# VPC Module Variables

variable "name" {
  description = "VPC name prefix"
  type        = string
}

variable "cidr_block" {
  description = "VPC CIDR block"
  type        = string
  default     = "10.0.0.0/16"
}

variable "public_subnet_cidrs" {
  description = "List of public subnet CIDRs"
  type        = list(string)
  default     = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
}

variable "private_subnet_cidrs" {
  description = "List of private subnet CIDRs"
  type        = list(string)
  default     = ["10.0.101.0/24", "10.0.102.0/24", "10.0.103.0/24"]
}

variable "database_subnet_cidrs" {
  description = "List of database subnet CIDRs"
  type        = list(string)
  default     = ["10.0.201.0/24", "10.0.202.0/24", "10.0.203.0/24"]
}

variable "nat_gateway_count" {
  description = "Number of NAT Gateways (1 per AZ for HA)"
  type        = number
  default     = 3
}

variable "enable_ipv6" {
  description = "Enable IPv6 dual-stack"
  type        = bool
  default     = false
}

variable "eks_cluster_name" {
  description = "EKS cluster name for subnet tags"
  type        = string
}

variable "flow_log_s3_arn" {
  description = "S3 bucket ARN for VPC flow logs"
  type        = string
}

variable "flow_log_retention_days" {
  description = "CloudWatch flow log retention in days"
  type        = number
  default     = 90
}

variable "tags" {
  description = "Common tags"
  type        = map(string)
  default     = {}
}