package extractors

import "regexp"

// Extractor is used to extract part of response using a regex.
type Extractor struct {
	// Name is the extractor's name
	Name string `yaml:"name,omitempty"`
	// Type is the type of the extractor
	Type string `yaml:"type"`
	// extractorType is the internal type of the extractor
	extractorType ExtractorType

	// Regex are the regex pattern required to be present in the response
	Regex []string `yaml:"regex"`
	// RegexGroup specifies a group to extract from the regex
	RegexGroup int `yaml:"group"`
	// regexCompiled is the compiled variant
	regexCompiled []*regexp.Regexp

	// KVal are the kval to be present in the response headers/cookies
	KVal []string `yaml:"kval,omitempty"`

	// Part is the part of the request to match
	//
	// By default, matching is performed in request body.
	Part string `yaml:"part,omitempty"`
	// Internal defines if this is used internally
	Internal bool `yaml:"internal,omitempty"`
}

// ExtractorType is the type of the extractor specified
type ExtractorType = int

const (
	// RegexExtractor extracts responses with regexes
	RegexExtractor ExtractorType = iota + 1
	// KValExtractor extracts responses with key:value
	KValExtractor
)

// ExtractorTypes is an table for conversion of extractor type from string.
var ExtractorTypes = map[string]ExtractorType{
	"regex": RegexExtractor,
	"kval":  KValExtractor,
}

// GetType returns the type of the matcher
func (e *Extractor) GetType() ExtractorType {
	return e.extractorType
}