#include "widgets/todo.hpp"

#include <gtkmm/box.h>
#include <gtkmm/entry.h>
#include <string>

TodoPopover::TodoPopover(std::string icon, std::string title) : Popover(icon, title) {
    this->name = title;
    this->popover->set_size_request(300, -1);

    container.set_orientation(Gtk::Orientation::VERTICAL);
    container.set_spacing(10);
    container.add_css_class("todo-popover-container");

    auto entry = Gtk::make_managed<Gtk::Entry>();
    entry->set_placeholder_text("Enter your to-do item...");
    entry->add_css_class("todo-input");
    entry->set_hexpand(true);
    entry->set_halign(Gtk::Align::FILL);
    entry->set_valign(Gtk::Align::START);

    inputArea.append(*entry);
    inputArea.add_css_class("todo-input-area");
    inputArea.set_hexpand(true);
    inputArea.set_halign(Gtk::Align::FILL);

    entry->signal_activate().connect([this, entry]() {
        std::string text = entry->get_text();
        if (!text.empty()) {
            this->todoService->addTodo(text);

            entry->set_text("");
        }
    });

    container.append(inputArea);

    this->todoList = Gtk::make_managed<Gtk::Box>(Gtk::Orientation::VERTICAL);
    container.append(*todoList);
    todoList->add_css_class("todo-list");

    auto signal       = sigc::signal<void()>();
    this->todoService = new TodoService(signal);

    signal.connect(sigc::mem_fun(*this, &TodoPopover::update));

    this->set_popover_child(this->container);
    this->update();
}

void TodoPopover::update() {
    auto todos = this->todoService->getTodos();

    Gtk::Widget *child = todoList->get_first_child();

    while (child) {
        Gtk::Widget *next = child->get_next_sibling();

        bool found = false;
        for (auto &[id, todo] : todos) {
            if (child == todo) {
                found = true;
                break;
            }
        }

        if (!found) {
            todoList->remove(*child);
        }

        child = next;
    }

    for (auto &[id, todo] : todos) {
        if (todo->get_parent() == nullptr) {
            todoList->append(*todo);
        }
    }
}