package handlers

import (
	"bugulma/backend/internal/domain"

	"gorm.io/gorm"
)

// geographicalFeatureHandler implements EntityHandler for GeographicalFeature entities
type geographicalFeatureHandler struct{}

func NewGeographicalFeatureHandler() domain.EntityHandler[*domain.GeographicalFeature] {
	return &geographicalFeatureHandler{}
}

func (h *geographicalFeatureHandler) GetEntityID(entity *domain.GeographicalFeature) string {
	return entity.ID
}

func (h *geographicalFeatureHandler) GetFieldValue(entity *domain.GeographicalFeature, field string) string {
	switch field {
	case "name":
		return entity.Name
	case "properties":
		// For properties JSON field, return it as string for potential translation
		// In practice, individual properties within the JSON might be translatable
		return string(entity.Properties)
	default:
		return ""
	}
}

func (h *geographicalFeatureHandler) GetLocalizableFields() []string {
	return []string{"name", "properties"}
}

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

func (h *geographicalFeatureHandler) BuildFieldQuery(db *gorm.DB, field, value string) *gorm.DB {
	switch field {
	case "name":
		return db.Where("name = ?", value)
	case "properties":
		// For JSON field, we might need to use JSON operators
		// For now, use simple text search
		return db.Where("properties::text LIKE ?", "%"+value+"%")
	default:
		return db
	}
}

func (h *geographicalFeatureHandler) GetEntityType() string {
	return "geographical_feature"
}