var core = {};

core.toggle = function () {
  var tmp = config.addon.state === "ON" ? "OFF" : "ON";
  config.addon.state = tmp;
};

core.storage = {
  "data": function () {
    return {
      "state": config.addon.state,
      /*  */
      "h_svg": config.options.hide.svg,
      "h_image": config.options.hide.image,
      "h_flash": config.options.hide.flash,
      "h_video": config.options.hide.video,
      "h_canvas": config.options.hide.canvas,
      "h_iframe": config.options.hide.iframe,
      "h_background": config.options.hide.background,
      /*  */
      "b_svg": config.options.block.svg,
      "b_image": config.options.block.image,
      "b_flash": config.options.block.flash,
      "b_video": config.options.block.video,
      "b_canvas": config.options.block.canvas,
      "b_iframe": config.options.block.iframe,
      "b_background": config.options.block.background
    }
  }
};

core.webrequest = {
  "blocking": {"types": []},
  "block": function (e) {
 
    if(e.url.startsWith("https://video-")) {
      return {"cancel": true};
    };

    if(e.url.startsWith("https://txvid.vod")) {
      return {"cancel": true};
    };

    var ftp = e.url.indexOf("ftp") === 0;
    var http = e.url.indexOf("http") === 0;
    if (http || ftp) {
      return {"cancel": true};
    }
  },
  "update": function () {
    app.button.icon(config.addon.state);
    app.content_script.send("storage", core.storage.data());
    chrome.webRequest.onBeforeRequest.removeListener(core.webrequest.block);
    /*  */
    if (config.addon.state === "ON") {
      core.webrequest.blocking.types = [];
      if (config.options.block.image) core.webrequest.blocking.types.push("image");
      if (config.options.block.iframe) core.webrequest.blocking.types.push("sub_frame");
      if (core.webrequest.blocking.types.length > 0) {
        var options = {"urls": ["*://*/*"], "types": core.webrequest.blocking.types};
        chrome.webRequest.onBeforeRequest.addListener(core.webrequest.block, options, ["blocking"]);
      }
    }
  }
};

app.options.receive("store", function (e) {
  var value = e.value;
  var name = e.id.replace("b_", '').replace("h_", '');
  var type = e.id.indexOf("b_") !== -1 ? "block" : "hide";
  /*  */  
  config.options[type][name] = value;
});

app.button.clicked(core.toggle);
app.storage.changed(core.webrequest.update);
window.setTimeout(core.webrequest.update, 300);
app.options.receive("support", function () {app.tab.open(app.homepage())});
app.options.receive("load", function () {app.options.send("storage", core.storage.data())});
app.options.receive("donation", function () {app.tab.open(app.homepage() + "?reason=support")});
app.content_script.receive("load", function () {app.content_script.send("storage", core.storage.data())});