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****************************************************************************/

#include "addressfinder.h"

#include <qcontactdetailfilter.h>

#include <qcontactemailaddress.h>

#include <qcontactmanager.h>

#include <qcontactphonenumber.h>

#include <qmessage.h>

#include <qmessageservice.h>

#include <QCheckBox>

#include <QComboBox>

#include <QDateTime>

#include <QGroupBox>

#include <QLabel>

#include <QLayout>

#include <QListWidget>

#include <QMessageBox>

#include <QPushButton>

#include <QTimer>

#include <QDebug>

#include <QApplication>

#include <QMenuBar>

#include <QTabWidget>

#include <QScrollArea>

namespace {

QString simpleAddress(const QString &recipient)

{

    QString name;

    QString addressOnly;

    QMessageAddress::parseEmailAddress(recipient, &name, &addressOnly);

    return addressOnly;

}

QString simpleAddress(const QMessageAddress &address)

{

}

//! [contact-lookup]

QString contactDisplayName(const QMessageAddress &address)

{

    QString addressOnly(simpleAddress(address));

    // See if we can match this address to a contact

    QContactDetailFilter filter;

    if (address.type() == QMessageAddress::Email) {

        // Match contacts on email address data

        filter.setDetailDefinitionName(QContactEmailAddress::DefinitionName);

        filter.setValue(addressOnly);

        filter.setMatchFlags(QContactFilter::MatchContains);

    } else if (address.type() == QMessageAddress::Phone) {

        // Match contacts on phone number data

        filter.setDetailDefinitionName(QContactPhoneNumber::DefinitionName);

        filter.setValue(addressOnly);

        filter.setMatchFlags(QContactFilter::MatchPhoneNumber);

    }

    QContactManager manager;

    foreach (const QContactLocalId &contactId, manager.contactIds(filter)) {

        // Any match is acceptable

        const QContact &contact(manager.contact(contactId));

        return contact.displayLabel();

    }

    // We couldn't match anything, so return the original address

}

//! [contact-lookup]

}

AddressFinder::AddressFinder(QWidget *parent, Qt::WindowFlags flags)

    : QMainWindow(parent, flags),

      tabWidget(0),

      includePeriod(0),

      excludePeriod(0),

      excludeCheckBox(0),

      searchAction(0),

      searchButton(0),

      contactList(0),

      messageCombo(0)

 {

    setupUi();

    connect(&service, SIGNAL(stateChanged(QMessageService::State)), this, SLOT(stateChanged(QMessageService::State)));

    connect(&service, SIGNAL(messagesFound(QMessageIdList)), this, SLOT(messagesFound(QMessageIdList)));

}

AddressFinder::~AddressFinder()

{

}

void AddressFinder::includePeriodChanged(int selected)

{

    // Only allow smaller periods to be excluded

    excludePeriod->clear();

    switch (selected) {

        case 0: excludePeriod->insertItem(0, "9 Months"); // fall through:

        case 1: excludePeriod->insertItem(0, "6 Months");

        case 2: excludePeriod->insertItem(0, "3 Months");

        case 3: excludePeriod->insertItem(0, "Month");

        case 4: excludePeriod->insertItem(0, "Week");

        default: break;

    }

    excludePeriod->setCurrentIndex(0);

}

void AddressFinder::excludePeriodEnabled(int state)

{

    excludePeriod->setEnabled(state == Qt::Checked);

}

//! [address-selected]

void AddressFinder::addressSelected(const QString &address)

{

    messageCombo->clear();

    QString addressOnly(simpleAddress(address));

    // Add the subject of each message to this address to the message pane

    typedef QPair<QString, QMessageId> MessageDetails;

    foreach (const MessageDetails &message, addressMessages[addressOnly]) {

        messageCombo->addItem(message.first);

    }

}

//! [address-selected]

void AddressFinder::searchMessages()

