nccli/cmd/root.go

/*
Copyright © 2024 Brian Buller <brian@bullercodeworks.com>
*/
package cmd

import (
	"fmt"
	"os"
	"strings"

	"git.bullercodeworks.com/brian/nccli/util"
	gap "github.com/muesli/go-app-paths"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

// rootCmd represents the base command when called without any subcommands
var (
	Version    = "1.0"
	Build      = "1"
	configFile string
	rootCmd    = &cobra.Command{
		Use:   "nccli",
		Short: "A small utility for various Nextcloud functions",
		// Uncomment the following line if your bare application
		// has an action associated with it:
		// Run: func(cmd *cobra.Command, args []string) { },
	}
)

// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
	err := rootCmd.Execute()
	if err != nil {
		os.Exit(1)
	}
}

func init() {
	rootCmd.Version = Version
	initConfig()
}

func initConfig() {
	var firstDir string // In case we need to make directories
	if configFile != "" {
		viper.SetConfigFile(configFile)
	} else {
		scope := gap.NewScope(gap.User, "nccli")
		dirs, err := scope.ConfigDirs()
		if err != nil {
			fmt.Println("Can't retrieve default config. Please manually pass a config file with '--config'")
			os.Exit(1)
		}
		firstDir = dirs[0]
		for _, v := range dirs {
			viper.AddConfigPath(v)
		}
		viper.SetConfigName("nccli")
		viper.SetConfigType("yaml")
	}
	var createConfig bool
	v2Path := fmt.Sprintf("%s%s%s", firstDir, string(os.PathSeparator), "nccli.yaml")
	if err := viper.ReadInConfig(); err != nil {
		createConfig = true
		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
			// Config file not found; Check if we have a v1 config file
			fmt.Println("Config file not found.")
		} else {
			fmt.Println("Found config file, but another error occurred.")
			fmt.Println(err)
		}
	}
	if createConfig {
		_, err := os.Stat(firstDir)
		if os.IsNotExist(err) {
			err := os.Mkdir(firstDir, 0755)
			if err != nil {
				fmt.Println(err)
				os.Exit(1)
			}
		}
		if err = viper.WriteConfigAs(v2Path); err != nil {
			fmt.Println(err)
			os.Exit(1)
		}
	}
	ncuser := viper.GetString("ncuser")
	if ncuser == "" {
		ncuser = util.PromptUser("Nextcloud User Name")
		if ncuser == "" {
			fmt.Println("No Nextcloud User Name given")
			os.Exit(1)
		}
		viper.Set("ncuser", ncuser)
		viper.WriteConfig()
	}
	ncpw := viper.GetString("ncpw")
	if ncpw == "" {
		var err error
		ncpw = util.PromptUser("Enter Password")
		if ncpw != "" {
			ncpw, err = util.Encrypt(ncpw)
			if err != nil {
				fmt.Printf("Error encrypting password: %v", err)
				os.Exit(1)
			}
		} else {
			fmt.Println("No Nextcloud Password given")
			os.Exit(1)
		}
		viper.Set("ncpw", ncpw)
		viper.WriteConfig()
	}
	url := viper.GetString("ncurl")
	if url == "" {
		url = util.PromptUser("Nextcloud Base URL")
		if url == "" {
			fmt.Println("No Nextcloud Base URL given")
			os.Exit(1)
		}
		if !strings.HasSuffix(url, "/") {
			url = url + "/"
		}
		viper.Set("ncurl", url)
		viper.WriteConfig()
	}
	dir := viper.GetString("directory")
	if dir == "" {
		dir = util.PromptUser("Path to your local Nextcloud Root")
		if dir == "" {
			fmt.Println("No path to Nexctloud root given")
			os.Exit(1)
		}
		if !strings.HasSuffix(dir, "/") {
			dir = dir + "/"
		}
		viper.Set("directory", dir)
		viper.WriteConfig()
	}
}