# VM Definitions
# Define all VMs to deploy in the locals.vms map below
# Omit fields to use defaults from variables.tf

locals {
  # Define VMs here
  # Each VM can override defaults by specifying values
  # Omit "ip" field for DHCP, include it for static IP
  vms = {
    # Example DHCP VM (uncomment to deploy):
    # "example-dhcp-vm" = {
    #   cpu_cores = 2
    #   memory    = 2048
    #   disk_size = "20G"
    # }

    # Example Static IP VM (uncomment to deploy):
    # "example-static-vm" = {
    #   ip        = "10.69.13.50/24"
    #   cpu_cores = 4
    #   memory    = 4096
    #   disk_size = "50G"
    # }

    # Example Test VM with custom git branch (for testing pipeline changes):
    # "test-vm" = {
    #   ip          = "10.69.13.100/24"
    #   flake_branch = "test-pipeline"  # Bootstrap from this branch instead of master
    # }

    # Example Minimal VM using all defaults (uncomment to deploy):
    # "minimal-vm" = {}
    # "bootstrap-verify-test" = {}
    "testvm01" = {
      ip           = "10.69.13.101/24"
      cpu_cores    = 2
      memory       = 2048
      disk_size    = "20G"
      flake_branch = "pipeline-testing-improvements"
    }
    "vault01" = {
      ip        = "10.69.13.19/24"
      cpu_cores = 2
      memory    = 2048
      disk_size = "20G"
    }
  }

  # Compute VM configurations with defaults applied
  vm_configs = {
    for name, vm in local.vms : name => {
      target_node    = lookup(vm, "target_node", var.default_target_node)
      template_name  = lookup(vm, "template_name", var.default_template_name)
      cpu_cores      = lookup(vm, "cpu_cores", var.default_cpu_cores)
      memory         = lookup(vm, "memory", var.default_memory)
      disk_size      = lookup(vm, "disk_size", var.default_disk_size)
      storage        = lookup(vm, "storage", var.default_storage)
      bridge         = lookup(vm, "bridge", var.default_bridge)
      vlan_tag       = lookup(vm, "vlan_tag", var.default_vlan_tag)
      ssh_public_key = lookup(vm, "ssh_public_key", var.default_ssh_public_key)
      nameservers    = lookup(vm, "nameservers", var.default_nameservers)
      search_domain  = lookup(vm, "search_domain", var.default_search_domain)
      # Network configuration - detect DHCP vs static
      ip      = lookup(vm, "ip", null)
      gateway = lookup(vm, "gateway", var.default_gateway)
      # Branch configuration for bootstrap (optional, uses master if not set)
      flake_branch = lookup(vm, "flake_branch", null)
    }
  }
}

# Deploy all VMs using for_each
resource "proxmox_vm_qemu" "vm" {
  for_each = local.vm_configs

  name        = each.key
  target_node = each.value.target_node

  # Clone from template
  clone      = each.value.template_name
  full_clone = true

  # Boot configuration
  boot   = "order=virtio0"
  scsihw = "virtio-scsi-single"

  # VM settings
  cpu {
    cores = each.value.cpu_cores
  }
  memory = each.value.memory

  # Network
  network {
    id     = 0
    model  = "virtio"
    bridge = each.value.bridge
    tag    = each.value.vlan_tag
  }

  # Disk settings
  disks {
    virtio {
      virtio0 {
        disk {
          size    = each.value.disk_size
          storage = each.value.storage
        }
      }
    }
    ide {
      ide2 {
        # Reference the custom cloud-init disk created in cloud-init.tf
        cdrom {
          iso = proxmox_cloud_init_disk.ci[each.key].id
        }
      }
    }
  }

  # TPM device
  tpm_state {
    storage = each.value.storage
  }

  # Start on boot
  start_at_node_boot = true

  # Agent
  agent = 1

  # Skip IPv6 since we don't use it
  skip_ipv6 = true

  # RNG device for better entropy
  rng {
    source = "/dev/urandom"
    period = 1000
  }
}