# =============================================================================
# AI Software Factory — Terraform variables
# =============================================================================

variable "aws_region" {
  description = "AWS region to deploy into."
  type        = string
  default     = "us-east-1"
}

variable "project" {
  description = "Project prefix used in all resource names."
  type        = string
  default     = "factory"
}

variable "environment" {
  description = "Environment name (dev/staging/prod) — used in resource names and tags."
  type        = string
  default     = "dev"
}

variable "node_count" {
  description = "Desired number of nodes per application node group (web/api/worker/realtime). Min size for ASGs is derived from this."
  type        = number
  default     = 2
}

variable "instance_type_web" {
  description = "EC2 instance type for web (Next.js) nodes."
  type        = string
  default     = "t3.large"
}

variable "instance_type_api" {
  description = "EC2 instance type for api (NestJS) nodes."
  type        = string
  default     = "t3.large"
}

variable "instance_type_worker" {
  description = "EC2 instance type for worker (BullMQ) nodes."
  type        = string
  default     = "t3.medium"
}

variable "instance_type_realtime" {
  description = "EC2 instance type for realtime (WebSocket) nodes."
  type        = string
  default     = "t3.medium"
}

variable "vpc_cidr" {
  description = "CIDR block for the VPC (must fit public + private subnets for 2 AZs)."
  type        = string
  default     = "10.42.0.0/16"
}

variable "public_subnet_cidrs" {
  description = "CIDR blocks for the public subnets (one per AZ)."
  type        = list(string)
  default     = ["10.42.0.0/20", "10.42.16.0/20"]
}

variable "private_subnet_cidrs" {
  description = "CIDR blocks for the private subnets (one per AZ; RDS + app private workload)."
  type        = list(string)
  default     = ["10.42.32.0/20", "10.42.48.0/20"]
}

variable "db_instance_class" {
  description = "RDS PostgreSQL instance class."
  type        = string
  default     = "db.r6g.large.multi-az"
}

variable "db_allocated_storage_gb" {
  description = "Initial RDS storage in GB."
  type        = number
  default     = 100
}

variable "db_name" {
  description = "Initial database name (matches POSTGRES_DB in .env.example)."
  type        = string
  default     = "factory"
}

variable "redis_node_type" {
  description = "ElastiCache Redis node type."
  type        = string
  default     = "cache.t4g.large"
}

variable "opensearch_node_type" {
  description = "OpenSearch data node instance type (3-node domain)."
  type        = string
  default     = "t3.small.search"
}

variable "opensearch_volume_gb" {
  description = "OpenSearch EBS volume size per node (GB)."
  type        = number
  default     = 50
}

variable "s3_bucket_name" {
  description = "Uploads S3 bucket name. Must be globally unique; defaults to <project>-<env>-factory-uploads."
  type        = string
  default     = null
}

variable "public_url" {
  description = "Public base URL of the deployment (used in outputs + docs; set to your domain)."
  type        = string
  default     = "https://factory.example.com"
}

variable "allowed_ssh_cidrs" {
  description = "CIDR ranges allowed to reach the EC2 nodes over SSH (ops only; tighten in prod)."
  type        = list(string)
  default     = ["0.0.0.0/0"]
}

variable "tags" {
  description = "Extra tags applied to every resource (merged with Project/ManagedBy/Environment)."
  type        = map(string)
  default     = {}
}