package cmd

import (
	"fmt"
	"github.com/spf13/cobra"
	"os"

	"github.com/spf13/viper"
)

var cfgFile string

// 根命令
var RootCmd = &cobra.Command{
	Use:   "wait_command",
	Short: "命令行阻塞工具",
	Long:  `命令阻塞进程不退出,等待Stdin输出,cobra解析命令行`,
}

// 执行命令行
func Execute() {
	if err := RootCmd.Execute(); err != nil {
		fmt.Println(err)
		//os.Exit(1)
	}
}

func init() {
	cobra.OnInitialize(initConfig)
	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.golang_chan.yaml)")
	RootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}

func initConfig() {
	if cfgFile != "" {
		// Use config file from the flag.
		viper.SetConfigFile(cfgFile)
	} else {
		// Find home directory.
		home, err := os.UserHomeDir()
		cobra.CheckErr(err)

		// Search config in home directory with name ".golang_chan" (without extension).
		viper.AddConfigPath(home)
		viper.SetConfigType("yaml")
		viper.SetConfigName(".golang_chan")
	}

	viper.AutomaticEnv() // read in environment variables that match

	// If a config file is found, read it in.
	if err := viper.ReadInConfig(); err == nil {
		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
	}
}