using game.PlayerDataStorage;
using Newtonsoft.Json.Linq;
using System.Globalization;

internal static class AdvertCompatibilityTests
{
    internal static void Run()
    {
        var snapshot = new PlayerKVSchemaSnapshot("nullable-advert-test", new[]{20001,30003}, new[]{1},
            new Dictionary<string,int>{{"None",0}}, CultureInfo.InvariantCulture, DateTime.UtcNow, 17);
        var raw = JObject.Parse(File.ReadAllText("CodexOutput/upserver/KVGameplayLoopTests/pf-source-backups/20260924T041802Z/102.json"));
        var advert = JObject.Parse((string)raw["data"]["VIPAdPackData"]);
        int assertions=0;
        void Check(bool value,string name) { if(!value) throw new InvalidOperationException(name); assertions++; }
        PlayerKVShopState Decode(JObject value, out PlayerKVSchemaDiagnostics diagnostics)
        {
            diagnostics=new PlayerKVSchemaDiagnostics();
            return PlayerKVSaveSchema.DecodeShop(new Dictionary<string,string>{{"VIPAdPackData",value.ToString()}},snapshot,diagnostics);
        }
        var state=Decode(advert,out var errors);
        Check(state!=null && errors.TotalErrors==0 && state.Vip.Time==null,"real saved explicit null must remain null");
        foreach(var text in new[]{"", "2026-09-24T01:02:03Z"})
        {
            var value=(JObject)advert.DeepClone(); value["cdTime"]=text;
            state=Decode(value,out errors);
            Check(state!=null && state.Vip.Time==text && errors.TotalErrors==0,"string unchanged");
        }
        foreach(var bad in new JToken[]{new JValue(1),new JValue(true),new JObject(),new JArray()})
        {
            var value=(JObject)advert.DeepClone(); value["cdTime"]=bad;
            Check(Decode(value,out errors)==null && errors.TotalErrors==1,"invalid time type rejected");
        }
        var missing=(JObject)advert.DeepClone(); missing.Remove("cdTime");
        Check(Decode(missing,out errors)==null && errors.TotalErrors==1,"missing time rejected");
        foreach(var field in new[]{"ID","index","day","isOpen"})
        {
            var value=(JObject)advert.DeepClone(); value[field]=JValue.CreateNull();
            Check(Decode(value,out errors)==null && errors.TotalErrors==1,"other null rejected: "+field);
            value=(JObject)advert.DeepClone(); value.Remove(field);
            Check(Decode(value,out errors)==null && errors.TotalErrors==1,"other missing rejected: "+field);
        }
        Console.WriteLine($"PASS M04-advert-null-compatibility assertions={assertions} requests=0");
    }
}