using System.Net;
using ParadoxSaveParser.WebAPI.HttpHelpers;

namespace ParadoxSaveParser.WebAPI.Routes;

internal class GetSaveStatusHandler : RouteHandlerBase
{
    public GetSaveStatusHandler(CancellationToken cancelAllToken) 
        : base(cancelAllToken)
    {
    }

    public override async Task<HttpStatusCode> HandleRequest(
        HttpListenerContext ctx, ContextLogger requestLogger)
    {
        var idOrError = RequestHelper.GetQueryValue(ctx, "id");
        if (idOrError.HasError)
            return await ReturnHelper.ResponseError(ctx, requestLogger, _cancelAllToken, idOrError.Error!);
        string id = idOrError.Value!;
        
        if (!Program._saveMetadataStorage.TryGetValue(id, out var meta))
            return await ReturnHelper.ResponseError(ctx, requestLogger, _cancelAllToken,
                new ErrorMessage(HttpStatusCode.InternalServerError, 
                    $"Save with id {id} not found")
                );

        return await ReturnHelper.ResponseJson(ctx, requestLogger, _cancelAllToken, meta);
    }
}