//
//  KXCustomServiceViewController.m
//  CAISHEN
//
//  Created by xiaoxi on 2017/12/6.
//  Copyright © 2017年 kuxuan. All rights reserved.
//

#import "KXCustomServiceViewController.h"
#import "KXCustomServiceTableViewCell.h"
#import "KXCommentBottomBar.h"
#import "KXCommentPutBar.h"
#import "IQKeyboardManager.h"
#import "KXTime.h"

@interface KXCustomServiceViewController () <UITableViewDelegate,UITableViewDataSource,KXBottomInputBarDelegate> {
    UIView *_maskView;
    KXCommentPutBar *_putBar;
}
@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) NSMutableArray *dataSource;
@property (nonatomic, strong) NSDateFormatter *fmt;
@property (nonatomic, assign) NSInteger first;
@property (nonatomic, strong) NSTimer *timer;
@property (nonatomic, strong) UIButton *writeBtn;
@property (nonatomic, assign) CGRect keyboardFrame;
@property (nonatomic, strong) MBProgressHUD *hud;
@end

@implementation KXCustomServiceViewController

static NSString *const cellID = @"custom";

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    [[IQKeyboardManager sharedManager]setEnable:NO];
    [self setupNavView];
    [self setupContentView];
    [self createBottomBarView];
    [self setNotification];
}

- (void)setupNavView {
    
    self.name = @"客服";
    [self addLeftBarButtonItemWithImageName:@"main_back" title:nil target:self selector:@selector(backItemAction)];
}

- (void)backItemAction {
    
    [self.navigationController popViewControllerAnimated:YES];
}

- (void)setupContentView {
    
    self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT-NavHeight-44) style:UITableViewStylePlain];
    self.tableView.backgroundColor = [UIColor KXColorWithHex:0xf8f8f8];
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
    [self.tableView registerClass:[KXCustomServiceTableViewCell class] forCellReuseIdentifier:cellID];
    [self.view addSubview:self.tableView];
    
    [self loadFirstData];
}

- (void)loadFirstData {
    
    if ([KXTime validateWithStartTime:@"09:00" withExpireTime:@"18:00"]) {
        KXChatModel *model = [[KXChatModel alloc] init];
        model.isLeft = YES;
        model.isShowTime = YES;
        model.time = [self.fmt stringFromDate:[NSDate date]];
        self.first = (arc4random()%31)+20;
        model.msg = [NSString stringWithFormat:@"您好，正在等待客服接入，当前有%ld人正在排队，因当前资讯人数较多，请耐心等待~您可以先简单描述所要资讯的问题~",self.first];
        CGRect timeRect = [model.time boundingRectWithSize:CGSizeMake(200, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:FONT_SYS(12*SCREEN_MUTI)} context:nil];
        CGRect msgRect = [model.msg boundingRectWithSize:CGSizeMake(SCREEN_WIDTH-(18+44+52)*SCREEN_MUTI, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:FONT_SYS(14*SCREEN_MUTI)} context:nil];
        CGFloat timeHeight = ceil(timeRect.size.height);
        CGFloat msgHeight = ceil(msgRect.size.height);
        if (msgHeight + 20 < 44) {
            msgHeight = 24;
        }
        model.cellHeight = timeHeight+msgHeight+20+14;
        [self.dataSource addObject:model];
        [self.tableView reloadData];
        self.timer = [NSTimer scheduledTimerWithTimeInterval:180.0f target:self selector:@selector(firstChange) userInfo:nil repeats:YES];
    } else {
        UIView *header = [[UIView alloc] initWithFrame:CGRectZero];
        header.backgroundColor = [UIColor KXColorWithHex:0xffed99];
        
        NSString *hello = @"当前客服不在，您可以留言，客服上线后会第一时间回复您（客服时间：周一到周日，09：00-18：00）";
        CGRect helloRect = [hello boundingRectWithSize:CGSizeMake(SCREEN_WIDTH, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:FONT_SYS(14*SCREEN_MUTI)} context:nil];
        CGFloat helloWidth = ceil(helloRect.size.width);
        CGFloat helloHeight = ceil(helloRect.size.height);
        
        UILabel *helloLabel = [[UILabel alloc] initWithFrame:CGRectZero];
        helloLabel.backgroundColor = [UIColor clearColor];
        helloLabel.font = FONT_SYS(14*SCREEN_MUTI);
        helloLabel.textColor = [UIColor titleColor];
        helloLabel.numberOfLines = 0;
        helloLabel.textAlignment = NSTextAlignmentCenter;
        helloLabel.text = hello;
        [header addSubview:helloLabel];
        
