using CH.CQRS.Query.EnergyProvider;
using CH.Dal;
using CH.Enum;
using Microsoft.EntityFrameworkCore;
using OpenHarbor.CQRS.Abstractions;
using OpenHarbor.CQRS.DynamicQuery.Abstractions;

namespace CH.CQRS.Query.EnergyRateException;

public class EnergyRateExceptionQuery
{
}

public class EnergyRateExceptionQueryItem
{
  public long Id { get; set; }

  public long? RateId { get; set; }

  public string? Name { get; set; }

  public decimal? EnergyThreshold { get; set; }
  
  public EnergyRateExceptionThresholdResetType ResetType { get; set; }

  public DateTime? StartedAt { get; set; }

  public DateTime? EndedAt { get; set; }

  public DateTime CreatedAt { get; set; }

  public DateTime? UpdatedAt { get; set; }
}

public class EnergyRateExceptionQueryParams
{
  public long EnergyRateId { get; set; }
}
public class EnergyRateExceptionQueryableProvider(CHDbContext dbContext) : IQueryableProviderOverride<EnergyRateExceptionQueryItem>
{
  public async Task<IQueryable<EnergyRateExceptionQueryItem>> GetQueryableAsync(object query, CancellationToken cancellationToken = default)
  {
    long? energyRateId = null;
    if (query is IDynamicQueryParams<EnergyRateExceptionQueryParams> queryParams)
    {
      var parameters = queryParams.GetParams();
      energyRateId = parameters.EnergyRateId;
    }
    
    if(false == energyRateId.HasValue)
      return Enumerable.Empty<EnergyRateExceptionQueryItem>().AsQueryable();

    var queryable = dbContext.EnergyRateExceptions
      .AsNoTracking()
      .AsQueryable();

    var result = queryable
      .Where(energyRateException => energyRateException.RateId == energyRateId)
      .Select(energyRateException => new EnergyRateExceptionQueryItem
      {
        Id = energyRateException.Id,
        Name = energyRateException.Name,
        RateId = energyRateException.RateId,
        EnergyThreshold = energyRateException.EnergyThreshold,
        ResetType = energyRateException.ResetType,
        StartedAt = energyRateException.StartedAt,
        EndedAt = energyRateException.EndedAt,
        CreatedAt = energyRateException.CreatedAt,
        UpdatedAt = energyRateException.UpdatedAt,
      })
      .OrderBy(energyRateException => energyRateException.Id);
    return result;
  }
}