# --- Proxmox Configuration ---
variable "proxmox_api_url" {
  description = "Proxmox VE API URL"
  type        = string
}

variable "proxmox_api_token" {
  description = "Proxmox VE API token"
  type        = string
  sensitive   = true
}

variable "proxmox_node" {
  description = "Default Proxmox node name (can be overridden per node)"
  type        = string
}

variable "proxmox_pool" {
  description = "Proxmox resource pool"
  type        = string
  default     = ""
}

# --- Cluster Configuration ---
variable "cluster_name" {
  description = "The name of the Talos cluster."
  type        = string
  default     = "proxmox-talos-cluster"
}

variable "cluster_domain" {
  description = "The domain name of the Talos cluster."
  type        = string
  default     = "cluster.local"
}

variable "talos_version" {
  description = "The version of Talos Linux to use."
  type        = string
}

variable "talos_factory_schematic_id" {
  description = "Talos Factory schematic ID used for installer image URLs."
  type        = string
}

variable "cni_name" {
  description = "The name of the CNI to configure (e.g., 'flannel', 'cilium')."
  type        = string
  default     = "flannel"
}

# --- Global Network Configuration ---
variable "dns_servers" {
  description = "Global DNS servers for the cluster"
  type        = list(string)
  default     = ["1.1.1.1", "1.0.0.1"]
}

variable "control_plane_vip" {
  description = "Virtual IP for HA control plane (only used when multiple control plane nodes)"
  type        = string
}

variable "cluster_pod_nets" {
  description = "The CIDR blocks for Kubernetes pods."
  type        = list(string)
  default     = ["10.244.0.0/16"]
}

variable "cluster_svc_nets" {
  description = "The CIDR blocks for Kubernetes services."
  type        = list(string)
  default     = ["10.96.0.0/12"]
}

# --- Storage Configuration ---
variable "disk_storage" {
  description = "Proxmox storage for primary disk"
  type        = string
}

variable "additional_disk_storage" {
  description = "Proxmox storage for additional disks"
  type        = string
}

variable "talos_iso_file" {
  description = "Talos ISO file in Proxmox storage"
  type        = string
}

variable "talos_image_update_mode" {
  description = "How the Talos image should be staged on Proxmox nodes."
  type        = string
  default     = "manual"

  validation {
    condition     = contains(["manual", "download"], var.talos_image_update_mode)
    error_message = "talos_image_update_mode must be either 'manual' or 'download'."
  }
}

variable "talos_image_storage" {
  description = "Proxmox storage target for downloaded Talos ISO images."
  type        = string
  default     = "local"
}

variable "talos_image_architecture" {
  description = "Talos image architecture used for factory downloads."
  type        = string
  default     = "amd64"
}

# --- Node Configuration ---
variable "nodes" {
  description = "List of cluster nodes, each with its own network configurations."
  type = list(object({
    name                 = string
    vmid                 = number
    role                 = string # "controlplane" or "worker"
    cores                = number
    memory               = number
    disk_size            = string
    tags                 = optional(list(string))
    additional_disk_size = optional(string)
    proxmox_node         = optional(string)

    # Define one or more networks per node.
    # The first network in the list is considered the primary for IP and gateway settings.
    networks = list(object({
      mac_address = string
      cidr        = string
      vlan_id     = number
      ip          = optional(string) # Static IP, required for control plane, optional for workers
      gateway     = optional(string) # Should only be defined on the primary interface
    }))
  }))

  validation {
    condition     = alltrue([for node in var.nodes : length(node.networks) >= 1])
    error_message = "Each node must have at least one network defined."
  }

  validation {
    condition     = alltrue([for node in var.nodes : node.role == "controlplane" ? node.networks[0].ip != null : true])
    error_message = "The first network for a 'controlplane' node must have a static IP address."
  }
}

variable "default_physical_interface" {
  description = "Default physical interface for nodes (fallback)"
  type        = string
  default     = "enp6s0"
}

variable "node_interfaces" {
  description = "Map of Proxmox node names to their physical interfaces"
  type        = map(string)
  default     = {}

  # Example:
  # {
  #   "pve1" = "enp1s0"
  #   "pve2" = "ens18"
  #   "pve3" = "enp6s0"
  # }
}

variable "create_vlan_interface" {
  description = "Whether to create VLAN interfaces (true for tagged VLANs, false for untagged)"
  type        = bool
  default     = false
}

# --- Registry Proxy Configuration ---
variable "image_cache_proxy" {
  description = "Configuration for the TrueNAS container image registry proxy/mirror."
  type = object({
    enabled = bool
    ip      = string
    port    = number
  })
  default = {
    enabled = false
    ip      = ""
    port    = 3128
  }
}