#pragma once

#include "F4TRemotePlayerState.h"

#include <chrono>
#include <cstdint>
#include <optional>
#include <string_view>

namespace RE
{
	class Actor;
}

namespace F4T::ProxyAnimationSync
{
	// Confirmed via local read-by-name graph debug (Fallout4Together.log):
	// - float "Speed" reads/writes while in-game (walk ~47-105)
	// - bool "IsSprinting" reads while in-game
	// - bIsMoving, bIsSneaking, bSprint, bInJumpState, bWeaponDrawn, Direction: unavailable by name
	namespace GraphVar
	{
		inline constexpr const char* kSpeed = "Speed";
		inline constexpr const char* kSpeedLower = "speed";
		inline constexpr const char* kSpeedSampled = "speedSampled";
		inline constexpr const char* kSpeedDamped = "speedDamped";
		inline constexpr const char* kIsSprinting = "IsSprinting";
	}

	// Maps network movementSpeed (units/sec) to graph Speed (~0-105). Used when the sender
	// does not provide animationGraphSpeed.
	float MapMovementSpeedToGraphSpeed(float a_movementSpeed, bool a_isSprinting);

	struct ProxyAppliedAnimationState
	{
		bool hasAppliedGraphState{ false };
		bool lastIsMoving{ false };
		bool lastIsSprinting{ false };
		bool lastIsSneaking{ false };
		bool lastIsJumping{ false };
		bool lastWeaponDrawn{ false };
		float lastGraphSpeed{ 0.0F };
		float lastDirection{ 0.0F };
		std::chrono::steady_clock::time_point movingHoldUntil{};
	};

	void ResetAppliedAnimationState(ProxyAppliedAnimationState& a_state);

	void ApplyProxyAnimationFromRemoteState(
		ProxyAppliedAnimationState& a_state,
		RE::Actor& a_proxy,
		const RemotePlayerState::RemotePlayerState& a_remotePlayer);

	void ClearProxyAnimationState(
		ProxyAppliedAnimationState& a_state,
		RE::Actor& a_proxy,
		std::uint32_t a_remotePlayerId,
		std::string_view a_reason);
}