(function () {
    "use strict";

    var path = require("path");

    var MENU_ID = "lalala";
    var MENU_LABEL = "$$$/JavaScripts/Generator/shotthumb/Menu=lalala";

    var _menuState = true; //menuState

    function init (generator, config) {
        //(name, displayName, enabled, checked)
        generator.addMenuItem(MENU_ID, MENU_LABEL, true, true).then(
            function () {
                console.log("[CREATE]", MENU_ID);
            },
            function () {
                console.log("[FAILED]", MENU_ID);
            }
        );

        generator.onPhotoshopEvent("generatorMenuChanged", handleGeneratorMenuChanged(generator));

        function initLater() {
            generator.onPhotoshopEvent("imageChanged", handleImageChanged(generator));
        }

        process.nextTick(initLater);
    }

    function handleGeneratorMenuChanged (generator) {
        return function (event) {
          console.log("menuChanged");
          var menu = event.generatorMenuChanged;
          if (!menu || menu.name !== MENU_ID) {
              return;
          }

          var menuState = generator.getMenuState(menu.name);
          console.log("Menu event %s, starting state %s", stringify(event), stringify(menuState));

          //toggleChecked
          //var params = {name: MENU_ID, enabled: menuState.enabled, checked: menuState.checked};
          generator.toggleMenu(MENU_ID, menuState.enabled, !menuState.checked);

          //menuStateChecked
          var menuState = generator.getMenuState(menu.name);
          _menuState = menuState.checked;
          console.log("_menuState: " + _menuState);
        };
    }

    function handleImageChanged (generator) {
        return function (document) {
          console.log("Image " + document.id + " was changed:");
          if (!_menuState) {
              console.log('handleImageChanged : canceled');
              return;
          } else {
              var jsxFile = path.resolve(__dirname, "jsx/hostscript.jsx")
              generator.evaluateJSXFile(jsxFile);
          }
        };
    }

    /*********** HELPERS ***********/
    function stringify(object) {
        try {
            return JSON.stringify(object, null, "       ");
        } catch (e) {
            console.error(e);
        }
        return String(object);
    }

    exports.init = init;
}());