package service

import (
	"github.com/rs/zerolog"
	"go-humas-be/app/module/articles/mapper"
	"go-humas-be/app/module/articles/repository"
	"go-humas-be/app/module/articles/request"
	"go-humas-be/app/module/articles/response"
	"go-humas-be/utils/paginator"
)

// ArticlesService
type articlesService struct {
	Repo repository.ArticlesRepository
	Log  zerolog.Logger
}

// ArticlesService define interface of IArticlesService
type ArticlesService interface {
	All(req request.ArticlesQueryRequest) (articles []*response.ArticlesResponse, paging paginator.Pagination, err error)
	Show(id uint) (articles *response.ArticlesResponse, err error)
	Save(req request.ArticlesCreateRequest) (err error)
	Update(id uint, req request.ArticlesUpdateRequest) (err error)
	Delete(id uint) error
}

// NewArticlesService init ArticlesService
func NewArticlesService(repo repository.ArticlesRepository, log zerolog.Logger) ArticlesService {

	return &articlesService{
		Repo: repo,
		Log:  log,
	}
}

// All implement interface of ArticlesService
func (_i *articlesService) All(req request.ArticlesQueryRequest) (articless []*response.ArticlesResponse, paging paginator.Pagination, err error) {
	results, paging, err := _i.Repo.GetAll(req)
	if err != nil {
		return
	}

	for _, result := range results {
		articless = append(articless, mapper.ArticlesResponseMapper(result))
	}

	return
}

func (_i *articlesService) Show(id uint) (articles *response.ArticlesResponse, err error) {
	result, err := _i.Repo.FindOne(id)
	if err != nil {
		return nil, err
	}

	return mapper.ArticlesResponseMapper(result), nil
}

func (_i *articlesService) Save(req request.ArticlesCreateRequest) (err error) {
	_i.Log.Info().Interface("data", req).Msg("")

	return _i.Repo.Create(req.ToEntity())
}

func (_i *articlesService) Update(id uint, req request.ArticlesUpdateRequest) (err error) {
	_i.Log.Info().Interface("data", req).Msg("")
	return _i.Repo.Update(id, req.ToEntity())
}

func (_i *articlesService) Delete(id uint) error {
	return _i.Repo.Delete(id)
}