//
//  ChatHistoryController.m
//  AIIM
//
//  Created by gan on 2025/5/2.
//

#import <Foundation/Foundation.h>
#import "ChatHistoryController.h"
#import "config.h"
#import "ChatsStore.h"
#import "CryptoAES.h"
#import "SDWebImage/SDWebImage.h"
#import "FileNetApi.h"
#import "FilePreviewer.h"
#import "HistoryPreloader.h"
#import "chatCellView.h"

@interface ChatHistoryController()<UITextViewDelegate,UITableViewDelegate,UITableViewDataSource,UIScrollViewDelegate,ChatsStoreDelegate>

@property (weak, nonatomic) IBOutlet UILabel *titleLb;
@property (weak, nonatomic) IBOutlet UIScrollView *topScrollV;
@property (weak, nonatomic) IBOutlet UITableView *tableView;

@property (weak, nonatomic) IBOutlet UIImageView *bigImageV;

@property (nonatomic,strong) UITextView *textV;

@property (nonatomic,strong) UIButton *bt1;
@property (nonatomic,strong) UIButton *bt2;
@property (nonatomic,strong) UIButton *bt3;
@property (nonatomic,strong) UIButton *bt4;
@property (nonatomic,strong) UIButton *bt5;
@property (nonatomic,strong) UIButton *bt6;

@property(nonatomic, strong) NSArray *msgList;
@property (nonatomic,strong) NSString *username;
@property (nonatomic,strong) NSString *useravatar;
@property (nonatomic) BOOL canloadhistory;

@property (nonatomic,strong) NSString *ListType;

@property (nonatomic, strong) NSMutableArray * messageArray;
@end


@implementation ChatHistoryController

-(void)viewDidLoad{
    [super viewDidLoad];
    [self.navigationController setNavigationBarHidden:YES animated:NO];

    
    [_tableView registerClass:chatCellView.class forCellReuseIdentifier:NSStringFromClass(chatCellView.class)];
    
    _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    _tableView.backgroundColor = [UIColor clearColor];
    _tableView.delegate=self;
    _tableView.dataSource = self;
    ChatsStore.shareInstance.delegate = self;
    ChatsStore.shareInstance.chatId = self.chatId;
    _titleLb.text = self.titlename;
    _textV=[[UITextView alloc] init];
    _canloadhistory=true;
    [self initTopScrollList];
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
    ChatsStore.shareInstance.delegate = nil;
    ChatsStore.shareInstance.chatId = nil;
}

- (IBAction)gotoback:(id)sender {
    [self dismissViewControllerAnimated:YES completion:nil];
}


-(void)initTopScrollList{
    
    CGFloat btwidth = 50.0f;
    CGFloat btdisten = btwidth+10;
    
