using Movement;
using WeaponWork;
using System;
using UnityEngine;

namespace Core
{
    [RequireComponent(typeof(Rigidbody2D)), DisallowMultipleComponent()]
    public sealed class Unit : MonoBehaviour, IActor, IProvider<IHealth>, IProvider<IWeapon>, IProvider<Motor>, ITeamProvider
    {
        [SerializeField] private ControllerType _controllerType;
        [SerializeField] private int _maxHealth;
        [SerializeField] private string _name;

        [SerializeField] private float _speed;
        [SerializeField] private float _rotationSpeed;
        [SerializeField] private int _teamNumber;
        [SerializeField] private bool _canChangeTeam;

        private Transform _cached;
        private Rigidbody2D _cachedRigidbody;
        private IHealth _health;
        private IWeapon _weapon;
        private Motor _motor;
        private IController _controller;

        private void Awake()
        {
            _cached = transform;
            _cachedRigidbody = GetComponent<Rigidbody2D>();
            _motor = new Motor(_speed, _rotationSpeed, this, transform, _cachedRigidbody);
            _health = new Health(_maxHealth, _maxHealth);

            if (!transform.TryGetComponentInChildren<IWeapon>(out _weapon))
            {
                Debug.LogWarning($"Unit: {_name} does not have weapon");
            }

            var comps = transform.GetComponentsInChildren<IActorComponent>(true);
            for (int i = 0, length = comps.Length; i < length; i++)
            {
                comps[i].Actor = this;
            }
        }

        public Vector2 Position => _cached.position;

        public float Rotation => _cached.eulerAngles.z;

        public IController Controller => _controller;

        public string Name => _name;

        public ref IHealth Value => ref _health;

        ref IWeapon IProvider<IWeapon>.Value => ref _weapon;

        ref  Motor IProvider<Motor>.Value => ref _motor;

        public float Scale => throw new NotImplementedException();

        public int TeamNumber => _teamNumber;

        public event Action<IController, IController> OnControllerChange;
        public event Action<int, int> OnTeamNumberChange;

        private enum ControllerType
        {
            PlayerOnly,
            PlayerAndAI,
            AIOnly
        }
    }
}