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

namespace SquirelBusinessLogic.Implementations;

internal class ProductBusinessLogicContract(IProductStorageContract
productStorageContract, ILogger logger) : IProductBusinessLogicContract
{
    private readonly ILogger _logger = logger;
    private readonly IProductStorageContract _productStorageContract = productStorageContract;
    public List<ProductDataModel> GetAllProducts(bool onlyActive)
    {
        _logger.LogInformation("GetAllProducts params: {onlyActive}", onlyActive);
        return _productStorageContract.GetList(onlyActive) ?? throw new NullListException();
    }
    
    public List<ProductHistoryDataModel> GetProductHistoryByProduct(string productId)
    {
        _logger.LogInformation("GetProductHistoryByProduct for {productId}", productId);

        if (productId.IsEmpty())
        {
            throw new ArgumentNullException(nameof(productId));
        }

        if (!productId.IsGuid())
        {
            throw new ValidationException("The value in the field productId is not a unique identifier.");
            
        }
        return _productStorageContract.GetHistoryByProductId(productId) ?? throw new NullListException();
    }
    public ProductDataModel GetProductByData(string data)
    {
        _logger.LogInformation("Get element by data: {data}", data);
        if (data.IsEmpty())
        {
            throw new ArgumentNullException(nameof(data));
        }
        if (data.IsGuid())
        {
            return _productStorageContract.GetElementById(data) ?? throw
            new ElementNotFoundException(data);
        }
        return _productStorageContract.GetElementByName(data) ?? throw new
        ElementNotFoundException(data);
    }
    public void InsertProduct(ProductDataModel productDataModel)
    {
        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(productDataModel));
        ArgumentNullException.ThrowIfNull(productDataModel);
        productDataModel.Validate();
        _productStorageContract.AddElement(productDataModel);
    }
    public void UpdateProduct(ProductDataModel productDataModel)
    {
        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(productDataModel));
        ArgumentNullException.ThrowIfNull(productDataModel);
        productDataModel.Validate();
        _productStorageContract.UpdElement(productDataModel);
    }
    public void DeleteProduct(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");
        }
        _productStorageContract.DelElement(id);
    }
}