{

    setSearchActionEnabled(false);

    contactList->clear();

    messageCombo->clear();

    excludedAddresses.clear();

    addressList.clear();

    addressMessages.clear();

    inclusionMessages.clear();

    exclusionMessages.clear();

//! [create-date-range]

    QDateTime now(QDateTime::currentDateTime());

    bool useExclusionPeriod(excludeCheckBox->isChecked());

    // Determine the dates that demarcate the selected range

    QDateTime minimumDate(now);

    switch (includePeriod->currentIndex()) {

        case 0: minimumDate = minimumDate.addMonths(-12); break;

        case 1: minimumDate = minimumDate.addMonths(-9); break;

        case 2: minimumDate = minimumDate.addMonths(-6); break;

        case 3: minimumDate = minimumDate.addMonths(-3); break;

        case 4: minimumDate = minimumDate.addMonths(-1); break;

        case 5: minimumDate = minimumDate.addDays(-7); break;

        default: break;

    }

    QDateTime maximumDate(now);

    if (useExclusionPeriod) {

        // We have an exclusion period to apply

        switch (excludePeriod->currentIndex()) {

            case 0: maximumDate = maximumDate.addDays(-7); break;

            case 1: maximumDate = maximumDate.addMonths(-1); break;

            case 2: maximumDate = maximumDate.addMonths(-3); break;

            case 3: maximumDate = maximumDate.addMonths(-6); break;

            case 4: maximumDate = maximumDate.addMonths(-9); break;

            default: break;

        }

    }

//! [create-date-range]

//! [create-simple-filters]

    // We will include addresses contacted following the minimum date

    QMessageFilter includeFilter(QMessageFilter::byTimeStamp(minimumDate, QMessageDataComparator::GreaterThanEqual));

    QMessageFilter excludeFilter;

    if (useExclusionPeriod) {

        // We will exclude addresses contacted following the maximum date

        excludeFilter = QMessageFilter::byTimeStamp(maximumDate, QMessageDataComparator::GreaterThanEqual);

    }

//! [create-simple-filters]

//! [create-composite-filters]

    // We only want to match messages that we sent

    QMessageFilter sentFilter(QMessageFilter::byStandardFolder(QMessage::SentFolder));

    // Create the filter needed to locate messages to search for addresses to include

    if (useExclusionPeriod) {

    }

//! [create-composite-filters]

//! [begin-search]

    if (useExclusionPeriod) {

        // Start the search for messages containing addresses to exclude

        service.queryMessages(exclusionFilter);

    } else {

        // Only search for messages containing addresses to include

        service.queryMessages(inclusionFilter);

        // Clear the inclusion filter to indicate that we have searched for it

        inclusionFilter = QMessageFilter();

    }

//! [begin-search]

}

//! [handle-search-result]

void AddressFinder::stateChanged(QMessageService::State newState)

{

    if (newState == QMessageService::FinishedState) {

        if (service.error() == QMessageManager::NoError) {

            if (!inclusionFilter.isEmpty()) {

                // Now find the included messages

                service.queryMessages(inclusionFilter);

                // Clear the inclusion filter to indicate that we have searched for it

                inclusionFilter = QMessageFilter();

            } else {

                // We have found the exclusion and inclusion message sets

                if (!inclusionMessages.isEmpty()) {

                    // Begin processing the message sets

                    QTimer::singleShot(0, this, SLOT(continueSearch()));

//! [handle-search-result]

                } else {

                    QMessageBox::information(0, tr("Empty"), tr("No messages found"));

                    searchAction->setEnabled(true);

#ifdef USE_SEARCH_BUTTON

                    searchButton->setEnabled(true);

#endif

                }

            }

        } else {

            QMessageBox::warning(0, tr("Failed"), tr("Unable to perform search"));

            setSearchActionEnabled(true);

        }

    }

}

//! [accumulate-matches]

void AddressFinder::messagesFound(const QMessageIdList &ids)

{

    // Add these IDs to the relevant set

    if (!inclusionFilter.isEmpty()) {

        exclusionMessages << ids;

