package service

import (
	"context"
	"errors"
	"fmt"
	"io"
	approvalHistoriesService "jaecoo-be/app/module/approval_histories/service"
	"jaecoo-be/app/module/products/mapper"
	"jaecoo-be/app/module/products/repository"
	"jaecoo-be/app/module/products/request"
	"jaecoo-be/app/module/products/response"
	usersRepository "jaecoo-be/app/module/users/repository"
	"jaecoo-be/config/config"
	minioStorage "jaecoo-be/config/config"
	"jaecoo-be/utils/paginator"
	utilSvc "jaecoo-be/utils/service"
	"math/rand"
	"mime"
	"mime/multipart"
	"path/filepath"
	"strconv"
	"strings"
	"time"

	"encoding/json"

	"github.com/gofiber/fiber/v2"
	"github.com/minio/minio-go/v7"
	"github.com/rs/zerolog"
)

type productsService struct {
	Repo                     repository.ProductsRepository
	Log                      zerolog.Logger
	Cfg                      *config.Config
	MinioStorage             *minioStorage.MinioStorage
	UsersRepo                usersRepository.UsersRepository
	ApprovalHistoriesService approvalHistoriesService.ApprovalHistoriesService
}

type ProductsService interface {
	GetAll(req request.ProductsQueryRequest) (products []*response.ProductsResponse, paging paginator.Pagination, err error)
	GetOne(id uint) (product *response.ProductsResponse, err error)
	Create(c *fiber.Ctx, req request.ProductsCreateRequest) (product *response.ProductsResponse, err error)
	Update(c *fiber.Ctx, id uint, req request.ProductsUpdateRequest) (product *response.ProductsResponse, err error)
	Delete(id uint) (err error)
	Approve(id uint, authToken string) (product *response.ProductsResponse, err error)
	Reject(id uint, authToken string, message *string) (product *response.ProductsResponse, err error)
	Comment(id uint, authToken string, message *string) (product *response.ProductsResponse, err error)
	UploadFileToMinio(c *fiber.Ctx, fileKey string) (filePath *string, err error)
	Viewer(c *fiber.Ctx) (err error)
}

func NewProductsService(repo repository.ProductsRepository, log zerolog.Logger, cfg *config.Config, minioStorage *minioStorage.MinioStorage, usersRepo usersRepository.UsersRepository, approvalHistoriesService approvalHistoriesService.ApprovalHistoriesService) ProductsService {
	return &productsService{
		Repo:                     repo,
		Log:                      log,
		Cfg:                      cfg,
		MinioStorage:             minioStorage,
		UsersRepo:                usersRepo,
		ApprovalHistoriesService: approvalHistoriesService,
	}
}

func (_i *productsService) GetAll(req request.ProductsQueryRequest) (products []*response.ProductsResponse, paging paginator.Pagination, err error) {
	productsEntity, paging, err := _i.Repo.GetAll(req)
	if err != nil {
		return
	}

	host := _i.Cfg.App.Domain

	for _, product := range productsEntity {
		products = append(products, mapper.ProductsResponseMapper(product, host))
	}

	return
}

func (_i *productsService) GetOne(id uint) (product *response.ProductsResponse, err error) {
	productEntity, err := _i.Repo.FindOne(id)
	if err != nil {
		return
	}

	if productEntity == nil {
		err = errors.New("product not found")
		return
	}

	host := _i.Cfg.App.Domain

	product = mapper.ProductsResponseMapper(productEntity, host)
	return
}

func (_i *productsService) uploadColorFile(
	fileHeader *multipart.FileHeader,
) (*string, error) {

	minioClient, err := _i.MinioStorage.ConnectMinio()
	if err != nil {
		return nil, err
	}

	src, err := fileHeader.Open()
	if err != nil {
		return nil, err
	}
	defer src.Close()

	now := time.Now()
	ext := filepath.Ext(fileHeader.Filename)
	name := strings.TrimSuffix(fileHeader.Filename, ext)
	name = strings.ReplaceAll(name, " ", "")

	filename := fmt.Sprintf(
		"%s_%d%s",
		name,
		rand.Intn(999999),
		ext,
	)

	objectName := fmt.Sprintf(
		"products/colors/%d/%d/%s",
		now.Year(),
		now.Month(),
		filename,
	)

