// 蓝绿部署脚本
class BlueGreenDeployment {
  private kubernetes: Kubernetes;
  private blueVersion: string;
  private greenVersion: string;
  
  constructor() {
    this.kubernetes = new Kubernetes();
    this.blueVersion = 'v1.0.0';
    this.greenVersion = 'v1.1.0';
  }
  
  async deployGreenVersion() {
    console.log('开始部署绿色版本...');
    
    // 1. 构建绿色版本
    const greenImage = await this.buildImage(this.greenVersion);
    
    // 2. 部署绿色版本
    await this.kubernetes.deployVersion('green', greenImage);
    
    // 3. 健康检查
    const isHealthy = await this.checkHealth('green');
    
    if (!isHealthy) {
      console.error('绿色版本健康检查失败');
      await this.rollback();
      throw new Error('部署失败');
    }
    
    // 4. 切换流量
    await this.switchTraffic('green');
    
    // 5. 清理蓝色版本
    await this.cleanupVersion('blue');
    
    console.log('绿色版本部署完成');
  }
  
  async rollback() {
    console.log('执行回滚...');
    
    await this.switchTraffic('blue');
    await this.cleanupVersion('green');
    
    console.log('回滚完成');
  }
  
  private async buildImage(version: string): Promise<string> {
    // 实现镜像构建逻辑
    return `myapp:${version}`;
  }
  
  private async checkHealth(version: string): Promise<boolean> {
    // 实现健康检查逻辑
    return true;
  }
  
  private async switchTraffic(version: string) {
    // 实现流量切换逻辑
    console.log(`切换流量到${version}版本`);
  }
  
  private async cleanupVersion(version: string) {
    // 实现版本清理逻辑
    console.log(`清理${version}版本`);
  }
}

// 特性开关系统
class FeatureFlagManager {
  private flags: Map<string, FeatureFlag>;
  
  constructor() {
    this.flags = new Map();
    this.initializeFlags();
  }
  
  private initializeFlags() {
    // 初始化特性开关
    this.flags.set('new-dashboard', {
      enabled: false,
      percentage: 0,
      conditions: []
    });
    
    this.flags.set('beta-feature', {
      enabled: true,
      percentage: 10,
      conditions: [
        {
          field: 'user_role',
          operator: 'equals',
          value: 'beta'
        }
      ]
    });
  }
  
  isFeatureEnabled(featureName: string, context?: UserContext): boolean {
    const flag = this.flags.get(featureName);
    
    if (!flag) {
      return false;
    }
    
    // 检查是否启用
    if (!flag.enabled) {
      return false;
    }
    
    // 检查百分比
    if (flag.percentage > 0) {
      const random = Math.random() * 100;
      if (random > flag.percentage) {
        return false;
      }
    }
    
    // 检查条件
    if (flag.conditions.length > 0 && context) {
      return this.checkConditions(flag.conditions, context);
    }
    
    return true;
  }
  
  private checkConditions(conditions: Condition[], context: UserContext): boolean {
    for (const condition of conditions) {
      const contextValue = this.getContextValue(context, condition.field);
      
      if (contextValue === undefined) {
        return false;
      }
      
      if (!this.evaluateCondition(contextValue, condition)) {
        return false;
      }
    }
    
    return true;
  }
  
  private evaluateCondition(value: any, condition: Condition): boolean {
    switch (condition.operator) {
      case 'equals':
        return value === condition.value;
      case 'not_equals':
        return value !== condition.value;
      case 'contains':
        return value.includes(condition.value);
      case 'greater_than':
        return value > condition.value;
      case 'less_than':
        return value < condition.value;
      default:
        return false;
    }
  }
  
  private getContextValue(context: UserContext, field: string): any {
    return context[field];
  }
  
  updateFlag(featureName: string, updates: Partial<FeatureFlag>) {
    const flag = this.flags.get(featureName);
    
    if (flag) {
      Object.assign(flag, updates);
      console.log(`更新特性开关 ${featureName}`, updates);
    }
  }
}

// 使用示例
const featureManager = new FeatureFlagManager();

function renderDashboard(user: UserContext) {
  if (featureManager.isFeatureEnabled('new-dashboard', user)) {
    // 渲染新版本仪表板
    renderNewDashboard();
  } else {
    // 渲染旧版本仪表板
    renderOldDashboard();
  }
}

// 配置管理系统
class ConfigManager {
  private configs: Map<string, Config>;
  private environment: string;
  
  constructor(environment: string = 'development') {
    this.environment = environment;
    this.configs = new Map();
    this.loadConfigs();
  }
  
  private loadConfigs() {
    // 加载基础配置
    this.loadBaseConfig();
    
    // 加载环境特定配置
    this.loadEnvironmentConfig();
    
