// Custom CSS properties
var customCSS = `div[data-name="list-item-title"] {text-transform: none;}`;

function initOnReady() {
  const cssBlob = new Blob([customCSS], {
    type: "text/css",
  });
  const cssBlobUrl = URL.createObjectURL(cssBlob);
  
  class LowercaseDatafeed extends Datafeeds.UDFCompatibleDatafeed {
    searchSymbols(userInput, exchange, symbolType, onResult) {
      function lowercaseResult(results) {
        const newResults = results.map(i => {
          return {
            ...i,
            symbol: i.symbol?.toLowerCase(),
            name: i.name?.toLowerCase(),
            ticker: i.ticker?.toLowerCase(),
          };
        });
        onResult(newResults);
      }
      super.searchSymbols(userInput, exchange, symbolType, lowercaseResult);
    }
    resolveSymbol(symbolName, onResolve, onError, extension) {
      function lowercaseResult(info) {
        info.name = info.name.toLowerCase();
        info.ticker = info.ticker.toLowerCase();
        onResolve(info);
      }
      super.resolveSymbol(symbolName, lowercaseResult, onError, extension);
    }
  }
  
  var widget = (window.tvWidget = new TradingView.widget({
    library_path:
      "https://charting-library.tradingview-widget.com/charting_library/",
    // debug: true, // uncomment this line to see Library errors and warnings in the console
    fullscreen: true,
    symbol: "AAPL",
    interval: "1D",
    container: "tv_chart_container",
    datafeed: new LowercaseDatafeed(
      "https://demo-feed-data.tradingview.com"
    ),
    locale: "en",
    disabled_features: ['uppercase_instrument_names'],
    enabled_features: [],
    custom_css_url: cssBlobUrl,
  }));
}

window.addEventListener("DOMContentLoaded", initOnReady, false);