	_, err = minioClient.PutObject(
		context.Background(),
		_i.MinioStorage.Cfg.ObjectStorage.MinioStorage.BucketName,
		objectName,
		src,
		fileHeader.Size,
		minio.PutObjectOptions{},
	)
	if err != nil {
		return nil, err
	}

	return &objectName, nil
}

func (_i *productsService) uploadSpecFile(
	fileHeader *multipart.FileHeader,
) (*string, error) {

	minioClient, err := _i.MinioStorage.ConnectMinio()
	if err != nil {
		return nil, err
	}

	src, err := fileHeader.Open()
	if err != nil {
		return nil, err
	}
	defer src.Close()

	now := time.Now()
	ext := filepath.Ext(fileHeader.Filename)
	name := strings.TrimSuffix(fileHeader.Filename, ext)
	name = strings.ReplaceAll(name, " ", "")

	filename := fmt.Sprintf(
		"%s_%d%s",
		name,
		rand.Intn(999999),
		ext,
	)

	objectName := fmt.Sprintf(
		"products/specifications/%d/%d/%s",
		now.Year(),
		now.Month(),
		filename,
	)

	_, err = minioClient.PutObject(
		context.Background(),
		_i.MinioStorage.Cfg.ObjectStorage.MinioStorage.BucketName,
		objectName,
		src,
		fileHeader.Size,
		minio.PutObjectOptions{},
	)
	if err != nil {
		return nil, err
	}

	return &objectName, nil
}

func (_i *productsService) Create(c *fiber.Ctx, req request.ProductsCreateRequest) (product *response.ProductsResponse, err error) {
	_i.Log.Info().
		Str("title", req.Title).
		Interface("colors", req.Colors).
		Msg("🚀 Starting Create Product")

	// Handle file upload if exists
	if filePath, uploadErr := _i.UploadFileToMinio(c, "file"); uploadErr == nil && filePath != nil {
		req.ThumbnailPath = filePath
		_i.Log.Info().Str("thumbnailPath", *filePath).Msg("✅ Uploaded thumbnail")
	}

	// 🔥 CONVERT REQUEST KE ENTITY
	productEntity := req.ToEntity()

	// ===============================
	// 3️⃣ 🔥 HANDLE COLORS + IMAGE
	// ===============================
	form, _ := c.MultipartForm()
	colorFiles := form.File["color_images"]
	colorsStr := c.FormValue("colors")

	_i.Log.Info().
		Str("colorsStr", colorsStr).
		Int("colorFilesCount", len(colorFiles)).
		Msg("🎨 Processing colors")

	var colorEntities []struct {
		Name      string  `json:"name"`
		ImagePath *string `json:"image_path"`
	}

	for i, cReq := range req.Colors {
		if cReq.Name == "" {
			continue
		}

		color := struct {
			Name      string  `json:"name"`
			ImagePath *string `json:"image_path"`
		}{
			Name: cReq.Name,
		}

		// hubungkan file berdasarkan index
		if len(colorFiles) > i {
			fileHeader := colorFiles[i]

			path, err := _i.uploadColorFile(fileHeader)
			if err == nil && path != nil {
				color.ImagePath = path
			}
		}

		colorEntities = append(colorEntities, color)
	}

	// simpan ke kolom products.colors (JSON string)
	if len(colorEntities) > 0 {
		bytes, _ := json.Marshal(colorEntities)
		str := string(bytes)
		productEntity.Colors = &str
		_i.Log.Info().
			Int("colorsCount", len(colorEntities)).
			Str("json", str).
			Msg("💾 Saved colors to entity")
	}

