/*
 * This is the source code of Telegram for Android v. 3.x.x.
 * It is licensed under GNU GPL v. 2 or later.
 * You should have received a copy of the license in this archive (see LICENSE).
 *
 * Copyright Nikolai Kudashov, 2013-2017.
 */

package org.telegram.ui;

import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.text.InputType;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;

import org.telegram.messenger.AndroidUtilities;
import org.telegram.messenger.LocaleController;
import org.telegram.messenger.ApplicationLoader;
import org.telegram.tgnet.ConnectionsManager;
import org.telegram.tgnet.RequestDelegate;
import org.telegram.tgnet.TLObject;
import org.telegram.tgnet.TLRPC;
import org.telegram.messenger.MessagesController;
import org.telegram.messenger.NotificationCenter;
import org.telegram.messenger.R;
import org.telegram.messenger.UserConfig;
import org.telegram.ui.ActionBar.ActionBar;
import org.telegram.ui.ActionBar.ActionBarMenu;
import org.telegram.ui.ActionBar.BaseFragment;
import org.telegram.ui.ActionBar.Theme;
import org.telegram.ui.ActionBar.ThemeDescription;
import org.telegram.ui.Components.LayoutHelper;

public class ChangeNameActivity extends BaseFragment {

    private EditText firstNameField;
    private EditText lastNameField;
    private View headerLabelView;
    private View doneButton;

    private final static int done_button = 1;

    @Override
    public View createView(Context context) {
        actionBar.setBackButtonImage(R.drawable.ic_ab_back);
        actionBar.setAllowOverlayTitle(true);
        actionBar.setTitle(LocaleController.getString("EditName", R.string.EditName));
        actionBar.setActionBarMenuOnItemClick(new ActionBar.ActionBarMenuOnItemClick() {
            @Override
            public void onItemClick(int id) {
                if (id == -1) {
                    finishFragment();
                } else if (id == done_button) {
                    if (firstNameField.getText().length() != 0) {
                        saveName();
                        finishFragment();
                    }
                }
            }
        });

        ActionBarMenu menu = actionBar.createMenu();
        doneButton = menu.addItemWithWidth(done_button, R.drawable.ic_done, AndroidUtilities.dp(56));

        TLRPC.User user = MessagesController.getInstance().getUser(UserConfig.getClientUserId());
        if (user == null) {
            user = UserConfig.getCurrentUser();
        }

        LinearLayout linearLayout = new LinearLayout(context);
        fragmentView = linearLayout;
        fragmentView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        ((LinearLayout) fragmentView).setOrientation(LinearLayout.VERTICAL);
        fragmentView.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                return true;
            }
        });

        firstNameField = new EditText(context);
        firstNameField.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 18);
        firstNameField.setHintTextColor(Theme.getColor(Theme.key_windowBackgroundWhiteHintText));
        firstNameField.setTextColor(Theme.getColor(Theme.key_windowBackgroundWhiteBlackText));
        firstNameField.setBackgroundDrawable(Theme.createEditTextDrawable(context, false));
        firstNameField.setMaxLines(1);
        firstNameField.setLines(1);
        firstNameField.setSingleLine(true);
        firstNameField.setGravity(LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT);
        firstNameField.setInputType(InputType.TYPE_TEXT_FLAG_CAP_SENTENCES | InputType.TYPE_TEXT_FLAG_AUTO_CORRECT);
        firstNameField.setImeOptions(EditorInfo.IME_ACTION_NEXT);
        firstNameField.setHint(LocaleController.getString("FirstName", R.string.FirstName));
        AndroidUtilities.clearCursorDrawable(firstNameField);
        linearLayout.addView(firstNameField, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, 36, 24, 24, 24, 0));
        firstNameField.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView textView, int i, KeyEvent keyEvent) {
                if (i == EditorInfo.IME_ACTION_NEXT) {
                    lastNameField.requestFocus();
                    lastNameField.setSelection(lastNameField.length());
                    return true;
                }
                return false;
            }
        });

        lastNameField = new EditText(context);
        lastNameField.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 18);
        lastNameField.setHintTextColor(Theme.getColor(Theme.key_windowBackgroundWhiteHintText));
        lastNameField.setTextColor(Theme.getColor(Theme.key_windowBackgroundWhiteBlackText));
        lastNameField.setBackgroundDrawable(Theme.createEditTextDrawable(context, false));
        lastNameField.setMaxLines(1);
        lastNameField.setLines(1);
        lastNameField.setSingleLine(true);
        lastNameField.setGravity(LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT);
        lastNameField.setInputType(InputType.TYPE_TEXT_FLAG_CAP_SENTENCES | InputType.TYPE_TEXT_FLAG_AUTO_CORRECT);
        lastNameField.setImeOptions(EditorInfo.IME_ACTION_DONE);
        lastNameField.setHint(LocaleController.getString("LastName", R.string.LastName));
        AndroidUtilities.clearCursorDrawable(lastNameField);
        linearLayout.addView(lastNameField, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, 36, 24, 16, 24, 0));
        lastNameField.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView textView, int i, KeyEvent keyEvent) {
                if (i == EditorInfo.IME_ACTION_DONE) {
                    doneButton.performClick();
                    return true;
                }
                return false;
            }
        });