    _bt1 = [[UIButton alloc] init];
    _bt1 = [[UIButton alloc] init];
    _bt1.tag = 1;
    _bt1.frame=CGRectMake(btdisten*0, 10, btwidth, 30);
    _bt1.backgroundColor =globalColor(GCTypeGreen);
    _bt1.layer.cornerRadius = 8;
    _bt1.layer.masksToBounds = YES; // 防止子视图超出圆角边界
    _bt1.titleLabel.font = [UIFont systemFontOfSize: 14.0];
    [_bt1 setTitle:@"全部" forState:UIControlStateNormal];
    _bt1.titleLabel.textColor = [UIColor blackColor];
    [_bt1 addTarget:self action:@selector(topBtAct:) forControlEvents:UIControlEventTouchUpInside];
    _bt2 = [[UIButton alloc] init];
    _bt2 = [[UIButton alloc] init];
    _bt2.tag = 2;
    _bt2.frame=CGRectMake(btdisten*1, 10, btwidth, 30);
    _bt2.backgroundColor =[UIColor clearColor];
    _bt2.layer.cornerRadius = 8;
    _bt2.layer.masksToBounds = YES; // 防止子视图超出圆角边界
    _bt2.titleLabel.font = [UIFont systemFontOfSize: 14.0];
    [_bt2 setTitle:@"文本" forState:UIControlStateNormal];
    _bt2.titleLabel.textColor = [UIColor blackColor];
    [_bt2 addTarget:self action:@selector(topBtAct:) forControlEvents:UIControlEventTouchUpInside];
    _bt3 = [[UIButton alloc] init];
    _bt3 = [[UIButton alloc] init];
    _bt3.tag = 3;
    _bt3.frame=CGRectMake(btdisten*2, 10, btwidth, 30);
    _bt3.backgroundColor =[UIColor clearColor]; //globalColor(GCTypeGreen);
    _bt3.layer.cornerRadius = 8;
    _bt3.layer.masksToBounds = YES; // 防止子视图超出圆角边界
    _bt3.titleLabel.font = [UIFont systemFontOfSize: 14.0];
    [_bt3 setTitle:@"图片" forState:UIControlStateNormal];
    _bt3.titleLabel.textColor = [UIColor blackColor];
    [_bt3 addTarget:self action:@selector(topBtAct:) forControlEvents:UIControlEventTouchUpInside];
    _bt4 = [[UIButton alloc] init];
    _bt4 = [[UIButton alloc] init];
    _bt4.tag = 4;
    _bt4.frame=CGRectMake(btdisten*3, 10, btwidth, 30);
    _bt4.backgroundColor =[UIColor clearColor]; //globalColor(GCTypeGreen);
    _bt4.layer.cornerRadius = 8;
    _bt4.layer.masksToBounds = YES; // 防止子视图超出圆角边界
    _bt4.titleLabel.font = [UIFont systemFontOfSize: 14.0];
    [_bt4 setTitle:@"文件" forState:UIControlStateNormal];
    _bt4.titleLabel.textColor = [UIColor blackColor];
    [_bt4 addTarget:self action:@selector(topBtAct:) forControlEvents:UIControlEventTouchUpInside];
    _bt5 = [[UIButton alloc] init];
    _bt5 = [[UIButton alloc] init];
    _bt5.tag = 5;
    _bt5.frame=CGRectMake(btdisten*4, 10, btwidth, 30);
    _bt5.backgroundColor =[UIColor clearColor]; //globalColor(GCTypeGreen);
    _bt5.layer.cornerRadius = 8;
    _bt5.layer.masksToBounds = YES; // 防止子视图超出圆角边界
    _bt5.titleLabel.font = [UIFont systemFontOfSize: 14.0];
    [_bt5 setTitle:@"语音" forState:UIControlStateNormal];
    _bt5.titleLabel.textColor = [UIColor blackColor];
    [_bt5 addTarget:self action:@selector(topBtAct:) forControlEvents:UIControlEventTouchUpInside];
    _bt6 = [[UIButton alloc] init];
    _bt6 = [[UIButton alloc] init];
    _bt6.tag = 6;
    _bt6.frame=CGRectMake(btdisten*5, 10, btwidth, 30);
    _bt6.backgroundColor =[UIColor clearColor]; //globalColor(GCTypeGreen);
    _bt6.layer.cornerRadius = 8;
    _bt6.layer.masksToBounds = YES; // 防止子视图超出圆角边界
    _bt6.titleLabel.font = [UIFont systemFontOfSize: 14.0];
    [_bt6 setTitle:@"视频" forState:UIControlStateNormal];
    _bt6.titleLabel.textColor = [UIColor blackColor];
    [_bt6 addTarget:self action:@selector(topBtAct:) forControlEvents:UIControlEventTouchUpInside];
    
    [_topScrollV addSubview:_bt1];
    [_topScrollV addSubview:_bt2];
    [_topScrollV addSubview:_bt3];
    [_topScrollV addSubview:_bt4];
    [_topScrollV addSubview:_bt5];
    [_topScrollV addSubview:_bt6];
    [self.messageArray removeAllObjects];
    _topScrollV.contentSize = CGSizeMake(60*5+btwidth, 50);
    [self loadData:@""];
}

-(void)topBtAct:(UIButton *)bt{
    
    _bt1.backgroundColor =[UIColor clearColor];
    _bt2.backgroundColor =[UIColor clearColor];
    _bt3.backgroundColor =[UIColor clearColor];
    _bt4.backgroundColor =[UIColor clearColor];
    _bt5.backgroundColor =[UIColor clearColor];
    _bt6.backgroundColor =[UIColor clearColor];
    
    bt.backgroundColor =globalColor(GCTypeGreen);
    if(bt.tag==1){
        [self.messageArray removeAllObjects];
        [self loadData:@""];
        return;
    }
    if(bt.tag==2){
        NSString *type =[NSString stringWithFormat:@"%@",MessageType_text];
        [self.messageArray removeAllObjects];
        [self loadData:type];
        return;
    }
    if(bt.tag==3){
        NSString *type =[NSString stringWithFormat:@"%@",MessageType_image];
        [self.messageArray removeAllObjects];
        [self loadData:type];
        return;
    }
    if(bt.tag==4){
        NSString *type =[NSString stringWithFormat:@"%@",MessageType_file];
        [self.messageArray removeAllObjects];
        [self loadData:type];
        return;
    }
    if(bt.tag==5){
        NSString *type =[NSString stringWithFormat:@"%@",MessageType_voice];
        [self.messageArray removeAllObjects];
        [self loadData:type];
        return;
    }
    if(bt.tag==6){
        NSString *type =[NSString stringWithFormat:@"%@",MessageType_video];
        [self.messageArray removeAllObjects];
        [self loadData:type];
        return;
    }
}


