package utils

import (
	"fmt"
	"net/http"

	"github.com/containers/libpod/libpod"
	"github.com/containers/libpod/libpod/image"
	"github.com/gorilla/schema"
)

// GetImages is a common function used to get images for libpod and other compatibility
// mechanisms
func GetImages(w http.ResponseWriter, r *http.Request) ([]*image.Image, error) {
	decoder := r.Context().Value("decoder").(*schema.Decoder)
	runtime := r.Context().Value("runtime").(*libpod.Runtime)
	query := struct {
		//all     bool # all is currently unused
		filters []string
		//digests bool # digests is currently unused
	}{
		// This is where you can override the golang default value for one of fields
	}
	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
		return nil, err
	}
	filters := query.filters
	if len(filters) < 1 {
		filters = append(filters, fmt.Sprintf("reference=%s", ""))
	}
	return runtime.ImageRuntime().GetImagesWithFilters(filters)
}