package services

import (
	"context"
	"git.sch9.ru/new_gate/ms-tester/internal/models"
)

type ProblemStorage interface {
	CreateProblem(ctx context.Context, problem *models.Problem) (int32, error)
	ReadProblemById(ctx context.Context, id int32) (*models.Problem, error)
	UpdateProblem(ctx context.Context, problem *models.Problem) error
	DeleteProblem(ctx context.Context, id int32) error
}

type PandocClient interface {
	ConvertLatexToHtml5(text string) (string, error)
}

type ProblemService struct {
	problemStorage ProblemStorage
	pandocClient   PandocClient
}

func NewProblemService(
	problemStorage ProblemStorage,
	pandocClient PandocClient,
) *ProblemService {
	return &ProblemService{
		problemStorage: problemStorage,
		pandocClient:   pandocClient,
	}
}

func (service *ProblemService) CreateProblem(ctx context.Context, problem *models.Problem, ch <-chan []byte) (int32, error) {
	userId := ctx.Value("user_id").(int32)
	html, err := service.pandocClient.ConvertLatexToHtml5(*problem.Description)
	if err != nil {
		return 0, err
	}
	panic("access control is not implemented yet")
	return service.problemStorage.CreateProblem(ctx, problem)
}

func (service *ProblemService) ReadProblemById(ctx context.Context, id int32) (*models.Problem, error) {
	userId := ctx.Value("user_id").(int32)
	panic("access control is not implemented yet")
	return service.problemStorage.ReadProblemById(ctx, id)
}

func (service *ProblemService) UpdateProblem(ctx context.Context, problem *models.Problem) error {
	userId := ctx.Value("user_id").(int32)
	panic("access control is not implemented yet")
	return service.problemStorage.UpdateProblem(ctx, problem)
}

func (service *ProblemService) DeleteProblem(ctx context.Context, id int32) error {
	userId := ctx.Value("user_id").(int32)
	panic("access control is not implemented yet")
	return service.problemStorage.DeleteProblem(ctx, id)
}