	// 6️⃣ HANDLE SPECIFICATIONS (as JSON array like colors)
	form, _ = c.MultipartForm()
	specFiles := form.File["specification_images"]
	specificationsStr := c.FormValue("specifications")

	_i.Log.Info().
		Str("specificationsStr", specificationsStr).
		Int("specFilesCount", len(specFiles)).
		Msg("📦 Processing specifications in Create")

	var specEntities []struct {
		Title      string   `json:"title"`
		ImagePaths []string `json:"image_paths"`
	}

	if specificationsStr != "" {
		var specifications []struct {
			Title      string `json:"title"`
			ImageCount int    `json:"imageCount"`
		}
		if err := json.Unmarshal([]byte(specificationsStr), &specifications); err != nil {
			_i.Log.Error().Err(err).Str("specificationsStr", specificationsStr).Msg("❌ Failed to unmarshal specifications")
		} else {
			_i.Log.Info().Int("specsCount", len(specifications)).Msg("✅ Parsed specifications JSON")
			fileIndex := 0
			for specIdx, spec := range specifications {
				if spec.Title == "" {
					_i.Log.Warn().Int("specIndex", specIdx).Msg("⚠️ Skipping spec with empty title")
					continue
				}

				specEntity := struct {
					Title      string   `json:"title"`
					ImagePaths []string `json:"image_paths"`
				}{
					Title:      spec.Title,
					ImagePaths: []string{},
				}

				_i.Log.Info().
					Int("specIndex", specIdx).
					Str("title", spec.Title).
					Int("imageCount", spec.ImageCount).
					Int("fileIndex", fileIndex).
					Msg("📝 Processing spec")

				// Upload files for this specification
				imageCount := spec.ImageCount
				if imageCount > 0 && fileIndex < len(specFiles) {
					for i := 0; i < imageCount && fileIndex < len(specFiles); i++ {
						fileHeader := specFiles[fileIndex]
						_i.Log.Info().
							Int("fileIndex", fileIndex).
							Str("filename", fileHeader.Filename).
							Msg("📤 Uploading spec image")

						path, uploadErr := _i.uploadSpecFile(fileHeader)
						if uploadErr != nil {
							_i.Log.Error().Err(uploadErr).Int("fileIndex", fileIndex).Msg("❌ Failed to upload spec file")
						} else if path != nil {
							specEntity.ImagePaths = append(specEntity.ImagePaths, *path)
							_i.Log.Info().Str("path", *path).Msg("✅ Uploaded spec image")
						}
						fileIndex++
					}
				}

				specEntities = append(specEntities, specEntity)
				_i.Log.Info().
					Str("title", specEntity.Title).
					Int("imagesCount", len(specEntity.ImagePaths)).
					Msg("✅ Added spec entity")
			}
		}
	} else {
		_i.Log.Warn().Msg("⚠️ No specifications string in form")
	}

	// Save specifications as JSON string
	if len(specEntities) > 0 {
		bytes, _ := json.Marshal(specEntities)
		str := string(bytes)
		productEntity.Specifications = &str
		_i.Log.Info().
			Int("specsCount", len(specEntities)).
			Str("json", str).
			Msg("💾 Saved specifications to entity")
	} else {
		_i.Log.Warn().Msg("⚠️ No spec entities to save")
	}

	// 7️⃣ DEFAULT ACTIVE & SAVE TO DB
	isActive := true
	productEntity.IsActive = &isActive

	productEntity, err = _i.Repo.Create(productEntity)
	if err != nil {
		_i.Log.Error().Err(err).Msg("❌ Failed to create product in DB")
		return
	}
	_i.Log.Info().
		Uint("productId", productEntity.ID).
		Interface("colors", productEntity.Colors).
		Interface("specifications", productEntity.Specifications).
		Msg("✅ Product created in DB with all data")

