#include "overlaymanager.h"

using namespace Overlay;

OverlayManager::OverlayManager() :
    m_Renderer(nullptr)
{
    memset(m_Overlays, 0, sizeof(m_Overlays));

    m_Overlays[OverlayType::OverlayDebug].color = {0xD0, 0xD0, 0x00, 0xFF};
    m_Overlays[OverlayType::OverlayDebug].fontSize = 20;
}

bool OverlayManager::isOverlayEnabled(OverlayType type)
{
    return m_Overlays[type].enabled;
}

char* OverlayManager::getOverlayText(OverlayType type)
{
    return m_Overlays[type].text;
}

int OverlayManager::getOverlayFontSize(OverlayType type)
{
    return m_Overlays[type].fontSize;
}

void OverlayManager::setOverlayTextUpdated(OverlayType type)
{
    // Only update the overlay state if it's enabled. If it's not enabled,
    // the renderer has already been notified by setOverlayState().
    if (m_Overlays[type].enabled && m_Renderer != nullptr) {
        m_Renderer->notifyOverlayUpdated(type);
    }
}

void OverlayManager::setOverlayState(OverlayType type, bool enabled)
{
    bool stateChanged = m_Overlays[type].enabled != enabled;

    m_Overlays[type].enabled = enabled;

    if (stateChanged) {
        if (!enabled) {
            // Set the text to empty string on disable
            m_Overlays[type].text[0] = 0;
        }

        if (m_Renderer != nullptr) {
            m_Renderer->notifyOverlayUpdated(type);
        }
    }
}

SDL_Color OverlayManager::getOverlayColor(OverlayType type)
{
    return m_Overlays[type].color;
}

void OverlayManager::setOverlayRenderer(IOverlayRenderer* renderer)
{
    m_Renderer = renderer;
}