/*
 * 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.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Vibrator;
import android.text.Editable;
import android.text.InputFilter;
import android.text.InputType;
import android.text.TextWatcher;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.LinearLayout;

import org.telegram.messenger.AndroidUtilities;
import org.telegram.messenger.FileLog;
import org.telegram.messenger.LocaleController;
import org.telegram.messenger.ApplicationLoader;
import org.telegram.messenger.NotificationCenter;
import org.telegram.messenger.UserConfig;
import org.telegram.tgnet.TLRPC;
import org.telegram.messenger.MessagesController;
import org.telegram.messenger.R;
import org.telegram.ui.ActionBar.ActionBar;
import org.telegram.ui.ActionBar.ActionBarMenu;
import org.telegram.ui.ActionBar.AlertDialog;
import org.telegram.ui.ActionBar.BaseFragment;
import org.telegram.ui.ActionBar.Theme;
import org.telegram.ui.Cells.ShadowSectionCell;
import org.telegram.ui.Cells.TextInfoPrivacyCell;
import org.telegram.ui.Cells.TextSettingsCell;
import org.telegram.ui.Components.AvatarDrawable;
import org.telegram.ui.Components.AvatarUpdater;
import org.telegram.ui.Components.BackupImageView;
import org.telegram.ui.Components.LayoutHelper;

public class ChangeChatNameActivity extends BaseFragment implements AvatarUpdater.AvatarUpdaterDelegate {

    private EditText nameTextView;
    private BackupImageView avatarImage;
    private AvatarDrawable avatarDrawable;
    private AvatarUpdater avatarUpdater;
    private View headerLabelView;
    private TLRPC.InputFile uploadedAvatar;
    private AlertDialog progressDialog;
    private int chatId;
    private View doneButton;
    private TLRPC.FileLocation avatar;
    private boolean createAfterUpload;
    private boolean donePressed;
    private TLRPC.Chat currentChat;

    private final static int done_button = 1;

    public ChangeChatNameActivity(Bundle args) {
        super(args);
    }

    @Override
    public boolean onFragmentCreate() {
        super.onFragmentCreate();
        avatarDrawable = new AvatarDrawable();
        chatId = getArguments().getInt("chat_id", 0);
        avatarUpdater = new AvatarUpdater();
        avatarUpdater.parentFragment = this;
        avatarUpdater.delegate = this;
        return true;
    }

    @Override
    public View createView(Context context) {
        actionBar.setBackButtonImage(R.drawable.ic_ab_back);
        actionBar.setAllowOverlayTitle(true);
        actionBar.setTitle(LocaleController.getString("ChannelEdit", R.string.ChannelEdit));
        actionBar.setActionBarMenuOnItemClick(new ActionBar.ActionBarMenuOnItemClick() {
            @Override
            public void onItemClick(int id) {
                if (id == -1) {
                    finishFragment();
                } else if (id == done_button) {
                    if (donePressed) {
                        return;
                    }
                    if (nameTextView.length() == 0) {
                        Vibrator v = (Vibrator) getParentActivity().getSystemService(Context.VIBRATOR_SERVICE);
                        if (v != null) {
                            v.vibrate(200);
                        }
                        AndroidUtilities.shakeView(nameTextView, 2, 0);
                        return;
                    }
                    donePressed = true;

                    if (avatarUpdater.uploadingAvatar != null) {
                        createAfterUpload = true;
                        progressDialog = new AlertDialog(getParentActivity(), 1);
                        progressDialog.setMessage(LocaleController.getString("Loading", R.string.Loading));
                        progressDialog.setCanceledOnTouchOutside(false);
                        progressDialog.setCancelable(false);
                        progressDialog.setButton(DialogInterface.BUTTON_NEGATIVE, LocaleController.getString("Cancel", R.string.Cancel), new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                createAfterUpload = false;
                                progressDialog = null;
                                donePressed = false;
                                try {
                                    dialog.dismiss();
                                } catch (Exception e) {
                                    FileLog.e(e);
                                }
                            }
                        });
                        progressDialog.show();
                        return;
                    }
                    if (uploadedAvatar != null) {
                        MessagesController.getInstance().changeChatAvatar(chatId, uploadedAvatar);
                    } else if (avatar == null && currentChat.photo instanceof TLRPC.TL_chatPhoto) {
                        MessagesController.getInstance().changeChatAvatar(chatId, null);
                    }
                    finishFragment();

                    if (nameTextView.getText().length() != 0) {
                        saveName();
                        finishFragment();
                    }
                }
            }
        });

