YYXC_Student/jiaPei/VipModule/VipExamModule/Controller/TempViewController.m

//
//  TempViewController.m
//  jiaPei
//
//  Created by 张嵘 on 2019/8/27.
//  Copyright © 2019 JCZ. All rights reserved.
//

#import "TempViewController.h"
#import "PracticeExamCell.h"
#import "QuestionModel.h"
#import "UIImage+WebP.h"
#import <AVFoundation/AVFoundation.h> // 基于AVFoundation,通过实例化的控制器来设置player属性
#import <AVKit/AVKit.h>
#import <MediaPlayer/MediaPlayer.h>

@interface TempViewController () <UITableViewDelegate, UITableViewDataSource>
@property (strong, nonatomic) UILabel *headerLable;///<题目
@property (strong, nonatomic) UIView *headerView;
@property (strong, nonatomic) UIImageView *imgView;///<图片
@property (strong, nonatomic) UITableView *myTableV;
@property (strong, nonatomic) NSArray *chooseArr;
@property (strong, nonatomic) NSArray *imgArr;//a,b,c,d 图片 未选择
@property (strong, nonatomic) NSArray *duiImgArr;//a,b,c,d 图片 多选对的选项没有选
@property (strong, nonatomic) UIButton *sureBtn;//提交按钮
@property (strong, nonatomic) UIView *footView;//尾视图
@property (strong, nonatomic) UIView *quesDetailView;//试题详解
@property (strong, nonatomic) UILabel *answerLab;//答案
//    @property (strong, nonatomic) MPMoviePlayerController *mpc;//视频
@end

@implementation TempViewController
#pragma mark - Life	Circle
- (void)viewDidLoad {
	[super viewDidLoad];
	_chooseArr = @[@"正确",@"错误"];
	_imgArr =@[@"A",@"B",@"C",@"D"];
	_duiImgArr = @[ @"sel_A",@"sel_B",@"sel_C",@"sel_D"];
	[self.view addSubview:self.myTableV];
	[self creatHeaderView];
	[self creatFootViewSubView];

}

- (void)dealloc {
	[[NSNotificationCenter defaultCenter] removeObserver:self];
}

#pragma mark - Table view data source
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
	switch (_model.type) {
		case 1:
			return 2;
			break;
			
		default:
			return 4;
			break;
	}
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
	PracticeExamCell *cell = [tableView dequeueReusableCellWithIdentifier:@"PracticeExamCell" forIndexPath:indexPath];
	if (_model.isRight!=0||_showAnswer) {
		cell.selectionStyle = UITableViewCellSelectionStyleNone;
	}
	cell.item = [self rightOrFalseStyleIndexStr:indexPath];
	return cell;
}

/**
 *  cell的样式展示判断，0对1错2默认3多选题点后后变色 text的颜色
 *
 *  @param indexPath  选中的选项下标
 *  @return AnswerItem   返回选项模型
 */
- (AnswerItem *)rightOrFalseStyleIndexStr:(NSIndexPath *)indexPath {
	AnswerItem *item = [[AnswerItem alloc]init];
	NSString *index = [NSString stringWithFormat:@"%ld",(long)indexPath.row+1];
	switch (_model.isRight) {//答对答错或没做  0没做  1答对  2答错
		case 0:{
			//            0对1错2默认3多选题点后后变色 text的颜色
			if (_showAnswer) { //背题模式
				if ([_model.RightAwaser containsString:index]) {
					item.picname = @"answer_cell_option_bg_yes";//✔️
					item.type=0;
				}else{
					item.picname = _imgArr[indexPath.row];//多选 该正确答案用户未选择
					item.type=2;
				}
				
			}else{
				if (_model.type==3&&[_model.userAnswer containsString:index]) {//多选
					item.type =3;
				}else{
					item.type =2;
					
				}
				item.picname =_imgArr[indexPath.row];
			}
		}
			
			break;
			
		default:{
			
			if ([_model.RightAwaser containsString:index]) {
				if ([_model.userAnswer containsString:index]) {
					item.picname = @"answer_cell_option_bg_yes";//✔️
					
				}else{
					item.picname = _duiImgArr[indexPath.row];//多选 该正确答案用户未选择
				}
				item.type=0;
			}else if ([_model.userAnswer containsString:index]&&![_model.RightAwaser containsString:index]){ //❌
				item.type=1;
				item.picname = @"answer_cell_option_bg_no";
			}else{
				item.type =2;
				item.picname =_imgArr[indexPath.row];
			}
			
		}
			
			break;
	}
	
	
	switch (_model.type) {
		case 1:{
			item.text  = _chooseArr[indexPath.row];
		}
			
			break;
			
		default:{
			item.text = _model.Awasers[indexPath.row];
		}
			break;
	}
	return item;
}

