package file

// This file holds an encapsulator for the json files used to store different sets of roles for different bannerids.
// A bannerid cannot be duplicated across different json files.
// For development testing: export RCLI_RES_DATA_DIR=path/to/edgeinfra/pkg/sds/emergencyaccess/rules/server/testdata
import (
	"context"
	"fmt"

	"edge-infra.dev/pkg/lib/fog"
	"edge-infra.dev/pkg/sds/emergencyaccess/eaconst"
	rulesengine "edge-infra.dev/pkg/sds/emergencyaccess/rules"
)

type jsonData struct {
	BannerID string              `json:"bannerid"`
	Roles    map[string][]string `json:"roles"`
}

// EARoles searches through the dataset and returns roles the command is associated to.
func (ds Dataset) EARoles(ctx context.Context, bannerID string, command rulesengine.Command) ([]string, error) {
	reqlog := fog.FromContext(ctx).WithName("dataset")

	if command.Type != eaconst.Command {
		return nil, fmt.Errorf("file based dataset currently does not support non-command types: %q", command.Type)
	}

	roleMap := ds.bannerRoleMap[bannerID]
	roles := checkCommand(command.Name, ds.bannerRoleMap[defaultRolesName])
	if roleMap == nil {
		reqlog.V(1).Info("banner id not found", "bannerID", bannerID)
		return roles, nil
	}

	roles = append(roles, checkCommand(command.Name, roleMap)...)
	return roles, nil
}

// runs through a rolemap loaded to memory and checks if the name provided matches any
// in the rolemap
func checkCommand(command string, data map[string][]string) []string {
	res := []string{}
	for priv, commands := range data {
		if inList(command, commands) {
			res = append(res, priv)
		}
	}
	return res
}

func inList(val string, lst []string) bool {
	for _, item := range lst {
		if val == item {
			return true
		}
	}
	return false
}