using CloudPrint.Client.Models;
using System.IO;

namespace CloudPrint.Client.Services.Printing;

internal static class PrintFileGuards
{
    public static void EnsurePrintableFile(PrintJob job)
    {
        ArgumentNullException.ThrowIfNull(job);

        if (string.IsNullOrWhiteSpace(job.PrinterName))
        {
            throw new InvalidOperationException("打印机名称不能为空");
        }

        if (string.IsNullOrWhiteSpace(job.FilePath) || !File.Exists(job.FilePath))
        {
            throw new FileNotFoundException("待打印文件不存在", job.FilePath);
        }
    }
}