using System;
using System.Drawing;
using System.Windows.Forms;

namespace HL_FristAidPlatform_RealTimeVideo
{
    public class WebMap
    {

        private static readonly WebMap instance;

        private double _longitude;

        private double _latitude;

        private WebBrowser browser;

        private string BD_MapUrl = "http://api.map.baidu.com/api?v=2.0&ak=";

        private string BD_Key = "yzC0EIsAMwK5AXdLzbNYM9gNCudAZmtq";

        private string logUrl = "green.png";

        private string html = "";

        private string headscript = "";

        private string myscript = "";

        public static WebMap Instance => instance;

        public double Longitude
        {
            get
            {
                return _longitude;
            }
            set
            {
                _longitude = value;
            }
        }

        public double Latitude
        {
            get
            {
                return _latitude;
            }
            set
            {
                _latitude = value;
            }
        }

        public WebBrowser WebBrowser1
        {
            get
            {
                return browser;
            }
            set
            {
                browser = value;
            }
        }

        static WebMap()
        {
            instance = new WebMap();
        }

        private WebMap()
        {
        }

        public void LoadDefaultUrl(M_CarGPS m_CarGPS)
        {
            browser.ScriptErrorsSuppressed = true;
            string uriString = Application.StartupPath + "\\Map.html";
            browser.Url = new Uri(uriString);
            browser.ObjectForScripting = true;
            addFunction();
            browser.DocumentCompleted += delegate
            {
                browser.Document.InvokeScript("BD_MapDirectionShow", new object[4]
                    {
                        m_CarGPS.ambulanceNumber,
                        m_CarGPS.deviceId,
                        m_CarGPS.lpX,
                        m_CarGPS.lpY
                    });
            };
        }

        public void BD_MapDirectionShow()
        {
            if (browser != null)
            {
                browser.Document.InvokeScript("BD_MapDirectionShow", new object[2]
                {
                    _longitude,
                    _latitude
                });
            }
        }

        public void BD_MapDirectionShow(string ambulanceNumber, string deviceId, double lng, double lat)
        {
            if (browser.Url != (Uri)null)
            {
                browser.Document.InvokeScript("BD_MapDirectionShow", new object[4]
                {
                    ambulanceNumber,
                    deviceId,
                    lng,
                    lat
                });
            }
        }

        public void BD_MapDirectionShow(Point p)
        {
            if (browser.Url != (Uri)null)
            {
                browser.Document.InvokeScript("BD_MapDirectionShow", new object[2]
                {
                    p.X,
                    p.Y
                });
            }
        }

        public void BD_ClearOverlays()
        {
            if (browser.Url != (Uri)null)
            {
                browser.Document.InvokeScript("ClearOverlays", new object[0]);
            }
        }

        public void BD_ShowCarRuns()
        {
            if (browser.Url != (Uri)null)
            {
                browser.Document.InvokeScript("BD_ShowCarRuns", new object[0]);
            }
        }

        public void BD_ShowCarRun(MyLngLatPoint startPoint, MyLngLatPoint endPoint)
        {
            if (browser.Url != (Uri)null)
            {
                browser.Document.InvokeScript("BD_ShowCarRun", new object[4]
                {
                    startPoint.X,
                    startPoint.Y,
                    endPoint.X,
                    endPoint.Y
                });
            }
        }

        public object evel(MyLngLatPoint point)
        {
            return browser.Document.InvokeScript("eval", new object[1]
            {
                point
            });
        }

        public void addFunctions()
        {
            HtmlElement htmlElement = browser.Document.CreateElement("script");
            htmlElement.SetAttribute("type", "text/javascript");
            htmlElement.SetAttribute("text", "function _func(){alert('OK')}");
            HtmlElement htmlElement2 = browser.Document.Body.AppendChild(htmlElement);
            browser.Document.InvokeScript("_func");
        }

        public void addFunction()
        {
            //try
            //{
            //    string text = "alert('Hello');";
            //    browser.Document.InvokeScript("eval", new object[1]
            //    {
            //    text
            //    });
            //}
            //catch
            //{
            //}
        }

        public void PointPath(string start, string end)
        {
            if (browser.Url != (Uri)null)
            {
                browser.Document.InvokeScript("PointPath", new object[2]
                {
                    start,
                    end
                });
            }
        }
        public void EnableMouseDrag()
        {
            if (browser.Url != (Uri)null)
            {
                browser.Document.InvokeScript("enableMouseDrag", new object[0]{});
            }
        }
        public void GetNavigation(string startPointX, string startPointY,string endPoint)
        {
            browser.ScriptErrorsSuppressed = true;
            string uriString = Application.StartupPath + "\\Map.html";
            browser.Url = new Uri(uriString);
            browser.ObjectForScripting = true;
            addFunction();
            browser.DocumentCompleted += delegate
            {
                browser.Document.InvokeScript("getNavigation", new object[3] { startPointX, startPointY, endPoint });
            };
        }
        
    }
}