variable "project_id" {
  description = "STACKIT project ID"
  type        = string
}

variable "name" {
  description = "Network name"
  type        = string
}

# -----------------------------
# IPv4
# -----------------------------
variable "ipv4_gateway" {
  description = "IPv4 gateway address"
  type        = string
  default     = null
}

variable "ipv4_nameservers" {
  description = "IPv4 nameserver list"
  type        = list(string)
  default     = []
}

variable "ipv4_prefix" {
  description = "IPv4 prefix CIDR"
  type        = string
  default     = null
}

variable "ipv4_prefix_length" {
  description = "IPv4 prefix length"
  type        = number
  default     = null
}

# -----------------------------
# IPv6
# -----------------------------
variable "ipv6_gateway" {
  description = "IPv6 gateway address"
  type        = string
  default     = null
}

variable "ipv6_nameservers" {
  description = "IPv6 nameserver list"
  type        = list(string)
  default     = []
}

variable "ipv6_prefix" {
  description = "IPv6 prefix CIDR"
  type        = string
  default     = null
}

variable "ipv6_prefix_length" {
  description = "IPv6 prefix length"
  type        = number
  default     = null
}

# -----------------------------
# Deprecated legacy nameservers (provider still exposes)
# -----------------------------
variable "nameservers" {
  description = "Deprecated nameserver list (legacy field)"
  type        = list(string)
  default     = []
}

# -----------------------------
# Labels & flags
# -----------------------------
variable "labels" {
  description = "Labels map"
  type        = map(string)
  default     = {}
}

variable "no_ipv4_gateway" {
  description = "Disable IPv4 gateway"
  type        = bool
  default     = false
}

variable "no_ipv6_gateway" {
  description = "Disable IPv6 gateway"
  type        = bool
  default     = false
}

variable "routed" {
  description = "Mark network routed"
  type        = bool
  default     = null
}

# -----------------------------
# Region override & routing
# -----------------------------
variable "region" {
  description = "Resource region override (defaults to provider region)"
  type        = string
  default     = null
}

variable "routing_table_id" {
  description = "Routing table ID"
  type        = string
  default     = null
}

# -----------------------------
# NIC map (zero or many)
# -----------------------------
variable "nics" {
  description = "Map of NIC configs"
  type = map(object({
    nic_ipv4                 = optional(string)
    nic_name                 = optional(string)
    nic_allowed_addresses    = optional(list(string))
    nic_labels               = optional(map(string))
    nic_security             = optional(bool)
    nic_security_group_ids   = optional(list(string))
    nic_security_group_names = optional(list(string))
  }))
  default = {}
}

# -----------------------------
# Security group lookup map
# -----------------------------
variable "security_group_ids_by_name" {
  description = "Security group name→ID map"
  type        = map(string)
}