package cmd

import (
	"bufio"
	"fmt"
	"os"
	"syscall"

	"git.iamthefij.com/iamthefij/slog"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"

	"golang.org/x/term"
)

func readPrompt(prompt string, reader *bufio.Reader, secret bool) string {
	fmt.Printf("%s? ", prompt)

	var value string

	var err error

	if secret {
		byteValue, err := term.ReadPassword(syscall.Stdin)
		if err == nil {
			value = string(byteValue)
		}
	} else {
		value, err = reader.ReadString('\n')
	}

	slog.OnErrFatalf(err, "failed reading %s from input", prompt)

	return value
}

func promptConfig(configKey string, reader *bufio.Reader, secret bool) {
	hostname := readPrompt(configKey, reader, secret)
	viper.Set(configKey, hostname)
}

var loginCmd = &cobra.Command{
	Use:   "login",
	Short: "Login to an imap server",
	Long:  `Login to an imap server and store configuration`,
	Args:  cobra.NoArgs,
	Run: func(cmd *cobra.Command, args []string) {
		reader := bufio.NewReader(os.Stdin)
		promptConfig("hostname", reader, false)
		promptConfig("username", reader, false)
		promptConfig("password", reader, true)
	},
}