/*
 * Copyright (c) 2010-2019 Belledonne Communications SARL.
 *
 * This file is part of linphone-android
 * (see https://www.linphone.org).
 *
 * 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 org.linphone.contacts.views;

import android.graphics.Bitmap;
import android.view.View;
import org.linphone.R;
import org.linphone.contacts.LinphoneContact;
import org.linphone.core.ChatRoomSecurityLevel;
import org.linphone.utils.ImageUtils;

public class ContactAvatar {

    private static String generateAvatar(String displayName) {
        String[] names = displayName.split(" ");
        StringBuilder generatedAvatarText = new StringBuilder();
        int count = 0;
        for (String name : names) {
            if (name != null && name.length() > 0 && count < 2) {
                generatedAvatarText.append(name.charAt(0));
                count += 1;
            }
        }
        return generatedAvatarText.toString().toUpperCase();
    }

    private static void setSecurityLevel(ChatRoomSecurityLevel level, View v) {
        ContactAvatarHolder holder = new ContactAvatarHolder(v);
        if (holder.securityLevel != null) {
            holder.securityLevel.setVisibility(View.VISIBLE);
            switch (level) {
                case Safe:
                    holder.securityLevel.setImageResource(R.drawable.security_2_indicator);
                    break;
                case Encrypted:
                    holder.securityLevel.setImageResource(R.drawable.security_1_indicator);
                    break;
                case ClearText:
                case Unsafe:
                default:
                    holder.securityLevel.setImageResource(R.drawable.security_alert_indicator);
                    break;
            }
        } else {
            holder.securityLevel.setVisibility(View.GONE);
        }
    }

    private static void showHasLimeX3dhCapability(View v) {
        ContactAvatarHolder holder = new ContactAvatarHolder(v);
        if (holder.securityLevel != null) {
            holder.securityLevel.setVisibility(View.VISIBLE);
            holder.securityLevel.setImageResource(R.drawable.security_toogle_icon_green);
        } else {
            holder.securityLevel.setVisibility(View.GONE);
        }
    }

    public static void displayAvatar(String displayName, View v, boolean showBorder) {
        if (displayName == null || v == null) return;

        ContactAvatarHolder holder = new ContactAvatarHolder(v);
        holder.init();

        boolean generated_avatars =
                v.getContext().getResources().getBoolean(R.bool.generate_text_avatar);
        if (displayName.startsWith("+") || !generated_avatars) {
            // If display name is a phone number, use default avatar because generated one will be
            // +...
            holder.generatedAvatar.setVisibility(View.GONE);
            holder.generatedAvatarBackground.setVisibility(View.GONE);
        } else {
            String generatedAvatar = generateAvatar(displayName);
            if (generatedAvatar != null && generatedAvatar.length() > 0) {
                holder.generatedAvatar.setText(generatedAvatar);
                holder.generatedAvatar.setVisibility(View.VISIBLE);
                holder.generatedAvatarBackground.setVisibility(View.VISIBLE);
            } else {
                holder.generatedAvatar.setVisibility(View.GONE);
                holder.generatedAvatarBackground.setVisibility(View.GONE);
            }
        }
        holder.securityLevel.setVisibility(View.GONE);

        if (showBorder) {
            holder.avatarBorder.setVisibility(View.VISIBLE);
        }
    }

    public static void displayAvatar(String displayName, View v) {
        displayAvatar(displayName, v, false);
    }

    public static void displayAvatar(
            String displayName, ChatRoomSecurityLevel securityLevel, View v) {
        displayAvatar(displayName, v);
        setSecurityLevel(securityLevel, v);
    }

    public static void displayAvatar(LinphoneContact contact, View v, boolean showBorder) {
        if (contact == null || v == null) return;

        ContactAvatarHolder holder = new ContactAvatarHolder(v);
        holder.init();

        boolean generated_avatars =
                v.getContext().getResources().getBoolean(R.bool.generate_text_avatar);

        // Kepp the generated avatar ready in case of failure while loading picture
        holder.generatedAvatar.setText(
                generateAvatar(
                        contact.getFullName() == null
                                ? contact.getFirstName() + " " + contact.getLastName()
                                : contact.getFullName()));

        holder.generatedAvatar.setVisibility(View.GONE);
        holder.generatedAvatarBackground.setVisibility(View.GONE);
        holder.contactPicture.setVisibility(View.VISIBLE);
        holder.securityLevel.setVisibility(View.GONE);

        Bitmap bm = ImageUtils.getRoundBitmapFromUri(v.getContext(), contact.getThumbnailUri());
        if (bm != null) {
            displayAvatar(bm, holder);
        } else if (generated_avatars) {
            holder.generatedAvatar.setVisibility(View.VISIBLE);
            holder.generatedAvatarBackground.setVisibility(View.VISIBLE);
        }

        if (showBorder) {
            holder.avatarBorder.setVisibility(View.VISIBLE);
        }
    }

    private static void displayAvatar(Bitmap bm, ContactAvatarHolder holder) {
        holder.contactPicture.setImageBitmap(bm);
        holder.contactPicture.setVisibility(View.VISIBLE);
        holder.generatedAvatar.setVisibility(View.GONE);
        holder.generatedAvatarBackground.setVisibility(View.GONE);
    }

    public static void displayAvatar(Bitmap bm, View v) {
        if (bm == null || v == null) return;

        ContactAvatarHolder holder = new ContactAvatarHolder(v);
        holder.init();

        holder.generatedAvatar.setVisibility(View.GONE);
        holder.generatedAvatarBackground.setVisibility(View.GONE);
        holder.contactPicture.setVisibility(View.VISIBLE);
        holder.securityLevel.setVisibility(View.GONE);

        displayAvatar(bm, holder);
    }

    public static void displayAvatar(LinphoneContact contact, View v) {
        displayAvatar(contact, v, false);
    }

    public static void displayAvatar(
            LinphoneContact contact, boolean hasLimeX3dhCapability, View v) {
        displayAvatar(contact, v);
        if (hasLimeX3dhCapability) {
            showHasLimeX3dhCapability(v);
        }
    }

    public static void displayAvatar(
            LinphoneContact contact, ChatRoomSecurityLevel securityLevel, View v) {
        displayAvatar(contact, v);
        setSecurityLevel(securityLevel, v);
    }

    public static void displayGroupChatAvatar(View v) {
        ContactAvatarHolder holder = new ContactAvatarHolder(v);
        holder.contactPicture.setImageResource(R.drawable.chat_group_avatar);
        holder.generatedAvatar.setVisibility(View.GONE);
        holder.generatedAvatarBackground.setVisibility(View.GONE);
        holder.securityLevel.setVisibility(View.GONE);
        holder.avatarBorder.setVisibility(View.GONE);
    }

    public static void displayGroupChatAvatar(ChatRoomSecurityLevel level, View v) {
        displayGroupChatAvatar(v);
        setSecurityLevel(level, v);
    }
}