variable "instance_mode" {
  type        = string
  description = "single or multiple"

  validation {
    condition     = contains(["single", "multiple"], var.instance_mode)
    error_message = "instance_mode must be either single or multiple."
  }
}

variable "instance" {
  type = object({
    service_name = string
    vm_name      = string
    node_name    = string
    vm_cpu       = optional(number)
    vm_ram       = optional(number)
    vm_size      = optional(string)
    vm_tags      = optional(list(string))
  })
  default   = null
  nullable  = true
  description = "Used only when instance_mode = single."
}

variable "instances" {
  type = map(object({
    service_name = string
    vm_name      = string
    node_name    = string
    vm_cpu       = optional(number)
    vm_ram       = optional(number)
    vm_size      = optional(string)
    vm_tags      = optional(list(string))
  }))
  default     = {}
  nullable    = false
  description = "Used only when instance_mode = multiple."
}


variable "vm_defaults" {
  type = object({
    node_datastore = string
    vm_bios        = string
    vm_machine     = string
    vm_user_sshkey = string
    bridge         = string
    vm_cpu         = number
    vm_ram         = number
    vm_size        = number
  })
  default = {
    node_datastore = "hlst"
    vm_bios        = "ovmf"
    vm_machine     = "q35"
    bridge         = "vmbr0"
    vm_cpu         = 2
    vm_ram         = 4096
    vm_size        = 20
  }
}

variable "pm_api_url" { default = "https://192.168.10.201:8006/api2/json" }
variable "pm_api_token" { default = "terraform@pve!provider=760580c4-5c1f-462b-986a-dd244c6c95f2" }