package main

import (
	"fmt"
	"math/rand"
	"time"

	"ezops/config"
	"ezops/model"
	"ezops/pkg/database"

	"golang.org/x/crypto/bcrypt"
	"gorm.io/gorm"
)

func main() {
	cfg := config.Load()

	db, err := database.New(cfg.Database)
	if err != nil {
		fmt.Printf("Failed to connect to database: %v\n", err)
		return
	}

	if err := generateMockData(db); err != nil {
		fmt.Printf("Failed to generate mock data: %v\n", err)
		return
	}

	fmt.Println("Mock data generated successfully!")
}

func generateMockData(db *gorm.DB) error {
	if err := generateUsers(db); err != nil {
		return err
	}
	if err := generateServers(db); err != nil {
		return err
	}
	if err := generateCloudAccounts(db); err != nil {
		return err
	}
	if err := generateDomains(db); err != nil {
		return err
	}
	if err := generateKubernetesClusters(db); err != nil {
		return err
	}
	if err := generateAlertRules(db); err != nil {
		return err
	}
	if err := generateNotifyChannels(db); err != nil {
		return err
	}
	if err := generatePipelines(db); err != nil {
		return err
	}
	if err := generateAppReleases(db); err != nil {
		return err
	}
	if err := generateCronJobs(db); err != nil {
		return err
	}
	if err := generateScripts(db); err != nil {
		return err
	}
	if err := generateApprovalTemplates(db); err != nil {
		return err
	}
	if err := generateNavigations(db); err != nil {
		return err
	}
	if err := generateBillings(db); err != nil {
		return err
	}
	return nil
}

func generateUsers(db *gorm.DB) error {
	users := []model.User{
		{Username: "admin", Email: "admin@ezops.local", RealName: "系统管理员", Phone: "13800138000", Status: 1, IsAdmin: true},
		{Username: "ops01", Email: "ops01@ezops.local", RealName: "运维工程师1", Phone: "13800138001", Status: 1, IsAdmin: false},
		{Username: "ops02", Email: "ops02@ezops.local", RealName: "运维工程师2", Phone: "13800138002", Status: 1, IsAdmin: false},
		{Username: "dev01", Email: "dev01@ezops.local", RealName: "开发工程师1", Phone: "13800138003", Status: 1, IsAdmin: false},
		{Username: "dev02", Email: "dev02@ezops.local", RealName: "开发工程师2", Phone: "13800138004", Status: 0, IsAdmin: false},
	}

	password, _ := bcrypt.GenerateFromPassword([]byte("123456"), bcrypt.DefaultCost)
	for i := range users {
		users[i].Password = string(password)
		if err := db.Create(&users[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated users:", len(users))
	return nil
}

func generateServers(db *gorm.DB) error {
	osTypes := []string{"CentOS 7.9", "CentOS 8.5", "Ubuntu 20.04", "Ubuntu 22.04", "Debian 11", "Rocky Linux 8.6"}
	statuses := []string{"running", "stopped", "maintenance"}

	servers := make([]model.Server, 0, 50)
	for i := 0; i < 50; i++ {
		server := model.Server{
			Hostname:    fmt.Sprintf("server-%03d", i+1),
			IP:          fmt.Sprintf("10.0.%d.%d", rand.Intn(256), rand.Intn(256)),
			PublicIP:    fmt.Sprintf("47.%d.%d.%d", rand.Intn(256), rand.Intn(256), rand.Intn(256)),
			OS:          osTypes[rand.Intn(len(osTypes))],
			CPU:         []int{2, 4, 8, 16, 32}[rand.Intn(5)],
			Memory:      []int64{4096, 8192, 16384, 32768, 65536, 131072}[rand.Intn(6)],
			Disk:        []int64{100, 200, 500, 1000}[rand.Intn(4)],
			Status:      statuses[rand.Intn(len(statuses))],
			CPUUsage:    rand.Float64() * 80,
			MemoryUsage: rand.Float64() * 80,
			DiskUsage:   rand.Float64() * 70,
			Tags:        fmt.Sprintf("{\"project\":\"project%d\",\"team\":\"team%d\"}", rand.Intn(10), rand.Intn(5)),
			Description: fmt.Sprintf("服务器 %d 描述", i+1),
		}
		servers = append(servers, server)
	}
	if err := db.Create(&servers).Error; err != nil {
		return err
	}
	fmt.Println("Generated servers:", len(servers))
	return nil
}