-(void)loadData:(NSString *)state{
    _ListType = state;
    if([_ListType isEqualToString:@""]){
        [self loadAllData];
    }
    else{
        [self loadDataWithType];
    }
}


-(void)loadAllData{
    if(self.type==1){
        [ChatsStore.shareInstance getGroupHistory:self.chatId type:@""];
    }
    else{
        [ChatsStore.shareInstance reloadData:self.chatId];
    }
    
}

-(void)loadDataWithType{
    if(self.type==1){
        [ChatsStore.shareInstance getGroupHistory:self.chatId type:_ListType];
    }
    else{
        [ChatsStore.shareInstance reloadDataWithType:self.chatId type:_ListType];
    }
    
}


#pragma mark ChatsStoreDelegate
-(void)ChatsChange:(NSArray *)msgList type:(NSInteger)typpe{
    NSInteger oldIndex =self.msgList.count;
    self.msgList =msgList;
    
    NSMutableArray * tempArray = [NSMutableArray array];
    for (NSDictionary * msg in msgList) {
        ChatMessageModel *message = [ChatMessageModel modelWithDictionary:msg];
        if (message.avatar.length==0 && message.isSender) {
            message.avatar = self.useravatar;
        }else if (message.avatar.length==0 && !message.isSender) {
            message.avatar = self.avatar;
        }
        
        [tempArray addObject:message];
    }
    
    [self.messageArray removeAllObjects];
    [self.messageArray addObjectsFromArray:tempArray];
    
    // 记录当前滚动位置
    CGPoint contentOffset = self.tableView.contentOffset;
    CGFloat y =self.tableView.contentSize.height-self.tableView.contentOffset.y;
    [self.tableView reloadData];
    if(_canloadhistory){
        [self movetoBotton];
    }
    else{
        if(oldIndex>0){
            contentOffset.y= self.tableView.contentSize.height-y;
            self.tableView.contentOffset = contentOffset;
            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                self->_canloadhistory=true;
            });
        }
    }
    
    
}

-(void)movetoBotton{
    NSLog(@"movetoBotton----------------------");
    if (self.msgList.count>0) {
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            NSIndexPath *lastRowIndexPath = [NSIndexPath indexPathForRow:([self.tableView numberOfRowsInSection:0] - 1) inSection:0];
            //NSLog(@"lastRowIndexPath:%ld",(long)lastRowIndexPath.row);
            [self.tableView scrollToRowAtIndexPath:lastRowIndexPath atScrollPosition:UITableViewScrollPositionBottom animated:NO];
        });
    }
}

-(void)movetoindex:(NSInteger)index{
    NSLog(@"movetoindex----------------------%ld",index);
    NSInteger row =self.msgList.count-index;
    if (row>0) {
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            NSIndexPath *lastRowIndexPath = [NSIndexPath indexPathForRow:(row) inSection:0];
            //NSLog(@"lastRowIndexPath:%ld",(long)lastRowIndexPath.row);
            [self.tableView scrollToRowAtIndexPath:lastRowIndexPath atScrollPosition:UITableViewScrollPositionBottom animated:NO];
        });
    }
}


#pragma mark UITableViewDelegate,UITableViewDataSource
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return self.messageArray.count;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
    chatCellView *cell = [tableView dequeueReusableCellWithIdentifier:NSStringFromClass(chatCellView.class)];
    if (!cell) {
        cell = [[chatCellView alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:NSStringFromClass(chatCellView.class)];
    }
    cell.isHistory = YES;
    cell.parentViewController = self;
//    ChatMessageModel *message = self.messageArray[indexPath.row];
    return cell;
    
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    ChatMessageModel *message = self.messageArray[indexPath.row];
    return [chatCellView cellHeightForMessage:message];
}

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath{
    chatCellView * currentCell = (chatCellView *)cell;
    ChatMessageModel *message = self.messageArray[indexPath.row];
    currentCell.messageModel = message;
    
//    currentCell.batchState = self.isBatchMode;
}



-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
   

    
}

-(CGFloat)getcellHeight:(NSString *)text{
    
    NSString *dcontent = text;//[CryptoAES.shareInstance decryptDataL:text];
    
    
    _textV.font = [UIFont systemFontOfSize:17];
    _textV.layer.masksToBounds = YES; // 防止子视图超出边界
    _textV.editable = NO;
    _textV.scrollEnabled = NO; // 禁止滚动，使内容自适应高度
    CGRect viewFrame = _textV.frame;
    viewFrame.origin.y=16;
    viewFrame.origin.x = 8;
    viewFrame.size.width =self.view.frame.size.width-110;
    _textV.frame=viewFrame;
    _textV.text =dcontent;
    //_textV.text =@"afa faafa faffaf affafafaffa  fafafa affafaf faadafafaf  afafa  aafafafafa  afafafafafaf  fafafaf afaffa";
    [_textV sizeToFit];
    
    viewFrame=_textV.frame;
    CGFloat height = viewFrame.size.height+66;
    return height;
}

