import { describe, expect, it } from 'vitest';

import {
  formatNumber,
  formatPrice,
  formatPriceByCurrency,
  formatShortenNumber,
  formatSize,
  formatSpeed,
  formatTime,
  formatTokenNumber,
} from './format';

// 保留你已经编写的测试用例
describe('format', () => {
  describe('formatSize', () => {
    it('should format bytes to KB correctly', () => {
      expect(formatSize(1024)).toBe('1.0 KB');
      expect(formatSize(2048)).toBe('2.0 KB');
      expect(formatSize(1536)).toBe('1.5 KB');
    });

    it('should format bytes to MB correctly', () => {
      expect(formatSize(1048576)).toBe('1.0 MB');
      expect(formatSize(2097152)).toBe('2.0 MB');
      expect(formatSize(1572864)).toBe('1.5 MB');
    });

    it('should format bytes to GB correctly', () => {
      expect(formatSize(1073741824)).toBe('1.0 GB');
      expect(formatSize(2147483648)).toBe('2.0 GB');
      expect(formatSize(1610612736)).toBe('1.5 GB');
    });

    it('should handle edge cases', () => {
      expect(formatSize(0)).toBe('0.0 KB');
      expect(formatSize(1023)).toBe('1.0 KB');
      expect(formatSize(1073741823)).toBe('1024.0 MB');
    });
  });

  describe('formatSpeed', () => {
    it('should format speed in KB/s correctly', () => {
      expect(formatSpeed(10 * 1024)).toBe('10.00 KB/s');
      expect(formatSpeed(999.99 * 1024)).toBe('999.99 KB/s');
    });

    it('should format speed in MB/s correctly', () => {
      expect(formatSpeed(1024 * 1024)).toBe('1.00 MB/s');
      expect(formatSpeed(10240 * 1024)).toBe('10.00 MB/s');
    });

    it('should format speed in GB/s correctly', () => {
      expect(formatSpeed(1048576 * 1024)).toBe('1.00 GB/s');
      expect(formatSpeed(10485760 * 1024)).toBe('10.00 GB/s');
    });

    it('should handle edge cases', () => {
      expect(formatSpeed(0)).toBe('0.00 Byte/s');
      expect(formatSpeed(1000 * 1024)).toBe('1000.00 KB/s');
      expect(formatSpeed(1000.01 * 1024)).toBe('0.98 MB/s');
    });
  });

  describe('formatTime', () => {
    it('should format time in seconds correctly', () => {
      expect(formatTime(30)).toBe('30.0 s');
      expect(formatTime(59.9)).toBe('59.9 s');
    });

    it('should format time in minutes correctly', () => {
      expect(formatTime(60)).toBe('1.0 min');
      expect(formatTime(3599)).toBe('60.0 min');
    });

    it('should format time in hours correctly', () => {
      expect(formatTime(3600)).toBe('1.00 h');
      expect(formatTime(7200)).toBe('2.00 h');
    });

    it('should handle edge cases', () => {
      expect(formatTime(0)).toBe('0.0 s');
      expect(formatTime(59.99)).toBe('60.0 s');
      expect(formatTime(3599.99)).toBe('60.0 min');
    });
    it('should handle edge cases', () => {
      expect(formatTime(0)).toBe('0.0 s');
      expect(formatTime(59.99)).toBe('60.0 s');
      expect(formatTime(3599.99)).toBe('60.0 min');
    });
  });

  describe('formatShortenNumber', () => {
    it('should return the input if it is not a number', () => {
      expect(formatShortenNumber('not a number')).toBe('not a number');
      expect(formatShortenNumber(null)).toBe(null);
    });

    it('should format numbers less than 10,000 correctly', () => {
      expect(formatShortenNumber(0)).toBe(0);
      expect(formatShortenNumber(1234)).toBe('1,234');
      expect(formatShortenNumber(9999)).toBe('9,999');
    });

