package abeam.example.dddtext;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;







import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import DBUtils.DatabaseAdapter;


public class AdminOrderActivity extends Activity {
	Set<model.ViewHolder> greenselected= new HashSet<>();//存放已经选择的菜

	String[] greenname={"仙草奶茶","柠檬奶茶","朗姆奶茶","雪顶咖啡","梅梅奶茶"};
	String[] greenprice={"10.00","15.00","25.00","12.00","20.00"};
	int[] greenimgs=new int[]{R.drawable.i2,R.drawable.i2,R.drawable.i2,R.drawable.i2,R.drawable.i2};
	ListView listview;
	//生成动态数组，存放数据   
    ArrayList<HashMap<String, Object>> Memulist =
			new ArrayList<>();

    public static long orderId = 0L;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.listmenu);

       
        listview= findViewById(R.id.SelectedItem);
        getData();//调用mydata方法，将Memulist写入
        //新建一个适配器
        MyAdapter myadapter =new MyAdapter(this);
        //listview控件装载适配器
        listview.setAdapter(myadapter);
    }
  //getData方法的功能：将数据存放入Memulist
  	private void getData(){
  		for(int i=0;i<greenname.length;i++){
  			HashMap<String, Object> map = new HashMap<>();
              map.put("ItemName", greenname[i]);  
              map.put("ItemPrice", greenprice[i]);  
              map.put("ItemImage", greenimgs[i]);  
              Memulist.add(map);
  		}
  	}
  //编写特定的适配器类，必须继承已有的基本适配器类
  class MyAdapter extends BaseAdapter{

		DatabaseAdapter db = new DatabaseAdapter(getApplicationContext());
		private final LayoutInflater mInflater;//获得视图
		//与上下文 即当前的活动关联起来
		public MyAdapter(Context context){
		this.mInflater=LayoutInflater.from(context);
		}

		@Override
		public int getCount() {
		return Memulist.size();//size方法是干什么的
		}


		@Override
		public Object getItem(int arg0) {
			return null;
		}

		@Override
		public long getItemId(int position) {
			return 0;
		}

		@Override
		public View getView(final int position, View convertView, ViewGroup parent) {
			ViewHolder holder;//准备存放一行的四个控件
			if (convertView == null) {
				holder= new ViewHolder();
				//可以理解为从vlist获取view 之后把view返回给ListView
				convertView = mInflater.inflate(R.layout.menulist, null);
				holder.image = convertView.findViewById(R.id.imageView1);
				holder.name = convertView.findViewById(R.id.textView1);
				holder.price = convertView.findViewById(R.id.textView2);
				holder.viewBtn = convertView.findViewById(R.id.SelectOne);
				convertView.setTag(holder);
			}else {
				holder = (ViewHolder)convertView.getTag();
			}
				holder.image.setImageResource(greenimgs[position]);
				holder.name.setText((String)Memulist.get(position).get("ItemName"));
				holder.price.setText((String)Memulist.get(position).get("ItemPrice"));
				holder.viewBtn.setTag(position);
				//给Button添加单击事件 添加Button之后ListView将失去焦点
				//需要的直接把Button的焦点去掉  android:focusable="false"
				holder.viewBtn.setOnClickListener(v -> {
				//是否清除了已选择菜单
				if(ListActivity.selectedItemFlag){
					greenselected.clear();
				}
				ListActivity.selectedItemFlag = false;
				// 如果选择奶茶数量>1,则不可以
				if(!MainActivity.adminFlag && greenselected.size()>=1){
					Toast.makeText(AdminOrderActivity.this,R.string.SelectError,Toast.LENGTH_LONG).show();
				} else {
					model.ViewHolder newgreen = new model.ViewHolder();
					newgreen.name = Memulist.get(position).get("ItemName").toString();
					newgreen.price = Memulist.get(position).get("ItemPrice").toString();
					newgreen.image = greenimgs[position];
					greenselected.add(newgreen);//将选中的菜单序号存入set中
					Log.i("选中："+Memulist.get(position).get("ItemName").toString(),Memulist.get(position).get("ItemPrice").toString());

					//插入DB
					db.open();
					orderId = db.insertData(position,MainActivity.useridTemp,newgreen.name,newgreen.price,newgreen.image);
					Log.e("已插入项目：",newgreen.name);
					Log.e("已插入项目：",newgreen.price);
					Log.e("已插入项目：",String.valueOf(newgreen.image));
					db.close();
					//在日志中显示所有已经选中的菜
					for(model.ViewHolder it:greenselected){
						Log.i("已经选中的："+it.name,"该菜价格："+it.price);
					}
				}
				});

				return convertView;
		}

		}
		//内部类，与每一行数据对应
		static class ViewHolder{
			public ImageView image;//菜的图片
			public TextView name; //菜名
			public TextView price; //菜的单价
			public Button viewBtn; //+号按钮
		}

		public void toList (View theButton){
			Intent intent = new Intent(AdminOrderActivity.this,ListActivity.class);
			intent.putExtra("list",(Serializable)greenselected);
			startActivity(intent);

		}
}