# Foundation Infrastructure - Root Variables
# RFC 0039: ADR-Compliant Foundation Infrastructure

variable "project_name" {
  description = "Project name used for resource naming"
  type        = string
  default     = "alignment"
}

variable "environment" {
  description = "Environment name (production, staging)"
  type        = string
  default     = "production"

  validation {
    condition     = contains(["production", "staging"], var.environment)
    error_message = "Environment must be 'production' or 'staging'."
  }
}

variable "aws_region" {
  description = "AWS region for deployment"
  type        = string
  default     = "us-east-1"
}

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

variable "enable_fips" {
  description = "Enable FIPS 140-2 compliance mode"
  type        = bool
  default     = true
}

variable "kubernetes_version" {
  description = "Kubernetes version for EKS"
  type        = string
  default     = "1.29"
}

variable "cockroachdb_node_count" {
  description = "Number of CockroachDB nodes (minimum 3 for HA)"
  type        = number
  default     = 3

  validation {
    condition     = var.cockroachdb_node_count >= 3
    error_message = "CockroachDB requires minimum 3 nodes for HA."
  }
}

variable "cockroachdb_instance_type" {
  description = "EC2 instance type for CockroachDB nodes"
  type        = string
  default     = "m6i.large"
}

variable "tags" {
  description = "Common tags applied to all resources"
  type        = map(string)
  default     = {}
}

variable "log_retention_days" {
  description = "Number of days to retain logs in Loki S3 bucket"
  type        = number
  default     = 90
}

variable "trace_retention_days" {
  description = "Number of days to retain traces in Tempo S3 bucket"
  type        = number
  default     = 30
}

# RFC 0046: Domain Email Migration - DNS Static IPs
variable "enable_dns_static_ips" {
  description = "Enable Elastic IPs for DNS NLB to support stable glue records for domain delegation"
  type        = bool
  default     = true
}