package org.teameos.actions;

import android.app.Dialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

public class ActionDialog extends Dialog {

    public interface OnComponentSelectedListener {
        void componentSelected(String componentName);
    }

    private OnComponentSelectedListener mListener;
    private Context mContext;
    private int mViewType;
    public static final int VIEW_LIST_NAMES = 1;
    public static final int VIEW_ICONS = 2;
    public static final int VIEW_LIST_BOTH = 3;
    private ArrayList<MyAppPackage> components;
    private static final String activityTitle = "Select an activity";
    private static final String iconTitle = "Select an icon";
    private String mTitle;

    public ActionDialog(Context context, OnComponentSelectedListener listener) {
        super(context);
        mContext = context;
        mViewType = VIEW_LIST_BOTH;
        mListener = listener;
        // TODO Auto-generated constructor stub
    }

    public ActionDialog(Context context, OnComponentSelectedListener listener, int ViewType) {
        super(context);
        mContext = context;
        mViewType = ViewType;
        mListener = listener;
        // TODO Auto-generated constructor stub
    }

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        switch (mViewType) {
            case VIEW_LIST_NAMES:
                mTitle = activityTitle;
                break;
            case VIEW_LIST_BOTH:
                mTitle = activityTitle;
                break;
            case VIEW_ICONS:
                mTitle = iconTitle;
                break;
        }

        PackageManager pm = mContext.getPackageManager();
        Intent intent = new Intent(Intent.ACTION_MAIN, null);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        List<ResolveInfo> activities = pm.queryIntentActivities(intent, 0);
        for (ResolveInfo info : activities) {
            MyAppPackage ap = new MyAppPackage(info, pm);
            components.add(ap);
        }

        // create layout for dialog
        LinearLayout dialogLayout = new LinearLayout(mContext);
        dialogLayout.setOrientation(LinearLayout.VERTICAL);
        dialogLayout.setGravity(android.view.Gravity.CENTER);
        LinearLayout.LayoutParams dLayoutParams = new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.FILL_PARENT,
                LinearLayout.LayoutParams.WRAP_CONTENT);
        dLayoutParams.setMargins(10, 0, 10, 5);

        for (MyAppPackage mp : components) {
            // create layout for each component and add to dialog layout
            LinearLayout itemLayout = new LinearLayout(dialogLayout.getContext());
            itemLayout.setOrientation(LinearLayout.HORIZONTAL);
            itemLayout.setGravity(android.view.Gravity.LEFT);
            LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
                    LinearLayout.LayoutParams.FILL_PARENT,
                    LinearLayout.LayoutParams.WRAP_CONTENT);
            layoutParams.setMargins(1, 1, 1, 1);

            ImageView iv = new ImageView(mContext);
            iv.setImageDrawable(mp.getIcon());
            itemLayout.addView(iv, layoutParams);

            TextView tv = new TextView(mContext);
            tv.setText(mp.getName());
            itemLayout.addView(tv, layoutParams);
            dialogLayout.addView(itemLayout);
        }
        setContentView(dialogLayout);
        setTitle(mTitle);
    }

    private class MyAppPackage {
        private ComponentName component;
        private String appName;
        private Drawable icon;

        MyAppPackage(ResolveInfo ri, PackageManager pm) {
            component = new ComponentName(ri.activityInfo.packageName,
                    ri.activityInfo.name);
            appName = ri.activityInfo.loadLabel(pm).toString();
            icon = ri.activityInfo.loadIcon(pm);
        }

        ComponentName getComponentName() {
            return component;
        }

        Drawable getIcon() {
            return icon;
        }

        String getName() {
            return appName;
        }
    }


}