/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated July 28, 2023. Replaces all prior versions.
 *
 * Copyright (c) 2013-2023, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software or
 * otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
 * SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#pragma once

#include "SpineCommon.h"
#include "SpineSkeletonDataResource.h"
#include "SpineBone.h"
#include "SpineSlot.h"
#include "SpineIkConstraint.h"
#include "SpineTransformConstraint.h"
#include "SpinePathConstraint.h"
#include "SpinePhysicsConstraint.h"

#include <unordered_map>

class SpineSprite;

class SpineSkeleton : public REFCOUNTED {
	GDCLASS(SpineSkeleton, REFCOUNTED);

	friend class SpineBone;
	friend class SpineSlot;
	friend class SpineTimeline;
	friend class SpineSprite;
	friend class SpineAnimation;
	friend class SpineAnimationState;
	friend class SpineAnimationTrack;
	friend class SpineBoneNode;
	friend class SpineSlotNode;

protected:
	static void _bind_methods();

	void set_spine_sprite(SpineSprite *_sprite);
	spine::Skeleton *get_spine_object() { return skeleton; }
	SpineSprite *get_spine_owner() { return sprite; }
	Ref<SpineSkeletonDataResource> get_skeleton_data_res() const;

private:
	spine::Skeleton *skeleton;
	SpineSprite *sprite;
	spine::Vector<float> bounds_vertex_buffer;
	Ref<SpineSkin> last_skin;

	std::unordered_map<spine::Bone *, Ref<SpineBone>> _cached_bones;
	std::unordered_map<spine::Slot *, Ref<SpineSlot>> _cached_slots;

public:
	SpineSkeleton();
	~SpineSkeleton() override;

	void update_world_transform(SpineConstant::Physics physics);

	void set_to_setup_pose();

	void set_bones_to_setup_pose();

	void set_slots_to_setup_pose();

	Ref<SpineBone> find_bone(const String &name);

	Ref<SpineSlot> find_slot(const String &name);

	void set_skin_by_name(const String &skin_name);

	void set_skin(Ref<SpineSkin> new_skin);

	Ref<SpineAttachment> get_attachment_by_slot_name(const String &slot_name, const String &attachment_name);

	Ref<SpineAttachment> get_attachment_by_slot_index(int slot_index, const String &attachment_name);

	void set_attachment(const String &slot_name, const String &attachment_name);

	Ref<SpineIkConstraint> find_ik_constraint(const String &constraint_name);

	Ref<SpineTransformConstraint> find_transform_constraint(const String &constraint_name);

	Ref<SpinePathConstraint> find_path_constraint(const String &constraint_name);

	Ref<SpinePhysicsConstraint> find_physics_constraint(const String &constraint_name);

	Rect2 get_bounds();

	Ref<SpineBone> get_root_bone();

	Array get_bones();

	Array get_slots();

	Array get_draw_order();

	Array get_ik_constraints();

	Array get_transform_constraints();

	Array get_path_constraints();

	Array get_physics_constraints();

	Ref<SpineSkin> get_skin();

	Color get_color();

	void set_color(Color v);

	void set_position(Vector2 position);

	float get_x();

	void set_x(float v);

	float get_y();

	void set_y(float v);

	float get_scale_x();

	void set_scale_x(float v);

	float get_scale_y();

	void set_scale_y(float v);

	float get_time();

	void set_time(float time);

	void update(float delta);

	void physics_translate(float x, float y);

	void physics_rotate(float x, float y, float degrees);
};