#
# This loads the list of networks as a NixOS wpa_supplicant compatible attrset
#
let
  sources = import ../../npins;
  lib = import (sources.nixpkgs + "/lib");

  # wpa_supplicant uses `strchr` to seek to the first `=`, so the only forbidden character is `=`.
  escapePwdKey = lib.replaceStrings ["="] ["_"];

  go = networkArgs @ {
    ssid,
    # Custom fields wrapping nixpkgs module options
    hasPassword ? false,
    scanOnLowSignal ? false,
    randomizeMac ? false,
    ...
  }: {
    ${ssid} = lib.mkMerge [
      (builtins.removeAttrs networkArgs ["ssid" "hasPassword" "scanOnLowSignal" "randomizeMac"])
      (lib.optionalAttrs hasPassword {
        pskRaw = "ext:${escapePwdKey ssid}";
      })
      (lib.optionalAttrs scanOnLowSignal {
        extraConfig = ''
          bgscan="simple:30:-70:3600"
        '';
      })
      (lib.optionalAttrs randomizeMac {
        extraConfig = ''
          mac_addr=1
        '';
      })
    ];
  };
in
  ns: lib.mkMerge (map go ns)