!7

concept Domain {
  S domain;
  S moduleLibID;
  bool mustBeEnabled;
  
  toString { ret super.toString() + " " + domain; }
}

cmodule2 Eleu3 > DynEleu {
  transient CRUD<Domain> domainCRUD;
  switchable bool verbose;
  switchable bool debugNanoHTTPD;
  switchable S sameSite;
  
  start {
    NanoHTTPD_debug = debugNanoHTTPD;
    dbIndexingCI(Domain, 'domain);
    uniqCI Domain(domain := "<default>");
    domainCRUD = new CRUD(Domain);
    dm_registerAs eleuWithCRUD();
  }
  
  visualize {
    var c = jtabs(
     "Main", super.visualize(),
      "Domains" := domainCRUD.visualize());
      
    tablePopupMenu(domainCRUD.table(), voidfunc(JPopupMenu menu, int row) {
      Domain d = domainCRUD.selected(), ret if null;
      if (nempty(d.moduleLibID))
        addMenuItem(menu, "Load module", rThreadEnter { dm_makeOrShow(d.moduleLibID) });
    });
    
    ret c;
  }
  
  @Override 
  S moduleForDomain(S domain) {
    domain = dropAfterColon(domain); // drop port number
    for (Domain d : domainsInMatchingOrder()) {
      if (domainIsUnder_extended(domain, d.domain)) {
        S mod = findMod(d);
        if (verbose) print("Domain matched: " + domain + " / " + d.domain + " => " + mod); 
        try answer mod;
      } else
        if (verbose) print("Domain not matched: " + domain + " / " + d.domain); 
    }
    ret findMod(defaultDomain());
  }
  
  Domain defaultDomain() {
    ret conceptWhereCI Domain(domain := "<default>");
  }
  
  S findMod(Domain d) {
    if (d == null || empty(d.moduleLibID)) null;
    ret d.mustBeEnabled
      ? dm_findModuleWithParams(d.moduleLibID, enabled := true)
      : dm_findModule(d.moduleLibID);
  }

  ServeHttp_CookieHandler makeCookieHandler() {
    ServeHttp_CookieHandler cookieHandler = super.makeCookieHandler();
    cookieHandler.metaParams = appendPrefixIfNempty("SameSite=", sameSite);
    ret cookieHandler;
  }

  // API
  
  Cl<Domain> domainsInMatchingOrder() {
    ret sortByCalculatedFieldICDesc(
      filter(list(Domain), d -> !eqic(d.domain, "<default>")),
      d -> reversed(d.domain));
  }
  
  void addDomain(S domain, S moduleLibID, bool mustBeEnabled) {
    uniq Domain(+domain, +moduleLibID, +mustBeEnabled);
  }
}