package net.jacekk.bridge.android;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.ToggleButton;

import net.jacekk.bridge.BridgeCompute;
import net.jacekk.bridge.BridgeInput;
import net.jacekk.bridge.BridgeInputException;
import net.jacekk.bridge.BridgeResult;
import net.jacekk.bridge.R;

public class MainActivity extends Activity {
    private SeekBar BidSlider;
    private TextView BidText;

    private ToggleButton MinorSuitsToggle;
    private ToggleButton MajorSuitsToggle;
    private ToggleButton NoTrumpToggle;

    private ToggleButton ContractToggle;
    private ToggleButton DoubleToggle;
    private ToggleButton RedoubleToggle;

    private ToggleButton NNToggle;
    private ToggleButton NVToggle;
    private ToggleButton VNToggle;
    private ToggleButton VVToggle;

    private EditText PCInput;
    private EditText TricksInput;

    private TextView ResultsText;

    public BridgeCompute bridgeCompute;

    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        InitializeApp();
    }

    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return super.onCreateOptionsMenu(menu);
    }

    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.main_action_about:
                Intent about = new Intent(getApplicationContext(), AboutActivity.class);
                startActivity(about);
                return true;
            case R.id.main_action_reset:
                resetInputs();
                return true;
        }

        return super.onOptionsItemSelected(item);
    }

    private void resetInputs() {
        BidSlider.setProgress(0);
        MinorSuitsToggle.setChecked(true);
        ContractToggle.setChecked(true);
        NNToggle.setChecked(true);
        PCInput.setText("");
        TricksInput.setText("");
        ResultsText.setText(getString(R.string.enter_data));
    }

    protected void InitializeApp() {
        bridgeCompute = new BridgeCompute();

        BidSlider = (SeekBar) findViewById(R.id.BidSlider);
        BidText = (TextView) findViewById(R.id.BidText);

        MinorSuitsToggle = (ToggleButton) findViewById(R.id.MinorSuitsToggle);
        MajorSuitsToggle = (ToggleButton) findViewById(R.id.MajorSuitsToggle);
        NoTrumpToggle = (ToggleButton) findViewById(R.id.NoTrumpToggle);

        ContractToggle = (ToggleButton) findViewById(R.id.ContractToggle);
        DoubleToggle = (ToggleButton) findViewById(R.id.DoubleToggle);
        RedoubleToggle = (ToggleButton) findViewById(R.id.RedoubleToggle);

        NNToggle = (ToggleButton) findViewById(R.id.NNToggle);
        NVToggle = (ToggleButton) findViewById(R.id.NVToggle);
        VNToggle = (ToggleButton) findViewById(R.id.VNToggle);
        VVToggle = (ToggleButton) findViewById(R.id.VVToggle);

        PCInput = (EditText) findViewById(R.id.PCInput);
        TricksInput = (EditText) findViewById(R.id.TricksInput);

        ResultsText = (TextView) findViewById(R.id.ResultsText);

        CompoundButton.OnCheckedChangeListener changeListener;

        BidSlider.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
                BidText.setText(Integer.toString(seekBar.getProgress()));
                updateResults();
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
            }
        });

        changeListener = new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton button, boolean isChecked) {
                if (!isChecked) {
                    if (!MinorSuitsToggle.isChecked() && !MajorSuitsToggle.isChecked()
                            && !NoTrumpToggle.isChecked()) {
                        MinorSuitsToggle.setChecked(true);
                    }
                    return;
                }

                if (!button.equals(MinorSuitsToggle))
                    MinorSuitsToggle.setChecked(false);
                if (!button.equals(MajorSuitsToggle))
                    MajorSuitsToggle.setChecked(false);
                if (!button.equals(NoTrumpToggle))
                    NoTrumpToggle.setChecked(false);

                updateResults();
            }
        };

