using CH.CQRS.Command.Energy;
using CH.CQRS.Service.Energy.Options;
using CH.Dal;
using CH.Dal.DbEntity;
using CH.Enum;
using Microsoft.EntityFrameworkCore;

namespace CH.CQRS.Service.Energy;

public class EnergyService(CHDbContext dbContext)
{
  public async Task CreateEnergyProviderAsync(CreateEnergyProviderCommandOptions options, CancellationToken cancellationToken)
  {
    var energyProvider = new EnergyProvider
    {
      Name = options.Name,
      CreatedAt = DateTime.UtcNow,
      Active = options.Active
    };
    await dbContext.AddAsync(energyProvider, cancellationToken);
    await dbContext.SaveChangesAsync(cancellationToken);

  }

  public async Task CreateEnergyRateAsync(CreateEnergyRateCommandOptions options, CancellationToken cancellationToken)
  {
    var provider = await dbContext.EnergyProviders.FirstOrDefaultAsync(provider => provider.Id == options.ProviderId, cancellationToken);
    var energyRate = new EnergyRate
    {
      Name = options.Name,
      Currency = (Currency)System.Enum.Parse(typeof(Currency), options.Currency?.ToUpper()),
      Price = options.Price,
      CreatedAt = DateTime.UtcNow,
      Provider = provider,
      Active = options.Active
    };
    await dbContext.AddAsync(energyRate, cancellationToken);
    await dbContext.SaveChangesAsync(cancellationToken);

  }

  public async Task CreateEnergyRateExceptionAsync(CreateEnergyRateExceptionCommandOptions options,
    CancellationToken cancellationToken)
  {
    var energyRate = await dbContext.EnergyRates.FirstOrDefaultAsync(energyRate => energyRate.Id == options.RateId,cancellationToken);
    var energyRateException = new EnergyRateException
    {
      Name = options.Name,
      CreatedAt = DateTime.UtcNow,
      Rate = energyRate,
      StartedAt = options.StartedAt,
      EndedAt = options.EndedAt,
      EnergyThreshold = options.EnergyThreshold,
      ResetType = (EnergyRateExceptionThresholdResetType)System.Enum
        .Parse(typeof(EnergyRateExceptionThresholdResetType), options.ResetType.ToLower() ?? ""),
    };
    await dbContext.AddAsync(energyRateException, cancellationToken);
    await dbContext.SaveChangesAsync(cancellationToken);
  }

  public async Task UpdateEnergyProviderAsync(UpdateEnergyProviderCommandOptions options,
    CancellationToken cancellationToken)
  {
    var provider = await dbContext.EnergyProviders.FirstOrDefaultAsync(provider => provider.Id == options.ProviderId, cancellationToken);
    if (null != provider)
    {
      provider.Name = options.Name;
      provider.UpdatedAt = DateTime.UtcNow;
      await dbContext.SaveChangesAsync(cancellationToken);
    }

  }

  public async Task UpdateEnergyRateAsync(UpdateEnergyRateCommandOptions options, CancellationToken cancellationToken)
  {
    var energyRateUpdate = new EnergyRateUpdate
    {
      RateId = options.RateId,
      Rate = options.Rate,
      StartedAt = options.StartedAt,
      CreatedAt = DateTime.UtcNow,
      UpdatedAt = options.UpdatedAt,
      AppliedAt = options.AppliedAt,
      SendAlert = options.SendAlert,
    };
    await dbContext.AddAsync(energyRateUpdate, cancellationToken);
    await dbContext.SaveChangesAsync(cancellationToken);
  }

  public async Task UpdateEnergyRateExceptionAsync(UpdateEnergyRateExceptionCommandOptions options,
    CancellationToken cancellationToken)
  {
    var energyRateException = await dbContext.EnergyRateExceptions
      .FirstOrDefaultAsync(rateException => rateException.Id == options.EnergyRateExceptionId, cancellationToken);
    if (null != energyRateException)
    {
      energyRateException.EnergyThreshold = options.EnergyThreshold;
      energyRateException.StartedAt = options.StartedAt;
      energyRateException.EndedAt = options.EndedAt;
      energyRateException.UpdatedAt = DateTime.UtcNow;
      if (String.IsNullOrWhiteSpace(options.ResetType))
      {
        energyRateException.ResetType = (EnergyRateExceptionThresholdResetType)System.Enum.Parse(typeof(EnergyRateExceptionThresholdResetType),options.ResetType) ;
      }
      await dbContext.SaveChangesAsync(cancellationToken);
    }
  }

  public async Task DisableEnergyProviderAsync(DisableEnergyProviderCommandOptions options,
    CancellationToken cancellationToken)
  {
    var energyProvider = await dbContext.EnergyProviders.FirstOrDefaultAsync(provider => provider.Id == options.ProviderId, cancellationToken);
    if (null != energyProvider)
    {
      energyProvider.Active = false;
      energyProvider.DisabledAt = options.DisabledAt;
      await dbContext.SaveChangesAsync(cancellationToken);
    }
  }

  public async Task DisableEnergyRateAsync(DisableEnergyRateCommandOptions options, CancellationToken cancellationToken)
  {
    var energyRate = await dbContext.EnergyRates.FirstOrDefaultAsync(rate => rate.Id == options.RateId, cancellationToken);
    if (null != energyRate)
    {
      energyRate.Active = false;
      energyRate.DisabledAt = options.DisabledAt;
      await dbContext.SaveChangesAsync(cancellationToken);
    }
  }
  public async Task EnableEnergyProviderAsync(EnableEnergyProviderCommandOptions options,
    CancellationToken cancellationToken)
  {
    var energyProvider = await dbContext.EnergyProviders.FirstOrDefaultAsync(provider => provider.Id == options.ProviderId, cancellationToken);
    if (null != energyProvider)
    {
      energyProvider.Active = true;
      energyProvider.DisabledAt = null;
      await dbContext.SaveChangesAsync(cancellationToken);
    }
  }

  public async Task EnableEnergyRateAsync(EnableEnergyRateCommandOptions options, CancellationToken cancellationToken)
  {
    var energyRate = await dbContext.EnergyRates.FirstOrDefaultAsync(rate => rate.Id == options.RateId, cancellationToken);
    if (null != energyRate)
    {
      energyRate.Active = true;
      energyRate.DisabledAt = null;
      await dbContext.SaveChangesAsync(cancellationToken);
    }
  }
}