# ─── Provider Authentication ──────────────────────────────────────────────────

variable "proxmox_api_url" {
  type        = string
  description = "Proxmox API endpoint URL (e.g., https://fantasyland.mk-labs.net:8006)"
}

variable "proxmox_api_token" {
  type        = string
  description = "Proxmox API token in format: user@realm!token-name=token-secret"
  sensitive   = true
}

# ─── VM Identity ───────────────────────────────────────────────────────────────

variable "vm_id" {
  type        = number
  description = "Proxmox VM ID. Computed by n8n from IP: {third_octet}{fourth_octet:03d} (e.g., 10.1.71.200 → 71200)."
}

variable "hostname" {
  type        = string
  description = "VM hostname. Used as the Proxmox VM name and cloud-init hostname."
}

variable "ip_address" {
  type        = string
  description = "Primary IP address for the VM (without CIDR, e.g., 10.1.71.100). Used for VM ID derivation and DHCP reservation."
}

variable "dns_servers" {
  type        = list(string)
  description = "DNS servers for the VM."
  default     = ["10.1.71.1"]
}

variable "search_domain" {
  type        = string
  description = "DNS search domain for the VM."
  default     = "mk-labs.net"
}

# ─── Proxmox Placement ────────────────────────────────────────────────────────

variable "clone_node" {
  type        = string
  description = "Proxmox node where templates live. Cloning always happens here."
  default     = "fantasyland"
}

variable "target_node" {
  type        = string
  description = "Proxmox node for final VM placement. VM is migrated here after clone."
}

variable "datastore" {
  type        = string
  description = "Proxmox storage pool for VM disks."
  default     = "liberty-tree"
}

# ─── Template Selection ───────────────────────────────────────────────────────

variable "template_name" {
  type        = string
  description = "Name of the Proxmox VM template to clone."

  validation {
    condition = contains([
      "ubuntu-24.04-small",
      "ubuntu-24.04-medium",
      "ubuntu-24.04-large",
      "ubuntu-24.04-large-plus",
      "ubuntu-24.04-xlarge",
      "ubuntu-24.04-xlarge-plus",
    ], var.template_name)
    error_message = "template_name must be a valid Ubuntu 24.04 template."
  }
}

# ─── Network ──────────────────────────────────────────────────────────────────

variable "vlan_id" {
  type        = number
  description = "VLAN tag for the VM network interface."
  default     = 71
}

variable "bridge" {
  type        = string
  description = "Proxmox network bridge for the VM."
  default     = "vmbr0"
}

variable "started" {
  type        = bool
  description = "Whether to start the VM after creation. Pipeline sets false (n8n handles start); manual bootstrap sets true."
  default     = false
}

variable "use_dhcp" {
  type        = bool
  description = "Use DHCP (pipeline mode) or static IP (bootstrap mode)."
  default     = true
}

variable "subnet_mask" {
  type        = number
  description = "Subnet mask in CIDR notation (e.g., 24). Only used when use_dhcp = false."
  default     = 24
}

variable "gateway" {
  type        = string
  description = "Default gateway. Only used when use_dhcp = false."
  default     = "10.1.71.1"
}

# ─── PCIe Passthrough (optional) ──────────────────────────────────────────────
# When pcie_passthrough_enabled = true, the device at pcie_device_id is passed
# through to the VM. Used for GPU workloads (e.g. astro-orbiter / RX 5700).
# Requires vfio-pci bound on the host and IOMMU enabled.

variable "pcie_passthrough_enabled" {
  type        = bool
  description = "When true, passes through the PCIe device at pcie_device_id to the VM."
  default     = false
}

variable "pcie_device_id" {
  type        = string
  description = "PCIe device address to pass through (e.g. '0000:03:00'). Get from lspci on the host."
  default     = ""
}

# ─── Data Disk (optional) ─────────────────────────────────────────────────────
# When data_disk_enabled = true, a second disk is provisioned for application
# data. Ansible handles LVM setup, formatting, and mounting.

variable "data_disk_enabled" {
  type        = bool
  description = "When true, provisions a second disk for application data storage."
  default     = false
}

variable "data_disk_size" {
  type        = number
  description = "Size of the data disk in GB. Only used when data_disk_enabled = true."
  default     = 128
}

variable "data_disk_datastore" {
  type        = string
  description = "Proxmox storage pool for the data disk. Defaults to var.datastore when empty."
  default     = ""
}