{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/vpn/json-schema/vpn-server-schema.json",
  "title": "VPN Server",
  "description": "Schema representing a VPN server endpoint with connection metadata.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the VPN server."
    },
    "name": {
      "type": "string",
      "description": "Display name of the VPN server."
    },
    "hostname": {
      "type": "string",
      "description": "Server hostname or FQDN."
    },
    "ipAddress": {
      "type": "string",
      "format": "ipv4",
      "description": "IPv4 address of the VPN server."
    },
    "country": {
      "type": "object",
      "description": "Country where the server is located.",
      "properties": {
        "code": {
          "type": "string",
          "description": "ISO 3166-1 alpha-2 country code."
        },
        "name": {
          "type": "string",
          "description": "Country name."
        }
      }
    },
    "city": {
      "type": "string",
      "description": "City where the server is located."
    },
    "protocols": {
      "type": "array",
      "description": "VPN protocols supported by this server.",
      "items": {
        "type": "string",
        "enum": ["OpenVPN", "WireGuard", "IKEv2", "IPSec", "L2TP", "PPTP", "SSTP"]
      }
    },
    "load": {
      "type": "number",
      "minimum": 0,
      "maximum": 100,
      "description": "Current server load as a percentage."
    },
    "status": {
      "type": "string",
      "enum": ["online", "offline", "maintenance"],
      "description": "Current operational status."
    },
    "features": {
      "type": "array",
      "description": "Special features supported by the server.",
      "items": {
        "type": "string",
        "enum": ["P2P", "Double VPN", "Obfuscated", "Onion Over VPN", "Dedicated IP"]
      }
    },
    "port": {
      "type": "integer",
      "description": "Default connection port."
    }
  }
}