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

        currentChat = MessagesController.getInstance().getChat(chatId);

        LinearLayout linearLayout = new LinearLayout(context);
        fragmentView = linearLayout;
        fragmentView.setBackgroundColor(Theme.getColor(Theme.key_windowBackgroundGray));
        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;
            }
        });

        LinearLayout linearLayout2 = new LinearLayout(context);
        linearLayout2.setOrientation(LinearLayout.VERTICAL);
        linearLayout2.setBackgroundColor(Theme.getColor(Theme.key_windowBackgroundWhite));
        linearLayout.addView(linearLayout2, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));

        FrameLayout frameLayout = new FrameLayout(context);
        linearLayout2.addView(frameLayout, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));

        avatarImage = new BackupImageView(context);
        avatarImage.setRoundRadius(AndroidUtilities.dp(32));
        avatarDrawable.setInfo(5, null, null, false);
        avatarDrawable.setDrawPhoto(true);
        frameLayout.addView(avatarImage, LayoutHelper.createFrame(64, 64, Gravity.TOP | (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT), LocaleController.isRTL ? 0 : 16, 12, LocaleController.isRTL ? 16 : 0, 12));
        avatarImage.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (getParentActivity() == null) {
                    return;
                }
                AlertDialog.Builder builder = new AlertDialog.Builder(getParentActivity());

                CharSequence[] items;

                if (avatar != null) {
                    items = new CharSequence[]{LocaleController.getString("FromCamera", R.string.FromCamera), LocaleController.getString("FromGalley", R.string.FromGalley), LocaleController.getString("DeletePhoto", R.string.DeletePhoto)};
                } else {
                    items = new CharSequence[]{LocaleController.getString("FromCamera", R.string.FromCamera), LocaleController.getString("FromGalley", R.string.FromGalley)};
                }

                builder.setItems(items, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        if (i == 0) {
                            avatarUpdater.openCamera();
                        } else if (i == 1) {
                            avatarUpdater.openGallery();
                        } else if (i == 2) {
                            avatar = null;
                            uploadedAvatar = null;
                            avatarImage.setImage(avatar, "50_50", avatarDrawable);
                        }
                    }
                });
                showDialog(builder.create());
            }
        });

        nameTextView = new EditText(context);
        if (currentChat.megagroup) {
            nameTextView.setHint(LocaleController.getString("GroupName", R.string.GroupName));
        } else {
            nameTextView.setHint(LocaleController.getString("EnterChannelName", R.string.EnterChannelName));
        }
        nameTextView.setMaxLines(4);
        nameTextView.setText(currentChat.title);
        nameTextView.setGravity(Gravity.CENTER_VERTICAL | (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT));
        nameTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16);
        nameTextView.setHint(LocaleController.getString("GroupName", R.string.GroupName));
        nameTextView.setHintTextColor(Theme.getColor(Theme.key_windowBackgroundWhiteHintText));
        nameTextView.setBackgroundDrawable(Theme.createEditTextDrawable(context, false));
        nameTextView.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI);
        nameTextView.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_CAP_SENTENCES);
        nameTextView.setPadding(0, 0, 0, AndroidUtilities.dp(8));
        nameTextView.setFocusable(nameTextView.isEnabled());
        InputFilter[] inputFilters = new InputFilter[1];
        inputFilters[0] = new InputFilter.LengthFilter(100);
        nameTextView.setFilters(inputFilters);
        AndroidUtilities.clearCursorDrawable(nameTextView);
        nameTextView.setTextColor(Theme.getColor(Theme.key_windowBackgroundWhiteBlackText));
        frameLayout.addView(nameTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT, Gravity.CENTER_VERTICAL, LocaleController.isRTL ? 16 : 96, 0, LocaleController.isRTL ? 96 : 16, 0));
        nameTextView.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) {
                avatarDrawable.setInfo(5, nameTextView.length() > 0 ? nameTextView.getText().toString() : null, null, false);
                avatarImage.invalidate();
            }
        });

        ShadowSectionCell sectionCell = new ShadowSectionCell(context);
        sectionCell.setSize(20);
        linearLayout.addView(sectionCell, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));

        if (currentChat.creator) {
            FrameLayout container3 = new FrameLayout(context);
            container3.setBackgroundColor(Theme.getColor(Theme.key_windowBackgroundWhite));
            linearLayout.addView(container3, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));