///  获得用户的选项，多选题将用户的选项大小排序      . */
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
	[tableView deselectRowAtIndexPath:indexPath animated:YES];
	if (_model.isRight==0&&!_showAnswer) {
		NSString *index = [NSString stringWithFormat:@"%ld",(long)indexPath.row+1];
		if (_model.type==3) {//1判断2单选3多选
			
			NSMutableArray *userArray = [NSMutableArray arrayWithArray:[_model.userAnswer componentsSeparatedByString:@","]];
			if ([userArray containsObject:index]) {
				[userArray removeObject:index];
				
			}else{
				[userArray addObject:index];
				
			}
			//多选题,将用户的选项大小排序
			_model.userAnswer = [[userArray sortedArrayUsingSelector:@selector(compare:)] componentsJoinedByString:@","];
			
			[_myTableV reloadRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationNone];
			
		}else{
			
			_model.userAnswer = index;
			[self updataTableV];
			
		}
	}
	
}


#pragma mark - Private Functions
///  创建头视图  _model.type  1判断2单选3多选     . */
- (void)creatHeaderView {
	WeakSelf(weakSelf)
	//创建headerView
	self.headerView = [UIView new];
	[self.headerView addSubview:self.headerLable];
	UIImageView *imgV = [[UIImageView alloc]initWithFrame:CGRectMake(15, 15, 40, 20)];
	switch (_model.type) {
		case 1:
			imgV.image = IMG(@"tag-判断");
			break;
		case 2:
			imgV.image = IMG(@"tag-单选");
			break;
		default:
			imgV.image = IMG(@"tag-多选");
			break;
	}
	
	[_headerView addSubview:imgV];
	
	_myTableV.tableHeaderView = self.headerView;
	//设置约束
	
	[self.headerLable mas_makeConstraints:^(MASConstraintMaker *make) {
		make.left.top.mas_equalTo(15);
		make.width.mas_equalTo(kScreenWidth-30);
	}];
	
	[self questionLabStr:[NSString stringWithFormat:@"%d.%@",self.index + 1,_model.question]];
	
	if (_model.category==0) {
		[self.headerView mas_makeConstraints:^(MASConstraintMaker *make) {
			make.width.mas_equalTo(weakSelf.view.mas_width);
			make.left.top.right.mas_equalTo(0);
			make.bottom.equalTo(weakSelf.headerLable.mas_bottom).offset(15);
		}];
		[_myTableV.tableHeaderView layoutIfNeeded];
		_myTableV.tableHeaderView = self.headerView;
	}else{
		[self creatUIWithType:_model.type];
		
	}
}

/// 尾视图   提交答案；权威解释       . */
- (void)creatFootViewSubView {
	_footView = [UIView new];
	_myTableV.tableFooterView = _footView;
	if (_model.type==3) {//多选
		_sureBtn = [[UIButton alloc]initWithFrame:CGRectMake(30, 15, kScreenWidth-60, 40)];
		[_sureBtn setTitle:@"提交" forState:UIControlStateNormal];
		[_sureBtn addTarget:self action:@selector(sureAction) forControlEvents:UIControlEventTouchUpInside];
		_sureBtn.backgroundColor = defGreen;
		_sureBtn.hidden = YES;
		[_footView addSubview:_sureBtn];
		
	}
	_quesDetailView = [UIView new];
	[_footView addSubview:_quesDetailView];
	
	UIView *leftLine = [[UIView alloc]initWithFrame:CGRectMake(30*HeightScale, 90*HeightScale, kScreenWidth/3, 0.2)];
	[_quesDetailView addSubview:leftLine];
	UIView *rightLine = [[UIView alloc]initWithFrame:CGRectMake(kScreenWidth-30*HeightScale-kScreenWidth/3, 90*HeightScale, kScreenWidth/3, 0.2)];
	[_quesDetailView addSubview:rightLine];
	UILabel *titleLab = [UILabel new];
	titleLab.text = @"权威详解";
	titleLab.font = FONT(18);
	[_quesDetailView addSubview:titleLab];
	[titleLab mas_makeConstraints:^(MASConstraintMaker *make) {
		make.height.mas_equalTo(15);
		make.top.mas_equalTo(80*HeightScale);
		make.centerX.equalTo(_footView.mas_centerX);
	}];
	_answerLab  = [UILabel new];
	NSMutableString *anserStr = [[NSMutableString alloc]initWithString:@"答案："];
	if ([_model.RightAwaser containsString:@"1"]) {
		[anserStr appendString:@"A"];
	}
	if ([_model.RightAwaser containsString:@"2"]) {
		[anserStr appendString:@"B"];
	}
	if ([_model.RightAwaser containsString:@"3"]) {
		[anserStr appendString:@"C"];
	}
	if ([_model.RightAwaser containsString:@"4"]) {
		[anserStr appendString:@"D"];
	}
	_answerLab.text = anserStr;
	[_quesDetailView addSubview:_answerLab];
	[_answerLab mas_makeConstraints:^(MASConstraintMaker *make) {
		make.left.height.mas_equalTo(15);
		make.top.mas_equalTo(160*HeightScale);
	}];
	
