//
//  EMChatBar.m
//  ChatDemo-UI3.0
//
//  Created by XieYajie on 2019/1/25.
//  Copyright © 2019 XieYajie. All rights reserved.
//

#import "EMChatBar.h"
#import "AudioShowView.h"
#import "SmartBarModel.h"
#import "NoticeNewGroupMenuCell.h"

#define ktextViewMinHeight 40
#define ktextViewMaxHeight 120

@interface EMChatBar()<UITextViewDelegate,UICollectionViewDelegate,UICollectionViewDataSource>

@property (nonatomic) CGFloat version;

@property (nonatomic) CGFloat previousTextViewContentHeight;
@property (nonatomic) CGFloat keyHeight;
@property (nonatomic) CGFloat cusviewHeight;
@property (nonatomic, strong) UIButton *selectedButton;
@property (nonatomic, strong) UIButton *speakBtn;
@property (nonatomic, strong) UIButton *audioButton;
@property (nonatomic, strong) UIButton *moreButton;
@property (nonatomic, strong) UIButton *emojiButton;
@property (nonatomic, strong) UIView *currentMoreView;
@property (nonatomic, copy) NSMutableArray * listArray;
@property (strong,nonatomic) UICollectionView    *collectionView;
@property (nonatomic, assign) BOOL    isInput;

@end

@implementation EMChatBar

- (instancetype)init
{
    self = [super init];
    if (self) {
        _version = [[[UIDevice currentDevice] systemVersion] floatValue];
        _previousTextViewContentHeight = ktextViewMinHeight;
        [self _setupSubviews];
    }
    
    return self;
}

#pragma mark - Subviews

- (void)_setupSubviews
{
    self.keyHeight = 56;
    self.cusviewHeight = 0;
    self.backgroundColor = UIColorHex(f5f5f5);
    UIView *line = [[UIView alloc] init];
    line.backgroundColor = UIColorHex(E4E4E4);
    [self  addSubview:line];
    [line mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.left.right.equalTo(self);
        make.height.equalTo(@0.5);
    }];
    self.textView = [[EMTextView alloc] init];
    self.textView.delegate = self;
    self.textView.placeholder = @"";
    self.textView.font = [UIFont systemFontOfSize:16];
    self.textView.returnKeyType = UIReturnKeySend;
    self.textView.backgroundColor = [UIColor whiteColor];
    self.textView.layer.cornerRadius = 5.f;
    self.textView.layer.masksToBounds = YES;
    [self addSubview:self.textView];
    [self.textView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.mas_top).offset(8);
        make.height.mas_equalTo(ktextViewMinHeight);
        make.left.equalTo(self.mas_left).offset(57);
        make.right.equalTo(self.mas_right).offset(-99);
    }];

    self.audioButton = [[UIButton alloc] init];
    [self.audioButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_yy_icon"] forState:UIControlStateNormal];
    [self.audioButton addTarget:self action:@selector(audioButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self  addSubview:self.audioButton];
    [self.audioButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.bottom.mas_equalTo(self.textView.mas_bottom).mas_offset(-6.5);
//        make.centerY.equalTo(self.textView.mas_centerY);
        make.left.mas_offset(15);
        make.size.mas_offset(CGSizeMake(27, 27));
    }];
    
    self.moreButton = [[UIButton alloc] init];
    [self.moreButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_add_icon"] forState:UIControlStateNormal];
    [self.moreButton addTarget:self action:@selector(moreButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self  addSubview:self.moreButton];
    [self.moreButton mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.centerY.equalTo(self.textView.mas_centerY);
        make.bottom.mas_equalTo(self.textView.mas_bottom).mas_offset(-6.5);
        make.right.mas_offset(-15);
        make.size.mas_offset(CGSizeMake(27, 27));
    }];
    
    self.emojiButton = [[UIButton alloc] init];
    [self.emojiButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_bq_icon"] forState:UIControlStateNormal];
    [self.emojiButton addTarget:self action:@selector(emoticonButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:self.emojiButton];
    [self.emojiButton mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.centerY.equalTo(self.textView.mas_centerY);
        make.bottom.mas_equalTo(self.textView.mas_bottom).mas_offset(-6.5);
        make.right.equalTo(self.moreButton.mas_left).offset(-15);
        make.size.mas_offset(CGSizeMake(27, 27));
    }];
    

    self.speakBtn = [[UIButton alloc] init];
    NSMutableAttributedString *startstring = [[NSMutableAttributedString alloc] initWithString:@"按住 说话" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"PingFang SC" size: 17],NSForegroundColorAttributeName: [UIColor colorWithRed:10/255.0 green:10/255.0 blue:10/255.0 alpha:1.0]}];
    NSMutableAttributedString *endstring = [[NSMutableAttributedString alloc] initWithString:@"松开 结束" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"PingFang SC" size: 17],NSForegroundColorAttributeName: [UIColor colorWithRed:10/255.0 green:10/255.0 blue:10/255.0 alpha:1.0]}];
    [self.speakBtn setAttributedTitle:startstring forState:UIControlStateNormal];
    [self.speakBtn setAttributedTitle:endstring forState:UIControlStateHighlighted];
    self.speakBtn.backgroundColor = [UIColor whiteColor];
    self.speakBtn.layer.cornerRadius = 5.f;
    self.speakBtn.layer.masksToBounds = YES;

