using System;
using System.Collections;
using Sirenix.OdinInspector;
using UnityEngine;
using UnityEngine.InputSystem;
using Random = UnityEngine.Random;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    public class CannonController : MonoBehaviour
    {
        /***********************************************************************
         *                               Variables
         ***********************************************************************/
        #region Variables

        // 컴포넌트
        [TitleGroup("컴포넌트"), BoxGroup("컴포넌트/컴포넌트", ShowLabel = false)]
        [Required, SerializeField] private Cannon cannon;
        
        [BoxGroup("컴포넌트/컴포넌트", ShowLabel = false)]
        [Required, SerializeField] private PlayerInput playerInput;
        
        [BoxGroup("컴포넌트/컴포넌트", ShowLabel = false)]
        [SerializeField] private ProcessBar launchProcessBar;
        
        // 대포 기본 설정
        [TitleGroup("대포 기본 설정")]
        
        // 게이지
        [BoxGroup("대포 기본 설정/게이지")]
        [Range(0.1f, 5f), Tooltip("게이지가 모두 차는데 걸리는 시간\n게이지는 0 ~ 1의 값을 가짐")]
        [SerializeField] private float gaugeChargingTime = 1f;
        
        // 기타
        [BoxGroup("대포 기본 설정/기타")]
        [Tooltip("랜덤으로 잡힐 물고기 마릿수 x, y를 포함하는 사이의 값")]
        [SerializeField] private Vector2 randomCatch = new(1, 4);
        
        [BoxGroup("대포 기본 설정/기타")]
        [SerializeField] private float mouseRayDistance = 500f;
        
        [BoxGroup("대포 기본 설정/기타")]
        [SerializeField] private LayerMask waterLayer;
        
        [BoxGroup("대포 기본 설정/기타")]
        [SerializeField] private LayerMask boidsLayer;
        
        // 카메라 효과 옵션
        [TitleGroup("카메라"), BoxGroup("카메라/카메라 흔들림 효과", ShowLabel = false)]
        [SerializeField] private float cameraShakePower = 2f;
        
        [BoxGroup("카메라/카메라 흔들림 효과", ShowLabel = false)]
        [SerializeField] private float cameraShakeDuration = 0.3f;
        
        // 실시간 상태
        [TitleGroup("실시간 상태")]
        [DisableIf("@true")]
        [SerializeField] private bool isLaunchMode;
        [DisableIf("@true")]
        [SerializeField] private bool isCharging;
        [DisableIf("@true")]
        [SerializeField] private float chargingGauge;
        [DisableIf("@true")]
        [SerializeField] private float previousGauge;
        
        private Collider[] hitColliders;

        private const int MAX_HIT_SIZE = 8;
        
        #endregion
        
        /***********************************************************************
         *                               Unity Events
         ***********************************************************************/
        #region Unity Events

        private void Start()
        {
            launchProcessBar = UiManager.Inst.OceanUi.ProcessBar;
            hitColliders = new Collider[MAX_HIT_SIZE];
        }

        private void OnEnable()
        {
            playerInput.actions.FindAction("ToggleLaunchMode").started += _ => ToggleLaunchMode();
            playerInput.actions.FindAction("LaunchCannon").started += _ => ChargeCannon();
            playerInput.actions.FindAction("LaunchCannon").canceled += _ => LaunchCannon();
        }
        
        private void OnDisable()
        {
            playerInput.actions.FindAction("ToggleLaunchMode").started -= _ => ToggleLaunchMode();
            playerInput.actions.FindAction("LaunchCannon").started -= _ => ChargeCannon();
            playerInput.actions.FindAction("LaunchCannon").canceled -= _ => LaunchCannon();
        }

        private void Update()
        {
            HandleLaunchCannon();
        }

        #endregion

        /***********************************************************************
         *                               Init Methods
         ***********************************************************************/
        #region Init Methods

        [Button("셋팅 초기화")]
        private void Init()
        {
            cannon = GetComponent<Cannon>();
            playerInput = GetComponentInParent<PlayerInput>();
        }

