diff --git a/src/structures copy.py b/src/old/structures copy.py
similarity index 100%
rename from src/structures copy.py
rename to src/old/structures copy.py
diff --git a/src/old/structures.py b/src/old/structures.py
new file mode 100644
index 0000000..8b239b6
--- /dev/null
+++ b/src/old/structures.py
@@ -0,0 +1,182 @@
+from dataclasses import dataclass, field
+from typing import List, Optional, Dict
+
+
+# ===========================
+# Interface Classes
+# ===========================
+
+
+@dataclass
+class Interface:
+    name: str
+    ip_address: Optional[str] = None
+    mac_address: Optional[str] = None
+    speed: Optional[str] = None
+    duplex: Optional[str] = None
+
+    def __init__(self, fields):
+        self.name = fields.get("name")
+        self.ip_address = fields.get("ip")
+        self.mac_address = fields.get("mac")
+        self.speed = fields.get("speed")
+        self.duplex = fields.get("duplex")
+        self.__post_init__()
+
+    def __post_init__(self):
+        if not isinstance(self.name, str) or not self.name:
+            raise ValueError("Interface 'name' must be a non-empty string")
+
+
+@dataclass
+class VirtualInterface(Interface):
+    vlan_id: int = 0
+    parent_physical: Optional[Interface] = None
+
+    def __init__(self, fields):
+        super().__init__(fields)
+        self.vlan_id = fields.get("vlanID", fields.get("vlan_id", 0))
+        self.parent_physical = fields.get(
+            "parent_physical", fields.get("parentPhysical", fields.get("parent"))
+        )
+        self.__post_init__()
+
+    def __post_init__(self):
+        super().__post_init__()
+        if not isinstance(self.vlan_id, int) or self.vlan_id < 0:
+            raise ValueError(
+                "VirtualInterface 'vlan_id' must be a non-negative integer"
+            )
+        if not isinstance(self.parent_physical, Interface):
+            raise TypeError(
+                "VirtualInterface 'parent_physical' must reference an Interface"
+            )
+
+
+# ===========================
+# Network / Subnet
+# ===========================
+
+
+@dataclass
+class Network:
+    cidr: str
+    gateway: Optional[str] = None
+    interfaces: List[Interface] = field(default_factory=list)
+
+    def __init__(self, fields):
+        self.cidr = fields.get("cidr")
+        self.gateway = fields.get("gateway")
+        interfaces = fields.get("interfaces", [])
+        if isinstance(interfaces, str):
+            interfaces = [iface for iface in interfaces.split(",") if iface]
+        self.interfaces = interfaces
+        self.__post_init__()
+
+    def __post_init__(self):
+        if not isinstance(self.cidr, str) or not self.cidr:
+            raise ValueError("Network 'cidr' must be a non-empty string")
+        if self.gateway is not None and not isinstance(self.gateway, str):
+            raise ValueError("Network 'gateway' must be a string")
+
+
+# ===========================
+# Device Base Class (Abstract)
+# ===========================
+
+
+@dataclass
+class Device:
+    name: str
+    mgmt_ip: Optional[str] = None
+    interfaces: List[Interface] = field(default_factory=list)
+
+    def __init__(self, fields):
+        self.name = fields.get("name")
+        self.mgmt_ip = fields.get("mgmtIP")
+        self.interfaces = [f for f in fields.get("interfaces").split(",") if f]
+        self.__post_init__()
+
+    def __post_init__(self):
+        if not isinstance(self.name, str) or not self.name:
+            raise ValueError("Device 'name' must be a non-empty string")
+        if self.mgmt_ip is not None and not isinstance(self.mgmt_ip, str):
+            raise ValueError("Device 'mgmtIP' must be a string")
+
+
+# ===========================
+# Host / Router / Switch
+# ===========================
+
+
+@dataclass
+class Host(Device):
+    operating_system: Optional[str] = None
+
+    def __init__(self, fields):
+        super().__init__(fields)
+        self.operating_system = fields.get("operatingSystem")
+        self.__post_init__()
+
+    def __post_init__(self):
+        super().__post_init__()
+        if not isinstance(self.operating_system, str):
+            raise ValueError("Host 'operatingSystem' must be a string")
+
+
+@dataclass
+class Router(Device):
+    routing_table: Dict[str, str] = field(default_factory=dict)
+    routing_protocols: List[str] = field(default_factory=list)
+
+    def __init__(self, fields):
+        super().__init__(fields)
+        self.routing_table = fields.get("routingTable", {})
+        self.routing_protocols = fields.get("routingProtocols", [])
+        self.__post_init__()
+
+    def __post_init__(self):
+        super().__post_init__()
+
+
+@dataclass
+class Switch(Device):
+    mac_table: Dict[str, str] = field(default_factory=dict)
+    vlan_database: Dict[int, str] = field(default_factory=dict)
+
+    def __init__(self, fields):
+        super().__init__(fields)
+        self.mac_table = fields.get("macTable", {})
+        self.vlan_database = fields.get("vlanDatabase", {})
+        self.__post_init__()
+
+    def __post_init__(self):
+        super().__post_init__()
+
+
+# ===========================
+# Physical Link (Wire)
+# ===========================
+
+
+@dataclass
+class Wire:
+    id: str
+    endpoints: List[Interface]  # Must contain exactly 2 interfaces
+    bandwidth: Optional[str] = None
+
+    def __init__(self, fields):
+        self.id = fields.get("name")
+        self.endpoints = [ep for ep in fields.get("endpoints").split(",") if ep]
+        self.bandwidth = fields.get("bandwidth")
+        self.__post_init__()
+
+    def __post_init__(self):
+        if not isinstance(self.id, str) or not self.id:
+            raise ValueError("Wire 'id' must be a non-empty string")
+        if len(self.endpoints) != 2:
+            raise ValueError(
+                "Wire 'endpoints' must contain exactly 2 Interface objects"
+            )
+        if not all(isinstance(i, Interface) for i in self.endpoints):
+            raise TypeError("Wire 'endpoints' must be Interface objects")
diff --git a/src/structures.py b/src/structures.py
index 8b239b6..dea9981 100644
--- a/src/structures.py
+++ b/src/structures.py
@@ -1,6 +1,27 @@
 from dataclasses import dataclass, field
 from typing import List, Optional, Dict
 
