using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// ============================================================================
// COST CALCULATION CONTEXT - Holds user stats for cost calculations
// ============================================================================

/// <summary>
/// Context containing user stats needed for cost calculations
/// Allows ability cost calculation without direct user reference
/// </summary>
public struct CostCalculationContext
{
    public float maxMana;
    public float maxHealth;
    public float currentMana;
    public float currentHealth;
    public float currentClassResource;

    public static CostCalculationContext FromUser(Taggable user)
    {
        var context = new CostCalculationContext();

        var mana = user.GetComponent<Mana>();
        if (mana != null)
        {
            context.maxMana = mana.GetMaxValue();
            context.currentMana = mana.GetCurrentValue();
        }

        var health = user.GetComponent<Health>();
        if (health != null)
        {
            context.maxHealth = health.GetMaxValue();
            context.currentHealth = health.GetCurrentValue();
        }

        var classResource = user.GetComponent<ClassResource>();
        if (classResource != null)
        {
            context.currentClassResource = classResource.GetCurrentValue();
        }

        return context;
    }

    public static CostCalculationContext CreateMockContext(float maxMana = 100f, float maxHealth = 100f)
    {
        return new CostCalculationContext
        {
            maxMana = maxMana,
            maxHealth = maxHealth,
            currentMana = maxMana,
            currentHealth = maxHealth,
            currentClassResource = 100f
        };
    }
}