package cmd

import (
	"encoding/json"
	"errors"
	"fmt"
	"git.denysoft.de/CubeBit/ssh-hub/cmd/exec"
	"git.denysoft.de/CubeBit/ssh-hub/cmd/list"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
	"os"
)

var rootCmd = &cobra.Command{
	Use:   "ssh-hub",
	Short: "ssh-hub is a simple SSH manager. Storing all your ssh commands and managing them",
	Long: "ssh-hub was created in order to automatically manage ssh commands and different Groups.\n " +
		"\tCreate groups based on projects, environments etc and add there your ssh commands.\n " +
		"\tWe will carefully manage all known sessions and groups.",
	Run: func(cmd *cobra.Command, args []string) {
		fmt.Println("Welcome to ssh-hub!")
	},
}

func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(os.Stderr, err)
		os.Exit(1)
	}
}

func init() {
	cobra.OnInitialize(initCfg)
	rootCmd.AddCommand(list.Cmd())
	rootCmd.AddCommand(exec.Cmd())
}

func initCfg() {
	//TODO: if parameter read config from file provided read from specific file
	const defaultCfg = "/.ssh-hub-config.json"
	homePath, err := os.UserHomeDir()
	cobra.CheckErr(err)

	if _, err := os.Stat(homePath + defaultCfg); errors.Is(err, os.ErrNotExist) {
		createdFile, err := os.Create(homePath + defaultCfg)
		cobra.CheckErr(err)
		bytes, err := json.Marshal(map[string]string{})
		cobra.CheckErr(err)
		_, err = createdFile.Write(bytes)
		cobra.CheckErr(err)
	} else {
		cobra.CheckErr(err)
	}

	configFile, err := os.ReadFile(homePath + defaultCfg)

	var result map[string]string
	err = json.Unmarshal(configFile, &result)
	cobra.CheckErr(err)

	viper.Set("data", result)
}

/*
ssh-hub
├── ssh          - Execute an SSH command (with autocomplete)
├── add          - Add a new command or group
│   ├── command  - Save an SSH command
│   └── group    - Create a group of commands
├── exec         - Execute a saved command or group
├── remove       - Remove a command or group
├── groups       - Manage groups
│   ├── add      - Add a command to a group
│   ├── remove   - Remove a command from a group
│   └── list     - List commands in a group
├── autocomplete - Enable or generate shell autocompletion
└── help         - Display help information for commands
*/