package nft

import "git.kor-elf.net/kor-elf-shield/go-nftables-client/family"

// Rule is the interface for rule manipulation.
type Rule interface {
	// Add adds a new rule.
	//
	// This command is equivalent to:
	// 		nft add rule (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ expr }'
	Add(family family.Type, tableName string, chainName string, expr ...string) error

	// Insert inserts a new rule.
	// Inserted rules are placed at the beginning of the chain, by default.
	//
	// This command is equivalent to:
	// 		nft insert rule (ip|ip6|inet|arp|bridge) {table_name} {chain_name} '{ expr }'
	Insert(family family.Type, tableName string, chainName string, expr ...string) error

	// Replace replaces a rule.
	//
	// This command is equivalent to:
	// 		nft replace rule (ip|ip6|inet|arp|bridge) {table_name} {chain_name} {handle} '{ expr }'
	Replace(family family.Type, tableName string, chainName string, handle uint64, expr ...string) error

	// Delete deletes a rule.
	//
	// This command is equivalent to:
	// 		nft delete rule (ip|ip6|inet|arp|bridge) {table_name} {chain_name} {handle}
	Delete(family family.Type, tableName string, chainName string, handle uint64) error
}