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

namespace PuferFishBusinessLogic.Implementations;

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

    public List<WorkerDataModel> GetAllWorkers(bool onlyActive = true)
    {
        _logger.LogInformation("GetAllWorkers params: {onlyActive}",
        onlyActive);
        return _workerStorageContract.GetList(onlyActive) ?? throw new
        NullListException();
    }
    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.");
        }
        return _workerStorageContract.GetList(onlyActive, postId) ?? throw
new NullListException();
    }
    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();
    }
    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();
    }
    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);
        }
        return _workerStorageContract.GetElementByFIO(data) ?? throw new
        ElementNotFoundException(data);
    }
    public void InsertWorker(WorkerDataModel workerDataModel)
    {
        _logger.LogInformation("New data: {json}",
        JsonSerializer.Serialize(workerDataModel));
        ArgumentNullException.ThrowIfNull(workerDataModel);
        workerDataModel.Validate();
        _workerStorageContract.AddElement(workerDataModel);
    }
    public void UpdateWorker(WorkerDataModel workerDataModel)
    {
        _logger.LogInformation("Update data: {json}",
        JsonSerializer.Serialize(workerDataModel));
        ArgumentNullException.ThrowIfNull(workerDataModel);
        workerDataModel.Validate();
        _workerStorageContract.UpdElement(workerDataModel);
    }
    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);
    }
}