//
//  TFTextView.m
//  TFReader
//
//  Created by 谢腾飞 on 2020/12/23.
//  Copyright © 2020 xtfei_2011@126.com. All rights reserved.
//

#import "TFTextView.h"
#import <YYKit.h>

@interface TFTextView ()<YYTextViewDelegate>

@property (nonatomic ,strong) YYTextView *textView;
@property (nonatomic ,strong) UILabel *countLabel;
@property (nonatomic ,strong) NSString *textStr;

@end

@implementation TFTextView

- (instancetype)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame]) {
        
        self.layer.borderColor = kGrayViewColor.CGColor;
        self.layer.borderWidth = 0.6;
        self.backgroundColor = [UIColor whiteColor];
        
        [self createSubViews];
    }
    return self;
}

- (void)createSubViews
{
    self.textView = [[YYTextView alloc] initWithFrame:CGRectZero];
    self.textView.placeholderText = TFLocalizedString(@"说说你的看法...");
    self.textView.placeholderFont = kFont13;
    self.textView.placeholderTextColor = [UIColor grayColor];
    self.textView.font = kMainFont;
    self.textView.textColor = kBlackColor;
    self.textView.delegate = self;
    [self addSubview:self.textView];
    
    [self.textView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.mas_left).with.offset(5);
        make.top.mas_equalTo(self.mas_top).with.offset(5);
        make.width.mas_equalTo(self.mas_width).with.offset(- 10);
        make.height.mas_equalTo(self.mas_height).with.offset(- 20);
    }];
    
    
    UIToolbar *toolBar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 40)];
    toolBar.barStyle = UIBarStyleDefault;
    UIBarButtonItem *flexibleSpaceItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
    UIBarButtonItem *doneItem = [[UIBarButtonItem alloc] initWithTitle:TFLocalizedString(@"完成") style:UIBarButtonItemStyleDone target:self action:@selector(hideKeyboard)];
    [toolBar setItems:@[flexibleSpaceItem, doneItem]];
    self.textView.inputAccessoryView = toolBar;
    
    
    self.countLabel = [[UILabel alloc] init];
    self.countLabel.font = kFont10;
    self.countLabel.textColor = kGrayTextColor;
    self.countLabel.hidden = YES;
    self.countLabel.textAlignment = NSTextAlignmentRight;
    [self addSubview:self.countLabel];
    
    [self.countLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.textView.mas_left);
        make.bottom.mas_equalTo(self.mas_bottom).with.offset(-5);
        make.width.mas_equalTo(self.textView.mas_width);
        make.height.mas_equalTo(10);
    }];
}

- (void)setMaxWordCount:(NSUInteger)maxWordCount
{
    _maxWordCount = maxWordCount;
    if (maxWordCount > 0) {
        self.countLabel.hidden = NO;
        self.countLabel.text = [NSString stringWithFormat:@"%@/%@", [TFUtilsHelper formatStringWithInteger:0], [TFUtilsHelper formatStringWithInteger:_maxWordCount]];
    }
}

- (NSString *)text
{
    return [self.textView.text stringByReplacingOccurrencesOfString:@"\n" withString:@""];
}

- (void)resetPlaceholderText:(NSString *)placeholderText
{
    self.textView.placeholderText = placeholderText;
}

- (void)textViewDidChange:(YYTextView *)textView
{
    if (textView.text.length >= _maxWordCount) {
        textView.text = [textView.text substringToIndex:_maxWordCount];
    }
    
    if ([self.delegate respondsToSelector:@selector(textViewDidChange:)]) {
        [self.delegate textViewDidChange:textView.text];
    }
    
    self.countLabel.text = [NSString stringWithFormat:@"%@/%@", [TFUtilsHelper formatStringWithInteger:textView.text.length], [TFUtilsHelper formatStringWithInteger:_maxWordCount]];
}

- (void)hideKeyboard
{
    [[[UIApplication sharedApplication] keyWindow] endEditing:YES];
}

@end