	UILabel *difficultLab = [[UILabel alloc]initWithFrame:CGRectMake(kScreenWidth-180, 160*HeightScale, 160, 15)];
	difficultLab.textAlignment = NSTextAlignmentRight;
	difficultLab.text=[NSString stringWithFormat:@"难度: %zd 颗星",_model.difficulty];
	[_quesDetailView addSubview:difficultLab];
	
	UILabel *contentLab = [UILabel new];
	contentLab.numberOfLines = 0;
	contentLab.text = _model.Comments.length>0?[NSString stringWithFormat:@"%@",[_model.Comments stringByReplacingOccurrencesOfString:@"\\n" withString:@" \r\n"]]:@"";
	[_quesDetailView addSubview:contentLab];
	[contentLab mas_makeConstraints:^(MASConstraintMaker *make) {
		make.left.mas_equalTo(15);
		make.top.mas_equalTo(260*HeightScale);
		make.right.mas_equalTo(-15);
	}];
	[_quesDetailView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.top.left.right.mas_equalTo(0);
		make.bottom.equalTo(contentLab.mas_bottom).offset(15);
	}];
	titleLab.textColor =difficultLab.textColor = _answerLab.textColor =leftLine.backgroundColor=rightLine.backgroundColor=RGB_COLOR(88,92,95);
	_quesDetailView.hidden = YES;
	[self reloadFootView];
}

/// 这道题没有做过，不自动显示解析，多选的情况下显示提交按钮       . */
- (void)reloadFootView {
	
	if (_model.isRight==0&&!_showAnswer) {//没做过
		if (_model.type==3) {//多选
			_sureBtn.hidden = NO;
			_quesDetailView.hidden = YES;
			_footView.frame = CGRectMake(0, 0, kScreenWidth, 70);
		}
	}else{
		_sureBtn.hidden = YES;
		_quesDetailView.hidden = NO;
		[_quesDetailView layoutIfNeeded];
		_footView.frame =CGRectMake(0, 0, kScreenWidth, _quesDetailView.frame.size.height);
	}
	_myTableV.tableFooterView = _footView;
}

/**
 *  题目页面展示
 *
 *  @param type  是否有图片0无1图片2视频
 */
- (void)creatUIWithType:(NSInteger)type {
	WeakSelf(weakSelf)
	NSFileManager *fileManager = [NSFileManager defaultManager];
	if (_model.category==1) {
		NSString *createPath = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingPathComponent:[NSString stringWithFormat:@"/image"]];
		NSString *webPPath = [createPath stringByAppendingPathComponent:_model.picName];
		
		if (![fileManager fileExistsAtPath:webPPath]) {
			if(![fileManager fileExistsAtPath:createPath]){
				[fileManager createDirectoryAtPath:createPath withIntermediateDirectories:YES attributes:nil error:nil];
			}
			dispatch_async(dispatch_get_global_queue(0, 0), ^{
				NSData *dataImage=[NSData dataWithContentsOfURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@%@",@"https://www.dyhoa.com/misc/assets/image/",_model.picName]]];
				
				dispatch_async(dispatch_get_main_queue(), ^{
					if(dataImage){
						self.imgView.image = [UIImage sd_imageWithWebPData:dataImage];
						
						[dataImage writeToFile:webPPath atomically:YES];
						
					}else{
						weakSelf.imgView.image = PLACEHOLDERIMG;
						
					}
				});
			});
		} else {
			
			NSData *dataImage=[NSData dataWithContentsOfFile:webPPath];
			self.imgView.image = [UIImage sd_imageWithWebPData:dataImage];
		}
		[self makeConstraintsImageView];
		