        [helloLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.center.equalTo(header);
            make.size.mas_equalTo(CGSizeMake(helloWidth, helloHeight));
        }];
        
        header.frame = CGRectMake(0, 0, SCREEN_WIDTH, helloHeight+20);
        
        self.tableView.tableHeaderView = header;
    }
}
                  
- (void)firstChange {
    
    self.first --;
    if (self.first < 31) {
        self.first = 31;
    }
}

- (void)createBottomBarView {
    
    UIView *bottomView = [[UIView alloc] initWithFrame:CGRectMake(0, SCREEN_HEIGHT-NavHeight-safeBottomHeight-44, SCREEN_WIDTH, 44)];
    bottomView.backgroundColor = [UIColor whiteColor];
    [self.view addSubview:bottomView];
    
    UILabel *lineLabel=[[UILabel alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 1)];
    lineLabel.backgroundColor=[UIColor KXColorWithHex:0xdddddd];
    [bottomView addSubview:lineLabel];
    
    self.writeBtn=[UIButton buttonWithType:UIButtonTypeCustom];
    [self.writeBtn setTitle:@"请输入您想咨询的问题..." forState:UIControlStateNormal];
    [self.writeBtn setTitleColor:[UIColor detailTitleColor] forState:UIControlStateNormal];
    self.writeBtn.backgroundColor=[UIColor KXColorWithHex:0xf4f5f6];
    self.writeBtn.titleLabel.font=FONT_SYS(14);
    self.writeBtn.contentHorizontalAlignment=UIControlContentHorizontalAlignmentLeft;
    self.writeBtn.titleEdgeInsets=UIEdgeInsetsMake(0, 14, 0, 0);
    self.writeBtn.layer.cornerRadius=16;
    self.writeBtn.layer.borderColor=[UIColor KXColorWithHex:0xe5e5e5].CGColor;
    self.writeBtn.layer.borderWidth=1;
    self.writeBtn.layer.masksToBounds=YES;
    [self.writeBtn addTarget:self action:@selector(writeCommentAction) forControlEvents:UIControlEventTouchUpInside];
    [bottomView addSubview:self.writeBtn];
    
    [self.writeBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(bottomView).offset(18);
        make.centerY.equalTo(bottomView);
        make.right.equalTo(bottomView).offset(-18);
        make.height.equalTo(@28);
    }];
    
    _maskView=[[UIView alloc]initWithFrame:self.view.bounds];
    _maskView.backgroundColor=[UIColor colorWithWhite:0 alpha:0.4];
    UITapGestureRecognizer *tap=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(hideMask)];
    [_maskView addGestureRecognizer:tap];
    _maskView.hidden=YES;
    [self.view addSubview:_maskView];
    
    _putBar=[[KXCommentPutBar alloc]initWithFrame:CGRectMake(0, SCREEN_HEIGHT-44-64, SCREEN_WIDTH, 44)];
    _putBar.backgroundColor=[UIColor KXColorWithRed:239 green:239 blue:244];;
    _putBar.delegate=self;
    [_putBar.sendBtn setTitle:@"发送" forState:UIControlStateNormal];
    [_maskView addSubview:_putBar];
}

- (void)writeCommentAction {
    
    [_putBar.inputView becomeFirstResponder];
    _maskView.hidden=NO;
}

-(void)hideMask
{
    [_putBar.inputView resignFirstResponder];
    _maskView.hidden=YES;
}

/**
 设置通知
 */
- (void)setNotification {
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
}

#pragma mark - NotificationEventAction
- (void)keyboardWillHide:(NSNotification *)notification {
    
    NSDictionary *info = [notification userInfo];
    
    CGFloat duration = [[info objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue];
    
    [UIView animateWithDuration:duration animations:^{
        _maskView.hidden = YES;
        _putBar.inputView.text=@"";
        _putBar.frame = CGRectMake(0, SCREEN_HEIGHT-44-64, SCREEN_WIDTH, 44);
    } completion:^(BOOL finished) {
        
    }];
}

- (void)keyboardWillShow:(NSNotification *)notification {
    
    NSDictionary *info = [notification userInfo];
    
    self.keyboardFrame = [[info objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
    CGFloat duration = [[info objectForKey:UIKeyboardAnimationDurationUserInfoKey] floatValue];
    