    // 加置特性配置
    this.loadFeatureConfig();
  }
  
  private loadBaseConfig() {
    const baseConfig = {
      app: {
        name: 'myapp',
        version: '1.0.0',
        debug: false
      },
      database: {
        host: 'localhost',
        port: 5432,
        name: 'myapp'
      },
      cache: {
        provider: 'redis',
        host: 'localhost',
        port: 6379
      }
    };
    
    this.setConfig('base', baseConfig);
  }
  
  private loadEnvironmentConfig() {
    const environmentConfig = {
      development: {
        database: {
          host: 'localhost',
          user: 'dev_user',
          password: 'dev_password'
        },
        cache: {
          host: 'localhost'
        }
      },
      staging: {
        database: {
          host: 'staging-db.example.com',
          user: 'staging_user',
          password: 'staging_password'
        },
        cache: {
          host: 'staging-cache.example.com'
        }
      },
      production: {
        database: {
          host: 'prod-db.example.com',
          user: 'prod_user',
          password: 'prod_password',
          ssl: true
        },
        cache: {
          host: 'prod-cache.example.com',
          ssl: true
        }
      }
    };
    
    this.setConfig('environment', environmentConfig[this.environment]);
  }
  
  private loadFeatureConfig() {
    const featureConfig = {
      features: {
        new-dashboard: false,
        beta-feature: false,
        dark-mode: true
      },
      experiments: {
        layout_test: 0.05,
        ui_redesign: 0
      }
    };
    
    this.setConfig('feature', featureConfig);
  }
  
  get<T>(key: string): T | undefined {
    const parts = key.split('.');
    let current: any = this.configs;
    
    for (const part of parts) {
      if (current[part] === undefined) {
        return undefined;
      }
      current = current[part];
    }
    
    return current;
  }
  
  set(path: string, value: any) {
    this.configs.set(path, value);
  }
  
  getAll(): Map<string, Config> {
    return this.configs;
  }
  
  reload() {
    this.configs.clear();
    this.loadConfigs();
  }
}

// 团队协作工具
class TeamCollaboration {
  private slack: Slack;
  private jira: Jira;
  private confluence: Confluence;
  
  constructor() {
    this.setupCommunicationChannels();
  }
  
  private setupCommunicationChannels() {
    // Slack 集成
    this.slack = new Slack({
      webhook: process.env.SLACK_WEBHOOK,
      channel: '#devops'
    });
    
    // Jira 集成
    this.jira = new Jira({
      baseUrl: process.env.JIRA_BASE_URL,
      username: process.env.JIRA_USERNAME,
      apiToken: process.env.JIRA_API_TOKEN
    });
    
    // Confluence 集成
    this.confluence = new Confluence({
      baseUrl: process.env.CONFLUENCE_BASE_URL,
      username: process.env.CONFLUENCE_USERNAME,
      apiToken: process.env.CONFLUENCE_API_TOKEN
    });
  }
  
  async notifyDeployment(deployment: Deployment) {
    const message = {
      text: `部署完成`,
      attachments: [
        {
          color: deployment.success ? 'good' : 'danger',
          title: `部署 ${deployment.version}`,
          fields: [
            {
              title: '环境',
              value: deployment.environment,
              short: true
            },
            {
              title: '状态',
              value: deployment.success ? '成功' : '失败',
              short: true
            },
            {
              title: '版本',
              value: deployment.version,
              short: true
            },
            {
              title: '时间',
              value: deployment.timestamp.toLocaleString(),
              short: true
            }
          ]
        }
      ]
    };
    
    await this.slack.postMessage(message);
  }
  
  async createReleaseTicket(version: string) {
    const issue = await this.jira.createIssue({
      project: 'PROJ',
      summary: `Release ${version}`,
      description: `准备发布版本 ${version}`,
      type: 'Task'
    });
    
    return issue;
  }
  
  async documentRelease(release: Release) {
    const pageContent = `
= 版本发布说明 =

== 版本信息 ==
* 版本号：${release.version}
* 发布日期：${release.date}
* 负责人：${release.author}

== 主要功能 ==
${release.features.map(f => `* ${f.title}: ${f.description}`).join('\n')}

== 修复的问题 ==
${release.bugs.map(b => `* ${b.title}: ${b.description}`).join('\n')}

== 发布检查清单 ==
${release.checklist.map(item => `* [${item.completed ? 'x' : ' '}] ${item.description}`).join('\n')}
    `;
    
    await this.confluence.createPage({
      title: `Release Notes - ${release.version}`,
      content: pageContent,
      space: 'DOC',
      parent: 'Release Notes'
    });
  }
}

// DevOps 指标监控
class DevOpsMetrics {
  private prometheus: Prometheus;
  private dashboard: Dashboard;
  
  constructor() {
    this.prometheus = new Prometheus();
    this.dashboard = new Dashboard();
    this.setupMetrics();
  }
  
  private setupMetrics() {
    // 部署频率
    this.prometheus.gauge('deployment_frequency', '部署频率（每天）');
    
