#if UNITY_EDITOR || DEVELOPMENT_BUILD
using System;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
using TMPro;
using BaseGames.Core;
using BaseGames.Core.Events;
using BaseGames.Player;
using BaseGames.Player.States;
using BaseGames.Enemies;
using BaseGames.Combat;

/// <summary>
/// 调试作弊控制台（仅 UNITY_EDITOR 或 DEVELOPMENT_BUILD 下编译）。
/// 按反引号键（`）呼出/隐藏输入框，输入指令后按 Enter 执行。
/// 指令格式：指令名 [参数1] [参数2] ...
/// </summary>
public class DebugCheatSystem : MonoBehaviour
{
    [Header("UI 引用")]
    [SerializeField] private GameObject    _consoleRoot;
    [SerializeField] private TMP_InputField _inputField;
    [SerializeField] private TMP_Text       _outputText;

    [Header("事件频道")]
    [SerializeField] private VoidEventChannelSO _onPlayerRevive;

    private bool _visible;

    private void Update()
    {
        if (UnityEngine.Input.GetKeyDown(KeyCode.BackQuote))
            Toggle();

        if (_visible && _inputField != null && UnityEngine.Input.GetKeyDown(KeyCode.Return))
            ExecuteCommand(_inputField.text);
    }

    private void Toggle()
    {
        _visible = !_visible;
        if (_consoleRoot != null) _consoleRoot.SetActive(_visible);
        if (_visible && _inputField != null)
        {
            _inputField.text = string.Empty;
            _inputField.Select();
            _inputField.ActivateInputField();
        }
    }

    private void ExecuteCommand(string raw)
    {
        if (string.IsNullOrWhiteSpace(raw)) return;
        _inputField.text = string.Empty;
        _inputField.ActivateInputField();

        string[] parts = raw.Trim().Split(' ', StringSplitOptions.RemoveEmptyEntries);
        if (parts.Length == 0) return;

        string cmd = parts[0].ToLowerInvariant();
        string result;

        try
        {
            result = cmd switch
            {
                "help"       => "指令: heal | addlingzhu [n] | godmode | ungodmode | unlock [ability] | killall | scene [name] | revive",
                "heal"       => CmdHeal(),
                "addlingzhu" => CmdAddLingZhu(parts),
                "godmode"    => CmdGodMode(true),
                "ungodmode"  => CmdGodMode(false),
                "unlock"     => CmdUnlock(parts),
                "killall"    => CmdKillAll(),
                "scene"      => CmdLoadScene(parts),
                "revive"     => CmdRevive(),
                _            => $"未知指令: {cmd}",
            };
        }
        catch (Exception ex)
        {
            result = $"[错误] {ex.Message}";
        }

        Log(result);
    }

    // ── 指令实现 ──────────────────────────────────────────────────────────────
    private string CmdHeal()
    {
        var player = FindFirstObjectByType<PlayerController>();
        if (player == null) return "找不到 PlayerController";
        player.Stats.FullHeal();
        return "HP 已满";
    }

    private string CmdAddLingZhu(string[] parts)
    {
        int amount = parts.Length > 1 && int.TryParse(parts[1], out int v) ? v : 100;
        var player = FindFirstObjectByType<PlayerController>();
        if (player == null) return "找不到 PlayerController";
        player.Stats.AddLingZhu(amount);
        return $"增加 LingZhu: {amount}";
    }

    private string CmdGodMode(bool on)
    {
        var player = FindFirstObjectByType<PlayerController>();
        if (player == null) return "找不到 PlayerController";
        player.Stats.SetGodMode(on);
        return on ? "无敌模式 ON" : "无敌模式 OFF";
    }

    private string CmdUnlock(string[] parts)
    {
        if (parts.Length < 2) return "用法: unlock [AbilityType]";
        if (!Enum.TryParse<AbilityType>(parts[1], true, out var abilityType))
            return $"未知能力: {parts[1]}（可用：{string.Join(", ", Enum.GetNames(typeof(AbilityType)))}）";
        var player = FindFirstObjectByType<PlayerController>();
        if (player == null) return "找不到 PlayerController";
        player.Stats.UnlockAbility(abilityType);
        return $"解锁能力: {abilityType}";
    }

    private string CmdKillAll()
    {
        var enemies = FindObjectsByType<EnemyBase>(FindObjectsSortMode.None);
        var dmg = new DamageInfo.Builder().SetRaw(999999).Build();
        foreach (var e in enemies) e.TakeDamage(dmg);
        return $"已击杀 {enemies.Length} 个敌人";
    }

    private string CmdLoadScene(string[] parts)
    {
        if (parts.Length < 2) return "用法: scene [SceneName]";
        SceneManager.LoadScene(parts[1]);
        return $"加载场景: {parts[1]}";
    }

    private string CmdRevive()
    {
        _onPlayerRevive?.Raise();
        return "已触发玩家复活事件";
    }

    private void Log(string msg)
    {
        Debug.Log($"[Cheat] {msg}");
        if (_outputText != null)
        {
            _outputText.text = $"> {msg}";
        }
    }
}
#endif