package com.example.citrusclient.views;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.example.citrusclient.Citrus;
import com.example.citrusclient.R;
import com.example.citrusclient.models.Book;
import com.example.citrusclient.viewmodels.PublicBooksViewModel;

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

/**
 * A simple {@link Fragment} subclass.
 * Use the {@link SearchFragment#newInstance} factory method to
 * create an instance of this fragment.
 */
public class SearchFragment extends Fragment {

    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    public SearchFragment() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment SearchFragment.
     */
    // TODO: Rename and change types and number of parameters
    public static SearchFragment newInstance(String param1, String param2) {
        SearchFragment fragment = new SearchFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    private ArrayList publicList;
    private ArrayList name;
    PublicBooksViewModel publicBooksViewModel;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }

        publicBooksViewModel = new ViewModelProvider(this).get(PublicBooksViewModel.class);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_search, container, false);
    }

    public void onViewCreated(@NonNull View view, @NonNull Bundle saveInstanceState){
        super.onViewCreated(view, saveInstanceState);
//        LinearLayout layout = new LinearLayout(requireContext());

//        Citrus citrus = (Citrus)(getActivity().getApplication());
        publicList = new ArrayList<>();
        name = new ArrayList<>();

        RecyclerView recyclerView = view.findViewById(R.id.public_list);
        recyclerView.setHasFixedSize(true);
        recyclerView.setLayoutManager(new LinearLayoutManager(view.getContext()));
        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(view.getContext());
        recyclerView.setLayoutManager(layoutManager);
        PublicAdapter publicAdapter = new PublicAdapter(name, publicList, getActivity());
        recyclerView.setAdapter(publicAdapter);
        publicBooksViewModel.getAllBooksLiveData().observe(getViewLifecycleOwner(), new Observer<ArrayList<Book>>() {
            @Override
            public void onChanged(ArrayList<Book> books) {
                if(books != null){
                    for(int i = 0; i < books.size(); i++){
                        name.add(books.get(i).getAccountId());
                    }
                    publicList = new ArrayList<>(books);
                }else{
                    publicList = new ArrayList<>();
                }
                publicAdapter.setBooks(publicList);
                System.out.println(name);
            }
        });
        publicBooksViewModel.loadAllBooks();
    }
}

class PublicAdapter extends RecyclerView.Adapter<PublicAdapter.PublicViewHolder>{

    private List<Book> publicList;
    private List accountIdList;
    private Context context;

    PublicAdapter(List id, List<Book> publics, Context context){
        this.accountIdList = id;
        this.publicList = publics;
        this.context = context;
    }

    public void setBooks(List<Book> publics){
        publicList = publics;
        notifyDataSetChanged();
    }

    @NonNull
    @Override
    public PublicViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.a_public_book, parent, false);
        return new PublicViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull PublicAdapter.PublicViewHolder holder, int position) {
            holder.idText.setText(accountIdList.get(position).toString());
            holder.idText.setHeight(30);
            holder.idText.setWidth(100);
            Book publicData = this.publicList.get(position);
            holder.publicButton.setText(publicData.getTitle());
            int red;
            int green;
            int blue;
            if (publicData.getColor() == null) {
                red = 255;
                green = 255;
                blue = 255;
            } else if (publicData.getColor().length() < 7) {
                red = 255;
                green = 255;
                blue = 255;
            } else {
                red = Integer.parseInt(publicData.getColor().substring(1, 3), 16);
                green = Integer.parseInt(publicData.getColor().substring(3, 5), 16);
                blue = Integer.parseInt(publicData.getColor().substring(5, 7), 16);
            }

            holder.publicButton.setBackgroundColor(Color.rgb(red, green, blue));
            holder.publicButton.setTextColor(Color.rgb(255 - red, 255 - green, 255 - blue));
        holder.publicButton.setOnClickListener(v -> {
            Calendar c = Calendar.getInstance();
            Activity activity = (Activity) context;
            Citrus citrus = (Citrus) activity.getApplication();
            citrus.setCurYear(c.get(Calendar.YEAR));
            citrus.setCurMonth(c.get(Calendar.MONTH) + 1);
            citrus.setCurDay(c.get(Calendar.DATE));
            citrus.setCurBookId(publicData.getBookId());
            ((MainActivity) activity).showFragment(new HomeFragment());

        });

    }

    @Override
    public int getItemCount() {
        return publicList.size();
    }

    static class PublicViewHolder extends RecyclerView.ViewHolder{
        Button publicButton;
        TextView idText;
        public PublicViewHolder(@NonNull View itemView){

            super(itemView);
            publicButton = itemView.findViewById(R.id.public_button);
            idText = itemView.findViewById(R.id.public_id);
        }
    }
}


/*recyclerviewの中にrecyclerviewを入れよう(縦スクに横スクをいれる感じ)
linearlayoutを縦にいれる

 */