Tidy config file format.

src/autocomplete.cpp

@@ -1,11 +1,14 @@
 #include "autocomplete.hpp"
 #include "servers.hpp"
 #include "config.hpp"
+#include "templates.hpp"
 
+#include <algorithm>
 #include <iostream>
 
 void dropshell::autocomplete(const std::vector<std::string> &args)
 {
+    auto cfg = dropshell::get_global_config();
     // std::cerr << "[ "<<args.size()<<" ] : ";
     // for (const auto& arg : args)
     //     std::cerr << arg << " ";
@@ -13,6 +16,49 @@ void dropshell::autocomplete(const std::vector<std::string> &args)
 
     if (args.size() < 3) // dropshell autocomplete ???
         autocomplete_list_commands();
+
+    std::string cmd = args[2];
+
+    std::string noargcmds[] = {"templates","autocomplete_list_servers","autocomplete_list_services","autocomplete_list_commands"};
+    if (std::find(std::begin(noargcmds), std::end(noargcmds), cmd) != std::end(noargcmds))
+        return;
+
+    if (!cfg->is_config_set())
+        return; // can't help without working config.
+
+    if (args.size()==3) // we have the command but nothing else.  dropshell autocomplete command <server>
+    {
+        auto servers = dropshell::get_configured_servers();
+        for (const auto& server : servers) 
+        std::cout << server.name << std::endl;
+        return;
+    }
+
+    if (args.size()==4) // we have the command and the server.  dropshell autocomplete command server <service>
+    {
+        std::string server = args[3];
+
+        if (cmd=="create-service")
+        { // create-service <server> <template> <service>
+            std::vector<template_info> templates;
+            get_templates(templates);
+            for (const auto& t : templates)
+                std::cout << t.name << std::endl;
+            return;
+        }
+
+        auto services = dropshell::get_server_services_info(server);
+        for (const auto& service : services) 
+            std::cout << service.service_name << std::endl;
+        return;
+    }
+
+    if (args.size()==5) // we have the command and the server and the service.  dropshell autocomplete command server service_name <command?>
+    {
+        return; // no more autocompletion possible - don't know what the argument is for.
+    }
+
+    return;
 }
 
 void dropshell::autocomplete_list_commands()