#include <mbgl/renderer/sources/render_vector_source.hpp>

#include <mbgl/renderer/render_tile.hpp>
#include <mbgl/renderer/paint_parameters.hpp>
#include <mbgl/renderer/tile_parameters.hpp>
#include <mbgl/tile/vector_mlt_tile.hpp>
#include <mbgl/tile/vector_mvt_tile.hpp>

namespace mbgl {

using namespace style;

RenderVectorSource::RenderVectorSource(Immutable<style::TileSource::Impl> impl_, const TaggedScheduler& threadPool_)
    : RenderTileSetSource(std::move(impl_), threadPool_) {}

const std::optional<Tileset>& RenderVectorSource::getTileset() const {
    return static_cast<const style::TileSource::Impl&>(*baseImpl).tileset;
}

void RenderVectorSource::updateInternal(const Tileset& tileset,
                                        const std::vector<Immutable<style::LayerProperties>>& layers,
                                        const bool needsRendering,
                                        const bool needsRelayout,
                                        const TileParameters& parameters) {
    tilePyramid.update(layers,
                       needsRendering,
                       needsRelayout,
                       parameters,
                       *baseImpl,
                       util::tileSize_I,
                       tileset.zoomRange,
                       tileset.bounds,
                       [&](const OverscaledTileID& tileID, TileObserver* observer_) -> std::unique_ptr<VectorTile> {
                           if (!isMLT.has_value()) {
                               auto impl = staticImmutableCast<style::TileSource::Impl>(baseImpl);
                               assert(impl->tileset); // we should have one by now
                               if (impl->tileset) {
                                   isMLT = (impl->tileset->vectorEncoding == Tileset::VectorEncoding::MLT);
                               }
                           }
                           if (isMLT && *isMLT) {
                               return std::make_unique<VectorMLTTile>(
                                   tileID, baseImpl->id, parameters, tileset, observer_, fastPFOREnabled);
                           } else {
                               return std::make_unique<VectorMVTTile>(
                                   tileID, baseImpl->id, parameters, tileset, observer_);
                           }
                       });
}

} // namespace mbgl