package entity

import (
	"encoding/json"
	"time"
)

// AuditAction 审计操作类型
type AuditAction string

const (
	AuditActionCreate   AuditAction = "create"
	AuditActionUpdate   AuditAction = "update"
	AuditActionDelete   AuditAction = "delete"
	AuditActionDeploy   AuditAction = "deploy"
	AuditActionScale    AuditAction = "scale"
	AuditActionLogin    AuditAction = "login"
	AuditActionLogout   AuditAction = "logout"
	AuditActionChangePassword AuditAction = "change_password"
)

// AuditResourceType 审计资源类型
type AuditResourceType string

const (
	AuditResourceUser      AuditResourceType = "user"
	AuditResourceWorkspace AuditResourceType = "workspace"
	AuditResourceQuota     AuditResourceType = "quota"
	AuditResourceCluster   AuditResourceType = "cluster"
	AuditResourceRegistry  AuditResourceType = "registry"
	AuditResourceInstance  AuditResourceType = "instance"
	AuditResourceStorage   AuditResourceType = "storage"
	AuditResourceTemplate  AuditResourceType = "template"
)

// AuditLog 审计日志实体
type AuditLog struct {
	ID           string
	WorkspaceID  string
	UserID       string
	Action       AuditAction
	ResourceType AuditResourceType
	ResourceID   string
	ResourceName string
	Details      map[string]interface{}
	IPAddress    string
	UserAgent    string
	CreatedAt    time.Time
}

// NewAuditLog 创建新审计日志
func NewAuditLog(workspaceID, userID string, action AuditAction, resourceType AuditResourceType) *AuditLog {
	now := time.Now()
	return &AuditLog{
		WorkspaceID:  workspaceID,
		UserID:       userID,
		Action:       action,
		ResourceType: resourceType,
		CreatedAt:    now,
	}
}

// SetResource 设置关联资源
func (a *AuditLog) SetResource(resourceID, resourceName string) {
	a.ResourceID = resourceID
	a.ResourceName = resourceName
}

// SetDetails 设置详细信息
func (a *AuditLog) SetDetails(details map[string]interface{}) {
	a.Details = details
}

// SetClientInfo 设置客户端信息
func (a *AuditLog) SetClientInfo(ipAddress, userAgent string) {
	a.IPAddress = ipAddress
	a.UserAgent = userAgent
}

// DetailsJSON 将详情转为 JSON 字符串
func (a *AuditLog) DetailsJSON() (string, error) {
	if a.Details == nil {
		return "{}", nil
	}
	data, err := json.Marshal(a.Details)
	if err != nil {
		return "", err
	}
	return string(data), nil
}