package com.example.drink_order_system;

import static com.example.drink_order_system.Drinks.all_drinks;
import static com.example.drink_order_system.Restaurant.all_restaurant;

import android.app.AlertDialog;
import android.content.Context;
import android.os.Bundle;
import android.app.Fragment;
import android.util.Log;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Adapter;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.SearchView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.squareup.picasso.Picasso;

import java.io.IOException;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.HashSet;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class OrderFragment extends Fragment {
    Right_adapter rightAdapter;
    private ArrayList<Drinks> drinks_array = new ArrayList<Drinks>(); //可选的饮品列表
    private ArrayList<LeftBean> titles_array = new ArrayList<LeftBean>(); //饮品类别列表
    private RecyclerView right_listView; //右侧饮品列表
    private RecyclerView left_listView; //左侧类别列表
    private LinearLayoutManager right_llM;
    private TextView right_title;
    private SearchView searchView;
    private String restaurantName;

    private AlertDialog chooseDialog = null;
    private AlertDialog.Builder builder = null;
    private View view_choose;

    private Context mContext = this.getActivity();

    public OrderFragment() {
        // Required empty public constructor
    }
    public static OrderFragment newInstance(String restaurantName) {
        OrderFragment fragment = new OrderFragment();
        Bundle args = new Bundle();
        args.putString("restaurantName", restaurantName);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view = inflater.inflate(R.layout.fragment_order, container, false);
        SearchView mSearch = (SearchView) view.findViewById(R.id.my_search);
        int id = mSearch.getContext().getResources().getIdentifier("android:id/search_src_text", null, null);
        TextView text_search = (TextView) mSearch.findViewById(id);
        text_search.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14);
        if (getArguments() != null) {
            restaurantName = getArguments().getString("restaurantName");
        }

        right_title = (TextView) view.findViewById(R.id.Top_drinkType);

        right_listView = (RecyclerView) view.findViewById(R.id.rec_right);
        left_listView = (RecyclerView) view.findViewById(R.id.rec_left);
        searchView = (SearchView) view.findViewById(R.id.my_search);
        builder = new AlertDialog.Builder(this.getActivity());
        view_choose = inflater.inflate(R.layout.dialogue_choose, null, false);
        builder.setView(view_choose);
        builder.setCancelable(false);
        chooseDialog = builder.create();

        view_choose.findViewById(R.id.button_exit).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                chooseDialog.dismiss();
            }
        });

        view_choose.findViewById(R.id.button_buy).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                TextView drinkName = view_choose.findViewById(R.id.choose_drinkName);
                //写买进购物车的逻辑
                System.out.println("drinkName:" + String.valueOf(drinkName.getText()).split("  #")[0]);
                Drinks drink = new Drinks(Integer.parseInt(String.valueOf(drinkName.getText()).split("  #")[1]));
                TextView numberTV = (TextView) view_choose.findViewById(R.id.textView_drinkNumber);
                int number = Integer.parseInt((String) numberTV.getText());
                Ordered_drinks od = new Ordered_drinks(drink, number,restaurantName);
                chooseDialog.dismiss();
            }
        });

        view_choose.findViewById(R.id.button_subtract).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                TextView numberText = (TextView) view_choose.findViewById(R.id.textView_drinkNumber);
                int i = Integer.parseInt(String.valueOf(numberText.getText()));
                if (i > 1) {
                    i--;
                }
                numberText.setText(String.valueOf(i));
            }
        });

        view_choose.findViewById(R.id.button_add).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                TextView numberText = (TextView) view_choose.findViewById(R.id.textView_drinkNumber);
                int i = Integer.parseInt(String.valueOf(numberText.getText()));
                if (i < 100) {
                    i++;
                }
                numberText.setText(String.valueOf(i));
            }
        });


        right_llM = new LinearLayoutManager(this.getActivity());
        right_listView.setLayoutManager(right_llM);
        rightAdapter = new Right_adapter(inflater, drinks_array);
        right_listView.setAdapter(rightAdapter);
        initData();

        left_listView.setLayoutManager(new LinearLayoutManager(this.getActivity()));
        LeftAdapter leftAdapter = new LeftAdapter(titles_array);
        left_listView.setAdapter(leftAdapter);

