using CloudPrint.Client.Models;

namespace CloudPrint.Client.Services.Grpc;

public static class CloudPrintGrpcMapper
{
    public static PrintJob ToPrintJob(Cloudprint.PrintJob backendJob)
    {
        var orderItem = backendJob.OrderItem;
        var file = orderItem?.File;

        return new PrintJob
        {
            Id = backendJob.Id,
            JobNo = backendJob.JobNo,
            PrinterId = backendJob.PrinterId,
            OrderItemId = backendJob.OrderItemId,
            FileName = file?.FileName ?? backendJob.JobNo,
            FilePath = file?.FilePath ?? string.Empty,
            FileId = orderItem?.FileId ?? 0,
            Copies = Math.Max(1, orderItem?.Copies ?? 1),
            Color = orderItem?.Color ?? false,
            Duplex = orderItem?.Duplex ?? false,
            PageRange = string.IsNullOrWhiteSpace(orderItem?.PageRange) ? "all" : orderItem.PageRange,
            Status = FromBackendStatus(backendJob.Status),
            Progress = backendJob.Progress,
            ErrorMessage = backendJob.ErrorMsg
        };
    }

    public static string ToBackendStatus(PrintJobStatus status)
    {
        return status switch
        {
            PrintJobStatus.Pending => "pending",
            PrintJobStatus.Printing => "printing",
            PrintJobStatus.Completed => "completed",
            PrintJobStatus.Failed => "failed",
            PrintJobStatus.Cancelled => "cancelled",
            _ => "pending"
        };
    }

    private static PrintJobStatus FromBackendStatus(string status)
    {
        return status?.ToLowerInvariant() switch
        {
            "printing" => PrintJobStatus.Printing,
            "completed" => PrintJobStatus.Completed,
            "failed" => PrintJobStatus.Failed,
            "cancelled" => PrintJobStatus.Cancelled,
            _ => PrintJobStatus.Pending
        };
    }
}