package io.trygvis.acme;

import io.trygvis.rules.machine.Machine;
import io.trygvis.rules.dba.Cluster;
import io.trygvis.rules.dba.Container
import io.trygvis.rules.terraform.TerraformResource;
import io.trygvis.rules.terraform.TerraformMain
import io.trygvis.rules.terraform.TerraformProvider;

dialect "mvel"

declare AcmeServer
    name    : String
    machine : Machine
end

rule "Create Acme servers"
when
    $m : Machine(name.startsWith("acme-"))
    not(AcmeServer(name == $m.name))
then
    var s = new AcmeServer();
    s.name = $m.name;
    s.machine = $m;
    insert(s);
end

rule "Set public domain for ACME servers"
when
    $m : Machine(fqdn == null)
    $s : AcmeServer(machine == $m)
then
    var fqdn = "%s.machine.acme.com".formatted($m.name);
    modify ($m) {
        fqdn = fqdn
    }
end

rule "Make Terraform module for machines"
when
    not TerraformMain(module == "terraform")
then
    var module = new TerraformMain("terraform");

    var scaleway = new TerraformProvider("scaleway", "2.0.0-rc1");
    module.getProviders().put("scaleway", scaleway);

    insert(module)
end

rule "Make Scaleway Terraform resources for Machine"
when
    $m : Machine()
    $s : AcmeServer(machine == $m)
then
    var ip = new TerraformResource("terraform/" + $m.name + "-ip.tf", "scaleway_instance_ip", $m.name);
    var instance = new TerraformResource("terraform/" + $m.name + "-instance.tf", "scaleway_server_instance", $m.name)
        .set("name", "acme-1")
        .set("type", "DEV1-S")
        .set("image", "b3042271-d2b1-4f87-b407-aedd3bbd1663")
        .setExpression("ip_id", ip.name + ".ip")
        .set("enable_dynamic_ip", false)
        .set("enable_ipv6",  true);


    var rev = new TerraformResource("terraform/" + $m.name + "-ip.tf", "scaleway_instance_reverse_dns", $m.name)
        .set("reverse", $m.fqdn + ".")
        .setExpression("ip_id", ip.name + ".id");
    var dns = new TerraformResource("terraform/" + $m.name + "-dns.tf", "google_dns_record_set", $m.name)
        .set("name", $m.fqdn)
        .setExpression("managed_zone", "var.dns_zone")
        .set("type", "A")
        .set("ttl", 300)
        .array("rrdatas")
        .addExpression(ip.name + ".id");

    insert(instance)
    insert(ip)
    insert(rev)
    insert(dns)
end