header.lastUpdatedTimeLabel.hidden = YES;
    header.stateLabel.hidden = YES;
    self.medalsAreaCollectionView.mj_header = header;
    
    MJRefreshBackNormalFooter *footer = [MJRefreshBackNormalFooter footerWithRefreshingTarget:self refreshingAction:@selector(footerRefresh)];
    self.medalsAreaCollectionView.mj_footer = footer;
}

- (void)loadMedals {
    [self.presenter mineAllMedals:self.medalsAreaPage];
}

#pragma mark - User Actions
- (void)handleTapGesture:(id)sender {
    [self.view removeFromSuperview];
    [self removeFromParentViewController];
}

#pragma mark -
- (void)mineAllMedalsSuccess:(MineAllMedalModel *)model {
    [self endRefresh];
    
    // 重置最低VIP level
    self.minVipLevelForSeats = 0;
    
    if (model.allMedals.count < [self.presenter pageSize]) {
        [self.medalsAreaCollectionView.mj_footer endRefreshingWithNoMoreData];
    } else {
        [self.medalsAreaCollectionView.mj_footer resetNoMoreData];
    }
    
    self.vipSeatDic = model.vipMedalSeatVos;
    self.allMedalsVo = model.allMedals;
    self.useMedalsVo = model.useMedals;
    
    [self.controlAreaCollectionView reloadData];
    [self.medalsAreaCollectionView reloadData];
}

- (void)mineAllMedalsFailure {
    [self endRefresh];
    
    // 如果是加载更多失败，页码需要回退
    if (self.medalsAreaPage > 1) {
        self.medalsAreaPage--;
    }
}

- (void)useMedalSuccess {
    [self headerRefresh];
}

- (void)userMedalsFailure {
    
}

- (void)endRefresh {
    [self.medalsAreaCollectionView.mj_header endRefreshing];
    [self.medalsAreaCollectionView.mj_footer endRefreshing];
}

#pragma mark -
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    if (collectionView == self.controlAreaCollectionView) {
        return 10;
    } else if (collectionView == self.medalsAreaCollectionView) {
        return self.allMedalsVo.count;
    }
    return 0;
}

- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    if (collectionView == self.controlAreaCollectionView) {
        MedalsWearingControlCollectionViewCell *cell = [MedalsWearingControlCollectionViewCell cellFor:collectionView atIndexPath:indexPath];
        
        // 找到 vipSeatDic 的最小 key，判断当前 index 是否适用显示 VIP level
        NSInteger minSeatIndex = NSIntegerMax;
        for (NSString *key in self.vipSeatDic.allKeys) {
            NSInteger seatIndex = [key integerValue];
            if (seatIndex < minSeatIndex) {
                minSeatIndex = seatIndex;
            }
        }
        
        // 当前 cell 的座位索引（从1开始）
        NSInteger currentSeatIndex = indexPath.row + 1;
        
        // 只有当前座位索引大于等于最小座位索引时，才处理 VIP level 逻辑
        if (minSeatIndex != NSIntegerMax && currentSeatIndex >= minSeatIndex) {
            // 根据 vipSeatDic 数据判断是否调用 updateVIPLevel
            NSString *seatKey = [NSString stringWithFormat:@"%ld", (long)currentSeatIndex];
            NSArray *vipLevels = self.vipSeatDic[seatKey];
            
            if (vipLevels && vipLevels.count > 0) {
                // 找到最低的 VIP level
                NSInteger currentMinVipLevel = NSIntegerMax;
                for (NSNumber *levelNum in vipLevels) {
                    NSInteger level = [levelNum integerValue];
                    if (level < currentMinVipLevel) {
                        currentMinVipLevel = level;
                    }
                }
                
                if (currentMinVipLevel != NSIntegerMax) {
                    // 更新全局最低VIP level
                    if (self.minVipLevelForSeats == 0 || currentMinVipLevel < self.minVipLevelForSeats) {
                        self.minVipLevelForSeats = currentMinVipLevel;
                    }
                    [cell updateVIPLevel:currentMinVipLevel];
                }
            } else if (self.minVipLevelForSeats > 0) {
                // 当前座位没有对应的vip seat vo，但之前已经有最低VIP level，则沿用
                [cell updateVIPLevel:self.minVipLevelForSeats];
            }
        } else {
            // 如果当前座位索引小于最小座位索引，则不显示 VIP level
            [cell updateVIPLevel:-1];
        }
        