+# ===========================
+# Network / Subnet
+# ===========================
+
+@dataclass
+class Network:
+    name: str
+    vlan_id : Optional[int] = None
+    ip: Optional[str] = None
+    subnet_mask: Optional[str] = None
+    
+    def __init__(self, fields):
+        self.name = fields.get("name")
+        self.vlan_id = fields.get("vlan", fields.get("vlan_id"))
+        self.ip = fields.get("ip")
+        self.subnet_mask = fields.get("mask", fields.get("subnet_mask"))
+        self.__post_init__()
+        
+    def __post_init__(self):
+        if not isinstance(self.name, str) or not self.name:
+            raise ValueError("Network 'name' must be a non-empty string")
 
 # ===========================
 # Interface Classes
@@ -9,18 +30,33 @@ from typing import List, Optional, Dict
 
 @dataclass
 class Interface:
+    class IP:
+        def __init__(self, ip_str: str, default_gateway: Optional[str] = None):
+            self.ip_str = ip_str
+            self.default_gateway = default_gateway
+
+        def __str__(self):
+            return self.ip_str
+    
     name: str
-    ip_address: Optional[str] = None
+    mode: Optional[str] = None
+    network: Optional[Network] = None
+    ips: Optional[List[IP]] = None
     mac_address: Optional[str] = None
     speed: Optional[str] = None
-    duplex: Optional[str] = None
 
     def __init__(self, fields):
         self.name = fields.get("name")
-        self.ip_address = fields.get("ip")
+        ips = fields.get("ips", [])
+        if isinstance(ips, str):
+            ips = [self.IP(ip_str=ip.strip()) for ip in ips.split(",") if ip.strip()]
+        self.ips = ips
+        
+        # возможно передаём просто field
+        self.network = Network(fields.get("network", {})) if fields.get("network") else None
+        
         self.mac_address = fields.get("mac")
         self.speed = fields.get("speed")
-        self.duplex = fields.get("duplex")
         self.__post_init__()
 
     def __post_init__(self):
@@ -28,58 +64,6 @@ class Interface:
             raise ValueError("Interface 'name' must be a non-empty string")
 
