package auth

// Context 定义认证信息
type Context struct {
	Payload     Payload                `json:"payload"`
	Agent       Agent                  `json:"agent,omitempty"`
	Permissions map[string]struct{}    `json:"permissions,omitempty"`
	Metadata    map[string]interface{} `json:"metadata,omitempty"`
}

// AnyPermission 检查认证是否包含指定权限
func (a *Context) AnyPermission(requiredPermission ...string) bool {
	if a == nil || a.Permissions == nil {
		return false
	}
	for _, permission := range requiredPermission {
		if _, ok := a.Permissions[permission]; ok {
			return true
		}
	}
	return false
}

// Payload 定义负载信息
type Payload struct {
	Id     int32       `json:"id,omitempty"`
	Type   PayloadType `json:"type,omitempty"`
	Name   string      `json:"name,omitempty"`
	Avatar string      `json:"avatar,omitempty"`
}

type Agent struct {
	Id   int32  `json:"id,omitempty"`
	Addr string `json:"addr,omitempty"`
}

type PayloadType int

const (
	// PayloadNone 游客
	PayloadNone PayloadType = iota
	// PayloadUser 用户
	PayloadUser
	// PayloadAdmin 管理员
	PayloadAdmin
	// PayloadPublicServer 公共服务（public_client）
	PayloadPublicServer
	// PayloadSecuredServer 安全服务（credential_client）
	PayloadSecuredServer
	// PayloadInternalServer 内部服务
	PayloadInternalServer
)

func (t PayloadType) ToStr() string {
	switch t {
	case PayloadUser:
		return "user"
	case PayloadAdmin:
		return "admn"
	case PayloadPublicServer:
		return "cpub"
	case PayloadSecuredServer:
		return "ccnf"
	default:
		return "none"
	}
}

func PayloadTypeFromStr(name string) PayloadType {
	switch name {
	case "user":
		return PayloadUser
	case "admn":
		return PayloadAdmin
	case "cpub":
		return PayloadPublicServer
	case "ccnf":
		return PayloadSecuredServer
	default:
		return PayloadNone
	}
}