//
//  TPLabel.m
//  LYCoreLabelDemo
//
//  Created by zhousan on 15/11/2.
//  Copyright © 2015年 zhousan. All rights reserved.
//

#import "TPEmojiLabel.h"

@implementation TPEmojiLabel

- (id)initWithFrame:(CGRect)frame LineSpace:(CGFloat)lineSpace ParagraphSpacing:(CGFloat)paragraphSpacing {
    self = [super initWithFrame:frame];
    if (self) {
        self.lineSpace = lineSpace;
        self.paragraphSpacing = paragraphSpacing;
        self.numberOfLines = 0;
    }
    return self;
}

- (void)setText:(NSString *)text {
//    [super setText:text];
    NSMutableString *string = [text mutableCopy];
//    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
        NSMutableAttributedString *str = [NSMutableAttributedString stringWithText:string];
        NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
//        paragraphStyle.lineSpacing = self.lineSpace;// 字体的行间距
        paragraphStyle.paragraphSpacing = self.paragraphSpacing;
        CGFloat lineHeight = self.font.lineHeight;
        CGFloat norLineSpace = lineHeight - 15;
        paragraphStyle.lineSpacing = self.lineSpace-norLineSpace;
        NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:
                                    paragraphStyle,NSParagraphStyleAttributeName,
                                    nil];
        NSRange range = NSMakeRange(0, str.length);
        [str addAttributes:attributes range:range];
//        dispatch_async(dispatch_get_main_queue(), ^{
            self.attributedText = str;
//        });
//    });
}

- (void)setTextTogetHeight:(NSString*)text{
    NSMutableAttributedString *str = [NSMutableAttributedString stringWithText:[text mutableCopy]];
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
    CGFloat lineHeight = self.font.lineHeight;
    CGFloat norLineSpace = lineHeight - TEXT_FOUR_LEVELSIZE;
    paragraphStyle.lineSpacing = self.lineSpace-norLineSpace;// 字体的行间距
    paragraphStyle.paragraphSpacing = self.paragraphSpacing;
    
    NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:
                                paragraphStyle,NSParagraphStyleAttributeName,
                                nil];
    NSRange range = NSMakeRange(0, str.length);
    
    [str addAttributes:attributes range:range];
    self.attributedText = str;
}


+ (CGFloat)heightForLabelWithFont:(UIFont *)font Width:(CGFloat)width Text:(NSString *)text LineSpace:(CGFloat)lineSpace ParagraphSpacing:(CGFloat)paragraphSpacing{
    TPEmojiLabel *label = [[TPEmojiLabel alloc] initWithFrame:CGRectZero LineSpace:lineSpace ParagraphSpacing:paragraphSpacing];
    label.font = font;
    [label setTextTogetHeight:text];
    CGFloat lineHeight = font.lineHeight;
    CGFloat norLineSpace = lineHeight - TEXT_FOUR_LEVELSIZE;
    CGFloat height = [label sizeThatFits:CGSizeMake(width, CGFLOAT_MAX)].height+lineSpace-norLineSpace;
    label = nil;
    return height;
}

- (void)addLineViewWithHeight:(CGFloat)height Color:(UIColor *)color{
    CGFloat labelHeight = [self sizeThatFits:CGSizeMake(self.frame.size.width, CGFLOAT_MAX)].height;
    CGFloat oneLine = self.font.lineHeight + self.lineSpace;
    int numberLines = (labelHeight + self.lineSpace)/ oneLine;
    for (int i=0; i<numberLines; i++) {
        UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, i*oneLine + self.font.lineHeight, self.frame.size.width, 1)];
        lineView.backgroundColor = color;
        [self addSubview:lineView];
    }
}

/*
 // Only override drawRect: if you perform custom drawing.
 // An empty implementation adversely affects performance during animation.
 - (void)drawRect:(CGRect)rect {
 // Drawing code
 }
 */

@end