-(CGFloat)getImagCellHeight:(NSDictionary *)extend{
    return 232;
}

-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
    
    if (scrollView.contentOffset.y <80) { // 50 是触发加载的额外距离
        
            // 加载更多数据的代码
        if(_canloadhistory){
            NSLog(@"触发加载更多。。。。:111:%f",scrollView.contentOffset.y);
            _canloadhistory=false;
            [self loadhistoryData];
        }
        else{
            NSLog(@"触发加载更多。。。。:2");
        }
    }
    else{
        if(scrollView.contentOffset.y>500){
            NSLog(@"触发加载更多。。。。:3333:%f",scrollView.contentOffset.y);
            
        }
    }
    
}

-(void)loadhistoryData{
    if(self.msgList.count>0){
        NSLog(@"self.msgList:%lu",(unsigned long)self.msgList.count);
        _canloadhistory = false;
        NSDictionary *eldata = self.msgList[0];
        NSString *timestr = eldata[@"timestamp"];
        NSInteger time =timestr.integerValue;
        if([_ListType isEqualToString:@""]){
            NSLog(@"1-------------------");
            [ChatsStore.shareInstance loadNextDataAll:self.chatId timestp:time];
        }
        else{
            NSLog(@"1-------------------");
            [ChatsStore.shareInstance loadNextDataWithType:self.chatId type:_ListType timestp:time];
        }
        
    }
    
}

-(NSDictionary *)getgroupuser:(NSString *)userId{
    for (NSDictionary *item in ChatsStore.shareInstance.groupUserList) {
        NSString *_id = item[@"id"];
        if(_id.integerValue == userId.integerValue){
            return item;
        }
    }
    return nil;
}

-(void)tableListFileAct:(NSDictionary *)msg{
    NSString *messageType=msg[@"messageType"];
    
    if(messageType.intValue==1){//放大展示图片
        NSDictionary *extend = msg[@"extend"];
        NSString *localurl=extend[@"localurl"];
        if([self fileExist:localurl]){
            NSURL *imageURL = [NSURL fileURLWithPath:localurl];
            [_bigImageV sd_setImageWithURL:imageURL
                         placeholderImage:nil
                                  options:SDWebImageRetryFailed];
            _bigImageV.alpha = 1;
            NSLog(@"111111111");
        }
        else{
            NSURL *imgUrl = [NSURL URLWithString:extend[@"url"]];
            [_bigImageV sd_setImageWithURL:imgUrl completed:^(UIImage * _Nullable image, NSError * _Nullable error, SDImageCacheType cacheType, NSURL * _Nullable imageURL) {
            }];
            _bigImageV.alpha = 1;
            NSLog(@"222222222");
        }
        
    }
    if(messageType.intValue==2){//文件
        NSDictionary *extend = msg[@"extend"];
        NSString *localurl=extend[@"localurl"];
        NSString *imgUrl = extend[@"url"];
        NSString *msgId = msg[@"id"];
        if([self fileExist:localurl]){//文件已经下载，打开文件位置
            
        }
        else{//下载文件并保存
            NSLog(@"imgUrl:%@",imgUrl);
            [FileNetApi downLoadWToken:[NSURL URLWithString:imgUrl] thrid:msgId succ:^(int code, NSDictionary * res) {
                NSLog(@"code:%d",code);
            } fail:^(NSError * _Nonnull error) {
                NSLog(@"error:%@",error);
            }];
        }
        
    }
}


-(BOOL)fileExist:(NSString *)filePath{
    NSLog(@"filePath:%@",filePath);
    if ([filePath isKindOfClass:NSString.class]) {
        if (filePath.length>5) {
            // 创建 NSFileManager 实例
            NSFileManager *fileManager = [NSFileManager defaultManager];
            // 检查文件是否存在
            BOOL fileExists = [fileManager fileExistsAtPath:filePath];
            if (fileExists) {
                NSLog(@"文件存在");
                return true;
            } else {
                NSLog(@"文件不存在");
                return false;
            }
        }
    }
    return false;
}

- (NSMutableArray *)messageArray{
    if (!_messageArray) {
        _messageArray = [NSMutableArray array];
    }
    return _messageArray;
}

#pragma mark statusBar
- (UIStatusBarStyle)preferredStatusBarStyle{
    return UIStatusBarStyleLightContent;
}

@end