package cmd

import (
	"fmt"
	"os"

	"git.devices.local/mawas/skel/lib/config"
	"github.com/spf13/cobra"
)

var (
	Version        string
	APPName        string
	APPDescription string
)

var rootCmd = &cobra.Command{
	Use:   APPName,
	Short: APPDescription,
	Long:  APPDescription,
	// SilenceUsage: true,
	// SilenceErrors: true,
	Run: func(cmd *cobra.Command, args []string) {
	},
}

var versionCmd = &cobra.Command{
	Use:   "version",
	Short: "Print the version number",
	Long:  "Print the version number",
	Run: func(cmd *cobra.Command, args []string) {
		fmt.Println(APPName, "version:", Version)
		os.Exit(0)
	},
}
var sampleCfgCmd = &cobra.Command{
	Use:   "sample-config",
	Short: "Print sample config",
	Long:  "Print an example configuration file content",
	Run: func(cmd *cobra.Command, args []string) {
		fmt.Println(config.Sample)
		os.Exit(0)
	},
}

func Initialize(version string, appName string, appDescription string) error {
	var cfgFile string
	Version = version
	APPName = appName
	APPDescription = appDescription
	rootCmd.SetHelpFunc(func(cmd *cobra.Command, args []string) {
		if err := cmd.Usage(); err != nil {
			os.Exit(1)
		}
		os.Exit(0)
	})
	rootCmd.AddCommand(versionCmd)
	rootCmd.AddCommand(sampleCfgCmd)

	rootCmd.Flags().StringVarP(&cfgFile, "config", "c", "", "config file")
	flagCfg := map[string]interface{}{
		"application.environment":   rootCmd.Flags().StringP("environment", "e", "", "application environment"),
		"application.listenaddress": rootCmd.Flags().StringP("listenaddress", "l", "", "application listenaddress or host"),
		"application.port":          rootCmd.Flags().IntP("port", "p", 0, "application listenport"),
		"database.host":             rootCmd.Flags().StringP("database-host", "H", "", "database host"),
		"database.port":             rootCmd.Flags().IntP("database-port", "P", 0, "database port"),
		"database.dialect":          rootCmd.Flags().StringP("database-dialect", "D", "", "database dialect"),
		"database.database":         rootCmd.Flags().StringP("database-name", "d", "", "database name"),
		"database.user":             rootCmd.Flags().StringP("database-user", "u", "", "database user"),
		"database.password":         rootCmd.Flags().StringP("database-password", "s", "", "database password"),
		"database.maxopenconn":      rootCmd.Flags().IntP("database-maxopen", "o", 0, "database max open connections"),
		"database.maxidleconn":      rootCmd.Flags().IntP("database-maxidle", "i", 0, "database max idle connections"),
		"database.maxlifetime":      rootCmd.Flags().IntP("database-maxlifetime", "t", 0, "database max connection lifetime"),
	}
	if err := rootCmd.Execute(); err != nil {
		return err
	}
	if err := config.Initialize(appName, cfgFile, flagCfg); err != nil {
		return err
	}
	return nil
}