	// 8️⃣ RESPONSE
	host := _i.Cfg.App.Domain
	product = mapper.ProductsResponseMapper(productEntity, host)
	return
}

func (_i *productsService) UploadFileToMinio(c *fiber.Ctx, fileKey string) (filePath *string, err error) {
	form, err := c.MultipartForm()
	if err != nil {
		return nil, err
	}

	files := form.File[fileKey]
	if len(files) == 0 {
		return nil, nil // No file uploaded, return nil without error
	}

	fileHeader := files[0]

	// Create minio connection
	minioClient, err := _i.MinioStorage.ConnectMinio()
	if err != nil {
		return nil, err
	}

	bucketName := _i.MinioStorage.Cfg.ObjectStorage.MinioStorage.BucketName

	// Open file
	src, err := fileHeader.Open()
	if err != nil {
		return nil, err
	}
	defer src.Close()

	// Process filename
	filename := filepath.Base(fileHeader.Filename)
	filename = strings.ReplaceAll(filename, " ", "")
	filenameWithoutExt := filepath.Clean(filename[:len(filename)-len(filepath.Ext(filename))])
	extension := filepath.Ext(fileHeader.Filename)[1:]

	// Generate unique filename
	now := time.Now()
	rand.New(rand.NewSource(now.UnixNano()))
	randUniqueId := rand.Intn(1000000)

	newFilenameWithoutExt := filenameWithoutExt + "_" + strconv.Itoa(randUniqueId)
	newFilename := newFilenameWithoutExt + "." + extension

	// Create object name with path structure
	objectName := fmt.Sprintf("products/upload/%d/%d/%s", now.Year(), now.Month(), newFilename)

	_i.Log.Info().Str("timestamp", time.Now().
		Format(time.RFC3339)).Str("Service:Resource", "Products:UploadFileToMinio").
		Interface("Uploading file", objectName).Msg("")

	// Upload file to MinIO
	_, err = minioClient.PutObject(context.Background(), bucketName, objectName, src, fileHeader.Size, minio.PutObjectOptions{})
	if err != nil {
		_i.Log.Error().Str("timestamp", time.Now().
			Format(time.RFC3339)).Str("Service:Resource", "Products:UploadFileToMinio").
			Interface("Error uploading file", err).Msg("")
		return nil, err
	}

	_i.Log.Info().Str("timestamp", time.Now().
		Format(time.RFC3339)).Str("Service:Resource", "Products:UploadFileToMinio").
		Interface("Successfully uploaded", objectName).Msg("")

	return &objectName, nil
}

func (_i *productsService) Update(c *fiber.Ctx, id uint, req request.ProductsUpdateRequest) (product *response.ProductsResponse, err error) {
	// Handle file upload if exists
	if filePath, uploadErr := _i.UploadFileToMinio(c, "file"); uploadErr == nil && filePath != nil {
		req.ThumbnailPath = filePath
	}

	// Get existing product to preserve existing colors if no new color images uploaded
	existingProduct, err := _i.Repo.FindOne(id)
	if err != nil {
		return
	}

	productEntity := req.ToEntity()

	// Handle color images if uploaded (similar to Create)
	form, _ := c.MultipartForm()
	colorFiles := form.File["color_images"]

	// If color images are uploaded, process them
	if len(colorFiles) > 0 {
		var colorEntities []struct {
			Name      string  `json:"name"`
			ImagePath *string `json:"image_path"`
		}

		// Use colors from request if available, otherwise preserve existing
		var existingColors []struct {
			Name      string  `json:"name"`
			ImagePath *string `json:"image_path"`
		}
		if existingProduct.Colors != nil && *existingProduct.Colors != "" {
			_ = json.Unmarshal([]byte(*existingProduct.Colors), &existingColors)
		}

		// Process color files and merge with request colors
		for i, cReq := range req.Colors {
			if cReq.Name == "" {
				continue
			}

			color := struct {
				Name      string  `json:"name"`
				ImagePath *string `json:"image_path"`
			}{
				Name: cReq.Name,
			}