    } else {

        inclusionMessages << ids;

    }

}

//! [accumulate-matches]

//! [continue-search]

void AddressFinder::continueSearch()

{

    if (!exclusionMessages.isEmpty()) {

        // Take the first message whose addreses we should exclude

        QMessageId id(exclusionMessages.takeFirst());

        const QMessage message(id);

        // All recipient addresses are to be excluded

        foreach (const QMessageAddress &address, message.to() + message.cc() + message.bcc()) {

            excludedAddresses.insert(simpleAddress(address));

        }

    } else if (!inclusionMessages.isEmpty()) {

        // Take the first message to inspect for suitable addresses

        QMessageId id(inclusionMessages.takeFirst());

        const QMessage message(id);

        QString details;

        // For each recipient of this message

        foreach (const QMessageAddress &address, message.to() + message.cc() + message.bcc()) {

            QString addressOnly(simpleAddress(address));

            // Ignore recipients whose addresses we have added to the exclusion set

            if (!excludedAddresses.contains(addressOnly)) {

                // Link this message to this address

                QList<QPair<QString, QMessageId> > &messageList(addressMessages[addressOnly]);

                if (messageList.isEmpty()) {

                    addressList.append(addressOnly);

                    // Add the recipient to our visible list of contacts to keep in touch with

                    contactList->addItem(contactDisplayName(address));

                }

                if (details.isEmpty()) {

                    // Determine the properties of the message

                    details = QString("[%1] %2").arg(message.date().toString("MMM d")).arg(message.subject());

                }

                messageList.append(qMakePair(details, id));

            }

        }

    }

    if (!exclusionMessages.isEmpty() || !inclusionMessages.isEmpty()) {

        // There are more messages to process

        QTimer::singleShot(0, this, SLOT(continueSearch()));

    } else {

        // We're finished our search

        setSearchActionEnabled(true);

#ifndef USE_SEARCH_BUTTON

        tabChanged(1);

#endif

        if (contactList->currentItem()) {

            // Select the first address automatically

            addressSelected(contactList->currentItem()->text());

        }

    }

}

//! [continue-search]

#ifndef USE_SEARCH_BUTTON

void AddressFinder::tabChanged(int index)

{

    QWidget* currentTab = tabWidget->currentWidget();

    QAction* action = 0;

    if(currentTab && !currentTab->actions().isEmpty())

        action = currentTab->actions().first();

    menuBar()->setDefaultAction(action);

    Q_UNUSED(index)

}

#endif

void AddressFinder::setupUi()

{

    setWindowTitle(tr("Keep In Touch"));

#ifndef USE_SEARCH_BUTTON

    tabWidget = new QTabWidget(this);

    setCentralWidget(tabWidget);

    connect(tabWidget,SIGNAL(currentChanged(int)),this,SLOT(tabChanged(int)));

#else

    QWidget* centralWidget = new QWidget(this);

    QScrollArea* sa = new QScrollArea(this);

    sa->setWidget(centralWidget);

    sa->setWidgetResizable(true);

    setCentralWidget(sa);

    QVBoxLayout* centralLayout = new QVBoxLayout(centralWidget);

#endif

    QGroupBox *inputGroup = new QGroupBox(tr("Find addresses"));

    inputGroup->setAlignment(Qt::AlignLeft);

#ifndef USE_SEARCH_BUTTON

    tabWidget->addTab(inputGroup,"Search");

#else

    centralLayout->addWidget(inputGroup);

#endif

    QGridLayout *filterLayout = new QGridLayout(inputGroup);

