using System;
using Sirenix.OdinInspector;
using UnityEngine;
using UnityEngine.InputSystem;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    [RequireComponent(typeof(PlayerInput))]
    public class Player : BaseCharacter, IDamageable, IView
    {
        protected PlayerInput playerInput;
        protected Vector2 movementInput;

        protected override void Awake()
        {
            base.Awake();

            playerInput = GetComponent<PlayerInput>();
        }

        public virtual void TakeDamage(float attackerPower, Vector3? attackPos = null)
        {
            throw new System.NotImplementedException();
        }

        public virtual void Die()
        {
            throw new NotImplementedException();
        }

        public virtual void OnMove(InputValue value) // WASD
        {
            movementInput = value.Get<Vector2>();
        }

        #region Interfaces

        // IView
        [field: Title("IView")]
        [field: SerializeField] public float ViewRadius { get; set; } = 15f;
        [field: SerializeField] public float AtkRange { get; set; } = 1.5f;
        [field: SerializeField] public Collider[] Targets { get; set; } = new Collider[MAX_COLLIDERS];
        [field: SerializeField] public Collider Target { get; set; }
        [field: SerializeField] public LayerMask TargetLayer { get; set; }
        
        protected const int MAX_COLLIDERS = 30;
        
        public virtual void FindNearestTargetInRange(Vector3 centerPos, bool targetIsTrigger = true)
        {
            Array.Clear(Targets, 0, MAX_COLLIDERS);
            
            var numResults = Physics.OverlapSphereNonAlloc(centerPos, ViewRadius, Targets, TargetLayer,
                targetIsTrigger ? QueryTriggerInteraction.Collide : QueryTriggerInteraction.Ignore);

            if (numResults <= 0)
            {
                SetTarget(null);
                return;
            }

            var nearestDistance = ViewRadius * ViewRadius;
            Collider nearestTargetCollider = null;

            for (var i = 0; i < numResults; i++)
            {
                var distanceSqrToTarget = (centerPos - Targets[i].bounds.center).sqrMagnitude;

                if (distanceSqrToTarget >= nearestDistance) continue;

                nearestDistance = distanceSqrToTarget;
                nearestTargetCollider = Targets[i];
            }

            SetTarget(nearestTargetCollider);
        }

        public virtual void SetTarget(Collider value)
        {
            Target = value;
        }

        public virtual bool IsTargetWithinRange(Vector3 centerPos, float range)
        {
            var inRange = Vector3.Distance(centerPos, Target.bounds.center) <= range;
            return inRange;
        }

        public virtual void MoveTarget(Vector3 targetPos, float speed, float stopDistance = Single.MaxValue)
        {
            throw new NotImplementedException();
        }

        #endregion
    }
}