using System;
using System.Linq;
using Cielonos.UI;
using FIMSpace.FProceduralAnimation;
using MoreMountains.FeedbacksForThirdParty;
using RootMotion.FinalIK;
using SLSFramework.General;
using SLSUtilities.FunctionalAnimation;
using UnityEngine;
using UnityEngine.InputSystem;

namespace Cielonos.MainGame.Characters
{
    public partial class PlayerAnimationSubcontroller : AnimationSubcontrollerBase, IPlayerSubcontroller
    {
        public Player player => owner as Player;
        public AnimatorOverrideController animatorOverride;

        public LegsAnimator legsAnimator;

        public override void Initialize()
        {
            base.Initialize();
            player.operationSc.OnDash += delegate(Vector3 inputDirection)
            {
                Vector3 cameraForward = player.viewSc.playerCamera.transform.forward.Flatten();
                player.landMovementSc.TurnToDirection(inputDirection);
                Vector3 dashCameraRotation = CalculateDashAngles(inputDirection, cameraForward);
                player.feedbackSc["Dash"].feedback.GetFeedbackOfType<MMF_CinemachineRotation>().RotationAmplitude = dashCameraRotation;
                player.feedbackSc["Dash"].feedback.GetFeedbackOfType<MMF_RadialBlur>().TargetCenter = player.GetNormalizedScreenPosition();
                fullBodyFuncAnimSm.Play("Dash");
            };
            player.operationSc.OnDodge += delegate
            {
                Vector3 dodgeDirection = Vector3.back;
                Vector3 cameraForward = player.viewSc.playerCamera.transform.forward.Flatten();
                Vector3 dodgeCameraRotation = CalculateDashAngles(dodgeDirection, cameraForward);
                player.feedbackSc["Dodge"].feedback.GetFeedbackOfType<MMF_CinemachineRotation>().RotationAmplitude = dodgeCameraRotation;
                player.feedbackSc["Dodge"].feedback.GetFeedbackOfType<MMF_RadialBlur>().TargetCenter = player.GetNormalizedScreenPosition();
                fullBodyFuncAnimSm.Play("Dodge");
            };
        }

        protected override void Update()
        {
            base.Update();
            
            player.inputSc.preinputSubmodule.Update(isDuringPreinput, isAtActionDisruption);
        }

        protected override void LateUpdate()
        {
            base.LateUpdate();
        }

        public override void RegisterDefaultFunctions()
        {
            base.RegisterDefaultFunctions();
            
            registeredFunctions.Add("DashStart", anim =>
            {
                player.landMovementSc.isDashing = true;
                player.landMovementSc.dashMoveMultiplier = anim.funcAnimData.variableCollection.GetVariable<float>("DashMoveMultiplier");
                player.selfTimeSm.ModifyTimeScale(0.1f, 1.25f);
                player.audioSc.PlayDashSound();
                player.feedbackSc["Dash"]?.Play();
                //player.renderSc.dashTrails.ForEach(ds => ds.active = true);
                //player.renderSc.dashTrails.ForEach(ds => ds.Restart());

                DodgeSource defaultDodge = new DodgeSource(owner, null, "DefaultDodge", 0, "NormalDodge", "PerfectDodge", Mathf.Infinity, 0.2f);
                defaultDodge.onPerfectDodge = () =>
                {
                    player.feedbackSc["PerfectDodge"].feedback.GetFeedbackOfType<MMF_RadialBlur>().TargetCenter = player.GetNormalizedScreenPosition();
                    player.feedbackSc["PerfectDodge"].feedback.GetFeedbackOfType<MMF_AdvancedVignette>().Center = player.GetNormalizedScreenPosition();
                };
                player.reactionSc.dodgeSm.ApplyDodge(defaultDodge);
            });
            
            registeredFunctions.Add("DashEnd", anim =>
            {
                player.landMovementSc.isDashing = false;
                player.landMovementSc.dashMoveMultiplier = 1;
                player.landMovementSc.isSprinting = true;
                //player.renderSc.dashTrails.ForEach(ds => ds.active = false);
                
                player.reactionSc.dodgeSm.RemoveDodge("DefaultDodge");
            });
            
            registeredFunctions.Add("DodgeStart", anim =>
            {
                player.landMovementSc.isDashing = true;
                player.landMovementSc.dashMoveMultiplier = anim.funcAnimData.variableCollection.GetVariable<float>("DashMoveMultiplier");
                player.audioSc.PlayDashSound();
                player.feedbackSc["Dodge"]?.Play();
                //player.renderSc.dashTrails.ForEach(ds => ds.active = true);
                //player.renderSc.dashTrails.ForEach(ds => ds.Restart());
                
                DodgeSource defaultDodge = new DodgeSource(owner, null, "DefaultDodge", 0, "NormalDodge", "PerfectDodge", Mathf.Infinity, 0.2f);
                defaultDodge.onPerfectDodge = () =>
                {
                    player.feedbackSc["PerfectDodge"].feedback.GetFeedbackOfType<MMF_RadialBlur>().TargetCenter = player.GetNormalizedScreenPosition();
                    player.feedbackSc["PerfectDodge"].feedback.GetFeedbackOfType<MMF_AdvancedVignette>().Center = player.GetNormalizedScreenPosition();
                };
                player.reactionSc.dodgeSm.ApplyDodge(defaultDodge);
            });
            
            registeredFunctions.Add("DodgeEnd", anim =>
            {
                player.landMovementSc.isDashing = false;
                player.landMovementSc.dashMoveMultiplier = 1;
                //player.renderSc.dashTrails.ForEach(ds => ds.active = false);
                
                player.reactionSc.dodgeSm.RemoveDodge("DefaultDodge");
            });
        }
    }

    public partial class PlayerAnimationSubcontroller
    {
        public bool isDuringPreinput;
        public bool isAtActionDisruption;

        protected override void UpdateIntervalInfo()
        {
            base.UpdateIntervalInfo();
            
            isDuringPreinput = currentIntervals.Any(interval => interval.intervalType == IntervalType.Preinput);
            isAtActionDisruption = lastFrameIntervals.SwitchOut(currentIntervals, (interval) => interval.intervalType == IntervalType.Preinput);
        }
    }
    
    public partial class PlayerAnimationSubcontroller
    {
        /// <summary>
        /// 计算冲刺时的相机倾斜和俯仰
        /// </summary>
        /// <param name="dashDir">世界空间的冲刺向量 (如 Vector3.forward)</param>
        /// <param name="camForwardNoY">相机的前方 (y被设为0并归一化)</param>
        /// <returns>x为Pitch(俯仰), z为Dutch(侧倾)</returns>
        public Vector3 CalculateDashAngles(Vector3 dashDir, Vector3 camForwardNoY)
        {
            // 1. 获取相机的右方
            Vector3 camRight = Vector3.Cross(Vector3.up, camForwardNoY);

            // 2. 将冲刺方向投影到相机的 前/后 和 左/右 轴上
            float forwardDot = Vector3.Dot(dashDir, camForwardNoY); // 1为前，-1为后
            float rightDot = Vector3.Dot(dashDir, camRight);       // 1为右，-1为左

            // 3. 计算目标侧倾值
            float targetDutch = forwardDot * 1f;

            // 4. 计算目标俯仰值（注意取反，使得向前冲刺时相机向下俯仰）
            float targetPitch = -rightDot * 2.0f;
            
            return new Vector3(targetPitch, 0, targetDutch);
        }
    }
}