#include "DrawingProgramLayer.hpp"
#include "DrawingProgramLayerManager.hpp"
#include "../DrawingProgram.hpp"
#include <Helpers/Parallel.hpp>

void DrawingProgramLayer::draw(SkCanvas* canvas, const DrawData& drawData) const {
    for(auto& p : components->get_data())
        p->obj->draw(canvas, drawData);
}

void DrawingProgramLayer::set_component_list_callbacks(DrawingProgramLayerListItem& layerListItem, DrawingProgramLayerManager& layerMan) const {
    components->set_insert_callback([&](const CanvasComponentContainer::ObjInfoSharedPtr& c) {
        c->obj->set_owner_obj_info(c);
        c->obj->parentLayer = &layerListItem;
        c->obj->commit_update(layerMan.drawP); // Run commit update on insert so that world bounds are calculated
        layerMan.drawP.drawCache.add_component(c);
        if(c->obj->get_comp().get_type() == CanvasComponentType::IMAGE)
            layerMan.drawP.updateableComponents.emplace(c);
    });
    components->set_erase_callback([&](const CanvasComponentContainer::ObjInfoSharedPtr& c) {
        layerMan.drawP.drawCache.erase_component(c);
        layerMan.drawP.drawTool->erase_component(c);
        std::erase_if(layerMan.drawP.droppedDownloadingFiles, [&c](auto& downloadingFile) {
            return downloadingFile.comp == c;
        });
        layerMan.drawP.updateableComponents.erase(c);
    });
    components->set_move_callback([&](const CanvasComponentContainer::ObjInfoSharedPtr& c, uint32_t oldPos) {
        layerMan.drawP.drawCache.invalidate_cache_at_aabb(c->obj->get_world_bounds());
    });
}

void DrawingProgramLayer::commit_update_dont_invalidate_cache(DrawingProgramLayerManager& layerMan) const {
    parallel_loop_container(components->get_data(), [&layerMan](auto& comp) {
        comp->obj->commit_update_dont_invalidate_cache(layerMan.drawP);
    });
}

void DrawingProgramLayer::get_flattened_component_list(std::vector<CanvasComponentContainer::ObjInfoSharedPtr>& objList) const {
    objList.insert(objList.begin(), components->get_data().begin(), components->get_data().end());
}