using LCU.Library.Internal.DocumentIngestorModels.Enums;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;

namespace LCU.Library.Internal.DocumentIngestorModels.Models;
public class DocumentProcessingInfoStatusRequest : IValidatableObject
{
    public DocumentProcessingInfoStatusRequest()
    {
    }

    public DocumentProcessingInfoStatusRequest(int documentProcessingInfoId,
                                               ProcessStatusTypes processStatus, 
                                               string reasonMessage,
                                               string username)
    {
        DocumentProcessingInfoId = documentProcessingInfoId;
        ProcessStatus = processStatus;
        ReasonMessage = reasonMessage;
        Username = username;
    }
    
    public int DocumentProcessingInfoId { get; set; }
    public ProcessStatusTypes ProcessStatus { get; set; }
    public string ReasonMessage { get; set; } = string.Empty;
    public string Username { get; set; } = string.Empty;

    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
        if (DocumentProcessingInfoId == 0 || DocumentProcessingInfoId == null)
        {
            yield return new ValidationResult("DocumentProcessingInfoId cannot be 0 or null.");
        }

        if (string.IsNullOrWhiteSpace(ReasonMessage))
        {
            yield return new ValidationResult("Must provide a ReasonMessage explaining the reason for the update.");
        }
        
        if (string.IsNullOrWhiteSpace(Username))
        {
            yield return new ValidationResult("Must provide a Username.");
        }
    }
}