using System;
using System.Collections.Generic;
//using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;
using System.Text;
using System.IO;
using Subgurim.Controles;
using AtomicCityBusScheduler;

public partial class _Default : System.Web.UI.Page
{
    public TransportSystem aTransportSystem = new TransportSystem();
    System.Text.StringBuilder sb = new System.Text.StringBuilder();
    public List<Route> allRoutes = new List<Route>();
    public Route aRoute;
    public TripPattern pattern1 = new TripPattern();
    public TripPattern aTripPattern;

    protected void Page_Load(object sender, EventArgs e)
    {
     
            //read from the file
            TextReader fileReader = new StreamReader("Bus Schedule2.csv");
            string title = fileReader.ReadLine();
            title = fileReader.ReadLine();
            string[] bits = title.Split(',');
            aTransportSystem.name = bits[0];
            lblTitle.Text = aTransportSystem.name + " Scheduler";
            string line = fileReader.ReadLine();
            string line2 = fileReader.ReadLine();
            string line3 = fileReader.ReadLine();
            bits = line3.Split(',');

            while (bits[0] != "")
            {
                AtomicCityBusScheduler.Location aLocation = new AtomicCityBusScheduler.Location();
                aLocation.name = bits[0].Replace("\"", "");
                aLocation.address = bits[1];
                aLocation.latitude = double.Parse(bits[2]);
                aLocation.longitude = double.Parse(bits[3]);
                aTransportSystem.cLocation.Add(aLocation);
                line3 = fileReader.ReadLine();
                bits = line3.Split(',');

                //add for the combo box
                ListItem addList = new ListItem();
                string location_name = aLocation.name.Replace("\"", "");
                string latlong =aLocation.latitude + "," + aLocation.longitude;
                if (!IsPostBack)
                {
                    addList.Text = location_name;
                    addList.Value = latlong;

                    lstStart.Items.Add(addList);
                    lstDest.Items.Add(addList);

                }
            }

            line = fileReader.ReadLine();
            bits = line.Split(',');
            while (bits[0] != "")
            {
                List<string[]> table = new List<string[]>();
                aRoute = new Route();
                aRoute.name = bits[0];
                line2 = fileReader.ReadLine();
                line3 = fileReader.ReadLine();
                bits = line3.Split(',');
                while (bits[0] != "")
                {
                    table.Add(bits);
                    line3 = fileReader.ReadLine();
                    if (line3 == null)
                    {
                        bits = "".Split(',');
                    }
                    else
                    {
                        bits = line3.Split(',');
                    }
                }
                List<AtomicCityBusScheduler.Location> cLocation = new List<AtomicCityBusScheduler.Location>();
                List<int> c2ArrivalTime = new List<int>();
                List<int> c1WaitTime = new List<int>();

                string[] firstRow = table[0];
                List<string> firstList = new List<string>();
                firstList.AddRange(firstRow);
                int index = firstList.FindIndex(
                            delegate(string str)
                            {
                                return str == "";
                            });
                int n1TripPattern;
                if (index > 0)
                {
                    n1TripPattern = index / 5; //5 = arrival time, wait time, repeat time, first repeat, ;last repeat
                }
                else
                {
                    n1TripPattern = firstList.Count / 5;
                }
                for (int i = 0; i < n1TripPattern; i++)
                {
                    aTripPattern = new TripPattern();
                    foreach (string[] cString in table)
                    {
                        if (i == 0)
                        {
                            string locationName = cString[0];
                            AtomicCityBusScheduler.Location aLocation = aTransportSystem.aLocationAt(locationName);
                            cLocation.Add(aLocation);
                        }
                        if (cString[1] != "")
                        {
                            int offset = 5 * i;
                            int aArrivalTime = int.Parse(cString[offset + 1]);
                            int aWaitTime = int.Parse(cString[offset + 2]);
                            if (cString[offset + 3] != "")
                            {
                                aTripPattern.repeatMinutes = int.Parse(cString[offset + 3]);
                                aTripPattern.firstRepeatTime = ConvertTime(cString[offset + 4]);
                                aTripPattern.lastRepeatTime = ConvertTime(cString[offset + 5]);
                            }
                            aTripPattern.c1ArrivalTime.Add(aArrivalTime);
                            aTripPattern.cWaitTime.Add(aWaitTime);
                        }
                    }
                    aRoute.addTripPattern(aTripPattern);

                }
                aRoute.cLocation = cLocation;
                allRoutes.Add(aRoute);
                line3 = fileReader.ReadLine();
                if (line3 == null)
                {
                    bits = "".Split(',');
                }
                else
                {
                    bits = line3.Split(',');
                }
            }


            foreach (Route r in allRoutes)
            {
                r.setcTrip();
            }
            string[] Items = new string[aTransportSystem.cLocation.Count];
            for (int i = 0; i < aTransportSystem.cLocation.Count; i++)
            {
                Items[i] = aTransportSystem.cLocation[i].name;
            }
            if (!IsPostBack) {
                CallScript(); 
            }