func generateCloudAccounts(db *gorm.DB) error {
	accounts := []model.CloudAccount{
		{Name: "阿里云主账号", Provider: "aliyun", Status: "active", MonthlyCost: 28500},
		{Name: "腾讯云主账号", Provider: "tencent", Status: "active", MonthlyCost: 15800},
		{Name: "AWS 账号", Provider: "aws", Status: "active", MonthlyCost: 42000},
		{Name: "华为云账号", Provider: "huawei", Status: "inactive", MonthlyCost: 8900},
	}
	for i := range accounts {
		accounts[i].AccessKey = "LTAI" + randomString(16)
		accounts[i].SecretKey = randomString(32)
		if err := db.Create(&accounts[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated cloud accounts:", len(accounts))
	return nil
}

func generateDomains(db *gorm.DB) error {
	domains := []model.Domain{
		{Name: "ezops.local", Registrar: "aliyun", Status: "active", DNSProvider: "alidns"},
		{Name: "api.ezops.local", Registrar: "aliyun", Status: "active", DNSProvider: "alidns"},
		{Name: "app.ezops.local", Registrar: "tencent", Status: "active", DNSProvider: "dnspod"},
		{Name: "monitor.ezops.local", Registrar: "aliyun", Status: "active", DNSProvider: "alidns", SSLEnabled: true},
	}
	for i := range domains {
		expireDays := rand.Intn(365) + 30
		expireDate := time.Now().AddDate(0, 0, expireDays)
		domains[i].ExpireDate = &expireDate
		domains[i].SSLExpireDate = &expireDate
		if err := db.Create(&domains[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated domains:", len(domains))
	return nil
}

func generateKubernetesClusters(db *gorm.DB) error {
	clusters := []model.KubernetesCluster{
		{Name: "prod-cluster", Code: "prod", Version: "v1.28.0", Status: "healthy", NodeCount: 10, PodCount: 150, ServiceCount: 30, DeploymentCount: 15, APIEndpoint: "https://prod-api.ezops.local:6443", CPUUsage: 65.5, MemoryUsage: 72.3, Description: "生产环境 Kubernetes 集群"},
		{Name: "staging-cluster", Code: "staging", Version: "v1.28.0", Status: "healthy", NodeCount: 5, PodCount: 80, ServiceCount: 15, DeploymentCount: 10, APIEndpoint: "https://staging-api.ezops.local:6443", CPUUsage: 45.2, MemoryUsage: 55.0, Description: "预发环境 Kubernetes 集群"},
		{Name: "dev-cluster", Code: "dev", Version: "v1.27.0", Status: "warning", NodeCount: 3, PodCount: 45, ServiceCount: 8, DeploymentCount: 8, APIEndpoint: "https://dev-api.ezops.local:6443", CPUUsage: 80.1, MemoryUsage: 85.0, Description: "开发环境 Kubernetes 集群"},
		{Name: "test-cluster", Code: "test", Version: "v1.27.0", Status: "error", NodeCount: 2, PodCount: 20, ServiceCount: 5, DeploymentCount: 5, APIEndpoint: "https://test-api.ezops.local:6443", CPUUsage: 30.0, MemoryUsage: 40.0, Description: "测试环境 Kubernetes 集群"},
	}
	for i := range clusters {
		if err := db.Create(&clusters[i]).Error; err != nil {
			return err
		}
	}
	for _, cluster := range clusters {
		// 生成节点
		for j := 0; j < cluster.NodeCount; j++ {
			node := model.KubernetesNode{
				ClusterID:   cluster.ID,
				Name:        fmt.Sprintf("%s-node-%d", cluster.Code, j+1),
				IP:          fmt.Sprintf("192.168.%d.%d", rand.Intn(256), rand.Intn(256)),
				Status:      []string{"Ready", "Ready", "Ready", "NotReady"}[rand.Intn(4)],
				Role:        []string{"master", "worker", "worker"}[rand.Intn(3)],
				CPU:         []int{4, 8, 16}[rand.Intn(3)],
				Memory:      []int64{16384, 32768, 65536}[rand.Intn(3)],
				Disk:        []int64{100, 200, 500}[rand.Intn(3)],
				CPUUsage:    rand.Float64() * 80,
				MemoryUsage: rand.Float64() * 80,
				DiskUsage:   rand.Float64() * 70,
				PodCount:    rand.Intn(30) + 5,
				MaxPods:     110,
				OS:          "Ubuntu 22.04.3 LTS",
				KubeletVer:  cluster.Version,
			}
			if err := db.Create(&node).Error; err != nil {
				return err
			}
		}

