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

namespace SurveyBackend.Services.Services;

public class CompletionService : ICompletionService
{
    private readonly ICompletionRepository _completionRepository;
    private readonly ISurveyRepository _surveyRepository;

    public CompletionService(ICompletionRepository completionRepository, ISurveyRepository surveyRepository)
    {
        _completionRepository = completionRepository;
        _surveyRepository = surveyRepository;
    }

    public async Task AddCompletionAsync(Completion completion)
    {
        var survey = await _surveyRepository.GetByIdAsync(completion.SurveyId);
        if (survey is null)
        {
            throw new NotFoundException("Survey not found");
        }

        await _completionRepository.AddAsync(completion);
    }

    public async Task UpdateCompletionAsync(Completion completion)
    {
        // TODO: лол а что вообще значит ОбновитьВыполнение, надо выпилить из SurveyLib
        await _completionRepository.UpdateAsync(completion);
    }

    public async Task DeleteCompletionAsync(int id)
    {
        // TODO: да и удалять их как-то бессмысленно
        await _completionRepository.DeleteAsync(id);
    }

    public async Task<Completion> GetCompletionByIdAsync(int id)
    {
        var completion = await _completionRepository.GetByIdAsync(id);
        if (completion is null)
        {
            throw new NotFoundException("Completion not found");
        }

        return completion;
    }

    public async Task<IEnumerable<Completion>> GetCompletionsBySurveyIdAsync(int surveyId)
    {
        var survey = await _surveyRepository.GetByIdAsync(surveyId);
        if (survey is null)
        {
            throw new NotFoundException("Survey not found");
        }

        // TODO: проверить что запрашивает создатель (хз как)
        return await _completionRepository.GetCompletionsBySurveyIdAsync(surveyId);
    }
}