/*************************************************************************/
/*  skeleton_profile.h                                                   */
/*************************************************************************/
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#ifndef SKELETON_PROFILE_H
#define SKELETON_PROFILE_H

#include "texture.h"

class SkeletonProfile : public Resource {
	GDCLASS(SkeletonProfile, Resource);

public:
	enum TailDirection {
		TAIL_DIRECTION_AVERAGE_CHILDREN,
		TAIL_DIRECTION_SPECIFIC_CHILD,
		TAIL_DIRECTION_END
	};

protected:
	// Note: SkeletonProfileHumanoid which extends SkeletonProfile exists to unify standard bone names.
	// That is what is_read_only is for, so don't make it public.
	bool is_read_only = false;

	struct SkeletonProfileGroup {
		StringName group_name;
		Ref<Texture2D> texture;
	};

	struct SkeletonProfileBone {
		StringName bone_name;
		StringName bone_parent;
		TailDirection tail_direction = TAIL_DIRECTION_AVERAGE_CHILDREN;
		StringName bone_tail;
		Transform3D reference_pose;
		Vector2 handle_offset;
		StringName group;
		bool require = false;
	};

	StringName root_bone;
	StringName scale_base_bone;

	Vector<SkeletonProfileGroup> groups;
	Vector<SkeletonProfileBone> bones;

	bool _get(const StringName &p_path, Variant &r_ret) const;
	bool _set(const StringName &p_path, const Variant &p_value);
	virtual void _validate_property(PropertyInfo &property) const override;
	void _get_property_list(List<PropertyInfo> *p_list) const;
	static void _bind_methods();

public:
	StringName get_root_bone();
	void set_root_bone(StringName p_bone_name);

	StringName get_scale_base_bone();
	void set_scale_base_bone(StringName p_bone_name);

	int get_group_size();
	void set_group_size(int p_size);

	StringName get_group_name(int p_group_idx) const;
	void set_group_name(int p_group_idx, const StringName p_group_name);

	Ref<Texture2D> get_texture(int p_group_idx) const;
	void set_texture(int p_group_idx, const Ref<Texture2D> &p_texture);

	int get_bone_size();
	void set_bone_size(int p_size);

	int find_bone(const StringName p_bone_name) const;

	StringName get_bone_name(int p_bone_idx) const;
	void set_bone_name(int p_bone_idx, const StringName p_bone_name);

	StringName get_bone_parent(int p_bone_idx) const;
	void set_bone_parent(int p_bone_idx, const StringName p_bone_parent);

	TailDirection get_tail_direction(int p_bone_idx) const;
	void set_tail_direction(int p_bone_idx, const TailDirection p_tail_direction);

	StringName get_bone_tail(int p_bone_idx) const;
	void set_bone_tail(int p_bone_idx, const StringName p_bone_tail);

	Transform3D get_reference_pose(int p_bone_idx) const;
	void set_reference_pose(int p_bone_idx, const Transform3D p_reference_pose);

	Vector2 get_handle_offset(int p_bone_idx) const;
	void set_handle_offset(int p_bone_idx, const Vector2 p_handle_offset);

	StringName get_group(int p_bone_idx) const;
	void set_group(int p_bone_idx, const StringName p_group);

	bool is_require(int p_bone_idx) const;
	void set_require(int p_bone_idx, const bool p_require);

	bool has_bone(StringName p_bone_name);

	SkeletonProfile();
	~SkeletonProfile();
};

class SkeletonProfileHumanoid : public SkeletonProfile {
	GDCLASS(SkeletonProfileHumanoid, SkeletonProfile);

public:
	SkeletonProfileHumanoid();
	~SkeletonProfileHumanoid();
};

VARIANT_ENUM_CAST(SkeletonProfile::TailDirection);

#endif // SKELETON_PROFILE_H