variable "volumes" {
  description = "Map of EBS volumes to create"
  type = map(object({
    availability_zone    = string
    size                 = number
    type                 = optional(string, "gp3")
    iops                 = optional(number, null)
    throughput           = optional(number, null)
    encrypted            = optional(bool, true)
    kms_key_id           = optional(string, null)
    multi_attach_enabled = optional(bool, false)
    snapshot_id          = optional(string, null)
    final_snapshot       = optional(bool, false)
    # Attachment
    instance_name = optional(string, null) # data lookup key
    device_name   = optional(string, null)
    force_detach  = optional(bool, false)
  }))
  default = {}
}

variable "dlm_policy_name" {
  description = "Name for the Data Lifecycle Manager policy"
  type        = string
  default     = "ebs-snapshot-policy"
}

variable "dlm_execution_role_arn" {
  description = "ARN of the IAM role for DLM (optional — creates role when null)"
  type        = string
  default     = null
}

variable "snapshot_schedules" {
  description = "Map of DLM snapshot schedules"
  type = map(object({
    name          = string
    interval      = optional(number, 24)
    interval_unit = optional(string, "HOURS")
    times         = optional(list(string), ["03:00"])
    retain_count  = optional(number, 7)
    target_tags   = map(string)
  }))
  default = {}
}

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