package coperator

import "errors"

func operatorAnd(doc *Document, filter Filter, key string, value interface{}) (bool, error) {
	vfilter, ok := filter.([]interface{})
	if !ok {
		return false, errors.New("filter must be a slice")
	}
	for _, v := range vfilter {
		ret, err := DocumentOperator(doc, v.(Filter), "", nil)
		if !ret {
			return ret, err
		}
	}
	return true, nil
}

func operatorOr(doc *Document, filter Filter, key string, value interface{}) (bool, error) {
	vfilter, ok := filter.([]interface{})
	if !ok {
		return false, errors.New("filter must be a slice")
	}
	for _, v := range vfilter {
		ret, err := DocumentOperator(doc, v.(Filter), "", nil)
		if err != nil {
			return false, err
		}
		if ret {
			return ret, err
		}
	}
	return false, nil
}

func operatorNor(doc *Document, filter Filter, key string, value interface{}) (bool, error) {
	vfilter, ok := filter.([]interface{})
	if !ok {
		return false, errors.New("filter must be a slice")
	}
	for _, v := range vfilter {
		ret, err := DocumentOperator(doc, v.(Filter), "", nil)
		if err != nil {
			return false, err
		}
		if ret {
			return false, nil
		}
	}
	return true, nil
}