            
    }
   
    public AtomicCityBusScheduler.Location startDest, endDest;
    public int hour, minute;

    public string clockTime(int min)
    {
        string hour = (min / 60).ToString();
        int minutes = (min % 60);
        string digits;
        if (minutes < 10)
        {
            digits = "0" + minutes.ToString();
        }
        else
        {
            digits = minutes.ToString();
        }
        string clockTime = hour + ":" + digits;
        return clockTime;
    }

    protected void ok_Click(object sender, EventArgs e)
    {
        if (listBoxMinute.SelectedItem == null || listBoxHour.SelectedItem == null)
        {
            lstDirection.Items.Clear();
            lstDirection.Items.Add("Please set the Destinated Time of Departure.");
            CallScript();
            return;
        }
        if (lstStart.SelectedItem.Text == lstDest.SelectedItem.Text)
        {
            lstDirection.Items.Clear();
            lstDirection.Items.Add("Please select different location.");
            CallScript();
            return;
        }
        else
        {

            bool solutionFound = false;

            startDest = aTransportSystem.aLocationAt(lstStart.SelectedItem.Text);
            endDest = aTransportSystem.aLocationAt(lstDest.SelectedItem.Text);

            hour = int.Parse(listBoxHour.Text);
            minute = int.Parse(listBoxMinute.Text);
            List<Route> endRoutes = new List<Route>();
            foreach (Route r in allRoutes)
            {
                if (r.ContainsEnd(endDest))
                {
                    endRoutes.Add(r);
                }
            }
            List<Route> startRoutes = new List<Route>();
            foreach (Route r in allRoutes)
            {
                if (r.ContainsStart(startDest))
                {
                    startRoutes.Add(r);
                }
            }
            List<Route> goodRoutes = new List<Route>();
            foreach (Route r in startRoutes)
            {
                if (endRoutes.Contains(r))
                {
                    goodRoutes.Add(r);
                }
            }
            int aArrivalTime = int.Parse(listBoxHour.Text) * 60 + int.Parse(listBoxMinute.Text);
            List<Trip> goodTrips = new List<Trip>();
            string  mapInfo="",path="";
            int count = TabMenu.Items.Count;
            //reset tab menu
            if (count != 1)
            {
                for (int i = count-1; i >= 1; i--)
                {
                    TabMenu.Items.RemoveAt(i);
                }
            }
            lstDirection.Items.Clear();

            foreach (Route r in goodRoutes)
            {
                List<int> startandEndTime = r.startandEndTime(startDest, endDest, aArrivalTime);
                int startTime;
                int endTime;

                if (startandEndTime[1] < startandEndTime[3])
                {
                    startTime = startandEndTime[2];
                    endTime = startandEndTime[3];
                }
                else
                {
                    startTime = startandEndTime[0];
                    endTime = startandEndTime[1];
                }
                if (startTime > 0 & endTime > (aArrivalTime - 60))
                {
                    solutionFound = true;
                    path = "from: " + r.getLocationIndex(startDest, endDest);
                    mapInfo = r.name + "~" + startDest.name + "~" + clockTime(startTime) + "~" + endDest.name + "~" + clockTime(endTime)+"~"+path;
                    CreateTab(mapInfo);

                }
            }

            if (goodRoutes.Count == 0)
            {
                foreach (Route rs in startRoutes)
                {
                    foreach (Route re in endRoutes)
                    {
                        try
                        {
                            AtomicCityBusScheduler.Location changeDest = re.joinStartandEnd(rs, startDest, endDest);
                            List<int> startandEndTime = re.startandEndTime(changeDest, endDest, aArrivalTime);
                            int getOnTime = startandEndTime[0];
                            int arriveTime = startandEndTime[1];
                            startandEndTime = rs.startandEndTime(startDest, changeDest, getOnTime);
                            int startTime = startandEndTime[0];
                            int getOffTime = startandEndTime[1];
                            if ((startTime > 0) & (arriveTime - startTime < 180) & arriveTime > (aArrivalTime - 60))
                            {
                                solutionFound = true;
                                path = "from: " + rs.getLocationIndex(startDest, changeDest) + " to: " + re.getLocationIndex(changeDest, endDest);
                                mapInfo = rs.name + "~" + startDest.name + "~" + clockTime(startTime) + "~" + endDest.name + "~" + clockTime(arriveTime) + "~" + re.name + "~" + changeDest.name + "~" + clockTime(getOffTime) + "~" + clockTime(getOnTime)+"~"+path;
                                CreateTab(mapInfo);

                            }
                        }
                        catch
                        {
                            continue;
                        }
                    }
                }
            }

            
            if (solutionFound == false)
            {
                lstDirection.Items.Clear();
                lstDirection.Items.Add("The bus doesn't run this early.");
            }
            else {
                TabMenu.TabIndex = 1;
                callDirection("1");
            }
        }
    }

    protected void Clear_Click(object sender, EventArgs e)
    {
     //clear
        lstStart.SelectedIndex = 0;
        lstDest.SelectedIndex = 0;
        listBoxMinute.SelectedIndex = -1;
        listBoxHour.SelectedIndex = -1;
        int count = TabMenu.Items.Count;
        //reset tab menu
        if (count != 1)
        {
            for (int i = count-1; i >= 1; i--)
            {
                TabMenu.Items.RemoveAt(i);
            }
        }
        lstDirection.Items.Clear();

