#include "dlg_create_token.h"

#include "carddatabasemodel.h"
#include "cardinfopicture.h"
#include "decklist.h"
#include "main.h"
#include "settingscache.h"
#include "stringsizes.h"

#include <QCheckBox>
#include <QCloseEvent>
#include <QComboBox>
#include <QDialogButtonBox>
#include <QGridLayout>
#include <QGroupBox>
#include <QHBoxLayout>
#include <QHeaderView>
#include <QLabel>
#include <QLineEdit>
#include <QRadioButton>
#include <QTreeView>
#include <QVBoxLayout>

DlgCreateToken::DlgCreateToken(const QStringList &_predefinedTokens, QWidget *parent)
    : QDialog(parent), predefinedTokens(_predefinedTokens)
{
    pic = new CardInfoPicture();
    pic->setObjectName("pic");

    nameLabel = new QLabel(tr("&Name:"));
    nameEdit = new QLineEdit(tr("Token"));
    nameEdit->setMaxLength(MAX_NAME_LENGTH);
    nameEdit->selectAll();
    connect(nameEdit, SIGNAL(textChanged(const QString &)), this, SLOT(updateSearch(const QString &)));
    nameLabel->setBuddy(nameEdit);

    colorLabel = new QLabel(tr("C&olor:"));
    colorEdit = new QComboBox;
    colorEdit->addItem(tr("white"), QChar('w'));
    colorEdit->addItem(tr("blue"), QChar('u'));
    colorEdit->addItem(tr("black"), QChar('b'));
    colorEdit->addItem(tr("red"), QChar('r'));
    colorEdit->addItem(tr("green"), QChar('g'));
    colorEdit->addItem(tr("multicolor"), QChar('m'));
    colorEdit->addItem(tr("colorless"), QChar());
    colorLabel->setBuddy(colorEdit);

    ptLabel = new QLabel(tr("&P/T:"));
    ptEdit = new QLineEdit;
    ptEdit->setMaxLength(MAX_NAME_LENGTH);
    ptLabel->setBuddy(ptEdit);

    annotationLabel = new QLabel(tr("&Annotation:"));
    annotationEdit = new QLineEdit;
    annotationEdit->setMaxLength(MAX_NAME_LENGTH);
    annotationLabel->setBuddy(annotationEdit);

    destroyCheckBox = new QCheckBox(tr("&Destroy token when it leaves the table"));
    destroyCheckBox->setChecked(true);

    QGridLayout *grid = new QGridLayout;
    grid->addWidget(nameLabel, 0, 0);
    grid->addWidget(nameEdit, 0, 1);
    grid->addWidget(colorLabel, 1, 0);
    grid->addWidget(colorEdit, 1, 1);
    grid->addWidget(ptLabel, 2, 0);
    grid->addWidget(ptEdit, 2, 1);
    grid->addWidget(annotationLabel, 3, 0);
    grid->addWidget(annotationEdit, 3, 1);
    grid->addWidget(destroyCheckBox, 4, 0, 1, 2);

    QGroupBox *tokenDataGroupBox = new QGroupBox(tr("Token data"));
    tokenDataGroupBox->setLayout(grid);

    cardDatabaseModel = new CardDatabaseModel(db, false, this);
    cardDatabaseDisplayModel = new TokenDisplayModel(this);
    cardDatabaseDisplayModel->setSourceModel(cardDatabaseModel);

    chooseTokenFromAllRadioButton = new QRadioButton(tr("Show &all tokens"));
    connect(chooseTokenFromAllRadioButton, SIGNAL(toggled(bool)), this, SLOT(actChooseTokenFromAll(bool)));
    chooseTokenFromDeckRadioButton = new QRadioButton(tr("Show tokens from this &deck"));
    connect(chooseTokenFromDeckRadioButton, SIGNAL(toggled(bool)), this, SLOT(actChooseTokenFromDeck(bool)));

    QByteArray deckHeaderState = SettingsCache::instance().layouts().getDeckEditorDbHeaderState();
    chooseTokenView = new QTreeView;
    chooseTokenView->setModel(cardDatabaseDisplayModel);
    chooseTokenView->setUniformRowHeights(true);
    chooseTokenView->setRootIsDecorated(false);
    chooseTokenView->setAlternatingRowColors(true);
    chooseTokenView->setSortingEnabled(true);
    chooseTokenView->sortByColumn(0, Qt::AscendingOrder);
    chooseTokenView->resizeColumnToContents(0);
    chooseTokenView->setWordWrap(true);

    if (!deckHeaderState.isNull())
        chooseTokenView->header()->restoreState(deckHeaderState);

    chooseTokenView->header()->setStretchLastSection(false);
    chooseTokenView->header()->hideSection(1);                                         // Sets
    chooseTokenView->header()->hideSection(2);                                         // Mana Cost
    chooseTokenView->header()->setSectionResizeMode(5, QHeaderView::ResizeToContents); // Color(s)
    connect(chooseTokenView->selectionModel(), SIGNAL(currentRowChanged(QModelIndex, QModelIndex)), this,
            SLOT(tokenSelectionChanged(QModelIndex, QModelIndex)));
    connect(chooseTokenView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(actOk()));

