/*
 * Copyright (C) 2018 Konsulko Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <QMetaEnum>
#include <QMimeDatabase>
#include <QtQml/QQmlEngine>

#include "message.h"
#include "messageengine.h"
#include "pbap.h"
#include "pbapmessage.h"
#include "responsemessage.h"

PhoneNumber::PhoneNumber(QString number, QString type)
{
    m_number = number;
    m_type = stringToEnum(type);
}

PhoneNumber::~PhoneNumber()
{
}

int PhoneNumber::stringToEnum(QString key)
{
    const QMetaObject* metaObject = PhoneNumber::metaObject();
    int enumIndex = metaObject->indexOfEnumerator("PhoneNumberType");
    QMetaEnum mEnum = metaObject->enumerator(enumIndex);

    int value = mEnum.keyToValue(key.toUtf8().data());
    return (value < 0) ? 0 : value;
}

Contact::Contact(QString name, QString photo, QList<PhoneNumber *>numbers)
{
    m_name = name;
    m_photo = photo;
    m_numbers = numbers;
}

Contact::~Contact()
{
}

RecentCall::RecentCall(QString name, QString number, QString datetime, QString type)
{
    m_name = name;
    m_number = number;
    m_datetime = datetime;
    m_type = stringToEnum(type);
}

RecentCall::~RecentCall()
{
}

int RecentCall::stringToEnum(QString key)
{
    const QMetaObject* metaObject = RecentCall::metaObject();
    int enumIndex = metaObject->indexOfEnumerator("RecentCallType");
    QMetaEnum mEnum = metaObject->enumerator(enumIndex);

    int value = mEnum.keyToValue(key.toUtf8().data());
    return (value < 0) ? 0 : value;
}

Pbap::Pbap (QUrl &url, QQmlContext *context, QObject * parent) :
    QObject(parent),
    m_mloop(nullptr)
{
    m_mloop = new MessageEngine(url);
    m_context = context;
    m_context->setContextProperty("ContactsModel", QVariant::fromValue(m_contacts));
    qmlRegisterUncreatableType<PhoneNumber>("PhoneNumber", 1, 0, "PhoneNumber", "Enum");
    m_context->setContextProperty("RecentCallModel", QVariant::fromValue(m_calls));
    qmlRegisterUncreatableType<RecentCall>("RecentCall", 1, 0, "RecentCall", "Enum");

    QObject::connect(m_mloop, &MessageEngine::connected, this, &Pbap::onConnected);
    QObject::connect(m_mloop, &MessageEngine::disconnected, this, &Pbap::onDisconnected);
    QObject::connect(m_mloop, &MessageEngine::messageReceived, this, &Pbap::onMessageReceived);
}

Pbap::~Pbap()
{
    delete m_mloop;
}

void Pbap::importContacts(int max_entries)
{
    PbapMessage *tmsg = new PbapMessage();
    QJsonObject parameter;

    tmsg->createRequest("import", parameter);
    m_mloop->sendMessage(tmsg);
    delete tmsg;
}

void Pbap::refreshContacts(int max_entries)
{
    PbapMessage *tmsg = new PbapMessage();
    QJsonObject parameter;

    tmsg->createRequest("contacts", parameter);
    m_mloop->sendMessage(tmsg);
    delete tmsg;
}

void Pbap::refreshCalls(int max_entries)
{
    PbapMessage *tmsg = new PbapMessage();
    QJsonObject parameter;

    parameter.insert("list", "cch");
    if (max_entries >= 0)
        parameter.insert("max_entries", max_entries);

    tmsg->createRequest("history", parameter);
    m_mloop->sendMessage(tmsg);
    delete tmsg;
}

void Pbap::search(QString number)
{
    PbapMessage *tmsg = new PbapMessage();
    QJsonObject parameter;

    if (!number.isEmpty())
        parameter.insert("number", number);
    parameter.insert("max_entries", 1);

    tmsg->createRequest("search", parameter);
    m_mloop->sendMessage(tmsg);
    delete tmsg;
}

bool compareContactPtr(QObject *a, QObject *b)
{
    Contact *contactA = qobject_cast<Contact *>(a);
    Contact *contactB = qobject_cast<Contact *>(b);

    return (*contactA < *contactB);
}

void Pbap::updateContacts(QJsonArray vcards)
{
    m_contacts.clear();

    for (auto vcard : vcards) {
        QJsonObject entry = vcard.toObject();
        QString image;

        QString name = entry.value("fn").toString();
        QList<PhoneNumber *> numbers;

        for (auto number: entry.value("telephone").toArray()) {
            QString type = number.toObject().keys().at(0);
            QString tel = number.toObject().value(type).toString();
            numbers.append(new PhoneNumber(tel, type));
        }

        if (entry.contains("photo")) {
            QJsonObject photo = entry.value("photo").toObject();
            QString mimetype = photo.value("mimetype").toString();
            QString mimedata = photo.value("data").toString();
            image = "data:" + mimetype + ";base64," + mimedata;
        }

        if (!numbers.isEmpty())
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