package switcher

import (
	"fmt"
	"log"
	"time"

	"gitea.urkob.com/urko/go-wifi-switcher/cfg"
	"github.com/go-rod/rod"
)

type switcher struct {
	remoteControlBrowserUrl string
	config                  *cfg.Config
}

var (
	usernameID     = "#username"
	userpasswordID = "#userpassword"
	loginText      = "Login"
	skipText       = "Skip"
	netID          = "#Net"
	netWlanID      = "#Net-WLAN"
	mainFrameID    = "#mainFrame"
	wlanEnableID   = "#wlanEnable"
)

func NewSwitcher(remoteControlBrowserUrl string, config *cfg.Config) switcher {
	return switcher{
		remoteControlBrowserUrl: remoteControlBrowserUrl,
		config:                  config,
	}
}

func (s switcher) SwitchWIFI() error {
	browser := rod.New().
		ControlURL(s.remoteControlBrowserUrl).
		MustConnect().
		MustIgnoreCertErrors(true)

	defer browser.MustClose()

	page := browser.MustPage(s.config.Page)

	username, err := page.Element(usernameID)
	if err != nil {
		return fmt.Errorf("page.Element %s: %s", userpasswordID, err)
	}
	username.MustInput(s.config.AdminUser)
	log.Println(usernameID, "DONE")

	userpassword, err := page.Element(userpasswordID)
	if err != nil {
		return fmt.Errorf("page.Element %s: %s", userpasswordID, err)
	}
	userpassword.MustInput(s.config.Password)
	log.Println(userpasswordID, "DONE")

	login, err := page.Element(`input[value="` + loginText + `"]`)
	if err != nil {
		return fmt.Errorf("page.Element %s: %s", loginText, err)
	}
	login.MustClick()
	log.Println(loginText, "DONE")

	skip, err := page.Element(`input[value="` + skipText + `"]`)
	if err != nil {
		return fmt.Errorf("page.Element %s: %s", skipText, err)
	}
	skip.MustClick()
	log.Println(skipText, "DONE")

	net, err := page.Element(netID)
	if err != nil {
		return fmt.Errorf("page.Element %s: %s", netID, err)
	}
	net.MustClick()
	log.Println(netID, "DONE")

	netWlan, err := page.Element(netWlanID)
	if err != nil {
		return fmt.Errorf("page.Element %s: %s", netWlanID, err)
	}
	netWlan.MustClick()
	log.Println(netWlanID, "DONE")

	frameElement, err := page.Element(mainFrameID)
	if err != nil {
		return fmt.Errorf("page.Element %s: %s", mainFrameID, err)
	}

	mainFrame, err := frameElement.Frame()
	if err != nil {
		return fmt.Errorf("frameElement.Frame: %s", err)
	}

	wlanEnable, err := mainFrame.Element(wlanEnableID)
	if err != nil {
		return fmt.Errorf("mainFrame.Element %s: %s", wlanEnableID, err)
	}
	wlanEnable.MustClick()
	log.Println(wlanEnableID, "DONE")

	sysSubmitID := "#sysSubmit"
	sysSubmit, err := mainFrame.Element(sysSubmitID)
	if err != nil {
		return fmt.Errorf("mainFrame.Element %s: %s", sysSubmitID, err)
	}
	sysSubmit.MustClick()
	log.Println(sysSubmitID, "DONE")

	// TODO: improve this and wait until something should happens (refresh)
	time.Sleep(time.Second * 3)
	return nil
}