//
//  JXCountFormatterTests.m
//  AICityTests
//
//  Feature: 003-ios-api-https
//  数字格式化工具单元测试
//

#import <XCTest/XCTest.h>
#import "JXCountFormatter.h"

@interface JXCountFormatterTests : XCTestCase

@end

@implementation JXCountFormatterTests

#pragma mark - 基础数字格式化测试

- (void)testFormatSmallNumbers {
    XCTAssertEqualObjects([JXCountFormatter formatCount:0], @"0");
    XCTAssertEqualObjects([JXCountFormatter formatCount:1], @"1");
    XCTAssertEqualObjects([JXCountFormatter formatCount:99], @"99");
    XCTAssertEqualObjects([JXCountFormatter formatCount:999], @"999");
}

- (void)testFormatThousandsWithK {
    XCTAssertEqualObjects([JXCountFormatter formatCount:1000], @"1.0k");
    XCTAssertEqualObjects([JXCountFormatter formatCount:1500], @"1.5k");
    XCTAssertEqualObjects([JXCountFormatter formatCount:9999], @"9.9k");
}

- (void)testFormatTenThousandsWithWan {
    XCTAssertEqualObjects([JXCountFormatter formatCount:10000], @"1.0万");
    XCTAssertEqualObjects([JXCountFormatter formatCount:15000], @"1.5万");
    XCTAssertEqualObjects([JXCountFormatter formatCount:100000], @"10.0万");
    XCTAssertEqualObjects([JXCountFormatter formatCount:999999], @"99.9万");
}

- (void)testFormatHundredMillionsWithYi {
    XCTAssertEqualObjects([JXCountFormatter formatCount:100000000], @"1.0亿");
    XCTAssertEqualObjects([JXCountFormatter formatCount:150000000], @"1.5亿");
    XCTAssertEqualObjects([JXCountFormatter formatCount:1000000000], @"10.0亿");
}

#pragma mark - 特定格式方法测试

- (void)testSpecificFormatMethods {
    long long count = 12345;
    
    NSString *baseFormat = [JXCountFormatter formatCount:count];
    
    XCTAssertEqualObjects([JXCountFormatter formatLikeCount:count], baseFormat);
    XCTAssertEqualObjects([JXCountFormatter formatCommentCount:count], baseFormat);
    XCTAssertEqualObjects([JXCountFormatter formatShareCount:count], baseFormat);
    XCTAssertEqualObjects([JXCountFormatter formatFavoriteCount:count], baseFormat);
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:count], baseFormat);
}

#pragma mark - 真实场景测试

- (void)testRealWorldExamples {
    // 点赞数示例
    XCTAssertEqualObjects([JXCountFormatter formatLikeCount:20000], @"2.0万");
    XCTAssertEqualObjects([JXCountFormatter formatLikeCount:1568000], @"156.8万");
    
    // 播放量示例
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:120000000], @"1.2亿");
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:5600], @"5.6k");
    
    // 评论数示例
    XCTAssertEqualObjects([JXCountFormatter formatCommentCount:8900], @"8.9k");
    XCTAssertEqualObjects([JXCountFormatter formatCommentCount:123000], @"12.3万");
}

#pragma mark - 边界值测试

- (void)testBoundaryValues {
    // 边界值：999 -> 1.0k
    XCTAssertEqualObjects([JXCountFormatter formatCount:999], @"999");
    XCTAssertEqualObjects([JXCountFormatter formatCount:1000], @"1.0k");
    
    // 边界值：9999 -> 1.0万
    XCTAssertEqualObjects([JXCountFormatter formatCount:9999], @"9.9k");
    XCTAssertEqualObjects([JXCountFormatter formatCount:10000], @"1.0万");
    
    // 边界值：99999999 -> 1.0亿
    XCTAssertEqualObjects([JXCountFormatter formatCount:99999999], @"9999.9万");
    XCTAssertEqualObjects([JXCountFormatter formatCount:100000000], @"1.0亿");
}

#pragma mark - 精度测试

- (void)testPrecision {
    // 测试小数点精度（四舍五入）
    XCTAssertEqualObjects([JXCountFormatter formatCount:12345], @"1.2万");
    XCTAssertEqualObjects([JXCountFormatter formatCount:12456], @"1.2万");
    XCTAssertEqualObjects([JXCountFormatter formatCount:12567], @"1.3万");
    
    XCTAssertEqualObjects([JXCountFormatter formatCount:123456789], @"1.2亿");
    XCTAssertEqualObjects([JXCountFormatter formatCount:124567890], @"1.2亿");
}

#pragma mark - UI显示场景测试

- (void)testUIDisplayScenarios {
    // 新发布的视频
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:0], @"0");
    
    // 小众视频
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:123], @"123");
    
    // 热门视频
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:5678], @"5.6k");
    
    // 爆款视频
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:123456], @"12.3万");
    
    // 超级爆款
    XCTAssertEqualObjects([JXCountFormatter formatPlayCount:123456789], @"1.2亿");
}

#pragma mark - 性能测试

- (void)testPerformanceFormatCount {
    [self measureBlock:^{
        for (int i = 0; i < 10000; i++) {
            [JXCountFormatter formatCount:i * 1000];
        }
    }];
}

- (void)testPerformanceFormatLargeNumbers {
    [self measureBlock:^{
        for (int i = 0; i < 10000; i++) {
            [JXCountFormatter formatCount:i * 100000];
        }
    }];
}

#pragma mark - 国际化测试

- (void)testChineseFormatting {
    // 确保中文格式正确
    NSString *result = [JXCountFormatter formatCount:10000];
    XCTAssertTrue([result containsString:@"万"], @"应该包含'万'字");
    
    result = [JXCountFormatter formatCount:100000000];
    XCTAssertTrue([result containsString:@"亿"], @"应该包含'亿'字");
}

- (void)testEnglishFormatting {
    // 确保英文格式正确
    NSString *result = [JXCountFormatter formatCount:1000];
    XCTAssertTrue([result containsString:@"k"], @"应该包含'k'");
}

#pragma mark - 数据类型测试

- (void)testLongLongSupport {
    // 测试大数字支持
    long long veryLargeNumber = 9999999999LL; // 99.9亿
    NSString *result = [JXCountFormatter formatCount:veryLargeNumber];
    XCTAssertNotNil(result);
    XCTAssertTrue([result containsString:@"亿"]);
}

- (void)testNegativeNumbers {
    // 虽然实际使用中不应该有负数，但测试边界情况
    // 根据实现，负数可能返回"0"或保持负数格式
    NSString *result = [JXCountFormatter formatCount:-1000];
    XCTAssertNotNil(result);
}

#pragma mark - 一致性测试

- (void)testConsistencyAcrossMethods {
    // 确保所有格式化方法的行为一致
    long long testCounts[] = {0, 999, 1000, 9999, 10000, 99999, 100000, 999999, 1000000, 100000000};
    int numTests = sizeof(testCounts) / sizeof(testCounts[0]);
    
    for (int i = 0; i < numTests; i++) {
        long long count = testCounts[i];
        NSString *baseResult = [JXCountFormatter formatCount:count];
        
        XCTAssertEqualObjects([JXCountFormatter formatLikeCount:count], baseResult);
        XCTAssertEqualObjects([JXCountFormatter formatCommentCount:count], baseResult);
        XCTAssertEqualObjects([JXCountFormatter formatShareCount:count], baseResult);
        XCTAssertEqualObjects([JXCountFormatter formatFavoriteCount:count], baseResult);
        XCTAssertEqualObjects([JXCountFormatter formatPlayCount:count], baseResult);
    }
}

@end