			// If there's a new file uploaded for this color index, use it
			if len(colorFiles) > i {
				fileHeader := colorFiles[i]
				path, err := _i.uploadColorFile(fileHeader)
				if err == nil && path != nil {
					color.ImagePath = path
				} else if i < len(existingColors) {
					// Keep existing image path if upload failed
					color.ImagePath = existingColors[i].ImagePath
				}
			} else if i < len(existingColors) {
				// No new file, preserve existing image path
				color.ImagePath = existingColors[i].ImagePath
			}

			colorEntities = append(colorEntities, color)
		}

		// Update colors JSON if we have colors
		if len(colorEntities) > 0 {
			bytes, _ := json.Marshal(colorEntities)
			str := string(bytes)
			productEntity.Colors = &str
		}
	} else if len(req.Colors) > 0 {
		// No new color images uploaded, but colors data is provided
		// Preserve existing image paths and update names
		var existingColors []struct {
			Name      string  `json:"name"`
			ImagePath *string `json:"image_path"`
		}
		if existingProduct.Colors != nil && *existingProduct.Colors != "" {
			_ = json.Unmarshal([]byte(*existingProduct.Colors), &existingColors)
		}

		var colorEntities []struct {
			Name      string  `json:"name"`
			ImagePath *string `json:"image_path"`
		}

		for i, cReq := range req.Colors {
			if cReq.Name == "" {
				continue
			}

			color := struct {
				Name      string  `json:"name"`
				ImagePath *string `json:"image_path"`
			}{
				Name: cReq.Name,
			}

			// Preserve existing image path if available
			if i < len(existingColors) {
				color.ImagePath = existingColors[i].ImagePath
			}

			colorEntities = append(colorEntities, color)
		}

		if len(colorEntities) > 0 {
			bytes, _ := json.Marshal(colorEntities)
			str := string(bytes)
			productEntity.Colors = &str
		}
	} else if existingProduct.Colors != nil {
		// No colors in request, preserve existing colors
		productEntity.Colors = existingProduct.Colors
	}

	// Handle specifications update (as JSON array like colors)
	specFiles := form.File["specification_images"]
	specificationsStr := c.FormValue("specifications")

	var specEntities []struct {
		Title      string   `json:"title"`
		ImagePaths []string `json:"image_paths"`
	}

	if specificationsStr != "" {
		var specifications []struct {
			Title      string `json:"title"`
			ImageCount int    `json:"imageCount"`
		}
		if err := json.Unmarshal([]byte(specificationsStr), &specifications); err == nil {
			// Get existing specifications to preserve existing images if no new files uploaded
			var existingSpecs []struct {
				Title      string   `json:"title"`
				ImagePaths []string `json:"image_paths"`
			}
			if existingProduct.Specifications != nil && *existingProduct.Specifications != "" {
				_ = json.Unmarshal([]byte(*existingProduct.Specifications), &existingSpecs)
			}

			fileIndex := 0
			for i, spec := range specifications {
				if spec.Title == "" {
					continue
				}

				specEntity := struct {
					Title      string   `json:"title"`
					ImagePaths []string `json:"image_paths"`
				}{
					Title:      spec.Title,
					ImagePaths: []string{},
				}

				// If there are new files uploaded for this spec index, use them
				imageCount := spec.ImageCount
				if imageCount > 0 && fileIndex < len(specFiles) {
					// Upload new files
					for j := 0; j < imageCount && fileIndex < len(specFiles); j++ {
						fileHeader := specFiles[fileIndex]
						path, uploadErr := _i.uploadSpecFile(fileHeader)
						if uploadErr == nil && path != nil {
							specEntity.ImagePaths = append(specEntity.ImagePaths, *path)
						}
						fileIndex++
					}
				} else if i < len(existingSpecs) {
					// No new files, preserve existing image paths
					specEntity.ImagePaths = existingSpecs[i].ImagePaths
				}

				specEntities = append(specEntities, specEntity)
			}
		}
	} else if existingProduct.Specifications != nil {
		// No specifications in request, preserve existing
		productEntity.Specifications = existingProduct.Specifications
	}

