using System.Threading;
using System.Threading.Tasks;
using LaDOSE.Business.Interface;
using LaDOSE.Entity;

namespace LaDOSE.Business.Provider.SheetsProvider
{
    /// <summary>
    /// The default when GoogleSheets:Writer names nothing usable. Reports itself as
    /// unconfigured so the API answers 503 with a message the user can act on, rather than
    /// throwing a NullReferenceException that reaches the browser as an HTML developer page.
    /// </summary>
    public class DisabledSheetsWriter : ISheetsWriter
    {
        public string Name => "Disabled";

        public bool IsConfigured => false;

        public Task<SheetExportResult> WriteTablesAsync(SheetExportRequest request, CancellationToken ct = default)
        {
            throw new SheetsExportException(503,
                "Google Sheets export is not configured on the server. Set GoogleSheets:Writer.");
        }
    }
}