import Variable from "resource:///com/github/Aylur/ags/variable.js";
import GLib from "gi://GLib";
import options from "./options.js";

const intval = options.systemFetchInterval;

export const clock = Variable(GLib.DateTime.new_now_local(), {
  poll: [1000, () => GLib.DateTime.new_now_local()],
});

export const uptime = Variable("", {
  poll: [
    60_000,
    "cat /proc/uptime",
    (line) => {
      const uptime = Number.parseInt(line.split(".")[0]) / 60;
      if (uptime > 18 * 60) return "Go Sleep";

      const h = Math.floor(uptime / 60);
      const s = Math.floor(uptime % 60);
      return `${h}:${s < 10 ? "0" + s : s}`;
    },
  ],
});

export const distro = GLib.get_os_info("ID");

export const distroIcon = (() => {
  switch (distro) {
    case "fedora":
      return "";
    case "arch":
      return "";
    case "nixos":
      return "";
    case "debian":
      return "";
    case "opensuse-tumbleweed":
      return "";
    case "ubuntu":
      return "";
    case "endeavouros":
      return "";
    default:
      return "";
  }
})();

/** @type {function([string, string] | string[]): number} */
const divide = ([total, free]) =>
  Number.parseInt(free) / Number.parseInt(total);

export const cpu = Variable(0, {
  poll: [
    intval,
    "top -b -n 1",
    (out) =>
      divide([
        "100",
        out
          .split("\n")
          .find((line) => line.includes("Cpu(s)"))
          ?.split(/\s+/)[1]
          .replace(",", ".") || "0",
      ]),
  ],
});

export const ram = Variable(0, {
  poll: [
    intval,
    "free",
    (out) =>
      divide(
        out
          .split("\n")
          .find((line) => line.includes("Mem:"))
          ?.split(/\s+/)
          .splice(1, 2) || ["1", "1"],
      ),
  ],
});

export const temp = Variable(0, {
  poll: [
    intval,
    "cat " + options.temperature,
    (n) => {
      return Number.parseInt(n) / 100_000;
    },
  ],
});