//
//  NSString+Add.m
//  LettuceFinancial
//
//  Created by roadroor on 2017/12/8.
//  Copyright © 2017年 Roadoor. All rights reserved.
//

#import "NSString+Add.h"

@implementation NSString (Add)
+ (NSMutableAttributedString *)ls_changeFontAndColor:(UIFont *)font Color:(UIColor *)color TotalString:(NSString *)totalString lineSpace:(CGFloat)spacing textAlignment:(NSTextAlignment)alignment SubStringArray:(NSArray *)subArray{
    NSMutableAttributedString *attributedStr = [self ls_changeFontAndColor:font Color:color TotalString:totalString SubStringArray:subArray];
    
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
    [paragraphStyle setLineSpacing:spacing];
    [paragraphStyle setAlignment:alignment];
    [attributedStr addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [totalString length])];
    return attributedStr;
}


+ (NSMutableAttributedString *)ls_changeFontAndColor:(UIFont *)font Color:(UIColor *)color TotalString:(NSString *)totalString lineSpace:(CGFloat)spacing SubStringArray:(NSArray *)subArray {
    NSMutableAttributedString *attributedStr = [self ls_changeFontAndColor:font Color:color TotalString:totalString SubStringArray:subArray];
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
    [paragraphStyle setLineSpacing:spacing];
    [attributedStr addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [totalString length])];
    return attributedStr;
}

/**
 *  改变某些文字的颜色 并单独设置其字体
 *
 *  @param font        设置的字体
 *  @param color       颜色
 *  @param totalString 总的字符串
 *  @param subArray    想要变色的字符数组
 *
 *  @return 生成的富文本
 */

+ (NSMutableAttributedString *)ls_changeFontAndColor:(UIFont *)font Color:(UIColor *)color TotalString:(NSString *)totalString SubStringArray:(NSArray *)subArray {
    if (!totalString.length) {return [NSMutableAttributedString new];}
    NSMutableAttributedString *attributedStr = [[NSMutableAttributedString alloc] initWithString:totalString];
    if (!subArray.count) {return attributedStr;}
    for (NSString *rangeStr in subArray) {
        NSRange range = [totalString rangeOfString:rangeStr options:NSBackwardsSearch];
        if (color) {
            [attributedStr addAttribute:NSForegroundColorAttributeName value:color range:range];
        }
        if (font) {
            [attributedStr addAttribute:NSFontAttributeName value:font range:range];
        }
    }
    
    return attributedStr;
}

+ (NSMutableAttributedString *)ls_changeFontAndColor:(UIFont *)font Color:(UIColor *)color TotalString:(NSString *)totalString SubRangeArray:(NSArray<NSValue*> *)subArray{
    NSMutableAttributedString *attributedStr = [[NSMutableAttributedString alloc] initWithString:totalString];
    for (NSNumber *obj in subArray) {
        if (color) {
            [attributedStr addAttribute:NSForegroundColorAttributeName value:color range:obj.rangeValue];
        }
        if (font) {
            [attributedStr addAttribute:NSFontAttributeName value:font range:obj.rangeValue];
        }
    }
    return attributedStr;
}

+(NSMutableAttributedString *)ls_changeLastLettersLFontAndColor:(UIFont *)font Color:(UIColor *)color TotalString:(NSString *)totalString{
    if (!totalString.length) {return [NSMutableAttributedString new];}
    NSArray *range = [NSArray arrayWithObject:[NSValue valueWithRange:NSMakeRange(totalString.length-1, 1)]];
   return [self ls_changeFontAndColor:font Color:color TotalString:totalString SubRangeArray:range];
}

+ (NSMutableAttributedString *)ls_changePrefixString:(NSString *)prefixString PrefixFont:(UIFont *)prefixFont PrefixColor:(UIColor *)prefixColor  SuffixesString:(NSString*)suffixesString SuffixesFont:(UIFont *)suffixesFont SuffixesColor:(UIColor *)suffixesColor{
    if (!prefixString.length) {return [NSMutableAttributedString new];}
    NSMutableAttributedString *attributedStr =  [[NSMutableAttributedString alloc] initWithString:prefixString attributes:@{NSForegroundColorAttributeName: prefixColor,NSFontAttributeName : prefixFont}];
    if (suffixesString.length) {
        NSMutableAttributedString *attributedStr2 =  [[NSMutableAttributedString alloc] initWithString:suffixesString attributes:@{NSForegroundColorAttributeName: suffixesColor,NSFontAttributeName : suffixesFont}];
        [attributedStr appendAttributedString:attributedStr2];
    }
    return attributedStr;
}
@end