//
//  YXDeviceViewController.m
//  Temperature
//
//  Created by z on 2025/1/17.
//

#import "YXDeviceViewController.h"
#import "YXDeviceCollectionViewCell.h"
#import "YXDeviceListHeaderView.h"
#import "LJCollectionViewFlowLayout.h"
#import "YXLeftTableViewCell.h"
#import <SDWebImage/SDWebImage.h>
#import "NSObject+Property.h"
//#import "RDSResetDeviceVC.h"
#import "YXStepViewController.h"
#import "YXDeviceListModel.h"
#import "RDSRootControl.h"

@interface YXDeviceViewController ()<UITableViewDelegate, UITableViewDataSource, UICollectionViewDelegateFlowLayout,
UICollectionViewDataSource>

@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) NSMutableArray *dataSource;
@property (nonatomic, strong) LJCollectionViewFlowLayout *flowLayout;

@end

static float kLeftTableViewWidth = 90.f;
static float kCollectionViewMargin = 3.f;

@implementation YXDeviceViewController
{
    NSInteger _selectIndex;
    BOOL _isScrollDown;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.navigationItem.title = @"添加设备";
    self.view.backgroundColor = [UIColor whiteColor];
    
    _selectIndex = 0;
    _isScrollDown = YES;
    
    self.edgesForExtendedLayout = UIRectEdgeNone;
    self.extendedLayoutIncludesOpaqueBars = NO;
    self.tableView.contentInsetAdjustmentBehavior = NO;
    self.collectionView.contentInsetAdjustmentBehavior = NO;
    
    self.dataSource = [[NSMutableArray alloc]initWithCapacity:5];
    [self getDeviceList];
    
    [self.view addSubview:self.tableView];
    [self.view addSubview:self.collectionView];
  
    
}

-(void)getDeviceList
{
    [RDSDemoApiHelper rds_getDeviceTypeListSuccess:^(id responseObject) {
        NSLog(@"responseObject is %@", responseObject);
        if ([responseObject[@"code"] intValue] == 9999) {
            [RDSRootControl shareControl].isLoginSuccess = NO;
            TheDataManager.token = @"";
        }
        
        if ([responseObject[@"code"] integerValue] == 0) {
            NSArray *data = responseObject[@"data"];
            
            for (int i = 0; i < data.count; i++) {
                NSDictionary *listDic = data[i];
                YXDeviceListModel *listModel = [YXDeviceListModel mj_objectWithKeyValues:listDic];
                NSArray *itemArray = listDic[@"children"];
                NSMutableArray *itemModelArray = [[NSMutableArray alloc]initWithCapacity:5];
                for (int j = 0; j < itemArray.count; j++) {
                    NSDictionary *itemDic = itemArray[j];
                    YXDeviceItemModel *itemModel = [YXDeviceItemModel mj_objectWithKeyValues:itemDic];
                    
                    NSArray *stepArray = itemDic[@"steps"];
                    NSArray *stepModelArray = [YXDeviceStepModel mj_objectArrayWithKeyValuesArray:stepArray];
                    itemModel.steps = stepModelArray;
                    [itemModelArray addObject:itemModel];
                }
                
                listModel.children = itemModelArray;
                [self->_dataSource addObject:listModel];
            }
            
            [self.tableView reloadData];
            [self.collectionView reloadData];
            
            [self.tableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] animated:YES scrollPosition:UITableViewScrollPositionNone];
        }
    } failure:^(NSError *error) {
        
    }];
}

#pragma mark - Getters
- (UITableView *)tableView
{
    if (!_tableView)
    {
        _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, kLeftTableViewWidth, SCREEN_HEIGHT)];
        _tableView.backgroundColor = [UIColor colorWithHexString:@"#F9F9F9"];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.tableFooterView = [UIView new];
        _tableView.rowHeight = 55;
        _tableView.autoresizingMask = UIViewAutoresizingFlexibleHeight;
        _tableView.showsVerticalScrollIndicator = NO;
        _tableView.separatorColor = [UIColor clearColor];
        [_tableView registerClass:[YXLeftTableViewCell class] forCellReuseIdentifier:@"leftTableViewCellID"];
    }
    return _tableView;
}

- (LJCollectionViewFlowLayout *)flowLayout
{
    if (!_flowLayout)
    {
        _flowLayout = [[LJCollectionViewFlowLayout alloc] init];
        _flowLayout.scrollDirection = UICollectionViewScrollDirectionVertical;
        _flowLayout.minimumInteritemSpacing = 2;
        _flowLayout.minimumLineSpacing = 2;
    }
    return _flowLayout;
}

- (UICollectionView *)collectionView
{
    if (!_collectionView)
    {
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(kCollectionViewMargin + kLeftTableViewWidth, kCollectionViewMargin, SCREEN_WIDTH - kLeftTableViewWidth - 2 * kCollectionViewMargin, SCREEN_HEIGHT - 2 * kCollectionViewMargin) collectionViewLayout:self.flowLayout];
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
        _collectionView.autoresizingMask = UIViewAutoresizingFlexibleHeight;
        _collectionView.showsVerticalScrollIndicator = NO;
        _collectionView.showsHorizontalScrollIndicator = NO;
        [_collectionView setBackgroundColor:[UIColor clearColor]];
        //注册cell
        [_collectionView registerClass:[YXDeviceCollectionViewCell class] forCellWithReuseIdentifier:@"deviceCollectionViewCellID"];
        //注册分区头标题
        [_collectionView registerClass:[YXDeviceListHeaderView class]
            forSupplementaryViewOfKind:UICollectionElementKindSectionHeader
                   withReuseIdentifier:@"headerViewID"];
    }
    return _collectionView;
}