        if (user != null) {
            firstNameField.setText(user.first_name);
            firstNameField.setSelection(firstNameField.length());
            lastNameField.setText(user.last_name);
        }

        return fragmentView;
    }

    @Override
    public void onResume() {
        super.onResume();
        SharedPreferences preferences = ApplicationLoader.applicationContext.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE);
        boolean animations = preferences.getBoolean("view_animations", true);
        if (!animations) {
            firstNameField.requestFocus();
            AndroidUtilities.showKeyboard(firstNameField);
        }
    }

    private void saveName() {
        TLRPC.User currentUser = UserConfig.getCurrentUser();
        if (currentUser == null || lastNameField.getText() == null || firstNameField.getText() == null) {
            return;
        }
        String newFirst = firstNameField.getText().toString();
        String newLast = lastNameField.getText().toString();
        if (currentUser.first_name != null && currentUser.first_name.equals(newFirst) && currentUser.last_name != null && currentUser.last_name.equals(newLast)) {
            return;
        }
        TLRPC.TL_account_updateProfile req = new TLRPC.TL_account_updateProfile();
        req.flags = 3;
        currentUser.first_name = req.first_name = newFirst;
        currentUser.last_name = req.last_name = newLast;
        TLRPC.User user = MessagesController.getInstance().getUser(UserConfig.getClientUserId());
        if (user != null) {
            user.first_name = req.first_name;
            user.last_name = req.last_name;
        }
        UserConfig.saveConfig(true);
        NotificationCenter.getInstance().postNotificationName(NotificationCenter.mainUserInfoChanged);
        NotificationCenter.getInstance().postNotificationName(NotificationCenter.updateInterfaces, MessagesController.UPDATE_MASK_NAME);
        ConnectionsManager.getInstance().sendRequest(req, new RequestDelegate() {
            @Override
            public void run(TLObject response, TLRPC.TL_error error) {

            }
        });
    }

    @Override
    public void onTransitionAnimationEnd(boolean isOpen, boolean backward) {
        if (isOpen) {
            AndroidUtilities.runOnUIThread(new Runnable() {
                @Override
                public void run() {
                    if (firstNameField != null) {
                        firstNameField.requestFocus();
                        AndroidUtilities.showKeyboard(firstNameField);
                    }
                }
            }, 100);
        }
    }

    @Override
    public ThemeDescription[] getThemeDescriptions() {
        return new ThemeDescription[]{
                new ThemeDescription(fragmentView, ThemeDescription.FLAG_BACKGROUND, null, null, null, null, Theme.key_windowBackgroundWhite),

                new ThemeDescription(actionBar, ThemeDescription.FLAG_BACKGROUND, null, null, null, null, Theme.key_actionBarDefault),
                new ThemeDescription(actionBar, ThemeDescription.FLAG_AB_ITEMSCOLOR, null, null, null, null, Theme.key_actionBarDefaultIcon),
                new ThemeDescription(actionBar, ThemeDescription.FLAG_AB_TITLECOLOR, null, null, null, null, Theme.key_actionBarDefaultTitle),
                new ThemeDescription(actionBar, ThemeDescription.FLAG_AB_SELECTORCOLOR, null, null, null, null, Theme.key_actionBarDefaultSelector),

                new ThemeDescription(firstNameField, ThemeDescription.FLAG_TEXTCOLOR, null, null, null, null, Theme.key_windowBackgroundWhiteBlackText),
                new ThemeDescription(firstNameField, ThemeDescription.FLAG_HINTTEXTCOLOR, null, null, null, null, Theme.key_windowBackgroundWhiteHintText),
                new ThemeDescription(firstNameField, ThemeDescription.FLAG_BACKGROUNDFILTER, null, null, null, null, Theme.key_windowBackgroundWhiteInputField),
                new ThemeDescription(firstNameField, ThemeDescription.FLAG_BACKGROUNDFILTER | ThemeDescription.FLAG_DRAWABLESELECTEDSTATE, null, null, null, null, Theme.key_windowBackgroundWhiteInputFieldActivated),
                new ThemeDescription(lastNameField, ThemeDescription.FLAG_TEXTCOLOR, null, null, null, null, Theme.key_windowBackgroundWhiteBlackText),
                new ThemeDescription(lastNameField, ThemeDescription.FLAG_HINTTEXTCOLOR, null, null, null, null, Theme.key_windowBackgroundWhiteHintText),
                new ThemeDescription(lastNameField, ThemeDescription.FLAG_BACKGROUNDFILTER, null, null, null, null, Theme.key_windowBackgroundWhiteInputField),
                new ThemeDescription(lastNameField, ThemeDescription.FLAG_BACKGROUNDFILTER | ThemeDescription.FLAG_DRAWABLESELECTEDSTATE, null, null, null, null, Theme.key_windowBackgroundWhiteInputFieldActivated),
        };
    }
}