using MagicCarpetContracts.BusinessLogicContracts;
using MagicCarpetContracts.DataModels;
using MagicCarpetContracts.Enums;
using MagicCarpetContracts.Exceptions;
using MagicCarpetContracts.Extensions;
using MagicCarpetContracts.StoragesContracts;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

namespace MagicCarpetBusinessLogic.Implementations;

public class AgencyBusinessLogicContract(IAgencyStorageContract agencyStorageContract, ILogger logger) : IAgencyBusinessLogicContract
{
    private readonly IAgencyStorageContract _agencyStorageContract = agencyStorageContract;
    private readonly ILogger _logger = logger;
    public List<AgencyDataModel> GetAllAgencies()
    {
        _logger.LogInformation("GetAllTours");
        return _agencyStorageContract.GetList() ?? throw new NullListException();

        return [];
    }

    public AgencyDataModel GetAgencyByData(string data)
    {
        _logger.LogInformation("Get element by data: {data}", data);
        if (data.IsEmpty())
        {
            throw new ArgumentNullException(nameof(data));
        }
        if (!data.IsGuid())
        {
            throw new ElementNotFoundException(data);
        }
        return _agencyStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);

        return new("", TourType.None, 0, []);
    }

    public void InsertAgency(AgencyDataModel AgencyDataModel)
    {
        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(AgencyDataModel));
        ArgumentNullException.ThrowIfNull(AgencyDataModel);
        AgencyDataModel.Validate();
        _agencyStorageContract.AddElement(AgencyDataModel);
    }

    public void UpdateAgency(AgencyDataModel AgencyDataModel)
    {
        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(AgencyDataModel));
        ArgumentNullException.ThrowIfNull(AgencyDataModel);
        AgencyDataModel.Validate();
        _agencyStorageContract.UpdElement(AgencyDataModel);
    }

    public void DeleteAgency(string id)
    {
        logger.LogInformation("Delete by id: {id}", id);
        if (id.IsEmpty())
        {
            throw new ArgumentNullException(nameof(id));
        }
        if (!id.IsGuid())
        {
            throw new ValidationException("Id is not a unique identifier");
        }
        _agencyStorageContract.DelElement(id);
    }
}