package service

import (
	"errors"
	"jaecoo-be/app/module/gallery_files/mapper"
	"jaecoo-be/app/module/gallery_files/repository"
	"jaecoo-be/app/module/gallery_files/request"
	"jaecoo-be/app/module/gallery_files/response"
	"jaecoo-be/config/config"
	"jaecoo-be/utils/paginator"

	"github.com/rs/zerolog"
)

type galleryFilesService struct {
	Repo repository.GalleryFilesRepository
	Log  zerolog.Logger
	Cfg  *config.Config
}

type GalleryFilesService interface {
	GetAll(req request.GalleryFilesQueryRequest) (files []*response.GalleryFilesResponse, paging paginator.Pagination, err error)
	GetOne(id uint) (file *response.GalleryFilesResponse, err error)
	Create(req request.GalleryFilesCreateRequest) (file *response.GalleryFilesResponse, err error)
	Update(id uint, req request.GalleryFilesUpdateRequest) (file *response.GalleryFilesResponse, err error)
	Delete(id uint) (err error)
}

func NewGalleryFilesService(repo repository.GalleryFilesRepository, log zerolog.Logger, cfg *config.Config) GalleryFilesService {
	return &galleryFilesService{
		Repo: repo,
		Log:  log,
		Cfg:  cfg,
	}
}

func (_i *galleryFilesService) GetAll(req request.GalleryFilesQueryRequest) (files []*response.GalleryFilesResponse, paging paginator.Pagination, err error) {
	filesEntity, paging, err := _i.Repo.GetAll(req)
	if err != nil {
		return
	}

	host := _i.Cfg.App.Domain

	for _, file := range filesEntity {
		files = append(files, mapper.GalleryFilesResponseMapper(file, host))
	}

	return
}

func (_i *galleryFilesService) GetOne(id uint) (file *response.GalleryFilesResponse, err error) {
	fileEntity, err := _i.Repo.FindOne(id)
	if err != nil {
		return
	}

	if fileEntity == nil {
		err = errors.New("gallery file not found")
		return
	}

	host := _i.Cfg.App.Domain

	file = mapper.GalleryFilesResponseMapper(fileEntity, host)
	return
}

func (_i *galleryFilesService) Create(req request.GalleryFilesCreateRequest) (file *response.GalleryFilesResponse, err error) {
	fileEntity := req.ToEntity()
	isActive := true
	fileEntity.IsActive = &isActive

	fileEntity, err = _i.Repo.Create(fileEntity)
	if err != nil {
		return
	}

	host := _i.Cfg.App.Domain

	file = mapper.GalleryFilesResponseMapper(fileEntity, host)
	return
}

func (_i *galleryFilesService) Update(id uint, req request.GalleryFilesUpdateRequest) (file *response.GalleryFilesResponse, err error) {
	fileEntity := req.ToEntity()

	err = _i.Repo.Update(id, fileEntity)
	if err != nil {
		return
	}

	fileEntity, err = _i.Repo.FindOne(id)
	if err != nil {
		return
	}

	host := _i.Cfg.App.Domain

	file = mapper.GalleryFilesResponseMapper(fileEntity, host)
	return
}

func (_i *galleryFilesService) Delete(id uint) (err error) {
	err = _i.Repo.Delete(id)
	return
}