        #endregion
        
        /***********************************************************************
         *                              PlayerInput
         ***********************************************************************/
        #region PlayerInput
        
        private void ToggleLaunchMode()
        {
            isLaunchMode = !isLaunchMode;
            launchProcessBar.SetActive(isLaunchMode);

            if (!isLaunchMode)
            {
                isCharging = false;
                chargingGauge = 0f;
                previousGauge = chargingGauge;
                launchProcessBar.SetFillAmount(0f);
                launchProcessBar.SetRotateZ(previousGauge * -360f);
                launchProcessBar.SetRotateZ(0f);
                launchProcessBar.SetSliderValue(0f);
                cannon.ExitLaunchMode();
            }
        }

        private void ChargeCannon()
        {
            if (!isLaunchMode) return;

            if (cannon.IsReloading)
            {
                StartCoroutine(UiManager.Inst.OceanUi.ProcessBar.ShakeProcessBarCoroutine());
            }
            else
            {
                isCharging = true;
                chargingGauge = 0f;
                cannon.StartChargeCannon();
            }
        }

        private void LaunchCannon()
        {
            if (!isLaunchMode || !isCharging) return;
            
            isCharging = false;
            previousGauge = chargingGauge;
            chargingGauge = 0f;
            launchProcessBar.SetFillAmount(0f);
            launchProcessBar.SetRotateZ(previousGauge * -360f);
            cannon.SetActivePredictLine(false);
            
            cannon.Launch();
            StartCoroutine(LaunchCoolDown(cannon.LaunchCooldown));
            VisualFeedbackManager.Inst.CameraShake(CameraManager.Inst.OceanCamera.BaseShipCam, cameraShakePower, cameraShakeDuration);
        }

        #endregion
        
        /***********************************************************************
         *                              Methods
         ***********************************************************************/
        #region Methods
        
        private void HandleLaunchCannon()
        {
            if (!isLaunchMode) return;

            var ray = CameraManager.Inst.MainCam.ScreenPointToRay(Input.mousePosition);

            if (Physics.Raycast(ray, out var hit, mouseRayDistance, waterLayer, QueryTriggerInteraction.Collide))
            {
                var directionToMouse = (hit.point - transform.position).normalized;
                directionToMouse.y = 0f;

                var lookRotation = Quaternion.LookRotation(directionToMouse);
                var cannonRotationDirection = Quaternion.Euler(0f, lookRotation.eulerAngles.y, 0f);
                
                transform.rotation = cannonRotationDirection;
            }
            
            if (!isCharging) return;

            if (chargingGauge < 1f)
            {
                if (gaugeChargingTime == 0f)
                {
                    gaugeChargingTime = 1f;
                }
                
                chargingGauge += 1 / gaugeChargingTime * Time.deltaTime;
                chargingGauge = Mathf.Clamp(chargingGauge, 0f, 1f);
            }
            else
            {
                chargingGauge = 1f;
            }
            launchProcessBar.SetFillAmount(chargingGauge);
            
            cannon.CalculateLaunchTrajectory(cannon.CalculateEndPosition(chargingGauge), true);
        }
        
        private IEnumerator LaunchCoolDown(float waitTime)
        {
            var time = 0f;
            launchProcessBar.SetSliderValue(0f);
            launchProcessBar.SetActiveReloadSlider(true);

            while (time <= waitTime)
            {
                time += Time.deltaTime;
                var sliderValue = time > 0 ? time / waitTime : 0f;
                launchProcessBar.SetSliderValue(sliderValue);
                yield return null;
            }

            cannon.IsReloading = false;
            launchProcessBar.SetActiveReloadSlider(false);
        }
        
        public void HitAction(RaycastHit hit, float power, GameObject marker = null)
        {
            if (hit.collider.gameObject.layer == LayerMask.NameToLayer("Water"))
            {
                var maxSize = Physics.OverlapSphereNonAlloc(hit.point, cannon.CannonRadius, hitColliders, boidsLayer,
                    QueryTriggerInteraction.Collide);

                for (var i = 0; i < maxSize; i++)
                {
                    var hitBoids = hitColliders[i].GetComponentInParent<Boids>();
                    var catchSize = Random.Range((int)randomCatch.x, (int)randomCatch.y + 1);
                    hitBoids.CatchBoid(hitColliders[i], catchSize);
                }
            }
            else
            {
                hit.transform.GetComponent<IDamageable>()?.TakeDamage(power);
            }

            if (marker)
            {
                Destroy(marker);
            }
        }
        
        #endregion
    }
}