		// 生成 Deployments
		depImages := []string{
			"nginx:1.25.3", "redis:7.2-alpine", "mysql:8.0.35",
			"kafka:3.6.0", "elasticsearch:8.11.0", "grafana/grafana:10.2.0",
			"prom/prometheus:v2.48.0", "busybox:1.36", "easzlab/kubeasz:3.6.1",
		}
		depNames := []string{
			"nginx-deploy", "redis-cluster", "mysql-master", "mysql-slave",
			"kafka-broker", "es-cluster", "grafana", "prometheus",
			"filebeat", "logstash", "jaeger", "zipkin",
			"frontend", "backend-api", "gateway",
		}
		namespaces := []string{"default", "kube-system", "monitoring", "ingress-nginx", "production"}
		numDeps := cluster.DeploymentCount
		if numDeps < 5 {
			numDeps = 5 + rand.Intn(10)
		}
		for d := 0; d < numDeps && d < len(depNames); d++ {
			replicas := []int{1, 2, 3, 5}[rand.Intn(4)]
			available := replicas
			if rand.Intn(4) == 0 {
				available = replicas - 1
			}
			if available < 0 {
				available = 0
			}
			dep := model.KubernetesDeployment{
				ClusterID:         cluster.ID,
				Namespace:         namespaces[rand.Intn(len(namespaces))],
				Name:              depNames[d],
				Replicas:          replicas,
				AvailableReplicas: available,
				ReadyReplicas:     available,
				Image:             depImages[rand.Intn(len(depImages))],
				Strategy:          "RollingUpdate",
			}
			if err := db.Create(&dep).Error; err != nil {
				return err
			}
		}

		// 生成 Pods
		podStatuses := []string{"Running", "Running", "Running", "Running", "Pending", "CrashLoopBackOff"}
		numPods := cluster.PodCount
		if numPods > 30 {
			numPods = 30
		}
		if numPods < 10 {
			numPods = 10 + rand.Intn(15)
		}
		for p := 0; p < numPods; p++ {
			status := podStatuses[rand.Intn(len(podStatuses))]
			pod := model.KubernetesPod{
				ClusterID:    cluster.ID,
				Namespace:    namespaces[rand.Intn(len(namespaces))],
				Name:         fmt.Sprintf("%s-pod-%d", cluster.Code, p+1),
				Status:       status,
				NodeName:     fmt.Sprintf("%s-node-%d", cluster.Code, rand.Intn(cluster.NodeCount)+1),
				IP:           fmt.Sprintf("10.%d.%d.%d", rand.Intn(256), rand.Intn(256), rand.Intn(256)),
				RestartCount: rand.Intn(10),
				Image:        depImages[rand.Intn(len(depImages))],
				CPUUsage:     rand.Float64() * 500,
				MemoryUsage:  rand.Float64() * 2048,
			}
			if err := db.Create(&pod).Error; err != nil {
				return err
			}
		}

		// 生成 Services
		svcTypes := []string{"ClusterIP", "NodePort", "LoadBalancer"}
		svcNames := []string{
			"nginx-svc", "redis-svc", "mysql-svc", "kafka-svc",
			"es-svc", "grafana-svc", "prometheus-svc",
			"frontend-svc", "backend-svc", "gateway-svc",
		}
		numSvcs := cluster.ServiceCount
		if numSvcs > 10 {
			numSvcs = 10
		}
		if numSvcs < 5 {
			numSvcs = 5 + rand.Intn(5)
		}
		for s := 0; s < numSvcs && s < len(svcNames); s++ {
			svcType := svcTypes[rand.Intn(len(svcTypes))]
			ports := "[]"
			switch rand.Intn(4) {
			case 0:
				ports = `[{"port":80,"protocol":"TCP","targetPort":80}]`
			case 1:
				ports = `[{"port":443,"protocol":"TCP","targetPort":8443}]`
			case 2:
				ports = `[{"port":8080,"protocol":"TCP","targetPort":8080},{"port":9090,"protocol":"TCP","targetPort":9090}]`
			default:
				ports = `[{"port":3306,"protocol":"TCP","targetPort":3306}]`
			}
			svc := model.KubernetesService{
				ClusterID:  cluster.ID,
				Namespace:  namespaces[rand.Intn(len(namespaces))],
				Name:       svcNames[s],
				Type:       svcType,
				ClusterIP:  fmt.Sprintf("10.96.%d.%d", rand.Intn(256), rand.Intn(256)),
				ExternalIP: "",
				Ports:      ports,
				Selector:   fmt.Sprintf(`{"app":"%s"}`, svcNames[s]),
			}
			if svcType == "LoadBalancer" {
				svc.ExternalIP = fmt.Sprintf("203.0.113.%d", rand.Intn(256))
			}
			if svcType == "NodePort" {
				svc.ExternalIP = fmt.Sprintf("%d-%d", 30000+rand.Intn(1000), 32767)
			}
			if err := db.Create(&svc).Error; err != nil {
				return err
			}
		}

