using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace BattleForAllenCreek
{
    class Hexpart
    {
        int x, y;
        int referenceX, referenceY;
        int hexpartType;
        String name;
        String prefix;

        public Hexpart()
        {
        }

        public Hexpart(String name)
        {
            this.name = name;
            this.calculateHexpart();
        }

        public Hexpart(int x, int y)
        {
            this.setXY(x, y);
        }

        public void setXY(int x, int y)
        {
            this.x = x;
            this.y = y;

            this.calculateHexpartType();
            this.calculateHexpartName();
        }

        public void calculateHexpartType()
        {
            // center = 1, bottom = 2, lower left = 3, upper left = 4

            this.hexpartType = 0;

            // 8 cases
            switch (this.x % 4)
            {
                case 0:
                    switch (this.y % 4)
                    {
                        case 0:
                            this.hexpartType = 1;
                            break;
                        case 2:
                            this.hexpartType = 2;
                            break;
                    }
                    break;

                case 1:
                    switch (this.y % 4)
                    {
                        case 1:
                            this.hexpartType = 4;
                            break;
                        case 3:
                            this.hexpartType = 3;
                            break;
                    }
                    break;

                case 2:
                    switch (this.y % 4)
                    {
                        case 0:
                            this.hexpartType = 2;
                            break;
                        case 2:
                            this.hexpartType = 1;
                            break;
                    }
                    break;

                case 3:
                    switch (this.y % 4)
                    {
                        case 1:
                            this.hexpartType = 3;
                            break;
                        case 3:
                            this.hexpartType = 4;
                            break;
                    }
                    break;
            }
        }

        public void calculateHexpartName()
        {

            switch (this.hexpartType)
            {

                case 1:
                    this.referenceX = this.x;
                    this.referenceY = this.y;
                    this.prefix = "hexpart:";
                    break;

                case 2:
                    this.referenceX = this.x;
                    this.referenceY = this.y - 2;
                    this.prefix = "hexpart_";
                    break;

                case 3:
                    this.referenceX = this.x + 1;
                    this.referenceY = this.y - 1;
                    this.prefix = "hexpart\\";
                    break;

                case 4:
                    this.referenceX = this.x + 1;
                    this.referenceY = this.y + 1;
                    this.prefix = "hexpart/";
                    break;
            }

            if (this.hexpartType > 0)
            {
                Hexagon hexagon = new Hexagon(this.referenceX, this.referenceY);
                this.name = this.prefix + hexagon.getName();
            }
            else
            {

                this.name = "null";
            }
        }

        private void calculateHexpart()
        {
            // center = :, lower = _, lower left = \\, upper left = /
            //    since \ is an escape char, need to check for \\

            Hexagon hexagon = new Hexagon(this.name.Substring(8,4));

            Char hexpartTypeLetter = (Char) this.name[7];

            this.referenceX = hexagon.getX();
            this.referenceY = hexagon.getY();

            switch (hexpartTypeLetter)
            {

                case ':':

                    this.hexpartType = 1;
                    this.x = this.referenceX;
                    this.y = this.referenceY;
                    break;

                case '_':

                    this.hexpartType = 2;
                    this.x = this.referenceX;
                    this.y = this.referenceY + 2;
                    break;

                case '\\':

                    this.hexpartType = 3;
                    this.x = this.referenceX - 1;
                    this.y = this.referenceY + 1;
                    break;

                case '/':

                    this.hexpartType = 4;
                    this.x = this.referenceX - 1;
                    this.y = this.referenceY - 1;
                    break;

                default:

                    this.hexpartType = 1;
                    this.x = this.referenceX;
                    this.y = this.referenceY;
                    break;
            }
        }

        public String getName()
        {
            return (this.name);
        }

        public int getX()
        {
            return this.x;
        }

        public int getY()
        {
            return this.y;
        }

        public int getType()
        {
            return this.hexpartType;
        }

        public String getTypeName()
        {
            String[] hexpartTypeName = new String[] { "", "center", "lower", "lowerLeft", "upperLeft"};
            return hexpartTypeName[this.hexpartType];
        }
    }
}