import System from "systemjs/dist/system.js";
import _ from "lodash";
import * as sdk from "app/plugins/sdk";
import kbn from "app/core/utils/kbn";
import moment from "moment";
import angular from "angular";
import jquery from "jquery";
import config from "app/core/config";
import TimeSeries from "app/core/time_series2";
import TableModel from "app/core/table_model";
import { coreModule, appEvents, contextSrv } from "app/core/core";
import * as datemath from "app/core/utils/datemath";
import * as fileExport from "app/core/utils/file_export";
import * as flatten from "app/core/utils/flatten";
import * as ticks from "app/core/utils/ticks";
import impressionSrv from "app/core/services/impression_srv";
import builtInPlugins from "./built_in_plugins";
import * as d3 from "d3";

// rxjs
import { Observable } from "rxjs/Observable";
import { Subject } from "rxjs/Subject";

// these imports add functions to Observable
import "rxjs/add/observable/empty";
import "rxjs/add/observable/from";
import "rxjs/add/operator/map";
import "rxjs/add/operator/combineAll";

System.config({
  baseURL: "public",
  defaultExtension: "js",
  packages: {
    plugins: {
      defaultExtension: "js"
    }
  },
  map: {
    text: "vendor/plugin-text/text.js",
    css: "vendor/plugin-css/css.js"
  },
  meta: {
    "*": {
      esModule: true,
      authorization: true
    }
  }
});

// add cache busting
var systemLocate = System.locate;
System.cacheBust = "?bust=" + Date.now();
System.locate = function(load) {
  var System = this;
  return Promise.resolve(systemLocate.call(this, load)).then(function(address) {
    return address + System.cacheBust;
  });
};

function exposeToPlugin(name: string, component: any) {
  System.registerDynamic(name, [], true, function(require, exports, module) {
    module.exports = component;
  });
}

exposeToPlugin("lodash", _);
exposeToPlugin("moment", moment);
exposeToPlugin("jquery", jquery);
exposeToPlugin("angular", angular);
exposeToPlugin("d3", d3);
exposeToPlugin("rxjs/Subject", Subject);
exposeToPlugin("rxjs/Observable", Observable);

// backward compatible path
exposeToPlugin("vendor/npm/rxjs/Rx", {
  Subject: Subject,
  Observable: Observable
});

exposeToPlugin("app/features/dashboard/impression_store", {
  impressions: impressionSrv,
  __esModule: true
});

exposeToPlugin("app/plugins/sdk", sdk);
exposeToPlugin("app/core/utils/datemath", datemath);
exposeToPlugin("app/core/utils/file_export", fileExport);
exposeToPlugin("app/core/utils/flatten", flatten);
exposeToPlugin("app/core/utils/kbn", kbn);
exposeToPlugin("app/core/utils/ticks", ticks);

exposeToPlugin("app/core/config", config);
exposeToPlugin("app/core/time_series", TimeSeries);
exposeToPlugin("app/core/time_series2", TimeSeries);
exposeToPlugin("app/core/table_model", TableModel);
exposeToPlugin("app/core/app_events", appEvents);
exposeToPlugin("app/core/core_module", coreModule);
exposeToPlugin("app/core/core", {
  coreModule: coreModule,
  appEvents: appEvents,
  contextSrv: contextSrv,
  __esModule: true
});

import "vendor/flot/jquery.flot";
import "vendor/flot/jquery.flot.selection";
import "vendor/flot/jquery.flot.time";
import "vendor/flot/jquery.flot.stack";
import "vendor/flot/jquery.flot.pie";
import "vendor/flot/jquery.flot.stackpercent";
import "vendor/flot/jquery.flot.fillbelow";
import "vendor/flot/jquery.flot.crosshair";
import "vendor/flot/jquery.flot.dashes";

const flotDeps = [
  "jquery.flot",
  "jquery.flot.pie",
  "jquery.flot.time",
  "jquery.flot.fillbelow",
  "jquery.flot.crosshair",
  "jquery.flot.stack",
  "jquery.flot.selection",
  "jquery.flot.stackpercent",
  "jquery.flot.events"
];
for (let flotDep of flotDeps) {
  exposeToPlugin(flotDep, { fakeDep: 1 });
}

export function importPluginModule(path: string): Promise<any> {
  let builtIn = builtInPlugins[path];
  if (builtIn) {
    return Promise.resolve(builtIn);
  }
  return System.import(path);
}

export function loadPluginCss(options) {
  if (config.bootData.user.lightTheme) {
    System.import(options.light + "!css");
  } else {
    System.import(options.dark + "!css");
  }
}