using System.IO;
using Xunit;

namespace XWorld.PublishTool.Tests
{
    public class MiniGameHostUiTests
    {
        // Unity 2022.2+ 移除了内置 Arial.ttf，GetBuiltinResource("Arial.ttf") 会抛
        // ArgumentException，导致结算弹框构建中断（只剩遮罩无文字无按钮）。
        [Fact]
        public void MiniGameHost_UsesLegacyRuntimeFont_NotRemovedArial()
        {
            string source = File.ReadAllText(Path.Combine(
                RepoRoot(),
                "Client",
                "Assets",
                "Script",
                "xmain",
                "MiniGame",
                "MiniGameHost.cs"));

            Assert.DoesNotContain("Arial.ttf", source);
            Assert.Contains("LegacyRuntime.ttf", source);
        }

        // 结算弹框须走标准 UGUI 预设(JSON→Prefab 管线产物)+ 异步加载,代码构建仅作回退。
        [Fact]
        public void MiniGameHost_LoadsResultDialogPrefab_Async()
        {
            string source = File.ReadAllText(Path.Combine(
                RepoRoot(),
                "Client",
                "Assets",
                "Script",
                "xmain",
                "MiniGame",
                "MiniGameHost.cs"));

            Assert.Contains("UI_MiniGameResult.prefab", source);
            Assert.Contains("coLoadRes", source); // 项目规则:资源一律异步加载

            // 预设的 JSON 描述文件必须存在(Doc/UIPrefabCreater 管线输入)
            Assert.True(File.Exists(Path.Combine(
                RepoRoot(), "Doc", "UIPrefabCreater", "UI_MiniGameResult.json")));
        }

        private static string RepoRoot()
        {
            var dir = new DirectoryInfo(Directory.GetCurrentDirectory());
            while (dir != null)
            {
                if (File.Exists(Path.Combine(dir.FullName, "Client", "Assets", "MiniGames", "RockPaperScissors", "publish.json")))
                    return dir.FullName;
                dir = dir.Parent;
            }

            throw new DirectoryNotFoundException("Could not locate repo root.");
        }
    }
}