#include "widgets/chatwidgetinput.h"
#include "chatwidget.h"
#include "colorscheme.h"
#include "ircmanager.h"
#include "settings.h"

#include <QCompleter>
#include <QPainter>
#include <boost/signals2.hpp>

namespace chatterino {
namespace widgets {

ChatWidgetInput::ChatWidgetInput(ChatWidget *widget)
    : chatWidget(widget)
    , hbox()
    , vbox()
    , editContainer()
    , edit()
    , textLengthLabel()
    , emotesLabel(0)
{
    this->setLayout(&this->hbox);
    this->setMaximumHeight(150);
    this->hbox.setMargin(4);

    this->hbox.addLayout(&this->editContainer);
    this->hbox.addLayout(&this->vbox);

    this->editContainer.addWidget(&this->edit);
    this->editContainer.setMargin(4);

    this->vbox.addWidget(&this->textLengthLabel);
    this->vbox.addStretch(1);
    this->vbox.addWidget(&this->emotesLabel);

    this->textLengthLabel.setText("100");
    this->textLengthLabel.setAlignment(Qt::AlignRight);
    this->emotesLabel.getLabel().setTextFormat(Qt::RichText);
    this->emotesLabel.getLabel().setText(
        "<img src=':/images/Emoji_Color_1F60A_19.png' width='12' height='12' "
        "/>");

    QObject::connect(&edit, &ResizingTextEdit::textChanged, this,
                     &ChatWidgetInput::editTextChanged);

    //    QObject::connect(&edit, &ResizingTextEdit::keyPressEvent, this,
    //                     &ChatWidgetInput::editKeyPressed);

    this->refreshTheme();
    this->setMessageLengthVisisble(
        Settings::getInstance().showMessageLength.get());

    QStringList list;
    list.append("asd");
    list.append("asdf");
    list.append("asdg");
    list.append("asdh");

    QCompleter *completer = new QCompleter(list, &edit);

    completer->setWidget(&edit);

    this->edit.keyPressed.connect([this, completer](QKeyEvent *event) {
        if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
            auto ptr = this->chatWidget->getChannel();
            Channel *c = ptr.get();

            if (c != nullptr) {
                IrcManager::send("PRIVMSG #" + c->getName() + ": " +
                                 this->edit.toPlainText());
                event->accept();
                this->edit.setText(QString());
            }
        }
        //        else {
        //            completer->setCompletionPrefix("asdf");
        //            completer->complete();
        //            //            completer->popup();
        //        }
    });

    /* XXX(pajlada): FIX THIS
    QObject::connect(&Settings::getInstance().showMessageLength,
                     &BoolSetting::valueChanged, this,
                     &ChatWidgetInput::setMessageLengthVisisble);
                     */
}

ChatWidgetInput::~ChatWidgetInput()
{
    /* XXX(pajlada): FIX THIS
    QObject::disconnect(
        &Settings::getInstance().getShowMessageLength(),
        &BoolSetting::valueChanged, this,
        &ChatWidgetInput::setMessageLengthVisisble);
        */
}

void
ChatWidgetInput::refreshTheme()
{
    QPalette palette;

    palette.setColor(QPalette::Foreground, ColorScheme::getInstance().Text);

    this->textLengthLabel.setPalette(palette);

    edit.setStyleSheet(ColorScheme::getInstance().InputStyleSheet);
}

void
ChatWidgetInput::editTextChanged()
{
}

// void
// ChatWidgetInput::editKeyPressed(QKeyEvent *event)
//{
//    if (event->key() == Qt::Key_Enter) {
//        event->accept();
//        IrcManager::send("PRIVMSG #" +  edit.toPlainText();
//        edit.setText(QString());
//    }
//}

void
ChatWidgetInput::paintEvent(QPaintEvent *)
{
    QPainter painter(this);

    painter.fillRect(rect(), ColorScheme::getInstance().ChatInputBackground);
    painter.setPen(ColorScheme::getInstance().ChatInputBorder);
    painter.drawRect(0, 0, width() - 1, height() - 1);
}

void
ChatWidgetInput::resizeEvent(QResizeEvent *)
{
    if (height() == this->maximumHeight()) {
        edit.setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
    } else {
        edit.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    }
}
}
}