import de.hybris.platform.catalog.model.CatalogModel
import de.hybris.platform.catalog.model.CatalogVersionModel
import de.hybris.platform.core.model.product.ProductModel
import de.hybris.platform.servicelayer.search.FlexibleSearchService
import de.hybris.platform.servicelayer.model.ModelService

def catalogId = parameters.catalogId
def updateType = parameters.updateType
def dryRun = parameters.dryRun ?: true

def errors = []
def updatedCount = 0

try {
    def catalog = flexibleSearchService.search("SELECT {pk} FROM {Catalog} WHERE {id} = ?catalogId", 
        [catalogId: catalogId]).result[0]
    
    if (!catalog) {
        errors.add("Catalog with ID $catalogId not found")
        return
    }
    
    def catalogVersion = catalog.activeCatalogVersion
    def products = flexibleSearchService.search("SELECT {pk} FROM {Product} WHERE {catalogVersion} = ?catalogVersion", 
        [catalogVersion: catalogVersion]).result
    
    products.each { product ->
        try {
            switch (updateType) {
                case 'price':
                    // Update price logic here
                    if (!dryRun) {
                        // modelService.save(product)
                    }
                    break
                case 'description':
                    // Update description logic here
                    if (!dryRun) {
                        // modelService.save(product)
                    }
                    break
                case 'category':
                    // Update category logic here
                    if (!dryRun) {
                        // modelService.save(product)
                    }
                    break
            }
            updatedCount++
        } catch (Exception e) {
            errors.add("Error updating product $product.code: $e.message")
        }
    }
    
    println "Updated $updatedCount products successfully"
    if (errors) {
        println "Errors encountered:"
        errors.each { println "  - $it" }
    }
    
} catch (Exception e) {
    errors.add("Script execution failed: $e.message")
}