using SurveyLib.Core.Models;
using SurveyLib.Core.Repositories;
using SurveyLib.Core.Services;

namespace SurveyLib.Infrastructure.EFCore.Services;

public class SurveyService : ISurveyService
{
    private readonly ISurveyRepository _surveyRepository;

    public SurveyService(ISurveyRepository surveyRepository)
    {
        _surveyRepository = surveyRepository;
    }

    public async Task AddSurveyAsync(Survey survey)
    {
        await _surveyRepository.AddAsync(survey);
    }

    public async Task UpdateSurveyAsync(Survey survey)
    {
        await _surveyRepository.UpdateAsync(survey);
    }

    public async Task DeleteSurveyAsync(int id)
    {
        var survey = await _surveyRepository.GetByIdAsync(id);
        if (survey == null)
        {
            throw new NullReferenceException($"Survey with id: {id} was not found");
        }

        await _surveyRepository.DeleteAsync(survey);
    }

    public async Task<IEnumerable<Survey>> GetSurveysAsync()
    {
        return await _surveyRepository.GetAllAsync();
    }

    public async Task<Survey?> GetSurveyAsync(int id)
    {
        return await _surveyRepository.GetByIdAsync(id);
    }
}