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

with lib;

mkIf (elem "nextcloud" config.machine.services) {
  services =  let
    cfg = config.machine;
    domain = (findFirst (s: s.service == "nextcloud") cfg cfg.vHosts).domain;
  in {
    nextcloud = {
      enable = true;
      home = "/var/lib/nextcloud";
      hostName = domain;
      https = true;
      maxUploadSize = "1024M";
      package = pkgs.nextcloud20;
      config = {
        adminuser = mkDefault (elemAt cfg.administrators 0).name;
        adminpassFile = "${cfg.secretPath}/nextcloud_admin";
        dbtype = "mysql";
        dbhost = "localhost";
        dbport = "3306";
        dbuser = "nextcloud";
        dbpassFile = "${cfg.secretPath}/nextcloud_db";
        dbname = "nextcloud";
        dbtableprefix = "oc_";
        extraTrustedDomains = cfg.extraDomains;
      };
      caching = {
        apcu = true;
        memcached = true;
        redis = false;
      };
    };
    # Turn Server used for nextcloud-talk
    # This stuff is still untested.
    coturn = mkIf (elem "nextcloud-talk" config.machine.services) {
      # TLS is not needed as WebRTC is already encrypted.
      enable = true;
      realm = domain;
      listening-port = 3478;
      use-auth-secret = true;
      extraConfig = ''
        fingerprint
        total-quota=100
        bps-capacity=0
        stale-nonce
        no-multicast-peers
      '';
    };

    mysql = let
      cfg = config.services.nextcloud.config;
    in {
      ensureDatabases = [ cfg.dbname ];
      ensureUsers = [{
        name = cfg.dbuser;
        ensurePermissions = {
          "${cfg.dbname}.*" = "ALL PRIVILEGES";
        };
      }];
    };
  };
}