#include "Resources.h"
#include "Enums.h"
#include "Graphics.h"
#include "Metal/MTLSampler.hpp"

using namespace Seele;
using namespace Seele::Metal;

DestructionManager::DestructionManager(PGraphics graphics) : graphics(graphics) {}

DestructionManager::~DestructionManager() {}

void DestructionManager::queueResourceForDestruction(OCommandBoundResource resource) {
    if (resource == nullptr)
        return;
    if (resource->isCurrentlyBound()) {
        resources.add(std::move(resource));
    }
}

void DestructionManager::notifyCommandComplete() {
    for (size_t i = 0; i < resources.size(); ++i) {
        if (!resources[i]->isCurrentlyBound()) {
            resources.removeAt(i, false);
            i--;
        }
    }
}

Fence::Fence(PGraphics graphics) : handle(graphics->getDevice()->newFence()) {}

Fence::~Fence() { handle->release(); }

Event::Event(PGraphics graphics) : handle(graphics->getDevice()->newEvent()) {}

Event::~Event() { handle->release(); }

Sampler::Sampler(PGraphics graphics, const SamplerCreateInfo& createInfo) : Gfx::Sampler(createInfo) {
    MTL::SamplerDescriptor* desc = MTL::SamplerDescriptor::alloc()->init();
    desc->setBorderColor(cast(createInfo.borderColor));
    desc->setCompareFunction(cast(createInfo.compareOp));
    desc->setLodAverage(createInfo.mipLodBias);
    desc->setLodMaxClamp(createInfo.maxLod);
    desc->setLodMinClamp(createInfo.minLod);
    desc->setMinFilter(cast(createInfo.minFilter));
    desc->setMagFilter(cast(createInfo.magFilter));
    desc->setMipFilter(cast(createInfo.mipmapMode));
    desc->setMaxAnisotropy(createInfo.maxAnisotropy);
    desc->setNormalizedCoordinates(!createInfo.unnormalizedCoordinates);
    desc->setRAddressMode(cast(createInfo.addressModeU));
    desc->setSAddressMode(cast(createInfo.addressModeV));
    desc->setTAddressMode(cast(createInfo.addressModeW));
    desc->setSupportArgumentBuffers(true);
    sampler = graphics->getDevice()->newSamplerState(desc);
    desc->release();
}

Sampler::~Sampler() { sampler->release(); }