using Butter.Dtos.Jobs;
using Lactose.Jobs;

namespace Lactose.Mapper;

/// <summary>
/// Provides mapping methods for converting Job objects to DTOs.
/// </summary>
public static class JobMapper {
    /// <summary>
    /// Maps a Job to a JobStatusDto.
    /// </summary>
    /// <param name="job">The job to map.</param>
    /// <returns>A JobStatusDto representing the job.</returns>
    public static JobStatusDto ToJobStatusDto(this Job job) => new JobStatusDto() {
        Id           = job.Id,
        ParentJobId  = job.ParentJobId,
        Name         = job.Name,
        Status       = job.JobStatus.Status,
        Progress     = job.JobStatus.Progress,
        Message      = job.JobStatus.Message,
        Created      = job.JobStatus.Created,
        Started      = job.JobStatus.Started,
        Finished     = job.JobStatus.Finished,

        JobType = job switch {
            FileSystemCrawlJob => EJobType.FileSystemScan,
            ThumbnailJob       => EJobType.ThumbnailGeneration,
            PreviewJob         => EJobType.PreviewGeneration,
            IntegrityCheckJob  => EJobType.IntegrityCheck,
            PHashJob           => EJobType.PHashGeneration,
            MetadataJob        => EJobType.MetadataExtraction,
            CreatePersonsJob   => EJobType.CreatePersons,
            CreateAlbumsJob    => EJobType.CreateAlbums,
            _                  => throw new ArgumentOutOfRangeException(nameof(job))
        }
    };
}