        CallScript();       
    }

    public void CallScript(){
        AtomicCityBusScheduler.Location StartLocation = aTransportSystem.aLocationAt(lstStart.SelectedItem.Text);
        AtomicCityBusScheduler.Location DestLocation = aTransportSystem.aLocationAt(lstDest.SelectedItem.Text);

        String script = "";
       script = script + "DrawMap('lstStart',0);DrawMap('lstDest',1);";
        
        Page.RegisterStartupScript("myscript", "<script language=JavaScript>" + script + " </script>");
    }
    public int ConvertTime(string time) {
        string[] splitTime = time.Split(':');
        int ConvertedTime = int.Parse(splitTime[0].Trim()) * 60 + int.Parse(splitTime[1].Trim());
        return ConvertedTime;
    }

    int tabNum = 0;
    string tabName = "";

    public void CreateTab(string mapInfo) {
        tabNum += 1;
        //add tab to view

        tabName = "Route" + tabNum;

        MenuItem newRouteTab = new MenuItem();
        newRouteTab.Text = tabName;
        newRouteTab.Value = mapInfo;
        TabMenu.Items.Add(newRouteTab);
    }


    protected void TabMenu_MenuItemClick(object sender, MenuEventArgs e)
    {
        lstDirection.Items.Clear();
        if (TabMenu.SelectedItem.Value == "0")
        {
            CallScript();
        }
        else
        {
            callDirection(TabMenu.SelectedItem.Value);
        }
    }
    public void callDirection(String index) {
        string script = "", txtStart = "", txtEnd = "", txtTransOff = "", txtTransOn="",txtTrans="";
        String[] info ;
        if (index == "1")
        {
            String mapInfo = TabMenu.Items[int.Parse(index)].Value;
            info = mapInfo.Split('~');
        }
        else
        {
            info = index.Split('~');
        }
                                
            //0: r.name
            //1: startDest.name
            //2: clockTime(startTime)
            //3: endDest.name
            //4: clockTime(endTime)
            //5: re.name || for length=6: path
            //6: changeDest.name 
            //7: clockTime(getOffTime)
            //8: clockTime(getOnTime)
            //9: path
          
            if (info.Length == 6)
            {
                txtStart = "From: \"" + info[1] + "\" Departure Time: " + info[2] + " Route: " + info[0];
                txtEnd = "To: \"" + info[3] + "\" Arrival  Time: " + info[4];
                lstDirection.Items.Add(txtStart);
                lstDirection.Items.Add(txtEnd);

                //draw map
                txtStart = "From:  " + info[1] + "<br>Time: " + info[2] + "<br>Route: " + info[0];
                txtEnd = "To: " + info[3] + "<br>Time: " + info[4] + "<br>Route: " + info[0];

                script = "DrawMap('lstStart',0);DrawMap('lstDest',0);Draw2Destination( \"" + txtStart + "\" , \"" + txtEnd + "\",\""+ info[5]+"\");";

            }
            else if (info.Length == 10)
            {
                txtStart = "From: \"" + info[1] + "\" Departure Time: " + info[2] + " Route: " + info[0];
                txtTransOff = "Get Off at: \"" + info[6] + "\" Arrival Time: " + info[7];
                txtTransOn = "Get On from: \"" + info[6] + "\" Departure Time: " + info[8] + " Route: " + info[5];
                txtEnd = "To: \"" + info[3] + "\" Arrival Time: " + info[4];

                lstDirection.Items.Add(txtStart);
                lstDirection.Items.Add(txtTransOff);
                lstDirection.Items.Add(txtTransOn);
                lstDirection.Items.Add(txtEnd);

                txtStart = "From:  " + info[1] + "<br>Departure Time: " + info[2] + "<br>Route: " + info[0];
                txtTrans = "Get Off at: " + info[6] + "<br>Arrival Time: " + info[7] + "<br>Departure Time: " + info[8] + "<br>Route: " + info[5];
                txtEnd = "To: " + info[3] + "<br>Arrival Time: " + info[4];

                AtomicCityBusScheduler.Location TransLocation = aTransportSystem.aLocationAt(info[6]);
                string transLatlng = "new google.maps.LatLng(" + TransLocation.latitude + " , " + TransLocation.longitude + " )";
                //draw map
                script = "DrawMap('lstStart',0);DrawMap('lstDest',0);Draw3Destination( \"" + txtStart + "\" , \"" + txtTrans + "\" , \"" + txtEnd + "\" , " + transLatlng + " ,\"" + info[9] + "\");";
            }

            Page.RegisterStartupScript("myscript", "<script language=JavaScript>" + script + " </script>"); 
    }





}