/**
 * 版本管理工具
 * 用于管理更新通知的版本号
 */

// 当前版本号
export const CURRENT_VERSION = '1.1.0';

// 版本历史记录
export const VERSION_HISTORY = [
  {
    version: '1.1.0',
    date: '2025-12-05',
    description: '应用广场优化、知识库增强、智能问答改进',
  },
  
];

/**
 * 获取当前版本号
 */
export const getCurrentVersion = (): string => {
  return CURRENT_VERSION;
};

/**
 * 比较版本号
 * @param v1 
 * @param v2 
 * @returns 
 */
export const compareVersions = (v1: string, v2: string): number => {
  const parts1 = v1.split('.').map(Number);
  const parts2 = v2.split('.').map(Number);
  
  for (let i = 0; i < Math.max(parts1.length, parts2.length); i++) {
    const num1 = parts1[i] || 0;
    const num2 = parts2[i] || 0;
    
    if (num1 > num2) return 1;
    if (num1 < num2) return -1;
  }
  
  return 0;
};

/**
 * 
 * @param lastViewedVersion 
 * @returns true: 需要显示, false: 不需要显示
 */
export const shouldShowUpdate = (lastViewedVersion: string | null): boolean => {
  if (!lastViewedVersion) return true;
  return compareVersions(CURRENT_VERSION, lastViewedVersion) > 0;
};

/**
 * 获取版本历史
 */
export const getVersionHistory = () => {
  return VERSION_HISTORY;
};

/**
 * 重置查看记录
 */
export const resetViewedVersion = (): void => {
  localStorage.removeItem('lastViewedUpdateVersion');
};

/**
 * 强制禁用更新通知
 */
export const disableUpdateNotification = (): void => {
  localStorage.setItem('disableUpdateNotification', 'true');
};

/**
 * 启用更新通知
 */
export const enableUpdateNotification = (): void => {
  localStorage.removeItem('disableUpdateNotification');
};

/**
 * 检查更新通知是否被禁用
 */
export const isUpdateNotificationDisabled = (): boolean => {
  return localStorage.getItem('disableUpdateNotification') === 'true';
};