using UnityEngine;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    public class CombatSkillController : MonoBehaviour
    {
        // Components
        [SerializeField] private BaseSkill mainSkill;
        private BaseSkill instantiateMainSkill;
        private Collider col;
        private Rigidbody rb;
        private Transform visualLook;
        private Animator anim;
        
        // Interfaces
        private IMeleeComboAttackable iMeleeComboAttackable;
        
        // Variables
        private bool enableSkill = true;
        private bool isActivatingSkill;
        
        // Events
        public delegate void StartSkillEvent();
        public event StartSkillEvent OnStartSkill;
        
        public delegate void EndSkillEvent();
        public event EndSkillEvent OnEndSkill;

        // Unity events
        private void Start()
        {
            iMeleeComboAttackable = GetComponent<IMeleeComboAttackable>();

            InitSkill();
        }

        // Init methods
        public void InitComponent(Collider collider, Rigidbody rigidbody, Transform visualLook, Animator animator)
        {
            col = collider;
            rb = rigidbody;
            this.visualLook = visualLook;
            anim = animator;
        }

        private void InitSkill()
        {
            instantiateMainSkill = Instantiate(mainSkill);
            if (instantiateMainSkill == null) return;
            
            var targetLayer = iMeleeComboAttackable.TargetLayer;
            var ui = CombatUiManager.Inst.MainSkillUi;
            ui.ResetSkillUi();
            ui.gameObject.SetActive(true);
            
            instantiateMainSkill.SkillInputData.InitInputData(transform, col, rb, null, visualLook, anim, null, targetLayer, ui);
        }

        // Events methods
        public void HandleEnableSkill() => enableSkill = true;
        public void HandleDisableSkill() => enableSkill = false;

        public void HandleMainSkill()
        {
            if (!CanSkill()) return;

            StartSkill();
            instantiateMainSkill.ActivateSkill(EndSkill);
        }
        
        // Methods
        private bool CanSkill()
        {
            if (!enableSkill || isActivatingSkill) return false;
            
            instantiateMainSkill.SkillInputData.StartPosition = rb.position;
            var enableMainSkill = instantiateMainSkill.EnableSkill();

            return enableMainSkill;
        }

        private void StartSkill()
        {
            // 이동, 공격, 대쉬 X 이벤트
            OnStartSkill?.Invoke();
            enableSkill = false;
            isActivatingSkill = true;
            rb.velocity = Vector3.zero;
        }

        private void EndSkill()
        {
            // 이동, 공격, 대쉬 O 이벤트
            OnEndSkill?.Invoke();
            enableSkill = true;
            isActivatingSkill = false;
        }
    }
}