/*
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"
  "errors"
  "strings"
  p "github.com/manifoldco/promptui"
)

// because importing macli/ui causes import cycle
func secretInput(label, errMessage string) string {
  validate := func(input string) error {
    if input == "" {
      return errors.New(errMessage)
    }
    return nil
  }

  template := &p.PromptTemplates {
    Valid: "{{ . | cyan }}",
    Invalid: "{{ . | cyan }}",
    Success: "{{ . | blue }}",
  }

  prompt := p.Prompt {
    Label: label,
    Templates: template,
    Validate: validate,
    Mask: '*',
  }

  res, err := prompt.Run()
  if err != nil {
    fmt.Println("Failed to run secret input prompt.", err.Error())
    os.Exit(1)
  }

  // trim leading and trailing whitespaces
  return strings.TrimSpace(res)
}

// ask yes/no with no as default
func confirmInput(label string, def bool) bool {
  validResponses := []string{"y", "yes", "n", "no", ""}

  validate := func(input string) error {
    lowerInput := strings.ToLower(input)
    for _, i := range validResponses {
      if lowerInput == i {
        return nil
      }
    }
    return errors.New("answer can only be y(es) or n(o)")
  }

  template := &p.PromptTemplates {
    Valid: "{{ . | cyan }}",
    Invalid: "{{ . | cyan }}",
    Success: "{{ . | blue }}",
  }

  prompt := p.Prompt {
    Label: label,
    Templates: template,
    Validate: validate,
  }

  res, err := prompt.Run()
  if err != nil {
    fmt.Println("Failed to run confirm prompt.", err.Error(), err)
    os.Exit(1)
  }

  resp := strings.TrimSpace(strings.ToLower(res))
  if resp == "y" || resp == "yes" {
    return true
  }

  if resp == "" {
    return def
  }

  return false
}