package cmd

import (
	"os"

	"github.com/spf13/cobra"
	"github.com/spf13/viper"
	"golang.org/x/exp/slog"
)

const (
	defGitlabHost = "gitlab.sweetwater.com"
)

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "gitlab-project-manager",
	Short: "Find and use GitLab projects locally",
	Long: `Finds GitLab projects using fuzzy-find, remembering
your chosen term for the project as an alias, and offers helpful
shortcuts for moving around in projects and opening your code`,
	// 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() {
	cobra.OnInitialize(initConfig)
	rootCmd.PersistentFlags().String("config", "", "config file (default is $HOME/.gitlab-project-manager.yaml)")
	rootCmd.PersistentFlags().String("gitlabHost", defGitlabHost, "GitLab Hostname (e.g. gitlab.com)")
	rootCmd.PersistentFlags().String("gitlabToken", "", "GitLab Tokenname (e.g. gitlab.com)")
	viper.BindPFlags(rootCmd.PersistentFlags())
}

// initConfig reads in config file and ENV variables if set.
func initConfig() {
	cfgFile := viper.GetString("config")
	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 ".gitlab-project-manager" (without extension).
		viper.AddConfigPath(home)
		viper.SetConfigType("yaml")
		viper.SetConfigName(".gitlab-project-manager")
	}

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

	// If a config file is found, read it in.
	if err := viper.ReadInConfig(); err == nil {
		slog.Info("Using config file:", viper.ConfigFileUsed())
	} else {
		slog.Error("Error reading viper config", err)
	}
}