#ifndef LLMR_RENDERER_TEXTBUCKET
#define LLMR_RENDERER_TEXTBUCKET

#include "bucket.hpp"
#include <llmr/geometry/vao.hpp>
#include <llmr/geometry/elements_buffer.hpp>
#include <llmr/map/vector_tile.hpp>
#include <llmr/text/types.hpp>
#include <llmr/text/glyph.hpp>
#include <llmr/style/style_bucket.hpp>

#include <memory>
#include <map>
#include <vector>

namespace llmr {

class Style;
class TextVertexBuffer;
class TriangleElementsBuffer;
class TextShader;
class Placement;
struct pbf;

class TextBucket : public Bucket {
    typedef ElementGroup triangle_group_type;

public:
    TextBucket(
        TextVertexBuffer &vertexBuffer,
        TriangleElementsBuffer &triangleElementsBuffer,
        const StyleBucketText &properties, Placement &placement);

    virtual void render(Painter &painter, std::shared_ptr<StyleLayer> layer_desc, const Tile::ID &id);
    virtual bool hasData() const;

    void addGlyphs(const PlacedGlyphs &glyphs, float placementZoom,
                   PlacementRange placementRange, float zoom);

    void addFeature(const pbf &geometry,
                    const GlyphPositions &face,
                    const Shaping &shaping);

    void drawGlyphs(TextShader &shader);

public:
    const StyleBucketText &properties;

private:
    TextVertexBuffer& vertexBuffer;
    TriangleElementsBuffer& triangleElementsBuffer;
    Placement &placement;

    const size_t vertex_start;
    const size_t triangle_elements_start;

    std::vector<triangle_group_type> triangleGroups;
};
}

#endif