package com.wing.poem.control;


import android.app.AlertDialog;
import android.content.DialogInterface;
import android.util.Log;
import android.widget.ArrayAdapter;

import com.wing.poem.PoemActivity;
import com.wing.poem.R;
import com.wing.poem.vo.CheckPoint;
import com.wing.poem.vo.Poem;

public class Rule {
	public enum STATUS { 
			NORMAL,ERROR,OVER,RIGHT;
		} 
	private CheckPoint chpoint;
	private PoemActivity activity;
	private ArrayAdapter<String> adapter;
	private static Rule rule;
	public static Rule getInstance(PoemActivity activity){
		if(rule == null)
			rule  = new Rule(activity);
		return rule;
		
	}
	private Rule(PoemActivity activity){
		this.activity = activity;
	}
	public void init(CheckPoint p,ArrayAdapter<String> adapter){
		this.adapter = adapter;
		chpoint = p;
	}
	/**
	 * 
	 * @param p
	 * @param adapter
	 * @param count
	 * @return
	 */
	public void checkRight(int acitonNumber){
		
		final STATUS result = getStatus(acitonNumber);
		Log.d("check", result+":"+acitonNumber);

		if(result!=STATUS.NORMAL){
			activity.handler.removeMessages(0);
			String tips = activity.getResources().getStringArray(R.array.tips)[result.ordinal()];
	        new AlertDialog.Builder(activity)
	        .setTitle(tips)
	        .setPositiveButton(result==STATUS.RIGHT?R.string.next:R.string.retry,
	            new DialogInterface.OnClickListener() {
	                public void onClick(DialogInterface dialog, int whichButton) {
	                	activity.initPoem(result==STATUS.RIGHT?true:false);
	                }
	            }
	        ).setCancelable(false).show();
		}
		
	}
	private STATUS getStatus(int time){
		if(time<1)
			return STATUS.OVER;
		int[] key = chpoint.getKey();
		if(adapter.getCount() >key.length){
				return  STATUS.NORMAL;
		}else if(key.length == adapter.getCount()){
			for(int i=0;i<key.length;i++){
				Log.d("check", i+":"+key[i]+":"+chpoint.getPoem().getContent().get(key[i])+":"+adapter.getItem(i));
				if(!chpoint.getPoem().getContent().get(key[i]).equalsIgnoreCase(adapter.getItem(i)))
						return STATUS.NORMAL;
			}
			chpoint.setAchieve(time);
			return STATUS.RIGHT;
		}else{
			return STATUS.ERROR;
		}
	}
}