    [UIView animateWithDuration:duration animations:^{
        _maskView.hidden = NO;
        _putBar.frame =CGRectMake(0, self.keyboardFrame.origin.y-44-64, SCREEN_WIDTH, 44) ;
    }];
}

#pragma mark KXBottomInputBarDelegate

-(void)textHeightChange:(NSInteger)height
{
    CGRect rect=_putBar.frame;
    _putBar.frame=CGRectMake(rect.origin.x,self.keyboardFrame.origin.y-height-30-64, rect.size.width, height+30);
}

-(void)sendText:(NSString *)text
{
    [_hud show:YES];
    NSString *urlString=[NSString stringWithFormat:@"%@/user/personalCenter",URL];
    [KXHTTP post:urlString params:nil success:^(id json) {
        NSString *username= [[NSUserDefaults standardUserDefaults]valueForKey:USER_NAME];
        [_hud hide:YES];
        if (!username) {
            _maskView.hidden=YES;
            [_putBar.inputView resignFirstResponder];
            UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"温馨提示" message:@"请先去登录" preferredStyle:UIAlertControllerStyleAlert];
            [alertController addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                
            }]];
            [self presentViewController:alertController animated:YES completion:nil];
        }else{
            _maskView.hidden=YES;
            [_putBar.inputView resignFirstResponder];
            if (text.length) {
                KXChatModel *model = [[KXChatModel alloc] init];
                model.isLeft = NO;
                model.isShowTime = YES;
                model.time = [self.fmt stringFromDate:[NSDate date]];
                model.msg = text;
                CGRect timeRect = [model.time boundingRectWithSize:CGSizeMake(200, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:FONT_SYS(12*SCREEN_MUTI)} context:nil];
                CGRect msgRect = [model.msg boundingRectWithSize:CGSizeMake(SCREEN_WIDTH-(18+44+52)*SCREEN_MUTI, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:FONT_SYS(14*SCREEN_MUTI)} context:nil];
                CGFloat timeHeight = ceil(timeRect.size.height);
                CGFloat msgHeight = ceil(msgRect.size.height);
                if (msgHeight + 20 < 44) {
                    msgHeight = 24;
                }
                model.cellHeight = timeHeight+msgHeight+20+14;
                [self.dataSource addObject:model];
                if ([KXTime validateWithStartTime:@"09:00" withExpireTime:@"18:00"]) {
                    KXChatModel *model1 = [[KXChatModel alloc] init];
                    model1.isLeft = YES;
                    model1.isShowTime = YES;
                    model1.time = [self.fmt stringFromDate:[NSDate date]];
                    model1.msg = [NSString stringWithFormat:@"您好，正在等待客服接入，当前有%ld人正在排队，因当前资讯人数较多，请耐心等待~您可以先简单描述所要资讯的问题~",self.first];
                    CGRect timeRect1 = [model1.time boundingRectWithSize:CGSizeMake(200, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:FONT_SYS(12*SCREEN_MUTI)} context:nil];
                    CGRect msgRect1 = [model1.msg boundingRectWithSize:CGSizeMake(SCREEN_WIDTH-(18+44+52)*SCREEN_MUTI, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:FONT_SYS(14*SCREEN_MUTI)} context:nil];
                    CGFloat timeHeight1 = ceil(timeRect1.size.height);
                    CGFloat msgHeight1 = ceil(msgRect1.size.height);
                    if (msgHeight1 + 20 < 44) {
                        msgHeight1 = 24;
                    }
                    model1.cellHeight = timeHeight1+msgHeight1+20+14;
                    [self.dataSource addObject:model1];
                }
                [self.tableView reloadData];
                [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:self.dataSource.count-1 inSection:0] atScrollPosition:UITableViewScrollPositionBottom animated:YES];
            }
        }
    } failure:^(NSError *error) {
        [_hud hide:YES];
    }];
}

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

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    KXCustomServiceTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID forIndexPath:indexPath];
    KXChatModel *model = self.dataSource[indexPath.row];
    [cell refreshCell:model];
    return cell;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    KXChatModel *model = self.dataSource[indexPath.row];
    return model.cellHeight;
}

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

- (NSDateFormatter *)fmt {
    if (!_fmt) {
        _fmt = [[NSDateFormatter alloc] init];
        _fmt.dateFormat = @"HH:mm";
    }
    return _fmt;
}

-(MBProgressHUD *)hud
{
    if (!_hud) {
        _hud=[[MBProgressHUD alloc]initWithView:self.view];
        _hud.labelText=@"发送中...";
        [self.view addSubview:_hud];
    }
    return _hud;
}

- (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