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

public class Stats : MonoBehaviour
{
    [Header("--- 기본 능력치 ---")]
    [SerializeField] private float baseMaxHealth = 100f;
    [SerializeField] private float baseMoveSpeed = 5f;
    [SerializeField] private float baseStrength = 10f;
    [SerializeField] private float baseAttackDamage = 10f;

    /* =========================
     * 보너스 능력치 (카드 / 레벨업)
     * ========================= */
    [Header("--- 보너스 능력치 ---")]
    public float bonusMaxHealth;
    public float bonusMoveSpeed;
    public float bonusStrength;
    public float bonusAttackDamage;

    /* =========================
     * 밸런스 설정
     * ========================= */
    [Header("--- 밸런스 설정 (인스펙터) ---")]
    [Tooltip("무게 1당 줄어드는 이동 속도")]
    [SerializeField] private float weightToSpeedPenalty = 0.1f;
    [SerializeField] private float runSpeedMultiplier = 1.5f;

    private float _weightPenalty = 0f;

    /* =========================
     * 최종 능력치 (읽기 전용 / 인스펙터 표시용)
     * ========================= */
    [Header("--- 최종 능력치 (Read Only) ---")]
    [SerializeField] private float finalMaxHealth;
    [SerializeField] private float finalMoveSpeed;
    [SerializeField] private float finalStrength;
    [SerializeField] private float finalAttackDamage;

    private void Update()
    {
        // ⭐ 인스펙터 표시용 계산
        finalMaxHealth = MaxHealth;
        finalMoveSpeed = CurrentMoveSpeed;
        finalStrength = Strength;
        finalAttackDamage = BaseAttackDamage;
    }

    /* =========================
     * 실제 게임 로직용 프로퍼티
     * ========================= */
    public float MaxHealth => baseMaxHealth + bonusMaxHealth;
    public float Strength => baseStrength + bonusStrength;
    public float BaseAttackDamage => baseAttackDamage + bonusAttackDamage;

    public float CurrentMoveSpeed =>
        Mathf.Max(1f, baseMoveSpeed + bonusMoveSpeed - _weightPenalty);

    public float CurrentRunSpeed => CurrentMoveSpeed * runSpeedMultiplier;

    /* =========================
     * 외부에서 호출
     * ========================= */
    public void AddMaxHealth(float value) => bonusMaxHealth += value;
    public void AddMoveSpeed(float value) => bonusMoveSpeed += value;
    public void AddStrength(float value) => bonusStrength += value;
    public void AddAttackDamage(float value) => bonusAttackDamage += value;

    public void UpdateWeaponWeight(float requiredStrength)
        => _weightPenalty = requiredStrength * weightToSpeedPenalty;

    public void ResetWeight() => _weightPenalty = 0f;
}