/*
 * LEDD Project
 * Copyright (C) 2015 LEDD Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.idlegandalf.ledd.fragments;

import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TextInputLayout;
import android.support.v7.app.AlertDialog;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;

import com.google.gson.Gson;
import com.idlegandalf.ledd.ColorApplication;
import com.idlegandalf.ledd.R;
import com.idlegandalf.ledd.callbacks.AddControllerCallback;
import com.idlegandalf.ledd.components.Controller;
import com.idlegandalf.ledd.components.LedDDaemon;
import com.idlegandalf.ledd.helper.LedDHelper;

import org.json.JSONException;

import java.io.IOException;
import java.text.NumberFormat;
import java.text.ParsePosition;

import butterknife.Bind;
import butterknife.ButterKnife;

public class AddControllerDialog extends DialogFragment implements DialogInterface.OnShowListener {

    @Bind(R.id.input_i2c_layout)
    TextInputLayout i2cLayout;
    @Bind(R.id.input_i2c)
    EditText i2cText;
    @Bind(R.id.input_address_layout)
    TextInputLayout addressLayout;
    @Bind(R.id.input_address)
    EditText addressText;
    @Bind(R.id.input_channel_layout)
    TextInputLayout channelLayout;
    @Bind(R.id.input_channel)
    EditText channelText;
    LedDDaemon dDaemon;

    public Dialog onCreateDialog(Bundle savedInstanceState) {
        View v = View.inflate(getActivity(), R.layout.fragment_addcontroller, null);
        ButterKnife.bind(this, v);

        dDaemon = new Gson().fromJson(getArguments().getString("daemon"), LedDDaemon.class);

        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        builder.setView(v).setPositiveButton("Add", null).setNegativeButton("Cancel", null);

        AlertDialog dialog = builder.create();

        dialog.setOnShowListener(this);

        return dialog;
    }

    @Override
    public void onShow(final DialogInterface dialog) {

        final AlertDialog alertDialog = (AlertDialog) dialog;

        addressText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                addressLayout.setError(null);
            }
        });

        channelText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                channelLayout.setError(null);
            }
        });

        i2cText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                i2cLayout.setError(null);
            }
        });

        alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AddStripeDialog.instance.onResume();
                alertDialog.dismiss();
            }
        });

        alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (i2cText.getText().toString().isEmpty() || !isNumeric(i2cText.getText().toString())) {
                    i2cLayout.setError("No valid i2c device number");
                    return;
                }

                if (!addressText.getText().toString().contains("0x") || !addressText.getText().toString().split("x")[1].matches("-?[0-9a-fA-F]+")) {
                    addressLayout.setError("No valid hexdecimal address");
                    return;
                }

                if (channelText.getText().toString().isEmpty() || !isNumeric(channelText.getText().toString()) && Integer.parseInt(channelText
                        .getText().toString()) <= 0) {
                    channelLayout.setError("No valid channel amount");
                    return;
                }

                Controller c = new Controller();
                c.setAddress(addressText.getText().toString());
                c.setI2c_device(Integer.parseInt(i2cText.getText().toString()));
                c.setChannels(Integer.parseInt(channelText.getText().toString()));

                LedDHelper helper = null;
                try {
                    helper = ColorApplication.getInstance().getHelperForDaemon(dDaemon);
                } catch (IOException e) {
                    e.printStackTrace();
                }

                if (helper != null) {
                    try {
                        helper.addController(c, new AddControllerCallback() {
                            @Override
                            public void onControllerAdded(final Controller controller) {
                                getActivity().runOnUiThread(new Runnable() {
                                    @Override
                                    public void run() {
                                        Snackbar.make(((ViewGroup) getActivity().getWindow().getDecorView().findViewById(android.R.id.content))
                                                .getChildAt(0), "Added Controller (" + controller.getId() + ")", Snackbar.LENGTH_LONG).show();
                                    }
                                });

                                dDaemon.getControllers().add(controller);
                                dismiss();
                            }

                            @Override
                            public void onAddFailed(final String msg, String detail) {
                                getActivity().runOnUiThread(new Runnable() {
                                    @Override
                                    public void run() {
                                        Snackbar.make(((ViewGroup) getActivity().getWindow().getDecorView().findViewById(android.R.id.content))
                                                .getChildAt(0), "Error: " + msg, Snackbar.LENGTH_LONG).show();
                                    }
                                });
                                AddStripeDialog.instance.onResume();
                                dismiss();
                            }

                            @Override
                            public void onConnectionFailed(final String message) {
                                getActivity().runOnUiThread(new Runnable() {
                                    @Override
                                    public void run() {
                                        Snackbar.make(((ViewGroup) getActivity().getWindow().getDecorView().findViewById(android.R.id.content))
                                                .getChildAt(0), "Coudn't connect to" +
                                                " daemon at " + dDaemon + ": " + message, Snackbar.LENGTH_LONG).show();
                                    }
                                });
                                AddStripeDialog.instance.onResume();
                                dismiss();
                            }
                        });
                    } catch (JSONException | IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }

    private static boolean isNumeric(String str) {
        NumberFormat formatter = NumberFormat.getInstance();
        ParsePosition pos = new ParsePosition(0);
        formatter.parse(str, pos);
        return str.length() == pos.getIndex();
    }
}