# VPC Module Variables

variable "name_prefix" {
  description = "Prefix for resource names"
  type        = string
}

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

variable "public_subnet_cidrs" {
  description = "CIDR blocks for public subnets"
  type        = list(string)
  default     = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
}

variable "private_subnet_cidrs" {
  description = "CIDR blocks for private subnets"
  type        = list(string)
  default     = ["10.0.11.0/24", "10.0.12.0/24", "10.0.13.0/24"]
}

variable "aws_region" {
  description = "AWS region"
  type        = string
}

variable "cluster_name" {
  description = "Name of the EKS cluster (for subnet tagging)"
  type        = string
}

variable "enable_nat_gateway" {
  description = "Enable NAT gateway for private subnets"
  type        = bool
  default     = true
}

variable "single_nat_gateway" {
  description = "Use a single NAT gateway for all private subnets (cost optimization)"
  type        = bool
  default     = false
}

variable "enable_vpc_endpoints" {
  description = "Enable VPC endpoints for AWS services"
  type        = bool
  default     = true
}

variable "enable_flow_logs" {
  description = "Enable VPC flow logs"
  type        = bool
  default     = true
}

variable "flow_logs_retention_days" {
  description = "Number of days to retain VPC flow logs"
  type        = number
  default     = 30
}

variable "tags" {
  description = "Tags to apply to resources"
  type        = map(string)
  default     = {}
}