        MinorSuitsToggle.setOnCheckedChangeListener(changeListener);
        MajorSuitsToggle.setOnCheckedChangeListener(changeListener);
        NoTrumpToggle.setOnCheckedChangeListener(changeListener);

        changeListener = new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton button, boolean isChecked) {
                if (!isChecked) {
                    if (!ContractToggle.isChecked() && !DoubleToggle.isChecked()
                            && !RedoubleToggle.isChecked()) {
                        ContractToggle.setChecked(true);
                    }
                    return;
                }

                if (!button.equals(ContractToggle))
                    ContractToggle.setChecked(false);
                if (!button.equals(DoubleToggle))
                    DoubleToggle.setChecked(false);
                if (!button.equals(RedoubleToggle))
                    RedoubleToggle.setChecked(false);

                updateResults();
            }
        };

        ContractToggle.setOnCheckedChangeListener(changeListener);
        DoubleToggle.setOnCheckedChangeListener(changeListener);
        RedoubleToggle.setOnCheckedChangeListener(changeListener);

        changeListener = new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton button, boolean isChecked) {
                if (!isChecked) {
                    if (!VVToggle.isChecked() && !VNToggle.isChecked()
                            && !NVToggle.isChecked() && !NNToggle.isChecked()) {
                        NNToggle.setChecked(true);
                    }
                    return;
                }

                if (!button.equals(NNToggle))
                    NNToggle.setChecked(false);
                if (!button.equals(NVToggle))
                    NVToggle.setChecked(false);
                if (!button.equals(VNToggle))
                    VNToggle.setChecked(false);
                if (!button.equals(VVToggle))
                    VVToggle.setChecked(false);

                updateResults();
            }
        };

        VVToggle.setOnCheckedChangeListener(changeListener);
        VNToggle.setOnCheckedChangeListener(changeListener);
        NVToggle.setOnCheckedChangeListener(changeListener);
        NNToggle.setOnCheckedChangeListener(changeListener);

        TextWatcher textWatcher = new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
            }

            @Override
            public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
            }

            @Override
            public void afterTextChanged(Editable editable) {
                updateResults();
            }
        };

        PCInput.addTextChangedListener(textWatcher);
        TricksInput.addTextChangedListener(textWatcher);
    }

    public void updateResults() {
        BridgeInput input = getBridgeInput();

        BridgeResult result;
        try {
            result = bridgeCompute.getResultForInput(input);
        } catch (BridgeInputException e) {
            int errorStringId = BridgeInputExceptionMapper.map(e);
            ResultsText.setText(getString(errorStringId));
            return;
        }

        ResultsText.setText(
                (result.winners == BridgeResult.Side.We ? getString(R.string.result_for_us)
                        : getString(R.string.result_for_them)) +
                        "\n" + getString(R.string.result_pts_wo_pc) + " " + result.pointsBefore +
                        "\n" + getString(R.string.result_pts) + " " + result.points +
                        "\n" + getString(R.string.result_imps) + " " + result.IMPs +
                        "\n" + getString(R.string.result_percent) + " " + result.percent);
    }

    private BridgeInput getBridgeInput() {
        int bid = BidSlider.getProgress();

        int color = 0;
        if (MajorSuitsToggle.isChecked())
            color = 1;
        if (NoTrumpToggle.isChecked())
            color = 2;

        int dbl = 0;
        if (DoubleToggle.isChecked())
            dbl = 1;
        if (RedoubleToggle.isChecked())
            dbl = 2;

        int vulnerability = 0;
        if (NVToggle.isChecked())
            vulnerability = 1;
        if (VNToggle.isChecked())
            vulnerability = 2;
        if (VVToggle.isChecked())
            vulnerability = 3;

        int PC = -1;
        try {
            PC = Integer.parseInt(PCInput.getText().toString());
        } catch (NumberFormatException ignored) {
        }

        int tricks = -1;
        try {
            tricks = Integer.parseInt(TricksInput.getText().toString());
        } catch (NumberFormatException ignored) {
        }

        BridgeInput input = new BridgeInput();
        input.bid = bid;
        input.suit = BridgeInput.Suit.values()[color];
        input.contract = BridgeInput.Contract.values()[dbl];
        input.weVulnerable = vulnerability / 2 >= 1;
        input.theyVulnerable = vulnerability % 2 >= 1;
        input.PC = PC;
        input.tricks = tricks;
        return input;
    }
}