# Module to create Azure network resources

variable "resource_group_name" {
  description = "Name of the resource group where network resources will be created."
}

variable "location" {
  description = "Location for the network resources."
}

variable "vnet_name" {
  description = "Name of the virtual network."
}

variable "vnet_address_space" {
  description = "Address space for the virtual network."
  type        = list(string)
}

variable "subnet_name" {
  description = "Name of the subnet."
}

variable "subnet_address_prefix" {
  description = "Address prefix for the subnet."
}

variable "public_ip_name" {
  description = "Name of the public IP address."
}

variable "firewall_name" {
  description = "Name of the firewall."
}

# Resource group
resource "azurerm_resource_group" "example" {
  name     = var.resource_group_name
  location = var.location
}

# Virtual network
resource "azurerm_virtual_network" "example" {
  name                = var.vnet_name
  address_space       = var.vnet_address_space
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
}

# Subnet
resource "azurerm_subnet" "example" {
  name                 = var.subnet_name
  resource_group_name  = azurerm_resource_group.example.name
  virtual_network_name = azurerm_virtual_network.example.name
  address_prefix       = var.subnet_address_prefix
}

# Public IP address
resource "azurerm_public_ip" "example" {
  name                = var.public_ip_name
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name
  allocation_method   = "Static"
  sku                 = "Standard"
}

# Firewall
resource "azurerm_firewall" "example" {
  name                = var.firewall_name
  location            = azurerm_resource_group.example.location
  resource_group_name = azurerm_resource_group.example.name

  ip_configuration {
    name                 = "configuration"
    subnet_id            = azurerm_subnet.example.id
    public_ip_address_id = azurerm_public_ip.example.id
  }
}

module "network" {
  source                 = "./network"
  resource_group_name    = "example-resources"
  location               = "North Europe"
  vnet_name              = "testvnet"
  vnet_address_space     = ["10.0.0.0/16"]
  subnet_name            = "AzureFirewallSubnet"
  subnet_address_prefix  = "10.0.1.0/24"
  public_ip_name         = "testpip"
  firewall_name          = "testfirewall"
}