 
-@dataclass
-class VirtualInterface(Interface):
-    vlan_id: int = 0
-    parent_physical: Optional[Interface] = None
-
-    def __init__(self, fields):
-        super().__init__(fields)
-        self.vlan_id = fields.get("vlanID", fields.get("vlan_id", 0))
-        self.parent_physical = fields.get(
-            "parent_physical", fields.get("parentPhysical", fields.get("parent"))
-        )
-        self.__post_init__()
-
-    def __post_init__(self):
-        super().__post_init__()
-        if not isinstance(self.vlan_id, int) or self.vlan_id < 0:
-            raise ValueError(
-                "VirtualInterface 'vlan_id' must be a non-negative integer"
-            )
-        if not isinstance(self.parent_physical, Interface):
-            raise TypeError(
-                "VirtualInterface 'parent_physical' must reference an Interface"
-            )
-
-
-# ===========================
-# Network / Subnet
-# ===========================
-
-
-@dataclass
-class Network:
-    cidr: str
-    gateway: Optional[str] = None
-    interfaces: List[Interface] = field(default_factory=list)
-
-    def __init__(self, fields):
-        self.cidr = fields.get("cidr")
-        self.gateway = fields.get("gateway")
-        interfaces = fields.get("interfaces", [])
-        if isinstance(interfaces, str):
-            interfaces = [iface for iface in interfaces.split(",") if iface]
-        self.interfaces = interfaces
-        self.__post_init__()
-
-    def __post_init__(self):
-        if not isinstance(self.cidr, str) or not self.cidr:
-            raise ValueError("Network 'cidr' must be a non-empty string")
-        if self.gateway is not None and not isinstance(self.gateway, str):
-            raise ValueError("Network 'gateway' must be a string")
-
-
 # ===========================
 # Device Base Class (Abstract)
 # ===========================
@@ -88,20 +72,17 @@ class Network:
 @dataclass
 class Device:
     name: str
-    mgmt_ip: Optional[str] = None
     interfaces: List[Interface] = field(default_factory=list)
 
     def __init__(self, fields):
         self.name = fields.get("name")
-        self.mgmt_ip = fields.get("mgmtIP")
-        self.interfaces = [f for f in fields.get("interfaces").split(",") if f]
+        # тут точно понять, какие поля передаются
+        self.interfaces = [Interface(iface) for iface in fields.get("interfaces", [])]
         self.__post_init__()
 
     def __post_init__(self):
         if not isinstance(self.name, str) or not self.name:
             raise ValueError("Device 'name' must be a non-empty string")
-        if self.mgmt_ip is not None and not isinstance(self.mgmt_ip, str):
-            raise ValueError("Device 'mgmtIP' must be a string")
 
 
 # ===========================
@@ -111,28 +92,26 @@ class Device:
 
 @dataclass
 class Host(Device):
-    operating_system: Optional[str] = None
+    # operating_system: Optional[str] = None
 
     def __init__(self, fields):
         super().__init__(fields)
-        self.operating_system = fields.get("operatingSystem")
+        # self.operating_system = fields.get("operatingSystem")
         self.__post_init__()
 
     def __post_init__(self):
         super().__post_init__()
-        if not isinstance(self.operating_system, str):
-            raise ValueError("Host 'operatingSystem' must be a string")
 
 
 @dataclass
 class Router(Device):
-    routing_table: Dict[str, str] = field(default_factory=dict)
-    routing_protocols: List[str] = field(default_factory=list)
+    # routing_table: Dict[str, str] = field(default_factory=dict)
+    # routing_protocols: List[str] = field(default_factory=list)
 
     def __init__(self, fields):
         super().__init__(fields)
-        self.routing_table = fields.get("routingTable", {})
-        self.routing_protocols = fields.get("routingProtocols", [])
+        # self.routing_table = fields.get("routingTable", {})
+        # self.routing_protocols = fields.get("routingProtocols", [])
         self.__post_init__()
 
     def __post_init__(self):
@@ -141,42 +120,15 @@ class Router(Device):
 
 @dataclass
 class Switch(Device):
-    mac_table: Dict[str, str] = field(default_factory=dict)
-    vlan_database: Dict[int, str] = field(default_factory=dict)
+    # mac_table: Dict[str, str] = field(default_factory=dict)
+    # vlan_database: Dict[int, str] = field(default_factory=dict)
 
     def __init__(self, fields):
         super().__init__(fields)
-        self.mac_table = fields.get("macTable", {})
-        self.vlan_database = fields.get("vlanDatabase", {})
+        # self.mac_table = fields.get("macTable", {})
+        # self.vlan_database = fields.get("vlanDatabase", {})
         self.__post_init__()
 
     def __post_init__(self):
         super().__post_init__()
 
-
-# ===========================
-# Physical Link (Wire)
-# ===========================
-
-
-@dataclass
-class Wire:
-    id: str
-    endpoints: List[Interface]  # Must contain exactly 2 interfaces
-    bandwidth: Optional[str] = None
-
-    def __init__(self, fields):
-        self.id = fields.get("name")
-        self.endpoints = [ep for ep in fields.get("endpoints").split(",") if ep]
-        self.bandwidth = fields.get("bandwidth")
-        self.__post_init__()
-
-    def __post_init__(self):
-        if not isinstance(self.id, str) or not self.id:
-            raise ValueError("Wire 'id' must be a non-empty string")
-        if len(self.endpoints) != 2:
-            raise ValueError(
-                "Wire 'endpoints' must contain exactly 2 Interface objects"
-            )
-        if not all(isinstance(i, Interface) for i in self.endpoints):
-            raise TypeError("Wire 'endpoints' must be Interface objects")