		// 生成 Ingresses
		ingNames := []string{"main-ingress", "api-ingress", "grafana-ingress", "canary-ingress"}
		numIngs := 2 + rand.Intn(3)
		for ig := 0; ig < numIngs && ig < len(ingNames); ig++ {
			hosts := fmt.Sprintf(`["%s.ezops.local"]`, ingNames[ig])
			ing := model.KubernetesIngress{
				ClusterID: cluster.ID,
				Namespace: namespaces[rand.Intn(len(namespaces))],
				Name:      ingNames[ig],
				Hosts:     hosts,
				Backend:   fmt.Sprintf("%s-svc:80", ingNames[ig]),
				TLS:       rand.Intn(2) == 0,
			}
			if err := db.Create(&ing).Error; err != nil {
				return err
			}
		}
	}
	fmt.Println("Generated K8s clusters:", len(clusters))
	return nil
}

func generateAlertRules(db *gorm.DB) error {
	rules := []model.AlertRule{
		{Name: "CPU 使用率告警", Type: "metric", Source: "prometheus", Expression: "cpu_usage > 80", Severity: "warning", Duration: 300, Enabled: true, Description: "CPU 使用率超过 80%"},
		{Name: "CPU 使用率严重告警", Type: "metric", Source: "prometheus", Expression: "cpu_usage > 95", Severity: "critical", Duration: 120, Enabled: true, Description: "CPU 使用率超过 95%"},
		{Name: "内存使用率告警", Type: "metric", Source: "prometheus", Expression: "memory_usage > 80", Severity: "warning", Duration: 300, Enabled: true, Description: "内存使用率超过 80%"},
		{Name: "磁盘使用率告警", Type: "metric", Source: "prometheus", Expression: "disk_usage > 80", Severity: "warning", Duration: 600, Enabled: true, Description: "磁盘使用率超过 80%"},
		{Name: "服务不可用告警", Type: "event", Source: "custom", Expression: "service_up == 0", Severity: "critical", Duration: 60, Enabled: true, Description: "服务不可用"},
		{Name: "Pod 重启告警", Type: "event", Source: "kubernetes", Expression: "pod_restart > 5", Severity: "warning", Duration: 600, Enabled: true, Description: "Pod 重启次数超过 5 次"},
	}
	for i := range rules {
		if err := db.Create(&rules[i]).Error; err != nil {
			return err
		}
	}
	for i := 0; i < 20; i++ {
		rule := rules[rand.Intn(len(rules))]
		event := model.AlertEvent{
			RuleID:    rule.ID,
			RuleName:  rule.Name,
			Severity:  rule.Severity,
			Status:    []string{"firing", "resolved"}[rand.Intn(2)],
			Target:    fmt.Sprintf("server-%03d", rand.Intn(50)+1),
			Message:   fmt.Sprintf("告警事件 %d", i+1),
			Value:     rand.Float64() * 100,
			StartedAt: time.Now().Add(-time.Duration(rand.Intn(72)) * time.Hour),
		}
		if err := db.Create(&event).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated alert rules:", len(rules))
	return nil
}

