//
// Created by selim on 17.05.2022.
//

#include "Dialog.h"

namespace gtkpp {

    void responseCallback(GtkDialog*, GtkResponseType responseId, void* data) {
        auto dialog = reinterpret_cast<Dialog*>(data);
        dialog->_response = responseId;
        dialog->_signalResponse.emit(responseId);
    }

    Dialog::Dialog(Window* parent) {

        auto flags = static_cast<GtkDialogFlags>(GTK_DIALOG_DESTROY_WITH_PARENT
                | GTK_DIALOG_MODAL
                | GTK_DIALOG_USE_HEADER_BAR);

        auto dialog = gtk_dialog_new_with_buttons("Add plate number",
                                                  parent->gobj(),
                                                  flags,
                                                  "OK", GTK_RESPONSE_OK,
                                                  "Cancel", GTK_RESPONSE_CANCEL,
                                                  nullptr);
        _window = GTK_WINDOW(dialog);
        gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
        _responseHandlerId = g_signal_connect (dialog, "response", G_CALLBACK(responseCallback), this);
    }

    void Dialog::onResponse(const std::function<void(GtkResponseType)> &callback) {
        _signalResponse.connect(callback);
    }

    cc::result<GtkResponseType> Dialog::responseAsync() {
        auto promise = std::make_shared<cc::result_promise<GtkResponseType>>();
        auto result = promise->get_result();

        _signalResponse.connect([promise](GtkResponseType response){
            promise->set_result(response);
        });

        return result;
    }

    Dialog::~Dialog() {
        g_signal_handler_disconnect(_window, _responseHandlerId);
    }

    GtkResponseType Dialog::currentResponse() const {
        return _response;
    }

    Box Dialog::contentWidget() const {
        auto contentArea = gtk_dialog_get_content_area (GTK_DIALOG(_window));
        return {contentArea};
    }

}