package pkg

import (
	"errors"
	"strconv"
	"strings"
)

type ICAPProfile struct {
	ProfileCommon
	HeaderFrom    string `json:"header_from"`    //header-from none
	Host          string `json:"host"`           //host none
	PreviewLength int    `json:"preview_length"` //preview-length 0
	Referer       string `json:"referer"`        //referer none
	URI           string `json:"uri"`            //uri none
	UserAgent     string `json:"user_agent"`     //user-agent none
}

func ParseICAP(raw string) (*ICAPProfile, error) {
	p := new(ICAPProfile)
	split := strings.Split(raw, "\n")
	if !strings.Contains(split[0], "ltm profile icap") {
		return nil, errors.New("not an icap profile")
	}
	p.ProfileCommon = parseCommon(raw)
	for _, line := range split {
		f := strings.Fields(line)
		switch strings.ToLower(f[0]) {
		case "header-from":
			p.HeaderFrom = strings.Join(f[1:], " ")
		case "host":
			p.Host = strings.Join(f[1:], " ")
		case "preview-length":
			i, err := strconv.Atoi(f[1])
			if err != nil {
				log.WithField("data", f[1]).Error(err.Error())
				return nil, err
			}
			p.PreviewLength = i
		case "referer":
			p.Referer = strings.Join(f[1:], " ")
		case "uri":
			p.URI = strings.Join(f[1:], " ")
		case "user-agent":
			p.UserAgent = strings.Join(f[1:], " ")
		}
	}
	return p, nil
}