	// Save specifications as JSON string
	if len(specEntities) > 0 {
		bytes, _ := json.Marshal(specEntities)
		str := string(bytes)
		productEntity.Specifications = &str
	}

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

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

	host := _i.Cfg.App.Domain

	product = mapper.ProductsResponseMapper(productEntity, host)
	return
}

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

func (_i *productsService) Viewer(c *fiber.Ctx) (err error) {
	filename := c.Params("filename")

	var objectName string
	var found bool

	// First, try to find by ThumbnailPath (for main product images)
	result, err := _i.Repo.FindByThumbnailPath(filename)
	if err == nil && result != nil && result.ThumbnailPath != nil && *result.ThumbnailPath != "" {
		// Check if the filename matches the thumbnail
		if strings.Contains(*result.ThumbnailPath, filename) {
			objectName = *result.ThumbnailPath
			found = true
		}
	}

	// If not found in ThumbnailPath, search in Colors JSON field
	if !found {
		// Create a query request with large limit to search all products
		queryReq := request.ProductsQueryRequest{
			Pagination: &paginator.Pagination{
				Page:  1,
				Limit: 1000, // Large limit to search all products
			},
		}
		allProducts, _, err := _i.Repo.GetAll(queryReq)
		if err == nil {
			for _, product := range allProducts {
				// Search in Colors
				if product.Colors != nil && *product.Colors != "" {
					var rawColors []struct {
						Name      string  `json:"name"`
						ImagePath *string `json:"image_path"`
					}

					if err := json.Unmarshal([]byte(*product.Colors), &rawColors); err == nil {
						for _, color := range rawColors {
							if color.ImagePath != nil && strings.Contains(*color.ImagePath, filename) {
								objectName = *color.ImagePath
								found = true
								break
							}
						}
					}
					if found {
						break
					}
				}

				// Search in Specifications
				if !found && product.Specifications != nil && *product.Specifications != "" {
					var rawSpecs []struct {
						Title      string   `json:"title"`
						ImagePaths []string `json:"image_paths"`
					}

					if err := json.Unmarshal([]byte(*product.Specifications), &rawSpecs); err == nil {
						for _, spec := range rawSpecs {
							for _, imagePath := range spec.ImagePaths {
								if strings.Contains(imagePath, filename) {
									objectName = imagePath
									found = true
									break
								}
							}
							if found {
								break
							}
						}
					}
					if found {
						break
					}
				}
			}
		}
	}

	if !found || objectName == "" {
		return c.Status(fiber.StatusNotFound).JSON(fiber.Map{
			"error": true,
			"msg":   "Product file not found",
		})
	}

	ctx := context.Background()
	bucketName := _i.MinioStorage.Cfg.ObjectStorage.MinioStorage.BucketName

	_i.Log.Info().Str("timestamp", time.Now().
		Format(time.RFC3339)).Str("Service:Resource", "Products:Viewer").
		Interface("data", objectName).Msg("")

	// Create minio connection
	minioClient, err := _i.MinioStorage.ConnectMinio()
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": true,
			"msg":   err.Error(),
		})
	}

	fileContent, err := minioClient.GetObject(ctx, bucketName, objectName, minio.GetObjectOptions{})
	if err != nil {
		_i.Log.Error().Str("timestamp", time.Now().
			Format(time.RFC3339)).Str("Service:Resource", "Products:Viewer").
			Interface("Error getting file", err).Msg("")
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
			"error": true,
			"msg":   "Failed to retrieve file",
		})
	}
	defer fileContent.Close()

	// Determine Content-Type based on file extension
	contentType := mime.TypeByExtension("." + getFileExtension(objectName))
	if contentType == "" {
		contentType = "application/octet-stream" // fallback if no MIME type matches
	}

	c.Set("Content-Type", contentType)

	if _, err := io.Copy(c.Response().BodyWriter(), fileContent); err != nil {
		return err
	}

	return
}

func getFileExtension(filename string) string {
	// split file name
	parts := strings.Split(filename, ".")

