using Microsoft.Extensions.Logging;
using System.Text.Json;
using TheButcherShopContracts.BusinessLogicContracts;
using TheButcherShopContracts.DataModels;
using TheButcherShopContracts.Exceptions;
using TheButcherShopContracts.Extensions;
using TheButcherShopContracts.StoragesContracts;


namespace ButcherShopBusinessLogic.Implementations;

internal class PostBusinessLogicContract(IPostStorageContract postStorageContract, ILogger logger) : IPostBusinessLogicContract
{
    private readonly ILogger _logger = logger;
    private readonly IPostStorageContract _postStorageContract = postStorageContract;

    public List<PostDataModel> GetAllPosts(bool onlyActive = true)
    {
        _logger.LogInformation("GetAllPosts params: {onlyActive}", onlyActive);
        return _postStorageContract.GetList(onlyActive) ?? throw new NullListException();
    }

    public List<PostDataModel> GetAllDataOfPost(string postId)
    {
        _logger.LogInformation("GetAllDataOfPost for {postId}", postId);
        if (postId.IsEmpty())
        {
            throw new ArgumentNullException(nameof(postId));
        }
        if (!postId.IsGuid())
        {
            throw new ValidationException("The value in the field postId is not a unique identifier.");
        }
        return _postStorageContract.GetPostWithHistory(postId) ?? throw new NullListException();
    }


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

    public void InsertPost(PostDataModel postDataModel)
    {
        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(postDataModel));
        ArgumentNullException.ThrowIfNull(postDataModel);
        postDataModel.Validate();
        _postStorageContract.AddElement(postDataModel);
    }

    public void UpdatePost(PostDataModel postDataModel)
    {
        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(postDataModel));
        ArgumentNullException.ThrowIfNull(postDataModel);
        postDataModel.Validate();
        _postStorageContract.UpdElement(postDataModel);
    }

    public void DeletePost(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");
        }
        _postStorageContract.DelElement(id);
    }


    public void RestorePost(string id)
    {
        _logger.LogInformation("Restore by id: {id}", id);
        if (id.IsEmpty())
        {
            throw new ArgumentNullException(nameof(id));
        }
        if (!id.IsGuid())
        {
            throw new ValidationException("Id is not a unique identifier");
        }
        _postStorageContract.ResElement(id);
    }
}