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

namespace PapaCarloBusinessLogic.Implementations
{
    internal class BlankBusinessLogicContract(IBlankStorageContract blankStorageContract, ILogger logger) : IBlankBusinessLogicContract
    {
        private readonly ILogger _logger = logger;
        private IBlankStorageContract _blankStorageContract = blankStorageContract;

        public void DeleteBlank(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");
            }
            _blankStorageContract.DelElement(id);
        }

        public List<BlankDataModel> GetAllBlanks()
        {
            _logger.LogInformation("GetAllBlanks");
            return _blankStorageContract.GetList() ?? throw new NullListException();
        }

        public BlankDataModel GetBlankByData(string data)
        {
            _logger.LogInformation("Get element by data {data}", data);
            if (data.IsEmpty())
            {
                throw new ArgumentNullException(nameof(data));
            }
            if (data.IsGuid())
            {
                return _blankStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
            }
            return _blankStorageContract.GetElementByName(data) ?? throw new ElementNotFoundException(data);
        }

        public void InsertBlank(BlankDataModel blankDataModel)
        {
            _logger.LogInformation("New data:{json}", JsonSerializer.Serialize(blankDataModel));
            ArgumentNullException.ThrowIfNull(blankDataModel);
            blankDataModel.Validate();
            _blankStorageContract.AddElement(blankDataModel);
        }

        public void UpdateBlank(BlankDataModel blankDataModel)
        {
            _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(blankDataModel));
            ArgumentNullException.ThrowIfNull(blankDataModel);
            blankDataModel.Validate();
            _blankStorageContract.UpdElement(blankDataModel);

        }
    }
}