angular
  .module("webui.services.rpc.helpers", [
    "webui.services.deps",
    "webui.services.rpc",
    "webui.services.alerts"
  ])
  .factory("$rpchelpers", [
    "$_",
    "$rpc",
    "$alerts",
    function(_, rpc, alerts) {
      var miscellaneous = { version: "", enabledFeatures: [] };
      rpc.once("getVersion", [], function(data) {
        miscellaneous = data[0];
      });
      return {
        isFeatureEnabled: function(feature) {
          return miscellaneous.enabledFeatures.indexOf(feature) != -1;
        },
        getAria2Version: function() {
          return miscellaneous.version;
        },
        addUris: function(uris, settings, cb) {
          _.each(uris, function(uri) {
            var uri_parsed = [];
            // parse options passed in the URIs. E.g. http://ex1.com/f1.jpg --out=image.jpg --check-integrity
            var uriSettings = _.cloneDeep(settings);
            _.each(uri, function(uri_element) {
              if (uri_element.startsWith("--")) {
                uri_options = uri_element.split(/--|=(.*)/);
                if (uri_options.length > 2) {
                  uriSettings[uri_options[2]] = uri_options[3] || "true";
                }
              } else {
                uri_parsed.push(uri_element);
              }
            });
            // passing true to batch all the addUri calls
            rpc.once("addUri", [uri_parsed, uriSettings], cb, true);
          });

          // now dispatch all addUri syscalls
          rpc.forceUpdate();
        },
        addTorrents: function(txts, settings, cb) {
          _.each(txts, function(txt) {
            // passing true to batch all the addUri calls
            rpc.once("addTorrent", [txt, [], settings], cb, true);
          });

          // now dispatch all addUri syscalls
          rpc.forceUpdate();
        },
        addMetalinks: function(txts, settings, cb) {
          _.each(txts, function(txt) {
            // passing true to batch all the addUri calls
            rpc.once("addMetalink", [txt, settings], cb, true);
          });

          // now dispatch all addUri syscalls
          rpc.forceUpdate();
        }
      };
    }
  ]);