using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;



namespace cchamber
{
    /// <summary>
    /// A form that can utilize the TicTacToe webservice to play Tic Tac Toe
    /// </summary>
    public partial class playForm : System.Web.UI.Page
    {
        protected com.harbormist.TicTacToe myWebService = null;
       // protected com.harbormist.TicTacToe
        
        const int NUM_CELLS = 9;
        const char EMPTY = '_';

//        protected System.Web.UI.WebControls.Button Button2;
        //protected System.Web.UI.WebControls.Button Button3;
        //protected System.Web.UI.WebControls.Button Button4;
        //protected System.Web.UI.WebControls.Button Button5;
        //protected System.Web.UI.WebControls.Button Button6;
        //protected System.Web.UI.WebControls.Button Button7;
        //protected System.Web.UI.WebControls.Button Button1;
        //protected System.Web.UI.WebControls.Button Button0;
        //protected System.Web.UI.WebControls.Label titleLabel;
        //protected System.Web.UI.WebControls.Label statusLabel;
        //protected System.Web.UI.HtmlControls.HtmlInputHidden hiddenBoard;
        //protected System.Web.UI.WebControls.HyperLink playAgainLink;
        //protected System.Web.UI.WebControls.Label subtitleLabel;
        //protected System.Web.UI.WebControls.Button Button8;

        private void Page_Load(object sender, System.EventArgs e)
        {
            myWebService = new com.harbormist.TicTacToe();

            //check for Board State String arguments given by the GET method
            String[] bSSs = Request.QueryString.GetValues("board");


            if (bSSs == null || "".Equals(bSSs[0].Trim()))
            { //no prior board state, start a new game
                statusLabel.Text = "Welcome! You are 'X'";
                return;
            }

            String bSS = bSSs[0]; //only need the first one of all the properly-named GET arguments			
            this.hiddenBoard.Value = bSS;  //keep the state to be sent next time
            showState(this.hiddenBoard.Value);
        }

        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.Button1.Click += new System.EventHandler(this.Button1_Click);
            this.Button8.Click += new System.EventHandler(this.Button8_Click);
            this.Button7.Click += new System.EventHandler(this.Button7_Click);
            this.Button6.Click += new System.EventHandler(this.Button6_Click);
            this.Button5.Click += new System.EventHandler(this.Button5_Click);
            this.Button4.Click += new System.EventHandler(this.Button4_Click);
            this.Button3.Click += new System.EventHandler(this.Button3_Click);
            this.Button2.Click += new System.EventHandler(this.Button2_Click);
            this.Button0.Click += new System.EventHandler(this.Button0_Click);
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion



        private void showState(string boardState)
        {
            if (boardState.Length != NUM_CELLS)
            {
                //if we have an error here, soes the user really need to know? Perhaps not.
                //this.statusLabel.Text = "'" + boardState + "' does not have " + NUM_CELLS + " characters.";
                return;
            }

            Button0.Text = cellString(boardState[0]);
            Button1.Text = cellString(boardState[1]);
            Button2.Text = cellString(boardState[2]);
            Button3.Text = cellString(boardState[3]);
            Button4.Text = cellString(boardState[4]);
            Button5.Text = cellString(boardState[5]);
            Button6.Text = cellString(boardState[6]);
            Button7.Text = cellString(boardState[7]);
            Button8.Text = cellString(boardState[8]);

            this.hiddenBoard.Value = boardState;
        }


        /// <summary>
        /// Makes a char that represents the contents of a cell
        /// into a string that can be used as the text of a button.
        /// </summary>
        /// <param name="cellChar">char representing the contents of a cell</param>
        /// <returns>one-character string, to be used on a button</returns>
        private string cellString(char cellChar)
        {
            return cellChar == EMPTY ? " " : Convert.ToString(cellChar);
        }


        /// <summary>
        /// This is called by any button, with the index of the button as the argument.
        /// It calls the webservice to implement the user move, get the state after the 
        /// computer move, and update the status line.
        /// </summary>
        /// <param name="buttonNum">The index of the button that was clicked (0-8)</param>
        private void button_Click(int buttonNum)
        {
            String newState = myWebService.respondToUserMove(this.hiddenBoard.Value, buttonNum);
            this.statusLabel.Text = myWebService.getStatus(newState);
            showState(newState);
        }

        #region User Button Clicks
        // these routines call button_click(int) above.

        private void Button0_Click(object sender, System.EventArgs e)
        {
            button_Click(0);
        }

        private void Button1_Click(object sender, System.EventArgs e)
        {
            button_Click(1);
        }

        private void Button2_Click(object sender, System.EventArgs e)
        {
            button_Click(2);
        }

        private void Button3_Click(object sender, System.EventArgs e)
        {
            button_Click(3);
        }

        private void Button4_Click(object sender, System.EventArgs e)
        {
            button_Click(4);
        }

        private void Button5_Click(object sender, System.EventArgs e)
        {
            button_Click(5);
        }

        private void Button6_Click(object sender, System.EventArgs e)
        {
            button_Click(6);
        }

        private void Button7_Click(object sender, System.EventArgs e)
        {
            button_Click(7);
        }

        private void Button8_Click(object sender, System.EventArgs e)
        {
            button_Click(8);
        }
        #endregion

    }
}