#include <memory>
#include "appStates/titleSelectionState.hpp"
#include "appStates/backupMenuState.hpp"
#include "appStates/titleOptionState.hpp"
#include "filesystem/filesystem.hpp"
#include "graphics/graphics.hpp"
#include "system/input.hpp"
#include "ui/ui.hpp"
#include "log.hpp"
#include "jksv.hpp"

namespace
{
    // Texture names
    const std::string TITLE_SELECT_RENDER_TARGET = "titleSelectionRenderTarget";
    // Strings
    const std::string TITLE_SELECTION_CONTROL_GUIDE = "helpTitle";
}

titleSelectionState::titleSelectionState(data::user *currentUser) : m_CurrentUser(currentUser),
                                                                    m_TitleSelection(std::make_unique<ui::titleSelection>(m_CurrentUser)),
                                                                    m_TitleControlGuide(ui::strings::getString(TITLE_SELECTION_CONTROL_GUIDE, 0)),
                                                                    m_TitleControlGuideX(1220 - graphics::systemFont::getTextWidth(m_TitleControlGuide, 18))
{
    // Render target to render everything too
    m_RenderTarget = graphics::textureManager::createTexture(TITLE_SELECT_RENDER_TARGET, 1080, 555, SDL_TEXTUREACCESS_STATIC | SDL_TEXTUREACCESS_TARGET);
}

titleSelectionState::~titleSelectionState() {}

void titleSelectionState::update(void)
{
    m_TitleSelection->update();

    if (sys::input::buttonDown(HidNpadButton_A))
    {
        int selected = m_TitleSelection->getSelected();
        data::userSaveInfo *currentUserSaveInfo = m_CurrentUser->getUserSaveInfoAt(selected);
        if (fs::mountSaveData(currentUserSaveInfo->getSaveDataInfo()))
        {
            data::titleInfo *currentTitleInfo = data::getTitleInfoByTitleID(currentUserSaveInfo->getTitleID());
            sharedAppState backupState = createBackupMenuState(m_CurrentUser, currentUserSaveInfo, currentTitleInfo);
            jksv::pushState(backupState);
        }
        else
        {
            logger::log("Error mounting save for %016lX", currentUserSaveInfo->getTitleID());
        }
    }
    else if (sys::input::buttonDown(HidNpadButton_X))
    {
        // Get some stuff needed
        int selected = m_TitleSelection->getSelected();
        data::userSaveInfo *currentUserSaveInfo = m_CurrentUser->getUserSaveInfoAt(selected);
        data::titleInfo *currentTitleInfo = data::getTitleInfoByTitleID(currentUserSaveInfo->getTitleID());

        sharedAppState optionState = createTitleOptionState(m_CurrentUser, currentUserSaveInfo, currentTitleInfo);
        jksv::pushState(optionState);
    }
    else if (sys::input::buttonDown(HidNpadButton_B))
    {
        appState::deactivateState();
    }
}

void titleSelectionState::render(void)
{
    // Clear render target
    graphics::textureClear(m_RenderTarget.get(), COLOR_TRANSPARENT);
    // Render selection to target
    m_TitleSelection->render(m_RenderTarget.get());

    // Render to screen
    graphics::textureRender(m_RenderTarget.get(), NULL, 201, 91);

    if (appState::hasFocus())
    {
        graphics::systemFont::renderText(m_TitleControlGuide, NULL, m_TitleControlGuideX, 673, 18, COLOR_WHITE);
    }
}