ios/Timi/Class/AppController/ChatRoom/ChatRoomLive/ChatMessage/XYRoomChatMessageViewController.m

//
//  XYRoomChatMessageViewController.m
//  Starbuds
//
//  Created by 翟玉磊 on 2020/9/23.
//  Copyright © 2020 翟玉磊. All rights reserved.
//

#import "XYRoomChatMessageViewController.h"
#import "XYMessageMainViewModel.h"
#import "XYMessageMainTableViewCell.h"
#import "XYChatRoomDispatchCommitHallListView.h"
#import "XYUserDynamicListViewController.h"
#import "XYSystemMessageViewController.h"
#import "XYUnReadBadgeView.h"

@interface XYRoomChatMessageViewController ()<UITableViewDelegate, UITableViewDataSource>

@property (nonatomic, strong) UIView *bgView;
@property (nonatomic, strong) UIView *infoView;

@property (nonatomic, strong) UIView *titleView;
@property (nonatomic, strong) UILabel *titleLabel;

@property (nonatomic, strong) UIButton *systemButton;
@property (nonatomic, strong) XYUnReadBadgeView *badgeLabel;

@property (nonatomic, strong) UITableView *tableView;

/**
*  消息列表的视图模型
*  视图模型能够协助消息列表界面实现数据的加载、移除、过滤等多种功能。替界面分摊部分的业务逻辑运算。
*/
@property (nonatomic, strong) XYMessageMainViewModel *viewModel;

@end

@implementation XYRoomChatMessageViewController

- (void)dealloc {
    [self clear];
}

#pragma mark — Public
- (void)clear {
    [self.view removeFromSuperview];
    [self removeFromParentViewController];
    [NotificationCenter removeObserver:self];
}

- (void)show {
    self.view.hidden = NO;
    [self.view.superview bringSubviewToFront:self.view];
    [UIView animateWithDuration:.3 animations:^{
        self.infoView.frame = CGRectMake(self.infoView.f_x, STATUS_HEIGHT+340.0f, self.infoView.f_width, self.infoView.f_heigh);
    } completion:^(BOOL finished) {
        [self.viewModel loadConversation];
    }];
}

- (void)hide {
    [UIView animateWithDuration:.3 animations:^{
        self.infoView.frame = CGRectMake(self.infoView.f_x, SCREEN_HEIGHT, self.infoView.f_width, self.infoView.f_heigh);
    } completion:^(BOOL finished) {
        self.view.hidden = YES;
    }];
}

#pragma mark — UITableViewDelegate, UITableViewDataSource
- (nonnull UITableViewCell *)tableView:(nonnull UITableView *)tableView cellForRowAtIndexPath:(nonnull NSIndexPath *)indexPath {
    XYMessageMainTableViewCell *cell = [XYMessageMainTableViewCell cellWithTableView:tableView];
    [cell configureModel:self.viewModel.dataSource[indexPath.row]];
    return cell;
}

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

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 64.0f;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    
    XYMessageMainCellModel *model = self.viewModel.dataSource[indexPath.row];
    switch (model.messageType) {
        case Message_List_Type_Dispatch_Order:
        {
            // 消息Tab，点[系统消息]的次数
            [StatisticsManager event:@"news_systemmessage_click"];
            
            XYChatRoomDispatchCommitHallListView *controller = XYChatRoomDispatchCommitHallListView.new;
            [self.navigationController pushViewController:controller animated:YES];
        }
            break;
        case Message_List_Type_Dynamic:
        {
            XYUserDynamicListViewController *controller = XYUserDynamicListViewController.new;
            controller.isCloseScroll = YES;
            [self.navigationController pushViewController:controller animated:YES];
        }
            break;
        case Message_List_Type_Chat:
        {
            [self.navigationController pushViewController:[XYNewChatViewController createPrivateChatControllerWithConvId:model.convId] animated:YES];
        }
            break;
        default:
            break;
    }
}

#pragma mark — begin-------左滑删除-------
// 判断是否可以编辑
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
    if ((self.viewModel.fixedList.count-1) < indexPath.row) {
        // 固定cell不能编辑
        return YES;
    }
    return NO;
}
// 定义编辑样式
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
    return UITableViewCellEditingStyleDelete;
}

// 进入编辑模式，按下出现的编辑按钮后,进行删除操作
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    if (editingStyle == UITableViewCellEditingStyleDelete) {
        // 进行删除数据源的操作
        XYMessageMainCellModel *conv = self.viewModel.dataSource[indexPath.row];
        [self.viewModel removeData:conv];
        [tableView beginUpdates];
        [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath, nil] withRowAnimation:UITableViewRowAnimationLeft];
        [tableView endUpdates];
    }
}

// 修改编辑按钮的文字
- (NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath {
    return kLocalizedString(@"删除");
}
#pragma mark — end-------左滑删除-------

#pragma mark — Action
- (void)systemButtonAction:(id)sender {
    XYSystemMessageViewController *controller = XYSystemMessageViewController.new;
    controller.isShowNavigation = YES;
    [self.navigationController pushViewController:controller animated:YES];
}

- (instancetype)init
{
    self = [super init];
    if (self) {
        self.keyboardEnable = NO;
        self.shouldAutoToolbarEnable = NO;
    }
    return self;
}

