JSJP_Student/jiaPei/Modules/OtherModules/ExaminationModule/ViewModel/ExerciseQuestion/NYQuestionContentViewModel.m

//
//  NYQuestionContentViewModel.m
//  jiaPei
//
//  Created by Ning.ge on 2024/10/31.
//  Copyright © 2024 JCZ. All rights reserved.
//

#import "NYQuestionContentViewModel.h"

@interface NYQuestionContentViewModel ()


@end

@implementation NYQuestionContentViewModel


- (void)loadQuestionContentView:(RQExerciseModel *)exerciseModel tableView:(UITableView *)tableView {
    [self.dataSource removeAllObjects];
    RQCommonGroupViewModel *group0 = [RQCommonGroupViewModel groupViewModel];
    NYExerciseQuestionItemViewModel *exerciseQuestionItemViewModel = [[NYExerciseQuestionItemViewModel alloc] initWithRQExerciseModel:exerciseModel];
    group0.itemViewModels = @[exerciseQuestionItemViewModel];
    [self.dataSource addObject:group0];
    @weakify(self)
    RQCommonGroupViewModel *group1 = [RQCommonGroupViewModel groupViewModel];
        NSArray *allOptionsArr = [@[exerciseModel.ydtQuestionModel.An1,
                                    exerciseModel.ydtQuestionModel.An2,
                                    exerciseModel.ydtQuestionModel.An3,
                                    exerciseModel.ydtQuestionModel.An4,
                                  ].rac_sequence.signal filter:^BOOL(NSString *optionString) {
            return RQStringIsNotEmpty(optionString);
        }].toArray;
    group1.itemViewModels = [allOptionsArr.rac_sequence.signal map:^id _Nullable(NSString *optionString) {
            @strongify(self)
            return [[NYExerciseOptionItemViewModel alloc] initWithRQExerciseModel:exerciseModel allOptionsArr:allOptionsArr optString:optionString];
        }].toArray;
    [self.dataSource addObject:group1];
    [tableView reloadData];
}

#pragma mark - LazyLoad

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

- (void)configureCell:(RQCommonCollectionViewCell *)cell atIndexPath:(NSIndexPath *)indexPath withObject:(id)object {
    [cell bindViewModel:object];
}

#pragma mark - UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return self.dataSource ? self.dataSource.count : 0;
}

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

- (UITableViewCell *)tableView:(UITableView *)tableView dequeueReusableCellWithIdentifier:(NSString *)identifier forIndexPath:(NSIndexPath *)indexPath {
    RQCommonGroupViewModel *groupViewModel = self.dataSource[indexPath.section];
    RQCommonCollectionItemViewModel *itemViewModel = groupViewModel.itemViewModels[indexPath.row];
    return [NSClassFromString(itemViewModel.itemClassName) cellWithTableView:tableView];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    /// fetch cell
    RQCommonCell *cell = (RQCommonCell *)[self tableView:tableView dequeueReusableCellWithIdentifier:@"UITableViewCell" forIndexPath:indexPath];
    RQCommonGroupViewModel *groupViewModel = self.dataSource[indexPath.section];
    id object = groupViewModel.itemViewModels[indexPath.row];
    /// bind model
    [self configureCell:cell atIndexPath:indexPath withObject:(id)object];
    [cell setIndexPath:indexPath rowsInSection:groupViewModel.itemViewModels.count];
    return cell;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    RQCommonGroupViewModel *groupViewModel = self.dataSource[indexPath.section];
    RQCommonItemViewModel *itemViewModel = groupViewModel.itemViewModels[indexPath.row];
    CGFloat rowH = itemViewModel.rowHeight;
    NSLog(@"%@, rowH= %f",indexPath,rowH);
    return rowH; //itemViewModel.rowHeight;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
    RQCommonGroupViewModel *groupViewModel = self.dataSource[section];
    if (groupViewModel.groupModel) {
        return groupViewModel.groupModel.headerHeight;
    } else {
        return groupViewModel.headerHeight;
    }
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
    RQCommonGroupViewModel *groupViewModel = self.dataSource[section];
    if (groupViewModel.groupModel) {
        return groupViewModel.groupModel.footerHeight;
    } else {
        return groupViewModel.footerHeight;
    }
}

#pragma mark      UITableViewDelegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    NSLog(@"indexPath==%zd",indexPath.row);
}


@end