	// jika tidak ada ekstensi, kembalikan string kosong
	if len(parts) == 1 || (len(parts) == 2 && parts[0] == "") {
		return ""
	}

	// ambil ekstensi terakhir
	return parts[len(parts)-1]
}

func (_i *productsService) Approve(id uint, authToken string) (product *response.ProductsResponse, err error) {
	// Get user from token
	user := utilSvc.GetUserInfo(_i.Log, _i.UsersRepo, authToken)
	if user == nil {
		err = errors.New("unauthorized: user not found")
		return
	}

	// Check if user has admin role (roleId = 1)
	if user.UserRoleId != 1 {
		err = errors.New("unauthorized: only admin can approve")
		return
	}

	// Approve product (update status_id to 2)
	err = _i.Repo.Approve(id)
	if err != nil {
		return
	}

	// Save approval history
	userID := user.ID
	statusApprove := 2

	err = _i.ApprovalHistoriesService.CreateHistory(
		"products",
		id,
		&statusApprove, // ✅ pointer
		"approve",
		&userID,
		nil,
	)
	if err != nil {
		_i.Log.Error().Err(err).Msg("Failed to save approval history")
	}

	// Get updated product data
	productEntity, err := _i.Repo.FindOne(id)
	if err != nil {
		return
	}

	if productEntity == nil {
		err = errors.New("product not found")
		return
	}

	host := _i.Cfg.App.Domain
	product = mapper.ProductsResponseMapper(productEntity, host)
	return
}

func (_i *productsService) Reject(id uint, authToken string, message *string) (product *response.ProductsResponse, err error) {
	// Get user from token
	user := utilSvc.GetUserInfo(_i.Log, _i.UsersRepo, authToken)
	if user == nil {
		err = errors.New("unauthorized: user not found")
		return
	}

	// Check if user has admin role (roleId = 1)
	if user.UserRoleId != 1 {
		err = errors.New("unauthorized: only admin can reject")
		return
	}

	// Reject product (update status_id to 3)
	err = _i.Repo.Reject(id)
	if err != nil {
		return
	}

	// Save rejection history
	userID := user.ID
	statusReject := 3

	err = _i.ApprovalHistoriesService.CreateHistory(
		"productss",
		id,
		&statusReject, // ✅ pointer
		"reject",
		&userID,
		message,
	)
	if err != nil {
		_i.Log.Error().Err(err).Msg("Failed to save rejection history")
	}

	// Get updated product data
	productEntity, err := _i.Repo.FindOne(id)
	if err != nil {
		return
	}

	if productEntity == nil {
		err = errors.New("product not found")
		return
	}

	host := _i.Cfg.App.Domain
	product = mapper.ProductsResponseMapper(productEntity, host)
	return
}

func (_i *productsService) Comment(
	id uint,
	authToken string,
	message *string,
) (banner *response.ProductsResponse, err error) {

	user := utilSvc.GetUserInfo(_i.Log, _i.UsersRepo, authToken)
	if user == nil {
		err = errors.New("unauthorized")
		return
	}

	if user.UserRoleId != 1 {
		err = errors.New("only admin can comment")
		return
	}

	// SIMPAN COMMENT KE HISTORY (INTI FITURNYA)
	userID := user.ID
	err = _i.ApprovalHistoriesService.CreateHistory(
		"banners",
		id,
		nil, // status_id NULL
		"comment",
		&userID,
		message,
	)
	if err != nil {
		return
	}

	// Ambil banner terbaru
	bannerEntity, err := _i.Repo.FindOne(id)
	if err != nil {
		return
	}

	if bannerEntity == nil {
		err = errors.New("banner not found")
		return
	}

	host := _i.Cfg.App.Domain
	banner = mapper.ProductsResponseMapper(bannerEntity, host)
	return
}