	}else if (_model.category==2) {
		
		//        视频
		//        NSString *createPath = IWAccountFile(@"/mp4");
		//        NSString *webPPath = [createPath stringByAppendingPathComponent:_model.VediaName];
		//
		//        NSURL *mpUrl;
		//        if([fileManager fileExistsAtPath:webPPath]){//文件存在
		//            mpUrl = [NSURL fileURLWithPath:webPPath];
		//
		//
		//        }else{
		//            mpUrl =[NSURL URLWithString:[NSString stringWithFormat:@"%@%@",Mp4PathUrl,_model.VediaName]];
		//
		//        }
		//         _mpc = [[MPMoviePlayerController alloc]init];
		//         [_headerView addSubview:_mpc.view];
		//
		//        _mpc.contentURL = mpUrl;
		//        [_mpc prepareToPlay];
		//        //视频显示位置
		//        [_mpc.view mas_makeConstraints:^(MASConstraintMaker *make) {
		//            make.width.mas_equalTo(kwidth-30);
		//            make.left.mas_equalTo(15);
		//            make.top.equalTo(weakSelf.headerLable.mas_bottom).offset(15);
		//            make.height.mas_equalTo(180);
		//        }];
		//
		//        _mpc.repeatMode = MPMovieRepeatModeOne;
		//        _mpc.scalingMode=MPMovieScalingModeAspectFit;
		//
		//        //设置控制模式
		//        [_mpc setControlStyle:MPMovieControlStyleNone];
		//
		//
		//        [_mpc play];
		//        [weakSelf.headerView mas_makeConstraints:^(MASConstraintMaker *make) {
		//            make.left.top.right.mas_equalTo(0);
		//            make.bottom.equalTo(_mpc.view.mas_bottom).offset(15);
		//        }];
		//        [_myTableV.tableHeaderView layoutIfNeeded];
		//        _myTableV.tableHeaderView = self.headerView;
	}
}

- (void)makeConstraintsImageView {
	WeakSelf(weakSelf)
	[weakSelf.imgView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.top.equalTo(weakSelf.headerLable.mas_bottom).offset(15);
		make.left.mas_equalTo(30);
		make.width.mas_equalTo(kScreenWidth-60);
		make.height.mas_equalTo(kScreenWidth*0.4);
	}];
	[weakSelf.headerView mas_makeConstraints:^(MASConstraintMaker *make) {
		make.width.mas_equalTo(weakSelf.view.mas_width);
		make.left.top.right.mas_equalTo(0);
		make.bottom.equalTo(weakSelf.imgView.mas_bottom).offset(15);
	}];
	[_myTableV.tableHeaderView layoutIfNeeded];
	_myTableV.tableHeaderView = self.headerView;
	
}

///   多选题提交答案     . */
- (void)sureAction {
	if (_model.userAnswer.length==0) {
		NSLog(@"-----------选项不能为空---------");
		return;
	}
	_model.userAnswer= [_model.userAnswer stringByReplacingOccurrencesOfString:@"," withString:@""];
	[self updataTableV];
	[self reloadFootView];
}

/// 判断是否回答正确  isRight 1对2错     . */
- (void)updataTableV {
	if ([_model.userAnswer isEqualToString:_model.RightAwaser]) {
		_model.isRight = 1;//对
	}else{
		_model.isRight = 2;//错
	}
	[self reloadFootView];
	[_myTableV reloadData];
	if (self.delegate) {
		[self.delegate saveTheAnswerRecordActionWithQuesTionItem:_model isRight:_model.isRight];
	}
}

/**
 *  调整问题文字显示，设置首行缩进，行间距
 *
 *  @param labStr  问题内容
 */
- (void)questionLabStr:(NSString *)labStr{
	UILabel *lab= [UILabel new];
	lab.font = _headerLable.font;
	lab.numberOfLines = 0;
	lab.text = labStr;
	NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:labStr];
	NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
	[paragraphStyle setFirstLineHeadIndent:45];//首行缩进
	CGSize labsize =  [lab sizeThatFits:CGSizeMake(kScreenWidth-50, CGFLOAT_MAX)];
	if (labsize.height>2*_headerLable.font.lineHeight) {
		[paragraphStyle setLineSpacing:10];//调整行间距
	}
	[attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [labStr length])];
	_headerLable.attributedText = attributedString;
}

#pragma mark - LazyLoad
- (UITableView *)myTableV {
	if (!_myTableV) {
		_myTableV = [UITableView new];
		_myTableV.delegate = self;
		_myTableV.dataSource = self;
		_myTableV.frame = CGRectMake(self.view.bounds.origin.x, self.view.bounds.origin.x, self.view.bounds.size.width, self.view.bounds.size.height - 44 - kSafeAreaBottomHeight);
		_myTableV.estimatedRowHeight = 44;
		_myTableV.rowHeight = UITableViewAutomaticDimension;
		_myTableV.separatorStyle = UITableViewCellSeparatorStyleNone;
		[_myTableV registerClass:[PracticeExamCell class] forCellReuseIdentifier:@"PracticeExamCell"];
	}
	return _myTableV;
}

- (UILabel *)headerLable {
	
	if (!_headerLable) {
		_headerLable = [UILabel new];
		_headerLable.numberOfLines = 0;
	}
	return _headerLable;
}

- (UIImageView *)imgView {
	if (!_imgView) {
		_imgView = [UIImageView new];
		_imgView.contentMode = UIViewContentModeScaleAspectFit;
		[_headerView addSubview:_imgView];
		
	}
	return _imgView;
}




@end