using MyCollections.DesignPatterns.Visitor;
using MyCollections.Stats;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
[CreateAssetMenu(menuName = "Item/Potion")]
public class Potion : Item, IVisitor
{
    public enum OperatorType { Add, Multiply }
    [SerializeField] private StatType statType = StatType.Attack;
    [SerializeField] private OperatorType operatorType = OperatorType.Add;
    [SerializeField] private int value = 10;
    [SerializeField] private float duration = 5f;
    public void Visit<T>(T visitable) where T : Component, IVisitable
    {
        if (visitable is PlayerController controller)
        {
            if(CanApply(statType, controller))
                ApplyStatsEffect(controller);
        }
    }
    private void ApplyStatsEffect(PlayerController controller)
    {
        StatModifier modifier = operatorType switch
        {
            OperatorType.Add => new BasicStatModifier(statType, duration, v => v + value),
            OperatorType.Multiply => new BasicStatModifier(statType, duration, v => v * value),
            _ => throw new ArgumentOutOfRangeException()
        };
        controller.Stats.Mediator.AddModifier(modifier);
        Debug.Log($"Added modifier: {modifier}");
    }
    private bool CanApply(StatType statType, PlayerController controller)
    {
        switch (statType)
        {
            case StatType.Attack:
                return true;
            case StatType.Health:
                return controller.Health != controller.MaxHealth;
            case StatType.Mana:
                return true;
        }
        return true;
    }
}