provider "aws" {
  version = "2.32.0"
}

module "base_vpc" {
  source = "../modules/base_vpc"
  autoscaling_hosts = [
      {
        name = "host_1"
        instance_type = "t3.medium"
        availability_zones = ["eu-west-1a", "eu-west-1b"]
        desired_capacity = 0
        min_size = 0
        max_size = 1
      },
      {
        name = "host_2"
        instance_type = "t3.small"
        availability_zones = ["eu-west-1b"]
        desired_capacity = 0
        min_size = 0
        max_size = 1
      },
  ]
}

resource "aws_autoscaling_group" "autoscaling" {
  count              = length(var.autoscaling_hosts)
  depends_on         = [aws_route.private, aws_launch_template.autoscaling]

  name               = "${lookup(var.autoscaling_hosts[count.index], "name")}-${var.env}"
  availability_zones = lookup(var.autoscaling_hosts[count.index], "availability_zones")
  desired_capacity   = lookup(var.autoscaling_hosts[count.index], "desired_capacity")
  min_size           = lookup(var.autoscaling_hosts[count.index], "min_size")
  max_size           = lookup(var.autoscaling_hosts[count.index], "max_size")

  launch_template {
    id      = element(aws_launch_template.autoscaling.*.id, count.index)
    version = "$Latest"
  }

  vpc_zone_identifier = [for zone in lookup(var.autoscaling_hosts[count.index], "availability_zones") : element(aws_subnet.private.*.id, index(lookup(var.autoscaling_hosts[count.index], "availability_zones"), zone))]
}