using System.Collections.Generic;
using UnityEngine;
using Northbound.Data;

namespace Northbound
{
    /// <summary>
    /// 플레이어 스탯 계산 컴포넌트
    /// 기본 스탯 + 업그레이드 보너스를 계산하여 반환
    /// </summary>
    public class PlayerStats : MonoBehaviour
    {
        [Header("Base Stats")]
        [SerializeField] private int baseMaxHp = 100;
        [SerializeField] private int baseDamage = 10;
        [SerializeField] private int baseCapacity = 100;
        [SerializeField] private float baseManpower = 10f;
        [SerializeField] private float baseMoveSpeed = 5f;
        [SerializeField] private float baseSight = 10f;
        [SerializeField] private float baseAttackRange = 2f;

        private PlayerUpgradeManager _upgradeManager;

        private void Awake()
        {
            _upgradeManager = GetComponent<PlayerUpgradeManager>();
        }

        /// <summary>
        /// 특정 스탯에 대한 업그레이드 보너스 계산 (ADD만 지원)
        /// </summary>
        private float CalculateStatBonus(string statName)
        {
            float bonus = 0f;

            if (_upgradeManager == null)
                return bonus;

            var ownedUpgrades = _upgradeManager.GetOwnedUpgradeData();

            foreach (var upgrade in ownedUpgrades)
            {
                if (upgrade == null) continue;

                // effectStatList에서 해당 스탯 찾기
                for (int i = 0; i < upgrade.effectStatList.Count; i++)
                {
                    if (i >= upgrade.effectOpList.Count || i >= upgrade.effectValueList.Count)
                        continue;

                    if (upgrade.effectStatList[i] == statName)
                    {
                        string op = upgrade.effectOpList[i];
                        float value = upgrade.effectValueList[i];

                        // ADD 연산만 지원
                        if (op == "add")
                        {
                            bonus += value;
                        }
                    }
                }
            }

            return bonus;
        }

        /// <summary>
        /// 최대 체력 반환
        /// </summary>
        public int GetMaxHp()
        {
            float bonus = CalculateStatBonus("player_max_hp");
            return baseMaxHp + (int)bonus;
        }

        /// <summary>
        /// 공격력 반환
        /// </summary>
        public int GetDamage()
        {
            float bonus = CalculateStatBonus("player_atk_damage");
            return baseDamage + (int)bonus;
        }

        /// <summary>
        /// 자원 용량 반환
        /// </summary>
        public int GetCapacity()
        {
            float bonus = CalculateStatBonus("player_capacity");
            return baseCapacity + (int)bonus;
        }

        /// <summary>
        /// 노동력(건설/채굴 작업량) 반환
        /// </summary>
        public float GetManpower()
        {
            float bonus = CalculateStatBonus("player_manpower");
            return baseManpower + bonus;
        }

        /// <summary>
        /// 이동 속도 반환
        /// </summary>
        public float GetMoveSpeed()
        {
            float bonus = CalculateStatBonus("player_move_speed");
            // move_speed는 mul 연산이지만, 우선 ADD만 지원하므로 add로 처리
            return baseMoveSpeed + bonus;
        }

        /// <summary>
        /// 시야 범위 반환
        /// </summary>
        public float GetSight()
        {
            float bonus = CalculateStatBonus("player_sight");
            return baseSight + bonus;
        }

        /// <summary>
        /// 공격 범위 반환
        /// </summary>
        public float GetAttackRange()
        {
            float bonus = CalculateStatBonus("player_atk_range");
            return baseAttackRange + bonus;
        }

        #region Base Stat Setters (에디터/초기화용)

        public void SetBaseMaxHp(int value) => baseMaxHp = value;
        public void SetBaseDamage(int value) => baseDamage = value;
        public void SetBaseCapacity(int value) => baseCapacity = value;
        public void SetBaseManpower(float value) => baseManpower = value;
        public void SetBaseMoveSpeed(float value) => baseMoveSpeed = value;
        public void SetBaseSight(float value) => baseSight = value;
        public void SetBaseAttackRange(float value) => baseAttackRange = value;

        #endregion
    }
}