{ config, pkgs, modulesPath, lib, ... }:

let
  monitor_ip = "monitor.local";
  traefik_ip = "traefik.local";
  sandbox_ip = "sandbox.local";
  forgejo_ip = "forgejo.local";

  prometheus_exporter_port = 9100;
  promtail_port = 9080;
  traefik_monitor_port = 8082;
  forgejo_monitor_port = 3000;
in {
  networking.firewall.allowedTCPPorts = [ 9090 ];

  services.prometheus = {
    enable = true;
    retentionTime = "7d";
    globalConfig = {
      scrape_timeout = "10s";
      scrape_interval = "30s";
    };
    scrapeConfigs = [
      {
        job_name = "node";
        static_configs = [
          {
            targets = [
              "${monitor_ip}:${toString prometheus_exporter_port}"
              "${traefik_ip}:${toString prometheus_exporter_port}"
              "${sandbox_ip}:${toString prometheus_exporter_port}"
              "${forgejo_ip}:${toString prometheus_exporter_port}"
            ];
          }
        ];
      }
      {
        job_name = "traefik";
        static_configs = [
          { targets = [ "${traefik_ip}:${toString traefik_monitor_port}" ]; }
        ];
      }
      {
        job_name = "gitea";
        static_configs = [
          { targets = [ "${forgejo_ip}:${toString forgejo_monitor_port}" ]; }
        ];
      }
      {
        job_name = "postgres";
        static_configs = [
          { targets = [ "${forgejo_ip}:9187" ]; }
        ];
      }
      {
        job_name = "promtail";
        static_configs = [
          {
            targets = [
              "${monitor_ip}:${toString promtail_port}"
              "${traefik_ip}:${toString promtail_port}"
              "${sandbox_ip}:${toString promtail_port}"
              "${forgejo_ip}:${toString promtail_port}"
            ];
          }
        ];
      }
    ];
  };
}