#include"search_box.h"
#include"tokenize.h"

std::string lowerString(std::string text) {
    std::string new_text;
    for(unsigned long i = 0; i < text.length(); ++i)
        new_text += tolower(text[i]);
    return new_text;
}

SearchWindow::SearchWindow(QWidget *parent) : QDialog(parent) {
    setFixedSize(640, 480);
    setWindowTitle(tr("Search Filters"));
    setWindowIcon(QPixmap(":/images/icon.png"));
    createControls();
}


void SearchWindow::createControls() {
    search_list = new QListWidget(this);
    search_list->setGeometry(25, 25, 595, 400);
    search_list->show();
    search_text = new QLineEdit(this);
    search_text->setGeometry(25, 430, 290, 30);
    search_text->show();
    search = new QPushButton(this);
    search->setGeometry(325, 430, 100, 30);
    search->setText(tr("Search"));
    subf = new QPushButton(this);
    subf->setGeometry(490+25+10,430, 100, 30);
    subf->setText(tr("SubFilter"));
    add = new QPushButton(this);
    add->setText(tr("Add"));
    add->setGeometry((490+25+10)-100, 430, 100, 30);
    connect(search, SIGNAL(pressed()), this, SLOT(search_filter()));
    connect(add, SIGNAL(pressed()), this, SLOT(add_current()));
    connect(subf, SIGNAL(pressed()), this, SLOT(set_subf()));
}

void SearchWindow::search_filter() {
    
    while(search_list->count() > 0) {
        search_list->takeItem(0);
    }
    
    std::string search = lowerString(search_text->text().toStdString());
    std::vector<std::string> tokens;
    token::tokenize(search, std::string(" "), tokens);
    
    for(int i = 0; i < filters->count(); ++i) {
        std::string search_items = lowerString(filters->itemText(i).toStdString());
        for(unsigned q = 0; q < tokens.size(); ++q) {
            if(search_items.find(tokens[q]) != std::string::npos) {
            	search_list->addItem(filters->itemText(i));
            }
        }
    }
}

void SearchWindow::add_current() {
    int index = search_list->currentRow();
    if(index >= 0) {
        QListWidgetItem *in = search_list->item(index);
        custom_list->addItem(in->text());
        main_window->updateList();
        std::string text = in->text().toStdString();
        if(blend_set == false && text.find("Image") != std::string::npos)
            main_window->Log(tr("Set an Image to use this filter\n"));
        else if(text.find("SubFilter") != std::string::npos)
            main_window->Log(tr("Set a SubFilter to use this filter\n"));
        QString qtext;
        QTextStream stream(&qtext);
        stream << "Filter set to: " << in->text() << "\n";
        main_window->Log(qtext);
    }
}

void SearchWindow::setFiltersControl(QComboBox *filter_box, QListWidget *custombox) {
    filters = filter_box;
    custom_list = custombox;
}

void SearchWindow::set_subf() {
    int index = search_list->currentRow();
    if(index >= 0) {
        QListWidgetItem *in = search_list->item(index);
        main_window->setSubFilter(in->text());
        main_window->updateList();
    }
}