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

with lib;

let

  userOpts = { name, config, ... }: {
    options = {
      passwd = mkOption {
        type = types.str;
        description = ''
          The password of a given user.
        '';
      };

      databases = mkOption {
        type = types.listOf types.str;
        default = [];
        description = ''
          A list of databases to which this user should have access.
        '';
      };
    };
  };

in {

  options = {
    fudo.postgresql = {
      databases = mkOption {
        type = types.attrsOf types.lines;
        default = {};
        description = ''
          A map of database_name => database_defn.
        '';
      };
      users = mkOption {
        type = with types; attrsOf (submodule userOpts);
        default = {};
        description = ''
          A map of user_name => { user_attributes }.
        '';
      };
    };
  };
}