    it('should format numbers between 10,000 and 9,999,999 correctly', () => {
      expect(formatShortenNumber(10000)).toBe('10.0K');
      expect(formatShortenNumber(123456)).toBe('123.5K');
      expect(formatShortenNumber(9999999)).toBe('10000.0K');
    });

    it('should format numbers 10,000,000 and above correctly', () => {
      expect(formatShortenNumber(10000000)).toBe('10.0M');
      expect(formatShortenNumber(123456789)).toBe('123.5M');
      expect(formatShortenNumber(9876543210)).toBe('9876.5M');
    });
  });

  describe('formatNumber', () => {
    it('should format numbers with commas correctly', () => {
      expect(formatNumber(1000)).toBe('1,000');
      expect(formatNumber(1000000)).toBe('1,000,000');
      expect(formatNumber(1234567.89)).toBe('1,234,567.89');
    });

    it('should handle non-number inputs', () => {
      expect(formatNumber('1000')).toBe('1,000');
      expect(formatNumber('not a number')).toBe(Number.NaN.toString());
      expect(formatNumber(null)).toBe(undefined);
    });
  });

  describe('formatPrice', () => {
    it('should format prices correctly', () => {
      expect(formatPrice(1000)).toBe('1,000.00');
      expect(formatPrice(1234.56)).toBe('1,234.56');
      expect(formatPrice(0.99)).toBe('0.99');
      expect(formatPrice(1000000.01)).toBe('1,000,000.01');
    });
  });

  describe('formatPriceByCurrency', () => {
    it('should format USD prices correctly', () => {
      expect(formatPriceByCurrency(1000)).toBe('1,000.00');
      expect(formatPriceByCurrency(1234.56, 'USD')).toBe('1,234.56');
    });

    it('should format CNY prices correctly', () => {
      // Assuming CNY_TO_USD is 6.5
      const CNY_TO_USD = 6.5;
      expect(formatPriceByCurrency(1000, 'CNY')).toBe('140.06');
      expect(formatPriceByCurrency(6500, 'CNY')).toBe('910.36');
    });
  });

  describe('formatTokenNumber', () => {
    it('should return "1K" for numbers between 1 and 1023', () => {
      expect(formatTokenNumber(500)).toBe('1K');
      expect(formatTokenNumber(1000)).toBe('1K');
    });

    it('should format numbers between 1024 and 41,983 correctly', () => {
      expect(formatTokenNumber(1024)).toBe('1K');
      expect(formatTokenNumber(2000)).toBe('2K');
      expect(formatTokenNumber(2048)).toBe('2K');
      expect(formatTokenNumber(4000)).toBe('4K');
      expect(formatTokenNumber(4096)).toBe('4K');
      expect(formatTokenNumber(32000)).toBe('32K');
      expect(formatTokenNumber(65536)).toBe('64K');
    });

    it('should format numbers between 41,984 and 127,999 correctly', () => {
      expect(formatTokenNumber(41984)).toBe('41K');
      expect(formatTokenNumber(100000)).toBe('97K');
      expect(formatTokenNumber(127999)).toBe('124K');
    });

    it('should return "128K" for 131,072', () => {
      expect(formatTokenNumber(131072)).toBe('128K'); // Qwen
    });

    it('should format numbers between 128,000 and 999,999 correctly', () => {
      expect(formatTokenNumber(128000)).toBe('128K');
      expect(formatTokenNumber(200000)).toBe('200K'); // Claude
      expect(formatTokenNumber(999999)).toBe('999K');
    });

    it('should format numbers 1,000,000 and above correctly', () => {
      expect(formatTokenNumber(1000000)).toBe('1M');
      expect(formatTokenNumber(1024000)).toBe('1M');
      expect(formatTokenNumber(1048576)).toBe('1M'); // Gemini Flash
      expect(formatTokenNumber(2000000)).toBe('2M');
      expect(formatTokenNumber(2097152)).toBe('2M'); // Gemini Pro
    });
  });
});