    [self  addSubview:self.speakBtn];
    [self.speakBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.mas_equalTo(self.textView);
    }];
    self.speakBtn.hidden = YES;
    UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];
    longPress.minimumPressDuration = 0;
    [self.speakBtn addGestureRecognizer:longPress];
}
- (void)longPress:(UILongPressGestureRecognizer *)gestureRecognizer
{
    CGPoint point = [gestureRecognizer locationInView:self];
    NSMutableAttributedString *startstring = [[NSMutableAttributedString alloc] initWithString:@"按住 说话" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"PingFang SC" size: 17],NSForegroundColorAttributeName: [UIColor colorWithRed:10/255.0 green:10/255.0 blue:10/255.0 alpha:1.0]}];
    NSMutableAttributedString *endstring = [[NSMutableAttributedString alloc] initWithString:@"松开 发送" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"PingFang SC" size: 17],NSForegroundColorAttributeName: [UIColor colorWithRed:10/255.0 green:10/255.0 blue:10/255.0 alpha:1.0]}];
    
    if(gestureRecognizer.state == UIGestureRecognizerStateBegan) {
        [self.speakBtn setAttributedTitle:endstring forState:UIControlStateNormal];
        if (self.recordAudioView) {
            [[AudioShowView sharedAudioShowView] show];
            [self.recordAudioView _startRecord];
            [AudioShowView sharedAudioShowView].recorder = [self.recordAudioView getRecorder];
        }
    } else if(gestureRecognizer.state == UIGestureRecognizerStateEnded) {
        [self.speakBtn setAttributedTitle:startstring forState:UIControlStateNormal];
        if (self.recordAudioView) {
            [[AudioShowView sharedAudioShowView] dismiss];
            [self.recordAudioView _stopRecord];
        }
    } else if(gestureRecognizer.state == UIGestureRecognizerStateChanged) {
        if (![self.speakBtn.layer containsPoint:point]) {
            [self.speakBtn setAttributedTitle:endstring forState:UIControlStateNormal];
             if (self.recordAudioView) {
                 [[AudioShowView sharedAudioShowView] dismiss];
                 [self.recordAudioView _cancelRecord];
             }
        }
    } else if (gestureRecognizer.state == UIGestureRecognizerStateFailed) {
        NSLog(@"失败");
    } else if (gestureRecognizer.state == UIGestureRecognizerStateCancelled) {
        NSLog(@"取消");
    }
    if (self.delegate && [self.delegate respondsToSelector:@selector(chatBarDidShowMoreViewAction:)]) {
        [self.delegate chatBarDidShowMoreViewAction:NO];
    }
}

- (void)clearAllView
{
    [self.emojiButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_bq_icon"] forState:UIControlStateNormal];
    [self.audioButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_yy_icon"] forState:UIControlStateNormal];
    [self.moreButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_add_icon"] forState:UIControlStateNormal];
    self.speakBtn.hidden = YES;
    self.textView.hidden = NO;
}
#pragma mark - UITextViewDelegate

- (BOOL)textViewShouldBeginEditing:(UITextView *)textView
{
    if (self.currentMoreView) {
        [self clearAllView];
        [self.currentMoreView removeFromSuperview];
        [self mas_updateConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(self.keyHeight);
        }];
    }
    
    for (UIButton *button in self.buttonArray) {
        if (button.isSelected) {
            button.selected = NO;
            break;
        }
    }
    
    return YES;
}

- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{
    if (self.delegate && [self.delegate respondsToSelector:@selector(inputView:shouldChangeTextInRange:replacementText:)]) {
        return [self.delegate inputView:self.textView shouldChangeTextInRange:range replacementText:text];
    }
    
    return YES;
}

- (void)textViewDidChange:(UITextView *)textView
{
    [self _updatetextViewHeight];
    
    if (self.delegate && [self.delegate respondsToSelector:@selector(inputViewDidChange:)]) {
        [self.delegate inputViewDidChange:self.textView];
    }
}

#pragma mark - Private

- (CGFloat)_gettextViewContontHeight
{
    if (self.version >= 7.0) {
        return ceilf([self.textView sizeThatFits:self.textView.frame.size].height);
    } else {
        return self.textView.contentSize.height;
    }
}

