using Xunit;
using XWorld.PublishTool;
using XGame.MiniGame;

namespace XWorld.PublishTool.Tests
{
    public class ClientServerDigestConsistencyTests
    {
        [Fact]
        public void ClientDigest_Matches_ServerDigest_ForSameFilesTxt()
        {
            // 服务端发布侧：构建清单、渲染 files.txt、算 digest（被签名的就是这个 digest）
            var server = new FilesManifest();
            server.Add("RPS.Core.dll.bytes", "aaa111bbb222ccc333ddd444eee555ff", 100);
            server.Add("RPS.Client.dll.bytes", "11112222333344445555666677778888", 200);
            server.Add("ui_rps.unity3d", "ffffeeeeddddccccbbbbaaaa99998888", 4096);
            string filesTxt = server.Render();
            string serverDigest = server.Digest();

            // 客户端下载侧：拿到同一份 files.txt → LoadFilesList → Digest（验签时重算的就是这个）
            var client = new MiniGameManifest();
            client.LoadFilesList(filesTxt);
            string clientDigest = client.Digest();

            Assert.Equal(serverDigest, clientDigest); // 两端逐字节一致 → 签名可验
            Assert.NotEqual("", clientDigest);
        }

        [Fact]
        public void ClientDigest_IsOrderIndependent_LikeServer()
        {
            // 不同插入顺序，digest 应相同（两端都按 name Ordinal 排序）
            var s1 = new FilesManifest(); s1.Add("b", "22", 2); s1.Add("a", "11", 1);
            var s2 = new FilesManifest(); s2.Add("a", "11", 1); s2.Add("b", "22", 2);
            var c1 = new MiniGameManifest(); c1.LoadFilesList(s1.Render());
            var c2 = new MiniGameManifest(); c2.LoadFilesList(s2.Render());
            Assert.Equal(c1.Digest(), c2.Digest());
            Assert.Equal(s1.Digest(), c1.Digest());
        }
    }
}