    QLabel *includeLabel = new QLabel(tr("Contacted this"));

    filterLayout->addWidget(includeLabel, 0, 0);

    filterLayout->setAlignment(includeLabel, Qt::AlignRight);

    excludeCheckBox = new QCheckBox(tr("But not last"));

    excludeCheckBox->setCheckState(Qt::Checked);

    connect(excludeCheckBox, SIGNAL(stateChanged(int)), this, SLOT(excludePeriodEnabled(int)));

    filterLayout->addWidget(excludeCheckBox, 1, 0);

    filterLayout->setAlignment(excludeCheckBox, Qt::AlignRight);

    includePeriod = new QComboBox;

    includePeriod->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

    includePeriod->addItem(tr("Year"));

    includePeriod->addItem(tr("9 Months"));

    includePeriod->addItem(tr("6 Months"));

    includePeriod->addItem(tr("3 Months"));

    includePeriod->addItem(tr("Month"));

    includePeriod->addItem(tr("Week"));

    connect(includePeriod, SIGNAL(currentIndexChanged(int)), this, SLOT(includePeriodChanged(int)));

    filterLayout->addWidget(includePeriod, 0, 1);

    excludePeriod = new QComboBox;

    excludePeriod->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

    filterLayout->addWidget(excludePeriod, 1, 1);

#ifdef USE_SEARCH_BUTTON

    searchButton = new QPushButton(tr("Search"));

    searchButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);

    connect(searchButton, SIGNAL(clicked()), this, SLOT(searchMessages()), Qt::QueuedConnection);

    filterLayout->addWidget(searchButton, 2, 1);

#endif

    contactList = new QListWidget(this);

    connect(contactList, SIGNAL(currentTextChanged(QString)), this, SLOT(addressSelected(QString)));

#ifndef USE_SEARCH_BUTTON

    QWidget* resultsWidget = new QWidget(this);

    QVBoxLayout* resultsLayout = new QVBoxLayout(resultsWidget);

    tabWidget->addTab(resultsWidget,"Results");

#else

    QVBoxLayout* resultsLayout = centralLayout;

#endif

    QGroupBox *addressGroup = new QGroupBox(tr("Contacts"));

    addressGroup->setAlignment(Qt::AlignLeft);

    addressGroup->setLayout(new QVBoxLayout);

    addressGroup->layout()->addWidget(contactList);

    resultsLayout->addWidget(addressGroup);

    QGroupBox *messageGroup = new QGroupBox(tr("Messages"));

    messageGroup->setAlignment(Qt::AlignLeft);

    QVBoxLayout *groupLayout = new QVBoxLayout;

    messageCombo = new QComboBox;

    connect(messageCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(messageIndexChanged(int)));

    groupLayout->addWidget(messageCombo);

    showButton = new QPushButton(tr("Show..."));

    showButton->setEnabled(false);

    connect(showButton, SIGNAL(clicked()), this, SLOT(showMessage()));

    forwardButton = new QPushButton(tr("Forward..."));

    forwardButton->setEnabled(false);

    connect(forwardButton, SIGNAL(clicked()), this, SLOT(forwardMessage()));

    QHBoxLayout *buttonLayout = new QHBoxLayout;

    buttonLayout->addWidget(showButton);

    buttonLayout->addWidget(forwardButton);

    groupLayout->addLayout(buttonLayout);

    messageGroup->setLayout(groupLayout);

    resultsLayout->addWidget(messageGroup);

    searchAction = new QAction("Search",this);

    inputGroup->addAction(searchAction);

    connect(searchAction,SIGNAL(triggered()),this,SLOT(searchMessages()),Qt::QueuedConnection);

    QAction* quitAction = menuBar()->addAction("Quit");

    connect(quitAction,SIGNAL(triggered()),qApp,SLOT(quit()));

    includePeriodChanged(0);

#ifndef USE_SEARCH_BUTTON

    tabChanged(0);

#endif

}

void AddressFinder::setSearchActionEnabled(bool val)

{

    searchAction->setEnabled(val);

#ifdef USE_SEARCH_BUTTON

    searchButton->setEnabled(val);

#endif

}

void AddressFinder::messageIndexChanged(int index)

{

    bool messageSelected(index != -1);

    showButton->setEnabled(messageSelected);

    forwardButton->setEnabled(messageSelected);

}

//! [show-message]

void AddressFinder::showMessage()