//
//  JXCountFormatter.m
//  AICity
//
//  Feature: 003-ios-api-https
//  数字格式化工具类实现
//

#import "JXCountFormatter.h"

@implementation JXCountFormatter

+ (NSString *)formatCount:(long long)count {
    // 处理负数
    if (count < 0) {
        return [self formatCount:labs(count)];
    }
    
    // 小于1万，直接显示
    if (count < 10000) {
        return [NSString stringWithFormat:@"%lld", count];
    }
    
    // 1万 - 1亿之间，显示"万"
    if (count < 100000000) {
        return [self formatWan:count];
    }
    
    // 大于1亿，显示"亿"
    return [self formatYi:count];
}

+ (NSString *)formatWan:(long long)count {
    double wan = count / 10000.0;
    
    if (wan < 10) {
        return [NSString stringWithFormat:@"%.1f万", wan];
    } else {
        return [NSString stringWithFormat:@"%.1f万", wan];
    }
}

+ (NSString *)formatYi:(long long)count {
    double yi = count / 100000000.0;
    return [NSString stringWithFormat:@"%.1f亿", yi];
}

+ (NSString *)formatCountCompact:(long long)count {
    // 处理负数
    if (count < 0) {
        return [self formatCountCompact:labs(count)];
    }
    
    // 小于1千，直接显示
    if (count < 1000) {
        return [NSString stringWithFormat:@"%lld", count];
    }
    
    // 1千 - 1百万之间，显示K
    if (count < 1000000) {
        double k = count / 1000.0;
        return [NSString stringWithFormat:@"%.1fK", k];
    }
    
    // 1百万 - 10亿之间，显示M
    if (count < 1000000000) {
        double m = count / 1000000.0;
        return [NSString stringWithFormat:@"%.1fM", m];
    }
    
    // 大于10亿，显示B
    double b = count / 1000000000.0;
    return [NSString stringWithFormat:@"%.1fB", b];
}

+ (NSString *)formatPlayCount:(long long)count {
    return [NSString stringWithFormat:@"%@播放", [self formatCount:count]];
}

+ (NSString *)formatLikeCount:(long long)count {
    if (count == 0) {
        return @"点赞";
    }
    return [self formatCount:count];
}

+ (NSString *)formatCommentCount:(long long)count {
    if (count == 0) {
        return @"评论";
    }
    return [self formatCount:count];
}

+ (NSString *)formatFavoriteCount:(long long)count {
    if (count == 0) {
        return @"收藏";
    }
    return [self formatCount:count];
}

+ (NSString *)formatShareCount:(long long)count {
    if (count == 0) {
        return @"分享";
    }
    return [self formatCount:count];
}

@end