variable "region" {
  description = "Alibaba Cloud region"
  type        = string
  default     = "ap-southeast-1"
}

variable "access_key" {
  description = "Alibaba Cloud access key"
  type        = string
  sensitive   = true
}

variable "secret_key" {
  description = "Alibaba Cloud secret key"
  type        = string
  sensitive   = true
}

variable "project" {
  description = "Project name prefix for resources"
  type        = string
  default     = "lingble-prod"
}

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

variable "tags" {
  description = "Tags to apply to all resources"
  type        = map(string)
  default     = {
    Environment = "production"
    ManagedBy   = "terraform"
    Cluster     = "singapore-prod"
  }
}

variable "k8s_cluster_spec" {
  description = "ACK cluster spec: ack.pro.small, ack.standard"
  type        = string
  default     = "ack.pro.small"
}

variable "k8s_worker_instance_type" {
  description = "Worker node instance type"
  type        = string
  default     = "ecs.s6-c2m2"
}

variable "k8s_worker_count" {
  description = "Number of worker nodes"
  type        = number
  default     = 10
}

variable "k8s_max_worker_count" {
  description = "Maximum number of worker nodes (for autoscaling)"
  type        = number
  default     = 20
}

variable "k8s_worker_disk_category" {
  description = "Worker node system disk category"
  type        = string
  default     = "cloud_ssd"
}

variable "k8s_worker_disk_size" {
  description = "Worker node system disk size in GB"
  type        = number
  default     = 100
}

variable "k8s_data_disk_category" {
  description = "Worker node data disk category"
  type        = string
  default     = "cloud_ssd"
}

variable "k8s_data_disk_size" {
  description = "Worker node data disk size in GB"
  type        = number
  default     = 200
}

variable "ssl_certificate_id" {
  description = "SSL certificate ID for SLB (from alicloud_ssl_certificate)"
  type        = string
  default     = ""
}