#include "autocookselectionwindow.h"
#include "ui_autocookselectionwindow.h"

#include <QSignalMapper>
#include <QtDebug>
#include <QKeyEvent>

#include "autocookconfigwindow.h"
#include "soundplayer.h"
#include "configwindow.h"
#include "washwindow.h"
#include "mainwindow.h"
#include "manualviewerdlg.h"

#define MAX_BUTTONS 30
#define BUTTONS_PER_PAGE 27

AutoCookSelectionWindow::AutoCookSelectionWindow(QWidget *parent, Define::CookType type) :
    QMainWindow(parent),
    ui(new Ui::AutoCookSelectionWindow),
    type(type), autoCookWindowOpened(false)
{
    ui->setupUi(this);

    ui->clockContainer->setParent(ui->upperStack);
    setAttribute(Qt::WA_DeleteOnClose);

    ui->cookTypeIcon->setPixmap(Define::icon(type));

    book = CookBook(type);

    QSignalMapper *sm = new QSignalMapper(this);
    connect(sm, SIGNAL(mapped(int)), SLOT(onCookSelected(int)));

    QFont font = this->font();
    font.setPointSize(12);
    font.setBold(true);
    font.setWeight(75);

    QLatin1String stylesheet("QPushButton {\n"
    "border-image: url(:/images/button/288.png);\n"
    "}\n"
    "QPushButton::pressed, QPushButton:focus {\n"
    "border-image: url(:/images/button/288_ov.png);\n"
    "}");

    int cnt = book.list.size();
    if (cnt > MAX_BUTTONS)
        cnt = BUTTONS_PER_PAGE;

    QWidget *last = this;
    for (int idx = 0; idx < cnt; idx++)
    {
        int x = 14 + (idx % 3) * 352;
        int y = 738 + (idx / 3) * 96;

        QPushButton *pb = new QPushButton(this);
        pb->setGeometry(QRect(x, y, 345, 84));
        pb->setFont(font);
        pb->setStyleSheet(stylesheet);
        pb->setText(book.list.at(idx));

        sm->setMapping(pb, idx);
        connect(pb, SIGNAL(clicked()), sm, SLOT(map()));

        setTabOrder(last, pb);

        button.append(pb);

        last = pb;
    }

    if (book.list.size() > MAX_BUTTONS) {
        ui->bullets->setBulletPixmap(":/images/auto_popup/bullet.png");
        ui->bullets->setCurrentBulletPixmap(":/images/auto_popup/bullet_selected.png");
        ui->bullets->setMaximum(book.list.size() / BUTTONS_PER_PAGE);
    } else {
        ui->bullets->hide();
        ui->prev->hide();
        ui->next->hide();
    }

    setTabOrder(last, ui->prev);
    setTabOrder(ui->prev, ui->next);
    setTabOrder(ui->next, ui->backButton);
    setTabOrder(ui->backButton, ui->configButton);
    setTabOrder(ui->configButton, ui->washButton);
    setTabOrder(ui->washButton, ui->helpButton);

    foreach (QPushButton *button, findChildren<QPushButton *>())
        connect(button, &QPushButton::pressed, SoundPlayer::playClick);

    setFocus();
}

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

void AutoCookSelectionWindow::keyPressEvent(QKeyEvent *event)
{
    switch (event->key())
    {
    case 0x01000032:    // Turn left
        onEncoderLeft();
        break;
    case 0x01000031:    // Push
        pushed = focusWidget();
        break;
    case 0x01000030:    // Turn right
        onEncoderRight();
        break;
    }
}

void AutoCookSelectionWindow::keyReleaseEvent(QKeyEvent *event)
{
    switch (event->key())
    {
    case 0x01000032:    // Turn left
        onEncoderLeft();
        break;
    case 0x01000031:    // Push
        if (focusWidget() == pushed)
            onEncoderClicked(pushed);

        pushed = NULL;
        break;
    case 0x01000030:    // Turn right
        onEncoderRight();
        break;
    }
}

void AutoCookSelectionWindow::onCookSelected(int idx)
{
    setFocus();

    idx += ui->bullets->currentIndex() * BUTTONS_PER_PAGE;

    AutoCookConfigWindow *w = new AutoCookConfigWindow(this, book.get(idx));
    w->setWindowModality(Qt::WindowModal);
    w->showFullScreen();
    w->raise();
}

void AutoCookSelectionWindow::on_backButton_clicked()
{
    close();
}

void AutoCookSelectionWindow::on_configButton_clicked()
{
    ConfigWindow *w = new ConfigWindow(MainWindow::getInstance());
    w->setWindowModality(Qt::WindowModal);
    w->showFullScreen();
    w->raise();

    MainWindow::jump(w);
}

void AutoCookSelectionWindow::on_washButton_clicked()
{
    WashWindow *w = new WashWindow(MainWindow::getInstance());
    w->setWindowModality(Qt::WindowModal);
    w->showFullScreen();
    w->raise();

    MainWindow::jump(w);
}

void AutoCookSelectionWindow::on_helpButton_clicked()
{
    ManualViewerDlg* dlg = new ManualViewerDlg(this, AUTO_COOK_PAGE);
    dlg->showFullScreen();
    dlg->raise();
}

void AutoCookSelectionWindow::onEncoderLeft()
{
    focusPreviousChild();
}

void AutoCookSelectionWindow::onEncoderRight()
{
    focusNextChild();
}

void AutoCookSelectionWindow::onEncoderClicked(QWidget *clicked)
{
    QPushButton *b = qobject_cast<QPushButton *>(clicked);
    if (b)
        b->click();
}

void AutoCookSelectionWindow::list()
{
    int startAt = ui->bullets->currentIndex() * BUTTONS_PER_PAGE;
    for (int i = 0; i < button.size(); i++) {
        QPushButton *pb = button.at(i);

        int cookIdx = startAt + i;
        if (cookIdx >= book.list.size())
            pb->hide();
        else {
            pb->setText(book.list.at(cookIdx));
            pb->show();
        }
    }
}

void AutoCookSelectionWindow::on_prev_clicked()
{
    ui->bullets->setCurrentIndex(ui->bullets->currentIndex() - 1);
    list();
}

void AutoCookSelectionWindow::on_next_clicked()
{
    ui->bullets->setCurrentIndex(ui->bullets->currentIndex() + 1);
    list();
}