locals {
  user_policies = flatten([for name, policies in var.iam_users : [for policy in policies.policies : { user = name, policy = policy }]])
  users = toset([for user in local.user_policies : user.user])
}

resource "aws_iam_user" "iam_user" {
  for_each = local.users

  name = each.key
}

resource "aws_iam_user_policy_attachment" "policy_attachment" {
  count = length(local.user_policies)

  user       = aws_iam_user.iam_user[local.user_policies[count.index].user].name
  policy_arn = local.user_policies[count.index].policy
}