#pragma mark — Override
- (void)bindViewModel {
    self.viewModel = [XYMessageMainViewModel new];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self setupUI];
        
    /// 登录状态改变
    [NotificationCenter addObserver:self selector:@selector(updateUserStatusNotifition:) name:USER_LOGIN_STATUS_NOTIFICATION object:nil];
    // 收到系统消息
    [[NSNotificationCenter defaultCenter] addObserver:self
                           selector:@selector(onRefreshNotification:) name:RECEIVED_SYSTEM_MESSAGE_NOTIFICATION
                             object:nil];
    // 消息阅读状态改变通知
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(onRefreshNotification:) name:MODIFY_MESSAGE_READ_STATUS_NOTIFICATION
                                               object:nil];
    @weakify(self)
    [self.viewModel setUpdateList:^{
        @strongify(self)
        [self.tableView reloadData];
        
        // 更新红点
        [self onRefreshNotification:nil];
    }];
}

- (void)updateUserStatusNotifition:(NSNotification *)info {
    // 先清空会话列表
    self.viewModel.dataList = [NSArray array];
    [self.viewModel loadConversation];
    
    // 更新红点
    [self onRefreshNotification:nil];
}

- (void)onRefreshNotification:(NSNotification *)info {
    NSInteger systemUnreadCount = [DataBase getSystemMessageUnreadNum];
    CGFloat badgeWidth = [self.badgeLabel setNum:systemUnreadCount];
    self.badgeLabel.frame = CGRectMake(self.titleView.f_width - 10.0f - badgeWidth, self.badgeLabel.f_y, badgeWidth, self.badgeLabel.f_heigh);
}

- (void)setupUI {
    
    self.view.backgroundColor = Color_Clear;
    
    [self.view addSubview:self.bgView];
    [self.view addSubview:self.infoView];
    
    [self.infoView addSubview:self.titleView];
    [self.titleView addSubview:self.titleLabel];
    [self.titleView addSubview:self.systemButton];
    [self.titleView addSubview:self.badgeLabel];
    
    [self.infoView addSubview:self.tableView];
    
    [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.titleView).offset(44.0f);
        make.right.equalTo(self.titleView).offset(-44.0f);
        make.centerY.equalTo(self.titleView);
    }];
    
    [self.badgeLabel addViewBorder:Color_Clear redian:12/2];
}

#pragma mark — Getter
- (UIView *)bgView {
    if (!_bgView) {
        _bgView = [[UIView alloc] initWithFrame:[UIScreen mainScreen].bounds];
        _bgView.backgroundColor = Color_Clear;
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hide)];
        _bgView.userInteractionEnabled = YES;
        [_bgView addGestureRecognizer:tap];
    }
    return _bgView;
}
- (UIView *)infoView {
    if (!_infoView) {
        _infoView = [[UIView alloc] initWithFrame:CGRectMake(0, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT-340.0f-STATUS_HEIGHT)];
        _infoView.backgroundColor = Color_White;
        [_infoView addViewBorderWithCorners:UIRectCornerTopLeft|UIRectCornerTopRight color:Color_Clear redian:8];
        // 添加下滑手势
        UISwipeGestureRecognizer *downSwipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(hide)];
        [downSwipe setDirection:UISwipeGestureRecognizerDirectionDown];
        _infoView.userInteractionEnabled = YES;
        [_infoView addGestureRecognizer:downSwipe];
    }
    return _infoView;
}
- (UIView *)titleView {
    if (!_titleView) {
        _titleView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.infoView.f_width, 44.0f)];
        _titleView.backgroundColor = Color_Clear;
    }
    return _titleView;
}
- (UILabel *)titleLabel {
    if (!_titleLabel) {
        _titleLabel = [UILabel createLabelTextColor:Color_TextFont fount:Font_B(20)];
        _titleLabel.text = kLocalizedString(@"消息");
        _titleLabel.textAlignment = NSTextAlignmentCenter;
    }
    return _titleLabel;
}
- (UITableView *)tableView {
    if (!_tableView) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, self.titleView.f_top, self.infoView.f_width, self.infoView.f_heigh - self.titleView.f_top) style:UITableViewStylePlain];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.backgroundColor = Color_Clear;
        _tableView.tableFooterView = [UIView new];
    }
    return _tableView;
}
- (UIButton *)systemButton {
    if (_systemButton == nil) {
        _systemButton = [UIButton createButtonTextColor:Color_TextFont textFont:Font(14)];
        _systemButton.frame = CGRectMake(self.titleView.f_width - 5.0f - 70.0f, 0, 65.0f, 44.0f);
        [_systemButton setTitle:@"系统消息" forState:UIControlStateNormal];
        [_systemButton addTarget:self action:@selector(systemButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _systemButton;
}
- (XYUnReadBadgeView *)badgeLabel {
    if (!_badgeLabel) {
        _badgeLabel = [[XYUnReadBadgeView alloc] initWithFrame:CGRectMake(self.titleView.f_width - 10.0f - 8.0f, 10.0f, 12.0f, 12.0f)];
        _badgeLabel.unReadLabel.font = Font_B(8);
        _badgeLabel.unReadLabel.textColor = Color_White;
        _badgeLabel.viewHeight = 12.0f;
    }
    return _badgeLabel;
}
@end