            TextSettingsCell textCell = new TextSettingsCell(context);
            textCell.setTextColor(Theme.getColor(Theme.key_windowBackgroundWhiteRedText5));
            textCell.setBackgroundDrawable(Theme.getSelectorDrawable(false));
            textCell.setText(LocaleController.getString("DeleteMega", R.string.DeleteMega), false);
            container3.addView(textCell, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));
            textCell.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    AlertDialog.Builder builder = new AlertDialog.Builder(getParentActivity());
                    builder.setMessage(LocaleController.getString("MegaDeleteAlert", R.string.MegaDeleteAlert));
                    builder.setTitle(LocaleController.getString("AppName", R.string.AppName));
                    builder.setPositiveButton(LocaleController.getString("OK", R.string.OK), new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialogInterface, int i) {
                            NotificationCenter.getInstance().removeObserver(this, NotificationCenter.closeChats);
                            if (AndroidUtilities.isTablet()) {
                                NotificationCenter.getInstance().postNotificationName(NotificationCenter.closeChats, -(long) chatId);
                            } else {
                                NotificationCenter.getInstance().postNotificationName(NotificationCenter.closeChats);
                            }
                            MessagesController.getInstance().deleteUserFromChat(chatId, MessagesController.getInstance().getUser(UserConfig.getClientUserId()), null);
                            finishFragment();
                        }
                    });
                    builder.setNegativeButton(LocaleController.getString("Cancel", R.string.Cancel), null);
                    showDialog(builder.create());
                }
            });

            TextInfoPrivacyCell infoCell2 = new TextInfoPrivacyCell(context);
            infoCell2.setBackgroundDrawable(Theme.getThemedDrawable(context, R.drawable.greydivider_bottom, Theme.key_windowBackgroundGrayShadow));
            infoCell2.setText(LocaleController.getString("MegaDeleteInfo", R.string.MegaDeleteInfo));
            linearLayout.addView(infoCell2, LayoutHelper.createLinear(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));
        } else {
            sectionCell.setBackgroundDrawable(Theme.getThemedDrawable(context, R.drawable.greydivider_bottom, Theme.key_windowBackgroundGrayShadow));
        }

        nameTextView.setSelection(nameTextView.length());
        if (currentChat.photo != null) {
            avatar = currentChat.photo.photo_small;
            avatarImage.setImage(avatar, "50_50", avatarDrawable);
        } else {
            avatarImage.setImageDrawable(avatarDrawable);
        }

        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) {
            nameTextView.requestFocus();
            AndroidUtilities.showKeyboard(nameTextView);
        }
    }

    @Override
    public void didUploadedPhoto(final TLRPC.InputFile file, final TLRPC.PhotoSize small, final TLRPC.PhotoSize big) {
        AndroidUtilities.runOnUIThread(new Runnable() {
            @Override
            public void run() {
                uploadedAvatar = file;
                avatar = small.location;
                avatarImage.setImage(avatar, "50_50", avatarDrawable);
                if (createAfterUpload) {
                    donePressed = false;
                    try {
                        if (progressDialog != null && progressDialog.isShowing()) {
                            progressDialog.dismiss();
                            progressDialog = null;
                        }
                    } catch (Exception e) {
                        FileLog.e(e);
                    }
                    doneButton.performClick();
                }
            }
        });
    }

    @Override
    public void onActivityResultFragment(int requestCode, int resultCode, Intent data) {
        avatarUpdater.onActivityResult(requestCode, resultCode, data);
    }

    @Override
    public void saveSelfArgs(Bundle args) {
        if (avatarUpdater != null && avatarUpdater.currentPicturePath != null) {
            args.putString("path", avatarUpdater.currentPicturePath);
        }
        if (nameTextView != null) {
            String text = nameTextView.getText().toString();
            if (text != null && text.length() != 0) {
                args.putString("nameTextView", text);
            }
        }
    }

    @Override
    public void restoreSelfArgs(Bundle args) {
        if (avatarUpdater != null) {
            avatarUpdater.currentPicturePath = args.getString("path");
        }
    }

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

    private void saveName() {
        MessagesController.getInstance().changeChatTitle(chatId, nameTextView.getText().toString());
    }
}