    // 部署时间
    this.prometheus.histogram('deployment_duration', '部署耗时（秒）');
    
    // 变更失败率
    this.prometheus.gauge('change_failure_rate', '变更失败率（百分比）');
    
    // 恢复时间
    this.prometheus.histogram('mttr', '平均恢复时间（分钟）');
    
    // 代码质量
    this.prometheus.gauge('code_coverage', '代码覆盖率（百分比）');
    this.prometheus.gauge('bug_count', '缺陷数量');
    
    // 系统性能
    this.prometheus.gauge('response_time', '响应时间（毫秒）');
    this.prometheus.gauge('error_rate', '错误率（百分比）');
  }
  
  async calculateMetrics(timeRange: string) {
    const metrics = {
      deploymentFrequency: await this.calculateDeploymentFrequency(timeRange),
      deploymentTime: await this.calculateDeploymentTime(timeRange),
      changeFailureRate: await this.calculateChangeFailureRate(timeRange),
      mttr: await this.calculateMTTR(timeRange),
      codeQuality: await this.calculateCodeQuality(timeRange),
      systemPerformance: await this.calculateSystemPerformance(timeRange)
    };
    
    return metrics;
  }
  
  private async calculateDeploymentFrequency(timeRange: string): Promise<number> {
    // 实现部署频率计算逻辑
    return 5; // 每天5次部署
  }
  
  private async calculateDeploymentTime(timeRange: string): Promise<number> {
    // 实现部署时间计算逻辑
    return 15; // 平均15分钟
  }
  
  private async calculateChangeFailureRate(timeRange: string): Promise<number> {
    // 实现变更失败率计算逻辑
    return 5; // 5%
  }
  
  private async calculateMTTR(timeRange: string): Promise<number> {
    // 实现平均恢复时间计算逻辑
    return 30; // 30分钟
  }
  
  private async calculateCodeQuality(timeRange: string): Promise<any> {
    // 实现代码质量计算逻辑
    return {
      coverage: 85,
      bugs: 3
    };
  }
  
  private async calculateSystemPerformance(timeRange: string): Promise<any> {
    // 实现系统性能计算逻辑
    return {
      responseTime: 150,
      errorRate: 0.5
    };
  }
}

// 持续改进流程
class ContinuousImprovement {
  private metrics: DevOpsMetrics;
  private retrospective: Retrospective;
  
  constructor() {
    this.metrics = new DevOpsMetrics();
    this.retrospective = new Retrospective();
    this.setupImprovementCycle();
  }
  
  private setupImprovementCycle() {
    // 每周分析指标
    setInterval(async () => {
      const metrics = await this.metrics.calculateMetrics('last_week');
      
      // 分析趋势
      const trends = this.analyzeTrends(metrics);
      
      // 识别改进机会
      const opportunities = this.identifyOpportunities(metrics, trends);
      
      // 制定改进计划
      const plan = this.createImprovementPlan(opportunities);
      
      // 执行改进
      await this.executeImprovement(plan);
      
    }, 7 * 24 * 60 * 60 * 1000); // 每周执行一次
  }
  
  private analyzeTrends(metrics: any): any {
    // 分析趋势
    return {
      deploymentFrequency: 'increasing',
      deploymentTime: 'stable',
      changeFailureRate: 'decreasing',
      mttr: 'stable',
      codeQuality: 'improving',
      systemPerformance: 'degrading'
    };
  }
  
  private identifyOpportunities(metrics: any, trends: any): any {
    // 识别改进机会
    return [
      {
        area: 'system_performance',
        issue: '响应时间增加',
        impact: 'high',
        suggestion: '优化数据库查询和缓存策略'
      },
      {
        area: 'deployment_time',
        issue: '部署时间较长',
        impact: 'medium',
        suggestion: '实现自动化测试和部署流水线'
      }
    ];
  }
  
  private createImprovementPlan(opportunities: any): any {
    // 制定改进计划
    return {
      goals: opportunities.map(o => o.suggestion),
      timeline: '2 weeks',
      resources: ['dev_team', 'qa_team'],
      metrics: ['response_time', 'deployment_time']
    };
  }
  
  private async executeImprovement(plan: any) {
    // 执行改进
    console.log('执行改进计划:', plan);
    
    // 实际的改进逻辑
    await this.implementImprovements(plan);
  }
  
  private async implementImprovements(plan: any) {
    // 实现具体的改进措施
    for (const goal of plan.goals) {
      await this.improve(goal);
    }
  }
  
  private async improve(goal: string) {
    // 实现具体的改进逻辑
    console.log('改进中:', goal);
  }
}