terraform {
  required_providers {
    azurerm = {
      source  = "hashicorp/azurerm"
      version = "~> 4.0"
    }
  }
}

provider "azurerm" {
  features {}
  skip_provider_registration = true
}

locals {
  image_parts = split(":", "Canonical:0001-com-ubuntu-server-jammy:22_04-lts-gen2:latest")
}

data "azurerm_resource_group" "simpl_rg" {
  name = "azuretest"
}

resource "azurerm_virtual_network" "simpl_vnet" {
  name                = "simpl-vnet-{UUID}"
  address_space       = ["10.0.0.0/16"]
  location            = data.azurerm_resource_group.simpl_rg.location
  resource_group_name = data.azurerm_resource_group.simpl_rg.name
}

resource "azurerm_subnet" "simpl_subnet" {
  name                 = "simpl-subnet-{UUID}"
  resource_group_name  = data.azurerm_resource_group.simpl_rg.name
  virtual_network_name = azurerm_virtual_network.simpl_vnet.name
  address_prefixes     = ["10.0.1.0/24"]
}

resource "azurerm_public_ip" "simpl_pip" {
  name                = "simpl-pip-{UUID}"
  location            = data.azurerm_resource_group.simpl_rg.location
  resource_group_name = data.azurerm_resource_group.simpl_rg.name
  allocation_method   = "Static"
  sku                 = "Standard"
}

resource "azurerm_network_interface" "simpl_nic" {
  name                = "simpl-nic-{UUID}"
  location            = data.azurerm_resource_group.simpl_rg.location
  resource_group_name = data.azurerm_resource_group.simpl_rg.name

  ip_configuration {
    name                          = "internal"
    subnet_id                     = azurerm_subnet.simpl_subnet.id
    private_ip_address_allocation = "Dynamic"
    public_ip_address_id          = azurerm_public_ip.simpl_pip.id
  }
}

resource "azurerm_network_security_group" "simpl_nsg" {
  count               = 1
  name                = "simpl-nsg-{UUID}"
  location            = data.azurerm_resource_group.simpl_rg.location
  resource_group_name = data.azurerm_resource_group.simpl_rg.name

  security_rule {
    name                       = "allow-ssh"
    priority                   = 100
    direction                  = "Inbound"
    access                     = "Allow"
    protocol                   = "Tcp"
    source_port_range          = "*"
    destination_port_range     = "22"
    source_address_prefix      = "*"
    destination_address_prefix = "*"
  }

  security_rule {
    name                       = "allow-app"
    priority                   = 110
    direction                  = "Inbound"
    access                     = "Allow"
    protocol                   = "Tcp"
    source_port_range          = "*"
    destination_port_ranges    = ["8088", "220"]
    source_address_prefix      = "*"
    destination_address_prefix = "*"
  }
}

resource "azurerm_network_interface_security_group_association" "simpl_nic_nsg" {
  count                     = 1
  network_interface_id      = azurerm_network_interface.simpl_nic.id
  network_security_group_id = azurerm_network_security_group.simpl_nsg[0].id
}

resource "azurerm_linux_virtual_machine" "simpl_vm" {
  name                = "offering-enterprise-server-{UUID}-terraform"
  resource_group_name = data.azurerm_resource_group.simpl_rg.name
  location            = data.azurerm_resource_group.simpl_rg.location
  size                            = "Standard_B2s"
  admin_username                  = "simpluser"
  admin_password                  = "var.simpl_admin_password"
  disable_password_authentication = false

  network_interface_ids = [azurerm_network_interface.simpl_nic.id]

  os_disk {
    caching              = "ReadWrite"
    storage_account_type = "Standard_LRS"
  }

  source_image_reference {
    publisher = local.image_parts[0]
    offer     = local.image_parts[1]
    sku       = local.image_parts[2]
    version   = local.image_parts[3]
  }

  custom_data = "var.simpl_cloud_init"
}

output "vmIps" {
  depends_on = [azurerm_linux_virtual_machine.simpl_vm]
  value      = [azurerm_public_ip.simpl_pip.ip_address]
}