package utpl

import "slices"

type RawPolicy interface {
	Validate(param string, value string) error
}

type RawAllowlist map[string][]string

func (a RawAllowlist) Validate(param string, value string) error {
	allowed, ok := a[param]
	if !ok {
		return &UnsafeRawError{Param: param, Value: value, Message: "no allowlist defined"}
	}
	if slices.Contains(allowed, value) {
		return nil
	}
	return &UnsafeRawError{Param: param, Value: value, Message: "value not in allowlist"}
}

type RawBlocklist map[string][]string

func (b RawBlocklist) Validate(param string, value string) error {
	blocked, ok := b[param]
	if !ok {
		return nil
	}
	if slices.Contains(blocked, value) {
		return &UnsafeRawError{Param: param, Value: value, Message: "value is blocked"}
	}
	return nil
}

type RawNoop struct{}

func (RawNoop) Validate(string, string) error {
	return nil
}