func generateNotifyChannels(db *gorm.DB) error {
	channels := []model.NotifyChannel{
		{Name: "运维邮件通知", Type: "email", Config: `{"recipients":["ops@ezops.com","admin@ezops.com"],"subject":"[AIOps告警]"}`, Enabled: true, TestStatus: "success"},
		{Name: "短信通知", Type: "sms", Config: `{"phones":["13800138000","13900139000"],"template":"告警：{{alert_name}}"}`, Enabled: true, TestStatus: "success"},
		{Name: "钉钉机器人", Type: "dingtalk", Config: `{"webhook":"https://oapi.dingtalk.com/robot/send?access_token=eZOps***","secret":"SEC***","at_all":false}`, Enabled: true, TestStatus: "success"},
		{Name: "企业微信机器人", Type: "wechat", Config: `{"webhook":"https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=eZOps***"}`, Enabled: true, TestStatus: "success"},
		{Name: "通用Webhook", Type: "webhook", Config: `{"url":"https://api.ezops.com/alerts/webhook","method":"POST","headers":{"Authorization":"Bearer ***"}}`, Enabled: false, TestStatus: "pending"},
	}
	for i := range channels {
		if err := db.Create(&channels[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated notify channels:", len(channels))
	return nil
}

func generatePipelines(db *gorm.DB) error {
	pipelines := []model.Pipeline{
		{Name: "前端构建", Code: "frontend-build", Type: "build", Source: "https://gitlab.com/ezops/frontend", Branch: "main", Enabled: true, Description: "前端项目构建流水线"},
		{Name: "后端构建", Code: "backend-build", Type: "build", Source: "https://gitlab.com/ezops/backend", Branch: "main", Enabled: true, Description: "后端项目构建流水线"},
		{Name: "部署预发", Code: "deploy-staging", Type: "deploy", Source: "https://gitlab.com/ezops/deploy", Branch: "staging", Enabled: true, Description: "部署到预发环境"},
		{Name: "部署生产", Code: "deploy-production", Type: "deploy", Source: "https://gitlab.com/ezops/deploy", Branch: "main", Enabled: true, Description: "部署到生产环境"},
		{Name: "集成测试", Code: "integration-test", Type: "test", Source: "https://gitlab.com/ezops/tests", Branch: "main", Enabled: true, Description: "集成测试流水线"},
	}
	for i := range pipelines {
		if err := db.Create(&pipelines[i]).Error; err != nil {
			return err
		}
	}
	for _, pipeline := range pipelines {
		for j := 0; j < 5; j++ {
			run := model.PipelineRun{
				PipelineID:  pipeline.ID,
				BuildNumber: j + 1,
				Status:      []string{"success", "success", "success", "failed", "running"}[rand.Intn(5)],
				Branch:      pipeline.Branch,
				CommitID:    randomString(8),
				CommitMsg:   "Update " + randomString(6),
				Author:      []string{"admin", "ops01", "dev01"}[rand.Intn(3)],
				TriggeredBy: []string{"admin", "ops01", "dev01"}[rand.Intn(3)],
			}
			if err := db.Create(&run).Error; err != nil {
				return err
			}
		}
	}
	fmt.Println("Generated pipelines:", len(pipelines))
	return nil
}

func generateAppReleases(db *gorm.DB) error {
	apps := []string{"AIOps 前端", "AIOps 后端", "用户中心", "支付网关", "数据分析平台"}
	environments := []string{"dev", "test", "staging", "prod"}
	statuses := []string{"pending", "building", "deploying", "success", "success", "success", "failed", "rolled_back"}
	authors := []string{"admin", "ops01", "dev01"}

	releases := make([]model.AppRelease, 0, 10)
	for i := 0; i < 10; i++ {
		app := apps[i%len(apps)]
		env := environments[rand.Intn(len(environments))]
		status := statuses[rand.Intn(len(statuses))]
		minor := rand.Intn(20)
		patch := rand.Intn(10)

		release := model.AppRelease{
			AppName:     app,
			Version:     fmt.Sprintf("v1.%d.%d", minor, patch),
			Environment: env,
			Status:      status,
			CommitID:    randomString(8),
			CommitMsg:   fmt.Sprintf("feat: 更新 %s 功能", app),
			Author:      authors[rand.Intn(len(authors))],
			Duration:    rand.Intn(600) + 60,
			Description: fmt.Sprintf("%s %s 环境发布", app, env),
		}

