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

public class PlayerStatusManager : MonoBehaviour
{
    public static PlayerStatusManager Instance { get; private set; }

    [Header("Codingモード用 入力設定")]
    [SerializeField] private InputActionProperty zlButtonAction;
    [SerializeField] private InputActionProperty zrButtonAction;

    [Header("ゲージ設定")]
    [SerializeField] private float maxGauge = 100f;
    [SerializeField] private float currentGauge = 0f;

    [Header("表示UI設定")]
    [Tooltip("ミニゲーム画面をまとめている親オブジェクトを指定してください")]
    [SerializeField] private GameObject codingModeUI;

    [Header("バフパラメータ設定")]
    [SerializeField] private float buffDuration = 10f;
    [SerializeField] private float attackBuffMultiplier = 1.5f;
    [SerializeField] private float defenseBuffMultiplier = 0.5f;
    [SerializeField] private float hpHealAmount = 30f;

    private float attackBuffTimer = 0f;
    private float defenseBuffTimer = 0f;
    private bool isCodingMode = false;

    public bool IsAttackBuffActive => attackBuffTimer > 0f;
    public bool IsDefenseBuffActive => defenseBuffTimer > 0f;
    public float CurrentAttackMultiplier => IsAttackBuffActive ? attackBuffMultiplier : 1.0f;
    public float CurrentDefenseMultiplier => IsDefenseBuffActive ? defenseBuffMultiplier : 1.0f;

    private void Awake()
    {
        if (Instance == null) { Instance = this; }
        else { Destroy(gameObject); }
    }

    private void OnEnable()
    {
        if (zlButtonAction.action != null) zlButtonAction.action.Enable();
        if (zrButtonAction.action != null) zrButtonAction.action.Enable();
    }

    private void OnDisable()
    {
        if (zlButtonAction.action != null) zlButtonAction.action.Disable();
        if (zrButtonAction.action != null) zrButtonAction.action.Disable();
    }

    private void Start()
    {
        if (codingModeUI != null) codingModeUI.SetActive(false);
    }

    private void Update()
    {
        CheckComboInput();

        if (!isCodingMode)
        {
            UpdateBuffTimers();
        }
    }

    public void AddGauge(float amount)
    {
        if (isCodingMode) return;
        currentGauge += amount;
        currentGauge = Mathf.Clamp(currentGauge, 0f, maxGauge);
        Debug.Log($"🔋 共通ゲージ増加: {currentGauge} / {maxGauge}");
    }

    private void CheckComboInput()
    {
        if (zlButtonAction.action == null || zrButtonAction.action == null) return;

        bool zlPressed = zlButtonAction.action.triggered && zlButtonAction.action.ReadValue<float>() > 0.5f;
        bool zrPressed = zrButtonAction.action.triggered && zrButtonAction.action.ReadValue<float>() > 0.5f;

        if (!isCodingMode && currentGauge >= maxGauge)
        {
            if ((zlPressed && zrButtonAction.action.ReadValue<float>() > 0.5f) || 
                (zrPressed && zlButtonAction.action.ReadValue<float>() > 0.5f))
            {
                StartCodingMode();
            }
        }
    }

    private void StartCodingMode()
    {
        isCodingMode = true;
        Time.timeScale = 0f; // 時間停止

        if (codingModeUI != null)
        {
            codingModeUI.SetActive(true);
            // ★新設：画面が開いた瞬間にミニゲームの盤面をランダム生成してリセットする
            CodingModeGridManager gridManager = codingModeUI.GetComponentInChildren<CodingModeGridManager>();
            if (gridManager != null) gridManager.ResetAndGenerateMinigame();
        }
    }

    /// <summary>
    /// ★ミニゲームクリア時：獲得したバフリストをすべて適用して現実世界を再開する
    /// </summary>
    public void CompleteCodingMode(List<string> earnedBuffs)
    {
        Debug.Log("💻 【ハッキング成功】 ミニゲームクリア！現実世界に復帰します。");
        
        foreach (string buff in earnedBuffs)
        {
            ActivateBuffByName(buff);
        }

        ResumeGameplay();
    }

    /// <summary>
    /// ★ミニゲーム失敗時：失敗ゾーン接触による強制終了処理（バフなしで復帰）
    /// </summary>
    public void FailCodingMode()
    {
        Debug.Log("🚨 【ハッキング強制失敗】 失敗ゾーンに接触しました。バフなしで復帰します。");
        ResumeGameplay();
    }

    private void ResumeGameplay()
    {
        isCodingMode = false;
        Time.timeScale = 1f; // 時間再開

        if (codingModeUI != null) codingModeUI.SetActive(false);
        currentGauge = 0f; // ゲージ消費
    }

    private void ActivateBuffByName(string buffName)
    {
        switch (buffName)
        {
            case "AttackUp":
                attackBuffTimer = buffDuration;
                Debug.Log($"⚔️ 攻撃力UPが適用されました。効果時間: {buffDuration}秒");
                break;
            case "DefenseUp":
                defenseBuffTimer = buffDuration;
                Debug.Log($"🛡️ 防御力UPが適用されました。効果時間: {buffDuration}秒");
                break;
            case "Heal":
                Debug.Log($"💚 HP回復が適用されました。回復量: {hpHealAmount}");
                // ※将来の拡張：PlayerHealth.Instance.Heal(hpHealAmount);
                break;
        }
    }

    private void UpdateBuffTimers()
    {
        if (attackBuffTimer > 0f)
        {
            attackBuffTimer -= Time.deltaTime;
            if (attackBuffTimer <= 0f) Debug.Log("⚔️ 攻撃力UPバフの効果が終了しました。");
        }

        if (defenseBuffTimer > 0f)
        {
            defenseBuffTimer -= Time.deltaTime;
            if (defenseBuffTimer <= 0f) Debug.Log("🛡️ 防御力UPバフの効果が終了しました。");
        }
    }
}