using Kryz.CharacterStats.Examples;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

public class Mana : Resource
{
    CharacterStats character;

    public UnityEvent<float> onMaxManaChanged = new UnityEvent<float>();


    private bool noCost = false;
    public bool NoCost => noCost;

    public UnityEvent<bool> OnNoManaCostStateChanged = new UnityEvent<bool>();

    private void Awake()
    {
        character = GetComponent<CharacterStats>();

        baseFlatRegen = flatRegen;

        character.onUpdateStatValues.AddListener(CalculateMaxValueBasedOnStat);
    }

    protected override void Start()
    {
        base.Start();
    }

    public void SetNoCostState(bool noManaCost)
    {
        noCost = noManaCost;
        OnNoManaCostStateChanged.Invoke(noCost);
    }

    public override void ChangeValue(float value)
    {
        if (noCost && value < 0) return;

        currentValue += value;

        currentValue = Mathf.Clamp(currentValue, 0, maxValue);

        onResourceChanged.Invoke(currentValue);
    }

    public override float GetMaxValue()
    {

        return base.GetMaxValue();
    }

    public bool EnoughMana(float cost)
    {
        if (noCost) return true;

        return cost <= currentValue;
    }

    public void CalculateMaxValueBasedOnStat()
    {
        maxValue = baseMaxValue + character.Intelligence.Value * GameConstants.CharacterStatsBalancing.IntelligenceToManaRate;

        CalculateRegenValueBasedOnStat();

        onMaxManaChanged.Invoke(maxValue);
    }
    public void CalculateRegenValueBasedOnStat()
    {
        flatRegen = baseFlatRegen + (character.Spirit.Value - character.Spirit.BaseValue) * GameConstants.CharacterStatsBalancing.BonusSpiritToFlatRegenRate;
        //percentRegen = (character.Spirit.Value - character.Spirit.BaseValue) * GameConstants.CharacterBalancing.BonusSpiritToPercentRegenRate;
    }

    public override void SetMaxValue(float value)
    {
        base.SetMaxValue(value);

        onMaxManaChanged.Invoke(maxValue);
    }
}