		// Set timestamps and approval fields based on status
		now := time.Now()
		hoursAgo := time.Duration(rand.Intn(168)+1) * time.Hour

		if status == "success" || status == "failed" {
			approver := authors[rand.Intn(len(authors))]
			release.Approver = approver
			approvedAt := now.Add(-hoursAgo + 30*time.Minute)
			release.ApprovedAt = &approvedAt
			deployedAt := now.Add(-hoursAgo + 2*time.Hour)
			release.DeployedAt = &deployedAt
		} else if status == "rolled_back" {
			approver := authors[rand.Intn(len(authors))]
			release.Approver = approver
			approvedAt := now.Add(-hoursAgo + 30*time.Minute)
			release.ApprovedAt = &approvedAt
			deployedAt := now.Add(-hoursAgo + 2*time.Hour)
			release.DeployedAt = &deployedAt
			rollbackAt := now.Add(-hoursAgo + 4*time.Hour)
			release.RollbackAt = &rollbackAt
		}

		releases = append(releases, release)
	}

	for i := range releases {
		if err := db.Create(&releases[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated app releases:", len(releases))
	return nil
}

func generateCronJobs(db *gorm.DB) error {
	cronJobs := []model.CronJob{
		{Name: "数据库备份", CronExpr: "0 2 * * *", Type: "script", Content: "/scripts/backup-db.sh", Enabled: true, Description: "每日凌晨 2 点备份数据库"},
		{Name: "清理日志", CronExpr: "0 3 * * 0", Type: "command", Content: "find /var/log -mtime +30 -delete", Enabled: true, Description: "每周日凌晨 3 点清理日志"},
		{Name: "数据同步", CronExpr: "*/30 * * * *", Type: "script", Content: "/scripts/sync-data.sh", Enabled: true, Description: "每 30 分钟同步数据"},
		{Name: "健康检查", CronExpr: "*/5 * * * *", Type: "command", Content: "curl -sf http://localhost:8080/health", Enabled: true, Description: "每 5 分钟健康检查"},
		{Name: "生成报表", CronExpr: "0 9 * * 1", Type: "script", Content: "/scripts/generate-report.sh", Enabled: false, Description: "每周一上午 9 点生成报表"},
	}
	for i := range cronJobs {
		if err := db.Create(&cronJobs[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated cron jobs:", len(cronJobs))
	return nil
}

func generateScripts(db *gorm.DB) error {
	scripts := []model.Script{
		{Name: "重启服务", Code: "restart-service", Type: "shell", Content: "#!/bin/bash\nsystemctl restart $1", Description: "重启服务脚本"},
		{Name: "检查磁盘", Code: "check-disk", Type: "shell", Content: "#!/bin/bash\ndf -h", Description: "检查磁盘空间"},
		{Name: "检查内存", Code: "check-memory", Type: "shell", Content: "#!/bin/bash\nfree -h", Description: "检查内存使用"},
		{Name: "部署应用", Code: "deploy-app", Type: "python", Content: "#!/usr/bin/env python3\nimport sys\nprint(f'Deploying {sys.argv[1]}')", Description: "部署应用脚本"},
		{Name: "备份配置", Code: "backup-config", Type: "shell", Content: "#!/bin/bash\ntar -czf /backup/config-$(date +%Y%m%d).tar.gz /etc/ezops", Description: "备份配置文件"},
	}
	for i := range scripts {
		if err := db.Create(&scripts[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated scripts:", len(scripts))
	return nil
}

func generateApprovalTemplates(db *gorm.DB) error {
	templates := []model.ApprovalTemplate{
		{Name: "服务器申请审批", Code: "server-request", Type: "server", Enabled: true, Description: "服务器资源申请审批流程"},
		{Name: "发布审批", Code: "release-approval", Type: "release", Enabled: true, Description: "应用发布审批流程"},
		{Name: "权限申请审批", Code: "permission-request", Type: "permission", Enabled: true, Description: "系统权限申请审批流程"},
	}
	for i := range templates {
		if err := db.Create(&templates[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated approval templates:", len(templates))
	return nil
}

