/*
macli - Unofficial CLI-Based MyAnimeList Client
Copyright © 2022 Vidhu Kant Sharma <vidhukant@vidhukant.xyz>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

package auth

import (
  "os"
  "fmt"
  "github.com/zalando/go-keyring"
)

var clientSuffix string = "-client-id"

func getClientId() (string, error) {
  return keyring.Get(serviceName + clientSuffix, userName)
}

func setClientId(clientId string) {
  err := keyring.Set(serviceName + clientSuffix, userName, clientId)
  if err != nil {
    fmt.Println("Error while writing Client ID to keychain", err)
    os.Exit(1)
  }
}

func deleteClientId() {
  err := keyring.Delete(serviceName + clientSuffix, userName)
  // TODO: if secret doesnt exist dont show error
  if err != nil {
    fmt.Println(err)
    os.Exit(1)
  }
}

// if client id isn't in keyring
// it will ask the user to enter/create one
func askClientId() string {
  clientId, err := getClientId()
  if err != nil {
    if err.Error() == "secret not found in keyring" {
      fmt.Println("Looks like you don't have any Client ID saved.")
      fmt.Println("If you don't have a MyAnimeList Client ID, please go to \x1b[34mhttps://myanimelist.net/apiconfig\x1b[0m and create one.")
      fmt.Println("Remember to set the App Redirect Url to \x1b[33mhttp://localhost:8000\x1b[0m. Other details don't matter.")

      // get clientId from user input
      clientId = secretInput("Enter your Client ID: ", "Client ID Can't be blank")
      setClientId(clientId)
    }
  }

  return clientId
}