package cmd

import (
	"fmt"
	"os"

	homedir "github.com/mitchellh/go-homedir"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"

	"github.com/digarok/appy/core/project"
)

var cfgFile string

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "appy",
	Short: "A happy little Apple II project application.",
	Long: `This will assemble your source files, and build your disk images,
and let you run them in an Apple II emulator in a single command.  For example:


   ./appy run    # this will do everything!


`,
	// 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() {
	// fmt.Println("root.Execute()")
	cobra.CheckErr(rootCmd.Execute())
}

func init() {
	cobra.OnInitialize(initConfig)
	// fmt.Println("root.init()")
	// Here you will define your flags and configuration settings.
	// Cobra supports persistent flags, which, if defined here,
	// will be global for your application.

	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.appy.yaml)")

	// Cobra also supports local flags, which will only run
	// when this action is called directly.
	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}

// initConfig reads in config file and ENV variables if set.
func initConfig() {
	// fmt.Println("root.initConfig()")

	if cfgFile != "" {
		// Use config file from the flag.
		viper.SetConfigFile(cfgFile)
	} else {
		viper.SetConfigName("appy")

		// Typically look in the current path for the project config.
		viper.AddConfigPath(".")
		// Find home directory.
		home, err := homedir.Dir()
		cobra.CheckErr(err)

		// Search config in home directory with name ".appy" (without extension).
		viper.AddConfigPath(home)

	}

	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())
	} else {
		fmt.Fprintln(os.Stderr, "Error loading config:", err)
	}
	project.SelfConfigure()
	// project.Id()
}