#include "addressbookdialog.h"
#include "ui_addressbookdialog.h"

#include "addresstablemodel.h"
#include "editaddressdialog.h"

#include <QSortFilterProxyModel>
#include <QClipboard>
#include <QDebug>

AddressBookDialog::AddressBookDialog(Mode mode, QWidget *parent) :
    QDialog(parent),
    ui(new Ui::AddressBookDialog),
    model(0),
    mode(mode)
{
    ui->setupUi(this);
    switch(mode)
    {
    case ForSending:
        connect(ui->receiveTableView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(on_buttonBox_accepted()));
        connect(ui->sendTableView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(on_buttonBox_accepted()));
        ui->sendTableView->setFocus();
        break;
    }

    connect(ui->tabWidget, SIGNAL(currentChanged(int)), this, SLOT(selectionChanged()));
}

AddressBookDialog::~AddressBookDialog()
{
    delete ui;
}

void AddressBookDialog::setModel(AddressTableModel *model)
{
    this->model = model;
    // Refresh list from core
    model->updateList();

    // Receive filter
    QSortFilterProxyModel *receive_model = new QSortFilterProxyModel(this);
    receive_model->setSourceModel(model);
    receive_model->setDynamicSortFilter(true);
    receive_model->setFilterRole(AddressTableModel::TypeRole);
    receive_model->setFilterFixedString(AddressTableModel::Receive);
    ui->receiveTableView->setModel(receive_model);
    ui->receiveTableView->sortByColumn(0, Qt::AscendingOrder);

    // Send filter
    QSortFilterProxyModel *send_model = new QSortFilterProxyModel(this);
    send_model->setSourceModel(model);
    send_model->setDynamicSortFilter(true);
    send_model->setFilterRole(AddressTableModel::TypeRole);
    send_model->setFilterFixedString(AddressTableModel::Send);
    ui->sendTableView->setModel(send_model);
    ui->sendTableView->sortByColumn(0, Qt::AscendingOrder);

    // Set column widths
    ui->receiveTableView->horizontalHeader()->resizeSection(
            AddressTableModel::Address, 320);
    ui->receiveTableView->horizontalHeader()->setResizeMode(
            AddressTableModel::Label, QHeaderView::Stretch);
    ui->sendTableView->horizontalHeader()->resizeSection(
            AddressTableModel::Address, 320);
    ui->sendTableView->horizontalHeader()->setResizeMode(
            AddressTableModel::Label, QHeaderView::Stretch);

    connect(ui->receiveTableView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
            this, SLOT(selectionChanged()));
    connect(ui->sendTableView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
            this, SLOT(selectionChanged()));

    if(mode == ForSending)
    {
        // Auto-select first row when in sending mode
        ui->sendTableView->selectRow(0);
    }
}

void AddressBookDialog::setTab(int tab)
{
    ui->tabWidget->setCurrentIndex(tab);
    selectionChanged();
}

QTableView *AddressBookDialog::getCurrentTable()
{
    switch(ui->tabWidget->currentIndex())
    {
    case SendingTab:
        return ui->sendTableView;
    case ReceivingTab:
        return ui->receiveTableView;
    default:
        return 0;
    }
}

void AddressBookDialog::on_copyToClipboard_clicked()
{
    // Copy currently selected address to clipboard
    //   (or nothing, if nothing selected)
    QTableView *table = getCurrentTable();
    QModelIndexList indexes = table->selectionModel()->selectedRows(AddressTableModel::Address);

    foreach (QModelIndex index, indexes)
    {
        QVariant address = index.data();
        QApplication::clipboard()->setText(address.toString());
    }
}

void AddressBookDialog::on_newAddressButton_clicked()
{
    EditAddressDialog dlg(
            ui->tabWidget->currentIndex() == SendingTab ?
            EditAddressDialog::NewSendingAddress :
            EditAddressDialog::NewReceivingAddress);
    dlg.setModel(model);
    dlg.exec();
}

void AddressBookDialog::on_deleteButton_clicked()
{
    QTableView *table = getCurrentTable();
    QModelIndexList indexes = table->selectionModel()->selectedRows();
    if(!indexes.isEmpty())
    {
        table->model()->removeRow(indexes.at(0).row());
    }
}

void AddressBookDialog::on_buttonBox_accepted()
{
    QTableView *table = getCurrentTable();
    QModelIndexList indexes = table->selectionModel()->selectedRows(AddressTableModel::Address);

    foreach (QModelIndex index, indexes)
    {
        QVariant address = table->model()->data(index);
        returnValue = address.toString();
    }
    if(!returnValue.isEmpty())
    {
        accept();
    }
    else
    {
        reject();
    }
}

void AddressBookDialog::selectionChanged()
{
    // Set button states based on selected tab and selection
    QTableView *table = getCurrentTable();

    if(table->selectionModel()->hasSelection())
    {
        switch(ui->tabWidget->currentIndex())
        {
        case SendingTab:
            ui->deleteButton->setEnabled(true);
            break;
        case ReceivingTab:
            ui->deleteButton->setEnabled(false);
            break;
        }
        ui->copyToClipboard->setEnabled(true);
    }
    else
    {
        ui->deleteButton->setEnabled(false);
        ui->copyToClipboard->setEnabled(false);
    }
}