        right_listView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                int firstItemPosition = right_llM.findFirstVisibleItemPosition();
                leftAdapter.setCurrentPosition(firstItemPosition);
                if (leftAdapter.getCurrentTitle() != "") {
                    right_title.setText(leftAdapter.getCurrentTitle());
                }
            }
        });


        leftAdapter.setOnItemClickListener(new LeftAdapter.OnItemClickListener() {
            @Override
            public void onItemClicked(int rightPosition) {
                if (right_llM != null) {
                    right_llM.scrollToPositionWithOffset(rightPosition, 0);
                }
            }
        });

        rightAdapter.buttonSetOnClick(new Right_adapter.MyClickListener() {
            @Override
            public void onclick(View v, int position) {
                chooseDialog.show();
                if (view_choose != null) {
                    Drinks drink = drinks_array.get(position);
                    ImageView img = view_choose.findViewById(R.id.choose_drink_img);
                    Picasso.get().load(drink.get_imagePath()).into(img);
                    TextView name = view_choose.findViewById(R.id.choose_drinkName);
                    name.setText(drink.get_name() + "  #" + (drink.get_number() + 1));
                    TextView intro = view_choose.findViewById(R.id.choose_drinkIntro);
                    intro.setText(drink.get_introduction());
                    TextView drink_number = view_choose.findViewById(R.id.textView_drinkNumber);
                    drink_number.setText("1");
                }
            }
        });


        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                return false;
            }

            @Override
            public boolean onQueryTextChange(String queryText) {
                for (int i = 0; i < drinks_array.size(); i++) {
                    if (drinks_array.get(i).get_name().contains(queryText)) {
                        if (right_llM != null) {
                            right_llM.scrollToPositionWithOffset(i, 0);
                            break;
                        }
                    }
                }
                return true;
            }
        });
        return view;
    }

    private void initData() {
        String url = "http://192.168.43.176:8080/warehouse_management_system_war_exploded/getGoods";
        Log.i("restaurantName",restaurantName);
        OkHttpClient client = new OkHttpClient();
        Request request = new Request.Builder()
                .url(url+"?Sname="+restaurantName)
                .build();
        Log.i("url",url+"?Sname="+restaurantName);
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                e.printStackTrace();
                Log.i("onFailure","onFailure");
                // 处理请求失败
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (response.isSuccessful()) {

                    String responseData = response.body().string();
                    getActivity().runOnUiThread(() -> {
                        Log.i("isSuccessful","isSuccessful");

                        Log.i("responseData",responseData);
                        Gson gson = new Gson();
                        Type DrinksListType = new TypeToken<ArrayList<Drinks>>() {}.getType();
                        ArrayList<Drinks> drinks = gson.fromJson(responseData, DrinksListType);
                        // 对饮品列表进行排序，先非主食后主食
                        ArrayList<Drinks> mainDishArray = new ArrayList<>();
                        ArrayList<Drinks> nonMainDishArray = new ArrayList<>();
                        for (Drinks drink : drinks) {
                            if ("主食".equals(drink.get_type())) {
                                mainDishArray.add(drink);
                            } else {
                                nonMainDishArray.add(drink);
                            }
                        }
                        nonMainDishArray.addAll(mainDishArray);
                        drinks_array.clear();
                        drinks_array.addAll(nonMainDishArray);
                        all_drinks.clear();
                        all_drinks.addAll(nonMainDishArray);  // 更新为排序后的饮品列表
                        rightAdapter.notifyDataSetChanged();
                        Log.i("drinks_array",String.valueOf(drinks_array.size()));
                        HashSet<String> titleSet = new HashSet<>();  // 用于检查标题是否已经存在
                        for (int i = 0; i < drinks_array.size(); i++) {
                            Drinks temp = drinks_array.get(i);
                            if (temp.get_type() != null && !titleSet.contains(temp.get_type())) {
                                titles_array.add(new LeftBean(i, temp.get_type()));
                                titleSet.add(temp.get_type());  // 将标题添加到集合中
                            }
                        }
                    //    titles_array.get(0).setSelect(true);
                    });
                } else {
                    // 处理请求失败
                }
            }
        });




    }
}