package handlers

import (
	"bugulma/backend/internal/domain"

	"gorm.io/gorm"
)

// productHandler implements EntityHandler for Product entities
type productHandler struct{}

func NewProductHandler() domain.EntityHandler[*domain.Product] {
	return &productHandler{}
}

func (h *productHandler) GetEntityID(entity *domain.Product) string {
	return entity.ID
}

func (h *productHandler) GetFieldValue(entity *domain.Product, field string) string {
	switch field {
	case "name":
		return entity.Name
	case "description":
		return entity.Description
	default:
		return ""
	}
}

func (h *productHandler) GetLocalizableFields() []string {
	return []string{"name", "description"}
}

func (h *productHandler) LoadEntities(db *gorm.DB, options domain.EntityLoadOptions) ([]*domain.Product, error) {
	var products []*domain.Product
	if err := db.Find(&products).Error; err != nil {
		return nil, err
	}
	return products, nil
}

func (h *productHandler) BuildFieldQuery(db *gorm.DB, field, value string) *gorm.DB {
	switch field {
	case "name":
		return db.Where("name = ?", value)
	case "description":
		return db.Where("description = ?", value)
	default:
		return db
	}
}

func (h *productHandler) GetEntityType() string {
	return "product"
}