//
//  RichTextLabel.m
//  BabyAlbum
//
//  Created by mambaxie on 2021/7/3.
//

#import "RichTextLabel.h"

@implementation RichLabelItem
+ (instancetype)itemWithText:(NSString *)text action:(void (^)(void))action
{
    RichLabelItem *item = [RichLabelItem new];
    item.title = text;
    item.action = action;
    
    return item;
}
@end

@implementation RichTextLabel

+ (instancetype)richTextFullString:(NSString *)fullString items:(NSArray<RichLabelItem *> *)items maxWidth:(CGFloat)maxWidth
{
    BOOL isVIP = [fullString containsString:@"iTunes商店"];
    
    RichTextLabel *richLabel = [[RichTextLabel alloc] init];
    
    NSDictionary *attributes = @{NSFontAttributeName:SMALL_FONT, NSForegroundColorAttributeName: [UIColor colorWithWhite:1.0 alpha:0.4]};
    if (isVIP) {
        attributes = @{NSFontAttributeName:SMALL_11_FONT, NSForegroundColorAttributeName: [UIColor colorWithWhite:1.0 alpha:0.4]};
    }
    
    NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:fullString attributes:attributes];
    
    text.yy_lineSpacing = 2.5;
    text.yy_alignment = isVIP ? NSTextAlignmentCenter : NSTextAlignmentLeft;
    for (RichLabelItem *item in items) {
        //设置高亮色和点击事件
        [text yy_setTextHighlightRange:[[text string] rangeOfString:item.title] color:(isVIP ? THEME_COLOR : [UIColor whiteColor]) backgroundColor:[UIColor clearColor] tapAction:^(UIView * _Nonnull containerView, NSAttributedString * _Nonnull text, NSRange range, CGRect rect) {
            if (item.action) {
                item.action();
            }
        }];
    }
    YYTextContainer *textContainer = [YYTextContainer containerWithSize:CGSizeMake(maxWidth, CGFLOAT_MAX)];
    textContainer.maximumNumberOfRows = 0;
    YYTextLayout *layout = [YYTextLayout layoutWithContainer:textContainer text:text];
    richLabel.ignoreCommonProperties = YES;
    richLabel.textLayout = layout;
    [richLabel sizeToFit];
    
    return richLabel;
}


@end

@implementation RichLabel

+ (instancetype)richTextWithFullString:(NSString *)fullString textColor:(UIColor *)textColor font:(UIFont *)font
{
    RichLabel *richLabel = [[RichLabel alloc] init];
    NSDictionary *attributes = @{
        NSFontAttributeName: font,
        NSForegroundColorAttributeName: textColor};
    NSMutableAttributedString *text = [[NSMutableAttributedString alloc] initWithString:fullString attributes:attributes];
    richLabel.attributedText = text;
    
    return richLabel;
}

- (void)setRichTextWithText:(NSString *)text textColor:(UIColor *)textColor font:(UIFont *)font
{
    NSMutableAttributedString *attrM = [self.attributedText mutableCopy];
    
    [attrM setAttributes:@{
            NSFontAttributeName: font,
            NSForegroundColorAttributeName: textColor
    } range:[self.attributedText.string rangeOfString:text]];
    
    self.attributedText = attrM;
}
@end