package it.unisannio.ding.ids.wedroid.app.view;

import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;

import org.jetbrains.annotations.NotNull;

import java.util.ArrayList;
import java.util.Objects;

import it.unisannio.ding.ids.wedroid.app.R;
import it.unisannio.ding.ids.wedroid.app.util.ServicesFactory;
import it.unisannio.ding.ids.wedroid.app.util.SharedPreferenceHelper;
import it.unisannio.ding.ids.wedroid.wrapper.entity.Board;
import it.unisannio.ding.ids.wedroid.wrapper.entity.User;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class BoardViewActivity extends AppCompatActivity {

    static final int WLISTS_REQUEST = 30;

    private String idBoard, username, boardTitle;
    private int boardColor;
    private TextView description, members, permission, creationDate, lastModificationDate;
    private View divider1, divider2, divider3;
    private ListView listView;
    private Button getListsButton;
    private SharedPreferenceHelper sp;
    private ServicesFactory service;
    private Toolbar myToolbar;
    private Board board;
    private SwipeRefreshLayout swipeRefreshLayout;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_board_view);

        findViews();

        setSupportActionBar(myToolbar);

        swipeRefreshLayout.setRefreshing(false);

        Intent i = getIntent();
        idBoard = i.getStringExtra("idBoard");

        sp = new SharedPreferenceHelper(this);
        sp.setBoardId(idBoard);

        initializeUI(idBoard);

        getListsButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent i = new Intent(getApplicationContext(), WListsListActivity.class);
                i.putExtra("idBoard", idBoard);
                i.putExtra("barTitle", boardTitle);
                i.putExtra("barColor", boardColor);
                startActivityForResult(i, WLISTS_REQUEST);
            }
        });

        swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                initializeUI(idBoard);
                swipeRefreshLayout.setRefreshing(false);
            }
        });
    }

    private void findViews() {
        myToolbar = findViewById(R.id.my_toolbar);
        getListsButton = findViewById(R.id.getLists);
        description = findViewById(R.id.descriptionTxt);
        members = findViewById(R.id.membersTxt);
        permission = findViewById(R.id.permissionTxt);
        creationDate = findViewById(R.id.createdDate);
        lastModificationDate = findViewById(R.id.modifiedDate);
        divider1 = findViewById(R.id.divider1);
        divider2 = findViewById(R.id.divider2);
        divider3 = findViewById(R.id.divider3);
        listView = findViewById(R.id.listViewID);
        swipeRefreshLayout = findViewById(R.id.pullToRefresh);
    }

    private void initializeUI(String idBoard) {
        service = new ServicesFactory(sp);
        service.getBoardService().getBoard(idBoard).enqueue(new Callback<Board>() {
            @Override
            public void onResponse(@NotNull Call<Board> call, @NotNull Response<Board> response) {
                assert response.body() != null;
                board = response.body();
                if (board.getId() == null) {
                    Toast.makeText(
                            getApplicationContext(),
                            getApplicationContext().getString(R.string.board_deleted),
                            Toast.LENGTH_LONG)
                            .show();
                    getListsButton.setEnabled(false);
                } else {
                    Objects.requireNonNull(getSupportActionBar()).setTitle(board.getTitle());
                    myToolbar.setBackgroundColor(Color.parseColor(encodeColor(
                            board.getBackgroundColor().toString())));

                    boardTitle = board.getTitle();

                    boardColor = Color.parseColor(encodeColor(
                            board.getBackgroundColor().toString()));

                    Drawable background = getListsButton.getBackground();
                    background.setTint(boardColor);
                    getListsButton.setBackgroundDrawable(background);

                    description.setText(board.getDescription());
                    permission.setText(board.getPermission().toString());
                    members.setText("");
                    for (int i = 0; i < board.getMembers().size(); i++) {
                        replaceIDUserToUsername(board.getMembers().get(i).getUserId());
                    }

                    creationDate.setText(R.string.created_at);
                    creationDate.append("\n"
                            + board.getCreatedAt());
                    lastModificationDate.setText(R.string.modified_at);
                    lastModificationDate.append("\n"
                            + board.getModifiedAt());

                    divider1.setBackgroundColor(boardColor);
                    divider2.setBackgroundColor(boardColor);
                    divider3.setBackgroundColor(boardColor);

                    ArrayList<String> labelsTitle = new ArrayList<>();
                    for (int i = 0; i < board.getLabels().size(); i++) {
                        labelsTitle.add(board.getLabels().get(i).getName());
                    }
                    ArrayAdapter<String> adapter = new ArrayAdapter<>(getApplicationContext(),
                            android.R.layout.simple_list_item_1, labelsTitle);
                    listView.setAdapter(adapter);
                    getListsButton.setEnabled(true);
                }
            }

            @Override
            public void onFailure(@NotNull Call<Board> call, @NotNull Throwable t) {
                Toast.makeText(getApplicationContext(),
                        "connection error",
                        Toast.LENGTH_LONG).show();
                getListsButton.setEnabled(false);
            }
        });
    }

    private String encodeColor(String color) {
        String encodedColor;
        if (color.equalsIgnoreCase("belize")) {
            encodedColor = "#2980B9";
        } else if (color.equalsIgnoreCase("nephritis")) {
            encodedColor = "#27AE60";
        } else if (color.equalsIgnoreCase("pomegranate")) {
            encodedColor = "#C0392B";
        } else if (color.equalsIgnoreCase("pumpkin")) {
            encodedColor = "#E67E22";
        } else if (color.equalsIgnoreCase("wisteria")) {
            encodedColor = "#8E44AD";
        } else if (color.equalsIgnoreCase("moderatepink")) {
            encodedColor = "#CD5A91";
        } else if (color.equalsIgnoreCase("strongcyan")) {
            encodedColor = "#00AECC";
        } else if (color.equalsIgnoreCase("dark")) {
            encodedColor = "#2C3E51";
        } else if (color.equalsIgnoreCase("midnight")) {
            encodedColor = "#2C3E50";
        } else if (color.equalsIgnoreCase("relax")) {
            encodedColor = "#27AE61";
        } else if (color.equalsIgnoreCase("corteza")) {
            encodedColor = "#568BA2";
        } else
            encodedColor = "#38DF87";

        return encodedColor;
    }

    private void replaceIDUserToUsername(String idUser) {
        service = new ServicesFactory(sp);
        service.getUserService().getUser(idUser).enqueue(new Callback<User>() {
            @Override
            public void onResponse(@NotNull Call<User> call, @NotNull Response<User> response) {
                User u = response.body();
                assert u != null;
                username = u.getUsername();
                if (u.isAdmin()) {
                    members.append("Admin:  " + username + ";\n");
                } else
                    members.append("Other member:  " + username + ";\n");
            }

            @Override
            public void onFailure(@NotNull Call<User> call, @NotNull Throwable t) {
                //TODO
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == WLISTS_REQUEST) {
            if (resultCode != WListsListActivity.RESULT_OK) {
                Toast.makeText(this, "It's not possible view the lists",
                        Toast.LENGTH_LONG).show();
            }
        }
    }
}