using Microsoft.Extensions.Logging;
using Squirrel.BusinessLogicsContracts;
using Squirrel.DataModels;
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.Text.RegularExpressions;
using System.Threading.Tasks;

namespace SquirelBusinessLogic.Implementations;

internal class GuestBusinessLogicContract(IGuestStorageContract guestStorageContract, ILogger logger) : IGuestBusinessLogicContract
{
    private readonly ILogger _logger = logger;
    private readonly IGuestStorageContract _guestStorageContract = guestStorageContract;
    public List<GuestDataModel> GetAllGuests()
    {
        _logger.LogInformation("GetAllGuests");
        
        return _guestStorageContract.GetList() ?? throw new NullListException();
    }
    public GuestDataModel GetGuestByData(string data)
    {
        _logger.LogInformation("Get element by data: {data}", data);

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

        if (data.IsGuid())
        {
            return _guestStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
        }

        if (Regex.IsMatch(data, @"^((8|\+7)[\-]?)?(\(?\d{3}\)?[\-]?)?[\d]{7,10}$")) 
        {
            return _guestStorageContract.GetElementByPhoneNumber(data) ??
            throw new ElementNotFoundException(data);
        }

        return _guestStorageContract.GetElementByFIO(data) ?? throw new ElementNotFoundException(data);
    }
    public void InsertGuest(GuestDataModel guestDataModel)
    {
        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(guestDataModel));
        ArgumentNullException.ThrowIfNull(guestDataModel); guestDataModel.Validate();
        _guestStorageContract.AddElement(guestDataModel);
    }
    public void UpdateGuest(GuestDataModel guestDataModel)
    {
        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(guestDataModel));
        ArgumentNullException.ThrowIfNull(guestDataModel);
        guestDataModel.Validate();
        _guestStorageContract.UpdElement(guestDataModel);
    }
    public void DeleteGuest(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");
        }
        _guestStorageContract.DelElement(id);
    }
}