package com.example.agvcontroller;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.example.agvcontroller.socket.SocketManager;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;

public class StartActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private List<AGVCar> items;
    private ItemAdapter adapter;
    private Button addItem;
    private SharedPreferences sharedPreferences;
    SocketManager socketManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_start);

        addItem = findViewById(R.id.addbtn);
        addItem.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(StartActivity.this, EditeActivity.class);
                startActivity(intent);
            }
        });


        sharedPreferences = getSharedPreferences("AGVControllerPrefs", MODE_PRIVATE);

        // Load items from SharedPreferences
        items = loadItemsFromSharedPreferences();


//        items = new ArrayList<>();
        recyclerView = findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        adapter = new ItemAdapter(items);
        recyclerView.setAdapter(adapter);

        EventBus.getDefault().register(this);

        adapter.setmOnItemClickListener(new ItemAdapter.OnItemClickListener() {

            @Override
            public void onItemClick(View view, int position) {
                Context context = view.getContext();
                Intent intent = new Intent(context,MainActivity.class);
                AGVCar item = items.get(position);
//                String ip = items.get(position).getIp();
//                String clientId = items.get(position).getClientId();
//                String agvNo = items.get(position).getAgvNo();


//                intent.putExtra("ip", ip);
//                intent.putExtra("agvNo", agvNo);
//                intent.putExtra("clientId", clientId);
                intent.putExtra("item", item);
                startActivityForResult(intent,1);
            }
        });
        socketManager = new SocketManager();
        socketManager.startServer(8022);
    }

    private List<AGVCar> loadItemsFromSharedPreferences() {
        Gson gson = new Gson();
        String json = sharedPreferences.getString("items", null);
        Log.i("SharedPreferences", "Loading items from shared preferences: " + json);
        if (json != null) {
            Type type = new TypeToken<List<AGVCar>>(){}.getType();
            return gson.fromJson(json, type);
        }
        return new ArrayList<>();
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onDeviceConnected(AGVCar car) {
        Log.i("EventBus", "Received device connected: " + car);


        if (!items.isEmpty()) {
            int sameIp = 0;
            for (AGVCar item : items) {
                if (item.getIp().equals(car.getIp())) {
                    item.setAgvNo(car.getAgvNo().isEmpty() ? car.getAgvNo() : item.getAgvNo());
                    item.setPort(car.getPort());
                    item.setClientId(car.getClientId());
                    item.setStatus(car.getStatus());
                    item.setBattery(car.getBattery() != 0  ? car.getBattery() : item.getBattery());
                    adapter.notifyItemChanged(items.indexOf(item));
                    MainActivity.upClient(car);
                    sameIp++;
                }
                Log.i("Item",item.getIp());
                Log.i("Item",item.getClientId());
            }
            if (sameIp == 0) {
                items.add(car);
            }
        } else {
            items.add(car);
        }
        adapter.notifyDataSetChanged();
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onDeviceDisconnected(String deviceIp) {
        Log.i("EventBus", "Received device disconnected: " + deviceIp);
        for (int i = 0; i < items.size(); i++) {
            if (items.get(i).getIp().equals(deviceIp)) {
                items.remove(i);
                break;
            }
        }
        adapter.notifyDataSetChanged();
    }
}