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

namespace ButcherShopBusinessLogic.Implementations;

internal class WorkerBusinessLogicContract(IWorkerStorageContract workerStorageContract, ILogger logger) : IWorkerBusinessLogicContract
{
    private readonly ILogger _logger = logger;
    private readonly IWorkerStorageContract _workerStorageContract = workerStorageContract;

    //5 из 5 пройдено
    public List<WorkerDataModel> GetAllWorkers(bool onlyActive = true)
    {
        _logger.LogInformation("GetAllWorkers params: {onlyActive}", onlyActive);
        return _workerStorageContract.GetList(onlyActive) ?? throw new NullListException();
    }

    //6 из 6 пройдено
    public List<WorkerDataModel> GetAllWorkersByPost(string postId, bool onlyActive = true)
    {
        _logger.LogInformation("GetAllWorkers params: {postId}, {onlyActive},", postId, onlyActive);
        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.");
        }

        if (Regex.IsMatch(postId, @"^\+7[\s-]?\d{3}[\s-]?\d{3}[\s-]?\d{2}[\s-]?\d{2}$"))
        {
            return new List<WorkerDataModel>
            {
                _workerStorageContract.GetElementByPhoneNumber(postId) ?? throw new ElementNotFoundException(postId)
            };
        }

        return _workerStorageContract.GetList(onlyActive, postId) ?? throw new NullListException();
    }

    //5 из 5 пройдено
    public List<WorkerDataModel> GetAllWorkersByBirthDate(DateTime fromDate, DateTime toDate, bool onlyActive = true)
    {
        _logger.LogInformation("GetAllWorkers params: {onlyActive}, {fromDate}, {toDate}", onlyActive, fromDate, toDate);
        if (fromDate.IsDateNotOlder(toDate))
        {
            throw new IncorrectDatesException(fromDate, toDate);
        }
        return _workerStorageContract.GetList(onlyActive, fromBirthDate: fromDate, toBirthDate: toDate) ?? throw new NullListException();
    }

    //5 из 5 пройдено
    public List<WorkerDataModel> GetAllWorkersByEmploymentDate(DateTime fromDate, DateTime toDate, bool onlyActive = true)
    {
        _logger.LogInformation("GetAllWorkers params: {onlyActive}, {fromDate}, {toDate}", onlyActive, fromDate, toDate);
        if (fromDate.IsDateNotOlder(toDate))
        {
            throw new IncorrectDatesException(fromDate, toDate);
        }
        return _workerStorageContract.GetList(onlyActive, fromEmploymentDate: fromDate, toEmploymentDate: toDate) ?? throw new NullListException();
    }

    //5 из 8 пройдено
    public WorkerDataModel GetWorkerByData(string data)
    {
        _logger.LogInformation("Get element by data: {data}", data);
        if (data.IsEmpty())
        {
            throw new ArgumentNullException(nameof(data));
        }
        if (data.IsGuid())
        {
            return _workerStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
        }
        if (Regex.IsMatch(data, @"^\+7[\s-]?\d{3}[\s-]?\d{3}[\s-]?\d{2}[\s-]?\d{2}$"))
        {
            return _workerStorageContract.GetElementByPhoneNumber(data) ?? throw new ElementNotFoundException(data);
        }

        return _workerStorageContract.GetElementByFIO(data) ?? throw new ElementNotFoundException(data);
    }

    //5 из 5 пройдено
    public void InsertWorker(WorkerDataModel workerDataModel)
    {
        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(workerDataModel));
        ArgumentNullException.ThrowIfNull(workerDataModel);
        workerDataModel.Validate();
        _workerStorageContract.AddElement(workerDataModel);
    }

    //5 из 5 пройдено
    public void UpdateWorker(WorkerDataModel workerDataModel)
    {
        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(workerDataModel));
        ArgumentNullException.ThrowIfNull(workerDataModel);
        workerDataModel.Validate();
        _workerStorageContract.UpdElement(workerDataModel);
    }

    //5 из 5 пройдено
    public void DeleteWorker(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");
        }
        _workerStorageContract.DelElement(id);
    }
}