        MedalVo *medalVo = [self.useMedalsVo xpSafeObjectAtIndex:indexPath.row];
        [cell updateMedal:medalVo];
    
        return cell;
    } else if (collectionView == self.medalsAreaCollectionView) {
        MedalsWearingListCollectionViewCell *cell = [MedalsWearingListCollectionViewCell cellFor:collectionView atIndexPath:indexPath];
        [cell updateCell:[self.allMedalsVo xpSafeObjectAtIndex:indexPath.row]];
        return cell;
    }
    return nil;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    MedalVo *vo = [self.allMedalsVo xpSafeObjectAtIndex:indexPath.row];
    if (vo) {
        [self.presenter updateMedalUseStatus:vo.id isUse:!vo.useStatus];
    }
}

// 处理 cell 的可见性
- (void)collectionView:(UICollectionView *)collectionView willDisplayCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath {
    if ([cell isKindOfClass:[MedalsWearingListCollectionViewCell class]]) {
        [(MedalsWearingListCollectionViewCell *)cell willDisplay];
    }
}

- (void)collectionView:(UICollectionView *)collectionView didEndDisplayingCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath {
    if ([cell isKindOfClass:[MedalsWearingListCollectionViewCell class]]) {
        [(MedalsWearingListCollectionViewCell *)cell didEndDisplaying];
    }
}

#pragma mark - Refresh Actions
- (void)headerRefresh {
    self.medalsAreaPage = 1;
    [self loadMedals];
}

- (void)footerRefresh {
    self.medalsAreaPage++;
    [self loadMedals];
}

#pragma mark - Lazy Load
- (UIView *)dismissArea {
    if (!_dismissArea) {
        _dismissArea = [[UIView alloc] initWithFrame:CGRectMake(0, 0, KScreenWidth, kGetScaleWidth(192))];
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTapGesture:)];
        [_dismissArea addGestureRecognizer:tap];
    }
    return _dismissArea;
}

- (UIView *)contentArea {
    if (!_contentArea) {
        _contentArea = [[UIView alloc] initWithFrame:CGRectMake(0, kGetScaleWidth(192), KScreenWidth, KScreenHeight - kGetScaleWidth(192))];
        [_contentArea setBackgroundColor:UIColorFromRGB(0x1B0043)];
        [_contentArea setCornerRadius:16 corners:kCALayerMinXMinYCorner | kCALayerMaxXMinYCorner borderWidth:0 borderColor:[UIColor clearColor]];
        
        UILabel *titleLabel = [UILabel labelInitWithText:YMLocalizedString(@"20.20.61_text_2") font:kFontMedium(16) textColor:[UIColor whiteColor]];
        [_contentArea addSubview:titleLabel];
        [titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.mas_equalTo(_contentArea);
            make.top.mas_equalTo(12);
            make.height.mas_equalTo(22);
        }];
    }
    return _contentArea;
}

- (UIImageView *)controlAreaBG {
    if (!_controlAreaBG) {
        _controlAreaBG = [[UIImageView alloc] initWithImage:kImage(@"medals_control_bg")];
    }
    return _controlAreaBG;
}

- (UICollectionView *)controlAreaCollectionView {
    if (!_controlAreaCollectionView) {
        CGFloat length = (KScreenWidth - 60 - 21 *4)/5.0;
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        layout.itemSize = CGSizeMake(length, length);
        layout.minimumInteritemSpacing = 21;
        layout.minimumLineSpacing = 19;
        
        _controlAreaCollectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _controlAreaCollectionView.backgroundColor = [UIColor clearColor];
        _controlAreaCollectionView.delegate = self;
        _controlAreaCollectionView.dataSource = self;
        _controlAreaCollectionView.clipsToBounds = NO;
        
        [MedalsWearingControlCollectionViewCell registerTo:_controlAreaCollectionView];
    }
    return _controlAreaCollectionView;
}
- (UICollectionView *)medalsAreaCollectionView {
    if (!_medalsAreaCollectionView) {
        CGFloat length = kGetScaleWidth(166);
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        layout.itemSize = CGSizeMake(length, length);
        layout.minimumInteritemSpacing = 12;
        layout.minimumLineSpacing = 14;
        _medalsAreaCollectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _medalsAreaCollectionView.backgroundColor = [UIColor clearColor];
        _medalsAreaCollectionView.delegate = self;
        _medalsAreaCollectionView.dataSource = self;
        
        [MedalsWearingListCollectionViewCell registerTo:_medalsAreaCollectionView];
    }
    return _medalsAreaCollectionView;
}

@end