#include "editorstate.h"
#include "widgets/button.h"
#include "widgets/group.h"
#include "widgets/menubar.h"
#include "widgets/window.h"
#include "widgets/editorwidget.h"
#include "widgets/bpmcalculatorwidget.h"
#include "tools/bpmcalculator.h"

#include "core/editor.h"

#include <iostream>

EditorState::EditorState(sf::RenderWindow& game_window, std::unique_ptr<Editor>&& editor, Callbacks&& callbacks, const FontHolder& font_holder) :
    _font(font_holder.get(Fonts::Id::GUI)),
    _game_window(game_window),
    _callbacks(std::move(callbacks)),
    _editor(std::move(editor))
{}

EditorState::~EditorState()
{}

void EditorState::input(const sf::Event& event)
{
    _group->input(event);
}

void EditorState::update(const sf::Time& dt)
{
    _group->update(dt);
}

void EditorState::draw() const
{
    _game_window.draw(*_group);
}

void EditorState::enter()
{
    auto& group = _group;
    auto& music = _music;
    auto& editor = _editor;

    _music->openFromFile("Uta-test.flac");
    _music->setVolume(5);

    _bpm_calculator = std::make_shared<BPMCalculator>(_music);
    std::shared_ptr<BPMCalculatorWidget> bpm_widget = std::make_shared<BPMCalculatorWidget>(_bpm_calculator, _font);
    bpm_widget->init(_editor);
    const auto bpm_widget_callback = [&group, bpm_widget=bpm_widget, &music]()
    {
        music->stop();
        bpm_widget->setVisibility(false);
        group->unblock();
    };

    const float window_width = _game_window.getSize().x;

    auto menu_bar = std::make_shared<MenuBar>(_font);

    auto bpm_button = std::make_shared<PushButton>("Calculate BPM", _font);

    bpm_button->setCallback([&group, bpm_widget=bpm_widget]()
                            {
                                group->blockBy(bpm_widget);
                                bpm_widget->setVisibility(true);
                            });

    bpm_widget->setRect(sf::FloatRect(_game_window.getSize().x / 3, _game_window.getSize().y / 3, _game_window.getSize().x / 3, _game_window.getSize().y / 3));
    bpm_widget->addBarButton("X", bpm_widget_callback);
    bpm_widget->setVisibility(false);

    auto test_menu_2 = std::make_shared<MenuDrop>();
    test_menu_2->setRect(sf::FloatRect{0, 0, 200, 27 * 5});

    auto test_menu_3 = std::make_shared<MenuDrop>();
    test_menu_3->setRect(sf::FloatRect{0, 0, 200, 27 * 5});

    auto test_cascade_button = std::make_shared<CascadeMenuButton>("Show submenu", _font);

    auto test_cascade_button_2 = std::make_shared<CascadeMenuButton>("Show submenu 2", _font);

    auto quit_button = std::make_shared<PushButton>("Quit", _font);
    quit_button->setCallback(_callbacks.onLeaveEditorState);

    auto test_menu = std::make_shared<MenuDrop>();
    test_menu->setRect(sf::FloatRect{0, 0, 200, 27 * 3});

    menu_bar->setRect(sf::FloatRect(0, 0, window_width, 27));
    menu_bar->addRootSubMenu("test", test_menu);
    menu_bar->addDependentSubmenu(test_menu_2);
    menu_bar->addDependentSubmenu(test_menu_3);

    test_cascade_button->setSubmenu(test_menu_2);

    test_menu->addPushButton(bpm_button);
    test_menu->addCascadeButton(test_cascade_button);
    test_menu->addPushButton(quit_button);

    test_cascade_button->resetRect();

    test_cascade_button_2->setSubmenu(test_menu_3);
    test_menu_2->addCascadeButton(test_cascade_button_2);
    test_cascade_button_2->resetRect();

    menu_bar->setVisibility(true);

    EditorWidget::Callbacks callbacks;
    callbacks.onDraw = [&editor](sf::RenderTarget& target, sf::RenderStates states)
    {
        (void)target; (void)states; // fucking shit i am a retard damn fuck fuck
        editor->draw();
    };

    callbacks.onInput = [&editor](const sf::Event& event)
    {
        editor->input(PlayerInput{0, event});
    };

    callbacks.onUpdate = [&editor](const sf::Time& dt)
    {
        editor->update(dt);
    };

    auto editor_widget = std::make_shared<EditorWidget>(std::move(callbacks));

    _group = std::make_shared<Group>();
    _group->addChild(menu_bar);
    _group->addChild(bpm_widget);
    _group->addChild(editor_widget);
}

void EditorState::leave()
{
    _group.reset();
    _bpm_calculator.reset();
}