    if (predefinedTokens.isEmpty()) {
        chooseTokenFromAllRadioButton->setChecked(true);
        chooseTokenFromDeckRadioButton->setDisabled(true); // No tokens in deck = no need for option
    } else {
        chooseTokenFromDeckRadioButton->setChecked(true);
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
        cardDatabaseDisplayModel->setCardNameSet(QSet<QString>(predefinedTokens.begin(), predefinedTokens.end()));
#else
        cardDatabaseDisplayModel->setCardNameSet(QSet<QString>::fromList(predefinedTokens));
#endif
    }

    QVBoxLayout *tokenChooseLayout = new QVBoxLayout;
    tokenChooseLayout->addWidget(chooseTokenFromAllRadioButton);
    tokenChooseLayout->addWidget(chooseTokenFromDeckRadioButton);
    tokenChooseLayout->addWidget(chooseTokenView);

    QGroupBox *tokenChooseGroupBox = new QGroupBox(tr("Choose token from list"));
    tokenChooseGroupBox->setLayout(tokenChooseLayout);

    QGridLayout *hbox = new QGridLayout;
    hbox->addWidget(pic, 0, 0, 1, 1);
    hbox->addWidget(tokenDataGroupBox, 1, 0, 1, 1);
    hbox->addWidget(tokenChooseGroupBox, 0, 1, 2, 1);
    hbox->setColumnStretch(1, 1);

    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
    connect(buttonBox, SIGNAL(accepted()), this, SLOT(actOk()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(actReject()));

    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addLayout(hbox);
    mainLayout->addWidget(buttonBox);
    setLayout(mainLayout);

    setWindowTitle(tr("Create token"));

    resize(600, 500);
    restoreGeometry(SettingsCache::instance().getTokenDialogGeometry());
}

void DlgCreateToken::closeEvent(QCloseEvent *event)
{
    event->accept();
    SettingsCache::instance().setTokenDialogGeometry(saveGeometry());
}

void DlgCreateToken::tokenSelectionChanged(const QModelIndex &current, const QModelIndex & /*previous*/)
{
    const QModelIndex realIndex = cardDatabaseDisplayModel->mapToSource(current);

    CardInfoPtr cardInfo;

    if (current.row() >= 0) {
        cardInfo = cardDatabaseModel->getCard(realIndex.row());
    }

    if (cardInfo) {
        updateSearchFieldWithoutUpdatingFilter(cardInfo->getName());
        const QChar cardColor = cardInfo->getColorChar();
        colorEdit->setCurrentIndex(colorEdit->findData(cardColor, Qt::UserRole, Qt::MatchFixedString));
        ptEdit->setText(cardInfo->getPowTough());
        if (SettingsCache::instance().getAnnotateTokens())
            annotationEdit->setText(cardInfo->getText());
    } else {
        nameEdit->setText("");
        colorEdit->setCurrentIndex(colorEdit->findData(QString(), Qt::UserRole, Qt::MatchFixedString));
        ptEdit->setText("");
        annotationEdit->setText("");
    }

    pic->setCard(cardInfo);
}

void DlgCreateToken::updateSearchFieldWithoutUpdatingFilter(const QString &newValue) const
{
    nameEdit->blockSignals(true);
    nameEdit->setText(newValue);
    nameEdit->blockSignals(false);
}

void DlgCreateToken::updateSearch(const QString &search)
{
    cardDatabaseDisplayModel->setCardName(search);
}

void DlgCreateToken::actChooseTokenFromAll(bool checked)
{
    if (checked) {
        cardDatabaseDisplayModel->setCardNameSet(QSet<QString>());
    }
}

void DlgCreateToken::actChooseTokenFromDeck(bool checked)
{
    if (checked) {
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
        cardDatabaseDisplayModel->setCardNameSet(QSet<QString>(predefinedTokens.begin(), predefinedTokens.end()));
#else
        cardDatabaseDisplayModel->setCardNameSet(QSet<QString>::fromList(predefinedTokens));
#endif
    }
}

void DlgCreateToken::actOk()
{
    SettingsCache::instance().setTokenDialogGeometry(saveGeometry());
    accept();
}

void DlgCreateToken::actReject()
{
    SettingsCache::instance().setTokenDialogGeometry(saveGeometry());
    reject();
}

QString DlgCreateToken::getName() const
{
    return nameEdit->text();
}

QString DlgCreateToken::getColor() const
{
    return QString(colorEdit->itemData(colorEdit->currentIndex()).toChar());
}

QString DlgCreateToken::getPT() const
{
    return ptEdit->text();
}

QString DlgCreateToken::getAnnotation() const
{
    return annotationEdit->text();
}

bool DlgCreateToken::getDestroy() const
{
    return destroyCheckBox->isChecked();
}