package main

import (
	"fmt"
	"regexp"
	"strconv"
)

type MailBoxConfiguration struct {
	Server   string
	Port     string
	User     string
	Password string
	SSL      string
	InBox    string
}
type ServiceConfiguration struct {
	Address string
	Port    string
}
type BlogConfiguration struct {
	Title     string
	ShortName string
	MailBox   MailBoxConfiguration
	Service   ServiceConfiguration
}

func (configuration *BlogConfiguration) Prompt() error {
	var err error
	configuration.Title, err = prompt("Blog Title", nil, "", configuration.Title, false)
	if err != nil {
		return err
	}
	configuration.ShortName, err = prompt("Blog Short Name (only letters and numbers, no special signes)", nil, "blog", configuration.ShortName, false)
	if err != nil {
		return err
	}
	if !regexp.MustCompile(`^[a-zA-Z0-9]+$`).MatchString(configuration.ShortName) {
		return fmt.Errorf("short name invalid")
	}

	/*
		configuration.WWWRoot, err = prompt("Web Root directory", nil, fmt.Sprintf("/var/www/html/%s", configuration.ShortName), configuration.WWWRoot, false)
		if err != nil {
			return err
		}
	*/
	configuration.MailBox.Server, err = prompt("IMAP Server Hostname or IP", nil, "", configuration.MailBox.Server, false)
	if err != nil {
		return err
	}

	configuration.MailBox.Port, err = prompt("IMAP Server Port", nil, "993", configuration.MailBox.Port, false)
	if err != nil {
		return err
	}
	_, err = strconv.ParseUint(configuration.MailBox.Port, 10, 16)
	if err != nil {
		return fmt.Errorf("imap server port invalid")
	}
	configuration.MailBox.User, err = prompt("IMAP User Login", nil, "", configuration.MailBox.User, false)
	if err != nil {
		return err
	}
	configuration.MailBox.Password, err = prompt("IMAP User Password", nil, "", configuration.MailBox.Password, false)
	if err != nil {
		return err
	}

	options := [...]string{"SSL/TLS", "StartTLS", "NoTLS"}
	configuration.MailBox.SSL, err = prompt("IMAP SSL/TLS", options[:], "SSL/TLS", configuration.MailBox.SSL, false)
	if err != nil {
		return err
	}

	configuration.MailBox.InBox, err = prompt("IMAP INBOX", nil, "INBOX", configuration.MailBox.InBox, false)
	if err != nil {
		return err
	}

	configuration.Service.Address, err = prompt("Listen address", nil, "127.0.0.1", configuration.Service.Address, false)
	if err != nil {
		return err
	}

	configuration.Service.Port, err = prompt("Listen port", nil, "8080", configuration.Service.Port, false)
	if err != nil {
		return err
	}

	return nil
}