{pkgs, lib, config, system, ...}:
let inherit (builtins.extraBuiltins) pass;
    inherit (lib) types;
    inherit (config) networking;
    inherit (config.services) dovecot2;
    userPass = name: pass ("${networking.domain}/${networking.hostName}/"+name);
in {
imports = [
  <nixpkgs-commonsoft/install/modules.nix>
  friot/dovecot.nix
  friot/gitolite.nix
  friot/nginx.nix
  friot/nsd.nix
  friot/postfix.nix
  friot/postgrey.nix
  friot/postgresql.nix
  friot/rmilter.nix
  friot/shorewall.nix
  friot/openldap.nix
  #friot/discourse.nix
];
options = {
  enable = lib.mkEnableOption "friot";
  networking.domainBase = lib.mkOption {
    type        = types.str;
    description = "Base network name.";
    example     = "example";
  };
  networking.domainAliases = lib.mkOption {
    type        = types.listOf types.str;
    description = "Domain aliases.";
    example     = [ "example.org" "example.net" ];
  };
  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 = {
    domainBase    = "commonsoft";
    domain        = "${networking.domainBase}.coop";
    domainAliases = [
     "${networking.domainBase}.org"
     "${networking.domainBase}.net"
    ];
  };
  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 =
        lib.concatMap
         (dom: map (sub: "${sub}.${dom}")
           ["www" "git" "mail"])
         ([networking.domain] ++ networking.domainAliases)
        ++ networking.domainAliases;
    };
    #postfix.aliases = {
    #        "root@${networking.domain}" = [ "test@${networking.domain}" ];
    #  "postmaster@${networking.domain}" = [ "test@${networking.domain}" ];
    #       "abuse@${networking.domain}" = [ "test@${networking.domain}" ];
    #};
    #dovecot2.domains = {
    #  "${networking.domain}" = {
    #    accounts = {
    #      julm = {
    #        password = pass "${networking.domain}/mail/julm";
    #         # "${networking.domain}/dovecot2/julm";
    #           #  "{SSHA512}uyjL1KYx4z7HpfNvnKzuVxpMLD2KVueGGBvOcj7AF1EZCTVhT++IIKUVOC4xpZtWdqVD0OVmZqgYr2qpn/3t3Aj4oU0=";
    #        aliases  = ["julien.moutinho@${networking.domain}"];
    #        quota    = "512M";
    #      };
    #      test = {
    #        password = pass "${networking.domain}/mail/test";
    #         # "${networking.domain}/dovecot2/test";
    #           #  "{SSHA512}uyjL1KYx4z7HpfNvnKzuVxpMLD2KVueGGBvOcj7AF1EZCTVhT++IIKUVOC4xpZtWdqVD0OVmZqgYr2qpn/3t3Aj4oU0=";
    #        aliases  = ["test-alias@${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
      postgresql
      cgit
      openldap
      #mail
      #sympa
      multitail
      inetutils
      cgit
      ncdu
      mailutils
      #sssd
      docker
      #nss_ldap
      #nss_pam_ldapd
      socat
    ];
  };
};
}