package main

import (

"github.com/adrg/xdg"

"github.com/charmbracelet/log"

"github.com/spf13/cobra"

"github.com/spf13/viper"

)

// rootCmd represents the base command when called without any subcommands

var rootCmd = &cobra.Command{

Use: "fog",

Short: "Generate small local clouds of virtual machines",

Long: `Fog is a CLI tool for generating small local clouds of virtual machines.

Fog uses QEMU under the hood to create and manage VMs and provisions instances with Cloud Init.

`,

SilenceUsage: true, // this prevents the usage from being shown when Command.RunE returns an error

}

var globalConfig = viper.New()

var projectConfig = viper.New()

func init() {

cobra.OnInitialize(initGlobalConfig)

cobra.OnInitialize(initProjectConfig)

// TODO: read from global config

log.SetLevel(log.DebugLevel)

}

// initGlobalConfig reads in config file and ENV variables if set for global configuration settings.

func initGlobalConfig() {

configFilePath, err := xdg.ConfigFile("fog/config.yaml")

cobra.CheckErr(err)

globalConfig.SetConfigFile(configFilePath)

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

// If a config file is found, read it in.

if err := globalConfig.ReadInConfig(); err == nil {

log.Debug("Loaded global config", "file", globalConfig.ConfigFileUsed())

}

}

// initProjectConfig reads in config file and ENV variables if set for per project configuration settings.

func initProjectConfig() {

projectConfig.SetConfigName("fog")

projectConfig.SetConfigType("yaml")

projectConfig.AddConfigPath(".")

projectConfig.AddConfigPath(".fog")

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

if err := projectConfig.ReadInConfig(); err == nil {

log.Debug("Loaded project config", "file", projectConfig.ConfigFileUsed())

}

}