using CefSharp;

namespace TradeIdeas.TIProGUI.Charting.JavaScriptBridge
{
    public class ChartJSBridgeRenderProcessMessageHandler : IRenderProcessMessageHandler
    {
        public string ScriptToExecuteAfterContentLoaded = string.Empty;

        public bool ContextCreated = false;

        public void OnContextReleased(IWebBrowser browserControl, IBrowser browser, IFrame frame)
        {

        }

        public void OnFocusedNodeChanged(IWebBrowser browserControl, IBrowser browser, IFrame frame, IDomNode node)
        {

        }

        public void OnUncaughtException(IWebBrowser browserControl, IBrowser browser, IFrame frame, JavascriptException exception)
        {

        }

        // Wait for the underlying JavaScript Context to be created. This is only called for the main frame.
        // If the page has no JavaScript, no context will be created.
        public void OnContextCreated(IWebBrowser browserControl, IBrowser browser, IFrame frame)
        {
            ContextCreated = true;

            var script = "document.addEventListener('DOMContentLoaded', function(){ console.log('chart ready, script wait for execute : " + !string.IsNullOrEmpty(ScriptToExecuteAfterContentLoaded) + "'); " + ScriptToExecuteAfterContentLoaded +" });";
            frame.ExecuteJavaScriptAsync(script);

            this.ScriptToExecuteAfterContentLoaded = string.Empty;
        }
    }
}