using System;
using System.Reflection;
using UnityEditor;
using UnityEngine;

/// <summary>
/// 跨程序集桥接调用 UIAtlasPreloadMapBuilder.Build。
/// 避免 Editor 默认程序集与 Main.asmdef 之间的静态引用问题。
/// </summary>
public static class UIAtlasPreloadMapBuildBridge
{
    private const string BuilderTypeName = "UIAtlasPreloadMapBuilder";
    private const string BuildMethodName = "Build";

    public static bool TryBuild(string source)
    {
        try
        {
            var builderType = FindBuilderType();
            if (builderType == null)
            {
                Debug.LogWarning($"[UIAtlasPreloadMapBuildBridge] 未找到类型 {BuilderTypeName}，source={source}");
                return false;
            }

            var buildMethod = builderType.GetMethod(BuildMethodName, BindingFlags.Public | BindingFlags.Static);
            if (buildMethod == null)
            {
                Debug.LogWarning($"[UIAtlasPreloadMapBuildBridge] 未找到方法 {BuilderTypeName}.{BuildMethodName}，source={source}");
                return false;
            }

            buildMethod.Invoke(null, null);
            AssetDatabase.Refresh();
            Debug.Log($"[UIAtlasPreloadMapBuildBridge] 已执行 {BuilderTypeName}.{BuildMethodName}，source={source}");
            return true;
        }
        catch (Exception ex)
        {
            Debug.LogError($"[UIAtlasPreloadMapBuildBridge] 执行失败，source={source}, error={ex}");
            return false;
        }
    }

    private static Type FindBuilderType()
    {
        // 先用全局类型查找
        var type = Type.GetType(BuilderTypeName);
        if (type != null)
            return type;

        // 再遍历所有已加载程序集，兼容 asmdef 拆分
        var assemblies = AppDomain.CurrentDomain.GetAssemblies();
        for (int i = 0; i < assemblies.Length; i++)
        {
            var t = assemblies[i].GetType(BuilderTypeName, throwOnError: false, ignoreCase: false);
            if (t != null)
                return t;
        }

        return null;
    }
}