- (void)_updatetextViewHeight
{
    CGFloat height = [self _gettextViewContontHeight];
    if (height < ktextViewMinHeight) {
        height = ktextViewMinHeight;
    }
    if (height > ktextViewMaxHeight) {
        height = ktextViewMaxHeight;
    }
    self.keyHeight = height + 16;
    if (height == self.previousTextViewContentHeight) {
        return;
    }
    
    self.previousTextViewContentHeight = height;
    [self.textView mas_updateConstraints:^(MASConstraintMaker *make) {
        make.height.mas_equalTo(height);
    }];
    if (self.currentMoreView) {
        [self mas_updateConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(self.keyHeight + self.cusviewHeight);
        }];
    }else{
        [self mas_updateConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(self.keyHeight);
        }];
    }
}


#pragma mark - Public

- (void)clearInputViewText
{
    self.textView.text = @"";
    [self _updatetextViewHeight];
}

- (void)inputViewAppendText:(NSString *)aText
{
    if ([aText length] > 0) {
        self.textView.text = [NSString stringWithFormat:@"%@%@", self.textView.text, aText];
        [self _updatetextViewHeight];
    }
}

- (void)clearMoreViewAndSelectedButton
{
    if (self.currentMoreView) {
        [self.currentMoreView removeFromSuperview];
        self.currentMoreView = nil;
        [self clearAllView];
        [self mas_updateConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(self.keyHeight);
        }];
    }
    if (self.selectedButton) {
        self.selectedButton.selected = NO;
        self.selectedButton = nil;
    }
}

#pragma mark - Action

- (void)_buttonAction:(UIButton *)aButton
{
    [self.textView resignFirstResponder];
    
    aButton.selected = !aButton.selected;
    if (self.currentMoreView) {
        [self.currentMoreView removeFromSuperview];
        self.currentMoreView = nil;
    }
    
    if (self.selectedButton != aButton) {
        self.selectedButton.selected = NO;
        self.selectedButton = nil;
        self.selectedButton = aButton;
    } else {
        self.selectedButton = nil;
    }
    
    if (aButton.selected) {
        self.selectedButton = aButton;
    }
    [self clearAllView];
}

- (void)audioButtonAction:(UIButton *)aButton
{
    [self _buttonAction:aButton];
    [self.textView mas_updateConstraints:^(MASConstraintMaker *make) {
        make.height.mas_equalTo(@40);
    }];
    [self mas_updateConstraints:^(MASConstraintMaker *make) {
        make.height.mas_equalTo(@56);
    }];
    if (aButton.selected) {
        [aButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_jp_icon"] forState:UIControlStateNormal];
        self.textView.hidden = YES;
        self.speakBtn.hidden = NO;
    }else{
        [aButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_yy_icon"] forState:UIControlStateNormal];
        self.speakBtn.hidden = YES;
        self.textView.hidden = NO;
        [self.textView becomeFirstResponder];
    }
}

- (void)emoticonButtonAction:(UIButton *)aButton
{
    [self _buttonAction:aButton];
    if (aButton.selected) {
        [aButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_jp_icon"] forState:UIControlStateNormal];
        if (self.moreEmoticonView) {
            self.currentMoreView = self.moreEmoticonView;
            [self addSubview:self.moreEmoticonView];
            [self.moreEmoticonView mas_makeConstraints:^(MASConstraintMaker *make) {
                make.left.equalTo(self);
                make.right.equalTo(self);
                if (@available(iOS 11.0, *)) {
                    make.bottom.equalTo(self.mas_safeAreaLayoutGuideBottom);
                } else {
                    make.bottom.equalTo(self.mas_bottom);
                }
                make.height.mas_equalTo(self.moreEmoticonView.viewHeight);
            }];
            self.cusviewHeight = self.moreEmoticonView.viewHeight;
            [self mas_updateConstraints:^(MASConstraintMaker *make) {
                make.height.mas_equalTo(self.keyHeight + self.cusviewHeight);
            }];
        }
    }else{
        [aButton setImage:[UIImage imageNamed:@"chatmsg_detailchat_bq_icon"] forState:UIControlStateNormal];
        [self mas_updateConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(self.keyHeight);
        }];
        [self.textView becomeFirstResponder];
    }
    if (self.delegate && [self.delegate respondsToSelector:@selector(chatBarDidShowMoreViewAction:)]) {
        [self.delegate chatBarDidShowMoreViewAction:NO];
    }
}

//更多
- (void)moreButtonAction:(UIButton *)aButton
{
    [self _buttonAction:aButton];
    [self addSubview:self.collectionView];
    [self CreatelistView];
    self.currentMoreView = self.collectionView;

