{pkgs, lib, config, system, ...}:
let inherit (builtins.extraBuiltins) pass;
    inherit (lib) types;
    inherit (config.services) dovecot2;
    userPass = name: pass ("${config.networking.domain}/${config.networking.hostName}/"+name);
in {
imports = [
  <nixsys/install/modules.nix>
  friot/dovecot.nix
  friot/gitolite.nix
  friot/nginx.nix
  friot/nsd.nix
  friot/postfix.nix
  friot/postgrey.nix
  friot/rmilter.nix
  friot/shorewall.nix
  friot/openldap.nix
  #friot/discourse.nix
];
options = {
  enable = lib.mkEnableOption "friot";
  networking.baseName = lib.mkOption {
    type        = types.str;
    description = "Base network name.";
    example     = "example";
  };
  networking.zones = lib.mkOption {
    type = types.attrsOf (types.submodule ({name, options, config, ...}: {
      options = {
        iface = lib.mkOption {
          type        = types.str;
          description = "Interface name.";
          example     = "eth0";
        };
        ipv4 = lib.mkOption {
          type        = types.str;
          description = "Static IPv4 address of the machine.";
          example     = "1.2.3.4";
        };
        ipv6 = lib.mkOption {
          type        = types.str;
          description = "Static IPv6 address of the machine.";
          example     = "fe80::1";
        };
      };
    }));
  };
};
config = {
  nixpkgs.overlays = import ../overlays.nix;
  networking = {
    baseName = "commonsoft";
    domain   = "${config.networking.baseName}.coop";
  };
  users.mutableUsers = false;
  users.users = {
      root.initialPassword = userPass "root";
      root.password        = config.users.users.root.initialPassword;
      julm = {
        uid             = 1000;
        extraGroups     = [ "sudo" ];
        description     = "Julien Moutinho";
        home            = "/home/julm";
        shell           = lib.mkDefault config.users.defaultUserShell;
        group           = "julm"; # FIXME: unknown group
        initialPassword = userPass "julm";
        password        = config.users.users.julm.initialPassword;
      };
  };
  users.groups = {
    julm = {
      gid = config.users.users.julm.uid;
    };
  };

  services = {
    nixosManual = {
      enable = false; # NOTE: useless on this machine, and CPU intensive.
    };
    disnix = {
      enable = false;
    };
    openssh = {
      enable = true;
    };
    gitea = {
      enable = false;
    };
    sssd = {
      enable = false;
    };
    dovecot2 = {
      #debug = true;
    };
    journald = {
      extraConfig = ''
        SystemMaxUse=50M
      '';
    };
    x509 = {
      domains =
       [ "www.${config.networking.domain}" ] ++
       [ "git.${config.networking.domain}" ] ++
       [ "mail.${config.networking.domain}" ] ++
       builtins.attrNames dovecot2.domains;
    };
    postfix.aliases = {
            "root@${config.networking.domain}" = [ "test@${config.networking.domain}" ];
      "postmaster@${config.networking.domain}" = [ "test@${config.networking.domain}" ];
           "abuse@${config.networking.domain}" = [ "test@${config.networking.domain}" ];
    };
    dovecot2.domains = {
      "${config.networking.domain}" = {
        accounts = {
          julm = {
            password = pass "${config.networking.domain}/mail/julm";
             # "${config.networking.domain}/dovecot2/julm";
               #  "{SSHA512}uyjL1KYx4z7HpfNvnKzuVxpMLD2KVueGGBvOcj7AF1EZCTVhT++IIKUVOC4xpZtWdqVD0OVmZqgYr2qpn/3t3Aj4oU0=";
            aliases  = ["julien.moutinho@${config.networking.domain}"];
            quota    = "512M";
          };
          test = {
            password = pass "${config.networking.domain}/mail/test";
             # "${config.networking.domain}/dovecot2/test";
               #  "{SSHA512}uyjL1KYx4z7HpfNvnKzuVxpMLD2KVueGGBvOcj7AF1EZCTVhT++IIKUVOC4xpZtWdqVD0OVmZqgYr2qpn/3t3Aj4oU0=";
            aliases  = ["test-alias@${config.networking.domain}"];
            quota    = "512M";
          };
        };
      };
    };
  };
  environment = {
    systemPackages = with pkgs; [
      htop
      tree
      vim
      postgresql
      dnsutils
      tcpdump
      #mysql
      #procmail
      postgrey
      duplicity
      pypolicyd-spf
      unbound
      nsd
      dropbear
      cryptsetup
      openssl
      gitolite
      postgresql
      cgit
      openldap
      #mail
      #sympa
      multitail
      inetutils
      cgit
      ncdu
      mailutils
      #sssd
      docker
      #nss_ldap
      #nss_pam_ldapd
      socat
    ];
  };
};
}