package data

import (
	"regexp"

	"github.com/src-d/enry/data/rule"
)

var ContentHeuristics = map[string]*Heuristics{
	{{ range $ext, $rules := . -}}
		{{ printf "%q" $ext }}: &Heuristics{
			{{ range $rule := $rules -}}
				{{template "Rule" $rule}}
			{{ end -}}
		},
	{{ end -}}
}

{{ define "Rule" -}}
	{{ if eq .Op "And" -}}
		rule.And(
			{{ template "Languages" .Langs -}}
			{{ range $rule := .Rules -}}
				{{template "Rule" $rule}}
			{{ end -}}
		),
	{{- else if eq .Op "Or" -}}
		rule.Or(
			{{ template "Languages" .Langs -}}
			regexp.MustCompile(`{{ .Pattern }}`),
		),
	{{- else if eq .Op "Not" -}}
		rule.Not(
			{{ template "Languages" .Langs -}}
			regexp.MustCompile(`{{ .Pattern }}`),
		),
	{{- else if eq .Op "Always" -}}
		rule.Always(
			{{ template "Languages" .Langs -}}
		),
	{{ end -}}
{{ end -}}


{{define "Languages" -}}
	{{with . -}}
		rule.MatchingLanguages( {{range .}} {{printf "\"%s\"" .}}, {{end}} ),
	{{ else -}}
		rule.MatchingLanguages(""),
	{{end -}}
{{end}}