    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self);
        make.top.equalTo(self.textView.mas_bottom).offset(8);
        make.right.equalTo(self);
        if (@available(iOS 11.0, *)) {
            make.bottom.equalTo(self.mas_safeAreaLayoutGuideBottom);
        } else {
            make.bottom.equalTo(self.mas_bottom);
        }
    }];
    if (self.cusviewHeight > 0) {
        self.collectionView.hidden = YES;
        [self.textView becomeFirstResponder];
        self.cusviewHeight = 0;
        if (self.delegate && [self.delegate respondsToSelector:@selector(chatBarDidShowMoreViewAction:)]) {
            [self.delegate chatBarDidShowMoreViewAction:YES];
        }
//        [self.collectionView mas_updateConstraints:^(MASConstraintMaker *make) {
//            make.height.mas_equalTo(self.cusviewHeight);
//        }];
    }else{
        self.collectionView.hidden = NO;
        self.cusviewHeight = 215.f * HEIGHT_SCALE;
        if (self.delegate && [self.delegate respondsToSelector:@selector(chatBarDidShowMoreViewAction:)]) {
            [self.delegate chatBarDidShowMoreViewAction:NO];
        }
//        [self.collectionView mas_updateConstraints:^(MASConstraintMaker *make) {
//            make.height.mas_equalTo(self.cusviewHeight);
//        }];
    }

    [self mas_updateConstraints:^(MASConstraintMaker *make) {
        make.height.mas_equalTo(self.keyHeight + self.cusviewHeight);
    }];

}

- (void)CreatelistView
{
    [self.listArray removeAllObjects];
    NSArray * array = @[@{@"name":@"图片",@"image":@"chatmsg_notice_photo_icon",@"type":@(0)},
                        @{@"name":@"拍摄",@"image":@"chatmsg_notice_xiangji_icon",@"type":@(1)},
                        @{@"name":@"我的笔记",@"image":@"chatmsg_notice_biji_icon",@"type":@(2)},
                        @{@"name":@"我的收藏",@"image":@"chatmsg_notice_sc_icon",@"type":@(3)},
                        @{@"name":@"文件",@"image":@"chatmsg_notice_file_icon",@"type":@(4)}];
    for (NSDictionary * dict in array) {
        SmartBarModel * model = [[SmartBarModel alloc] init];
        model.name = [dict objectForKey:@"name"];
        model.image = [dict objectForKey:@"image"];
        model.type = [[dict objectForKey:@"type"] intValue];
        [self.listArray addObject:model];
    }
    [self.collectionView reloadData];
}
#pragma mark - UICollectionView
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.listArray.count;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    SmartBarModel * model = [self.listArray objectAtIndex:indexPath.item];
    NoticeNewGroupMenuCell *cell = [ collectionView dequeueReusableCellWithReuseIdentifier:@"NoticeNewGroupMenuCell" forIndexPath:indexPath];
    cell.cell0ImgView.image = [UIImage imageNamed:model.image];
    cell.cell0TitleLabel.text = model.name;
    return cell;
}

/****************************************************/
#pragma mark --UICollectionViewDelegateFlowLayout
/****************************************************/
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
    CGFloat width = (SCREEN_WIDTH - 60 - 75) * 0.25;
    CGFloat height = Height_SCALE(100);
    return CGSizeMake(width, height);
}

//设置每个item的UIEdgeInsets
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
{
    return UIEdgeInsetsMake(0, 0, 0, 0);
}
//设置每个item水平间距
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section
{
    return 25.f;
}

//设置每个item垂直间距
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section
{
    return 0.f;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    [collectionView deselectItemAtIndexPath:indexPath animated:YES];
    SmartBarModel * model = [self.listArray objectAtIndex:indexPath.item];
    if(self.delegate && [self.delegate respondsToSelector:@selector(chatBarClickMoreType:)]){
        [self.delegate chatBarClickMoreType:model.type];
    }
}
#pragma mark - CusView
- (UICollectionView *)collectionView
{
    if (!_collectionView) {
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:[[UICollectionViewFlowLayout alloc] init]];
        [_collectionView registerNib:[UINib nibWithNibName:@"NoticeNewGroupMenuCell" bundle:nil] forCellWithReuseIdentifier:@"NoticeNewGroupMenuCell"];
        _collectionView.backgroundColor = UIColorHex(#F4F4F6);
        _collectionView.showsVerticalScrollIndicator = NO;
        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.contentInset = UIEdgeInsetsMake(0, 30, 0, 30);
        _collectionView.alwaysBounceVertical = YES;
        _collectionView.scrollEnabled = NO;
        _collectionView.dataSource = self;
        _collectionView.delegate = self;
    }
    return _collectionView;
}
- (NSMutableArray *)listArray
{
    if (!_listArray) {
        _listArray = [NSMutableArray array];
    }
    return _listArray;
}

@end