#pragma mark - UITableView DataSource Delegate

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.dataSource.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    YXLeftTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"leftTableViewCellID" forIndexPath:indexPath];
    YXDeviceListModel *model = self.dataSource[indexPath.row];
    cell.titleLabel.text = model.name;
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    _selectIndex = indexPath.row;
    
    // 解决点击 TableView 后 CollectionView 的 Header 遮挡问题。
    [self scrollToTopOfSection:_selectIndex animated:YES];
    
//    [self.collectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:_selectIndex] atScrollPosition:UICollectionViewScrollPositionTop animated:YES];
    [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:_selectIndex inSection:0]
                          atScrollPosition:UITableViewScrollPositionTop animated:YES];
}

#pragma mark - 解决点击 TableView 后 CollectionView 的 Header 遮挡问题

- (void)scrollToTopOfSection:(NSInteger)section animated:(BOOL)animated
{
    CGRect headerRect = [self frameForHeaderForSection:section];
    CGPoint topOfHeader = CGPointMake(0, headerRect.origin.y - _collectionView.contentInset.top);
    [self.collectionView setContentOffset:topOfHeader animated:animated];
}

- (CGRect)frameForHeaderForSection:(NSInteger)section
{
    NSIndexPath *indexPath = [NSIndexPath indexPathForItem:0 inSection:section];
    UICollectionViewLayoutAttributes *attributes = [self.collectionView.collectionViewLayout layoutAttributesForSupplementaryViewOfKind:UICollectionElementKindSectionHeader atIndexPath:indexPath];
    return attributes.frame;
}

#pragma mark - UICollectionView DataSource Delegate

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
    return self.dataSource.count;
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    YXDeviceListModel *listModel = self.dataSource[section];
    return listModel.children.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    YXDeviceCollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"deviceCollectionViewCellID" forIndexPath:indexPath];
    YXDeviceListModel *listModel = self.dataSource[indexPath.section];
    YXDeviceItemModel *itemModel = listModel.children[indexPath.row];
    
    NSString *urlStr = [NSString stringWithFormat:@"%@%@",kBaseUrlHeadImg,itemModel.icon];
    [cell.picImgView sd_setImageWithURL:[NSURL URLWithString:urlStr]];
    cell.textLabel.text = itemModel.name;
    
    return cell;
}

- (CGSize)collectionView:(UICollectionView *)collectionView
                  layout:(UICollectionViewLayout *)collectionViewLayout
  sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
    return CGSizeMake((SCREEN_WIDTH - kLeftTableViewWidth - 4 * kCollectionViewMargin) / 3,
                      (SCREEN_WIDTH - kLeftTableViewWidth - 4 * kCollectionViewMargin) / 3 + 30);
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView
           viewForSupplementaryElementOfKind:(NSString *)kind
                                 atIndexPath:(NSIndexPath *)indexPath
{
    NSString *reuseIdentifier;
    if ([kind isEqualToString:UICollectionElementKindSectionHeader])
    { // header
        reuseIdentifier = @"CollectionViewHeaderView";
    }
    YXDeviceListHeaderView *view = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:@"headerViewID" forIndexPath:indexPath];
    if ([kind isEqualToString:UICollectionElementKindSectionHeader])
    {
        YXDeviceItemModel *model = self.dataSource[indexPath.section];
        view.titleLabel.text = model.name;
    }
    return view;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
{
    return CGSizeMake(SCREEN_WIDTH, 30);
}

// CollectionView分区标题即将展示
- (void)collectionView:(UICollectionView *)collectionView willDisplaySupplementaryView:(UICollectionReusableView *)view forElementKind:(NSString *)elementKind atIndexPath:(NSIndexPath *)indexPath
{
    // 当前CollectionView滚动的方向向上，CollectionView是用户拖拽而产生滚动的（主要是判断CollectionView是用户拖拽而滚动的，还是点击TableView而滚动的）
    if (!_isScrollDown && (collectionView.dragging || collectionView.decelerating))
    {
        [self selectRowAtIndexPath:indexPath.section];
    }
}

// CollectionView分区标题展示结束
- (void)collectionView:(UICollectionView *)collectionView didEndDisplayingSupplementaryView:(nonnull UICollectionReusableView *)view forElementOfKind:(nonnull NSString *)elementKind atIndexPath:(nonnull NSIndexPath *)indexPath
{
    // 当前CollectionView滚动的方向向下，CollectionView是用户拖拽而产生滚动的（主要是判断CollectionView是用户拖拽而滚动的，还是点击TableView而滚动的）
    if (_isScrollDown && (collectionView.dragging || collectionView.decelerating))
    {
        [self selectRowAtIndexPath:indexPath.section + 1];
    }
}

// 当拖动CollectionView的时候，处理TableView
- (void)selectRowAtIndexPath:(NSInteger)index
{
    [self.tableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:index inSection:0] animated:YES scrollPosition:UITableViewScrollPositionMiddle];
}

-(void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    YXDeviceListModel *listModel = self.dataSource[indexPath.section];
    YXDeviceItemModel *itemModel = listModel.children[indexPath.row];
    
    
    YXStepViewController *stepVC = [[YXStepViewController alloc] init];
    stepVC.itemModel = itemModel;
    [self pushViewController:stepVC animated:YES];
    
    
//    RDSResetDeviceVC *resetDeviceVC = [[RDSResetDeviceVC alloc] init];
//    resetDeviceVC.itemModel = itemModel;
//    [self pushViewController:resetDeviceVC animated:YES];
}

#pragma mark - UIScrollView Delegate
// 标记一下CollectionView的滚动方向，是向上还是向下
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    static float lastOffsetY = 0;

    if (self.collectionView == scrollView)
    {
        _isScrollDown = lastOffsetY < scrollView.contentOffset.y;
        lastOffsetY = scrollView.contentOffset.y;
    }
}

- (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