func generateNavigations(db *gorm.DB) error {
	groups := []model.NavigationGroup{
		{Name: "常用工具", Code: "tools", Icon: "Tool", Sort: 1, Enabled: true},
		{Name: "监控平台", Code: "monitor", Icon: "Activity", Sort: 2, Enabled: true},
		{Name: "开发工具", Code: "devtools", Icon: "Code", Sort: 3, Enabled: true},
		{Name: "文档中心", Code: "docs", Icon: "FileText", Sort: 4, Enabled: true},
	}
	for i := range groups {
		if err := db.Create(&groups[i]).Error; err != nil {
			return err
		}
	}
	links := []model.NavigationLink{
		{GroupID: groups[0].ID, Name: "GitLab", URL: "https://gitlab.com", Icon: "GitBranch", Description: "代码仓库", Sort: 1},
		{GroupID: groups[0].ID, Name: "Jenkins", URL: "https://jenkins.io", Icon: "Settings", Description: "CI/CD 工具", Sort: 2},
		{GroupID: groups[0].ID, Name: "Nexus", URL: "https://www.sonatype.com/nexus-repository-oss", Icon: "Package", Description: "制品库", Sort: 3},
		{GroupID: groups[1].ID, Name: "Prometheus", URL: "https://prometheus.io", Icon: "Activity", Description: "监控系统", Sort: 1},
		{GroupID: groups[1].ID, Name: "Grafana", URL: "https://grafana.com", Icon: "BarChart", Description: "可视化平台", Sort: 2},
		{GroupID: groups[1].ID, Name: "ELK", URL: "https://www.elastic.co/what-is/elk-stack", Icon: "Search", Description: "日志分析", Sort: 3},
		{GroupID: groups[2].ID, Name: "Swagger", URL: "https://swagger.io", Icon: "FileCode", Description: "API 文档", Sort: 1},
		{GroupID: groups[2].ID, Name: "Postman", URL: "https://www.postman.com", Icon: "Send", Description: "API 测试", Sort: 2},
		{GroupID: groups[3].ID, Name: "Confluence", URL: "https://www.atlassian.com/software/confluence", Icon: "BookOpen", Description: "知识库", Sort: 1},
	}
	for i := range links {
		if err := db.Create(&links[i]).Error; err != nil {
			return err
		}
	}
	fmt.Println("Generated navigation groups:", len(groups))
	fmt.Println("Generated navigation links:", len(links))
	return nil
}

func generateBillings(db *gorm.DB) error {
	accounts := []struct {
		ID       uint
		Name     string
		Provider string
	}{
		{1, "阿里云主账号", "aliyun"},
		{2, "腾讯云生产环境", "tencent"},
		{3, "AWS海外业务", "aws"},
		{4, "华为云政务云", "huawei"},
	}

	services := map[string][]string{
		"aliyun":  {"ECS云服务器", "RDS数据库", "OSS对象存储", "SLB负载均衡", "CDN加速"},
		"tencent": {"CVM云服务器", "CDB数据库", "COS对象存储", "CLB负载均衡", "CDN加速"},
		"aws":     {"EC2", "RDS", "S3", "CloudFront", "Lambda"},
		"huawei":  {"ECS弹性云服务器", "RDS数据库", "OBS对象存储", "ELB弹性负载均衡"},
	}

	now := time.Now()
	var billings []model.CloudBilling

	// 生成最近60天每天的账单
	for day := 59; day >= 0; day-- {
		date := now.AddDate(0, 0, -day).Format("2006-01-02")
		for _, acc := range accounts {
			// 每个账号每天 1-3 条记录（不同服务）
			svcs := services[acc.Provider]
			count := 1 + rand.Intn(3)
			for i := 0; i < count; i++ {
				svc := svcs[rand.Intn(len(svcs))]
				cost := 50 + rand.Float64()*500
				billings = append(billings, model.CloudBilling{
					CloudAccountID: &acc.ID,
					AccountName:    acc.Name,
					Provider:       acc.Provider,
					BillingDate:    date,
					Cost:           cost,
					Currency:       "CNY",
					Service:        svc,
				})
			}
		}
	}

	for i := range billings {
		if err := db.Create(&billings[i]).Error; err != nil {
			// skip duplicates
			continue
		}
	}
	fmt.Println("Generated cloud billings:", len(billings))

	// 生成预警规则
	rules := []model.BillingAlertRule{
		{Name: "每日总成本超500元", Metric: "daily", Threshold: 500, Operator: ">", Enabled: true},
		{Name: "阿里云日费用超300元", Provider: "aliyun", Metric: "daily", Threshold: 300, Operator: ">", Enabled: true},
		{Name: "月度总成本超1万元", Metric: "monthly", Threshold: 10000, Operator: ">", Enabled: true},
	}
	for i := range rules {
		db.Create(&rules[i])
	}
	fmt.Println("Generated billing alert rules:", len(rules))

	return nil
}

func randomString(length int) string {
	const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
	b := make([]byte, length)
	for i := range b {
		b[i] = charset[rand.Intn(len(charset))]
	}
	return string(b)
}