variable "ami_id" {}
variable "instance_type" { default = "t3.small" }
variable "subnet_id" {}
variable "security_group_ids" { type = list(string) }
variable "key_name" {}
variable "environment" {}
variable "associate_public_ip" { default = true }
variable "user_data" { default = "" }
variable "iam_instance_profile" { default = "" }

resource "aws_instance" "main" {
  ami                    = var.ami_id
  instance_type          = var.instance_type
  subnet_id              = var.subnet_id
  vpc_security_group_ids = var.security_group_ids
  key_name               = var.key_name
  associate_public_ip_address = var.associate_public_ip
  user_data              = var.user_data
  iam_instance_profile   = var.iam_instance_profile
  
  root_block_device {
    volume_size           = 8
    volume_type           = "gp2"
    encrypted             = true
    delete_on_termination = true
  }
  
  tags = {
    Name        = "sacc4-ec2-${var.environment}"
    Environment = var.environment
  }
}

resource "aws_eip" "main" {
  instance = aws_instance.main.id
  domain   = "vpc"
  tags     = { Name = "sacc4-eip-${var.environment}" }
}

output "instance_id" { value = aws_instance.main.id }
output "public_ip" { value = aws_eip.main.public_ip }
output "private_ip" { value = aws_instance.main.private_ip }