/*
Copyright © 2023 Brian Buller <brian@bullercodeworks.com>

*/
package cmd

import (
	"fmt"
	"os"
	"time"

	gap "github.com/muesli/go-app-paths"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

var cfgFile string

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "breaktime",
	Short: "A pomodoro-style timer app",
	RunE:  runRootCmd,
}

// 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() {
	viper.SetDefault("active", false)
	viper.SetDefault("lastbreak", time.Now())
	p, _ := time.ParseDuration("25m")
	viper.SetDefault("pomodoro", p)
	p, _ = time.ParseDuration("5m")
	viper.SetDefault("breaklength", p)
	viper.SetDefault("warnpct", 0.75)
	cobra.OnInitialize(initConfig)

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

	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}

// initConfig reads in config file and ENV variables if set.
func initConfig() {
	var firstDir string // in case we have to create directories
	if cfgFile != "" {
		// Use config file from the flag.
		viper.SetConfigFile(cfgFile)
	} else {
		scope := gap.NewScope(gap.User, "breaktime")
		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)
		}
		cobra.CheckErr(err)
		viper.SetConfigType("yaml")
		viper.SetConfigName("breaktime")
	}
	var createConfig bool
	v2Path := fmt.Sprintf("%s%s%s", firstDir, string(os.PathSeparator), "breaktime.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)
		}
	}

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

	// If a config file is found, read it in.
	if err := viper.ReadInConfig(); err != nil {
		fmt.Println("Error reading config")
		os.Exit(1)
	}
}

func runRootCmd(cmd *cobra.Command, args []string) error {
	return nil
}