package cmd

import (
	"envy/cmd/utils"
	"fmt"
	"os"
	"path"

	"github.com/charmbracelet/huh"
	"github.com/spf13/cobra"
)

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "envy",
	Short: "A CLI tool to manage .env files for your projects",
	Run: func(cmd *cobra.Command, args []string) {
		cwd, err := os.Getwd()
		utils.StopIfErr(err)

		if _, err := os.Stat(path.Join(cwd, ".env")); os.IsNotExist(err) {
			cmd.Help()
			return
		}

		env, err := os.ReadFile(path.Join(cwd, ".env"))
		utils.StopIfErr(err)

		envs := utils.ParseEnvToStruct(string(env))

		var lines []int

		form := huh.NewForm(
			huh.NewGroup(
				huh.NewMultiSelect[int]().
					Title("Enable or disable environment variables").
					OptionsFunc(func() []huh.Option[int] {
						var opts []huh.Option[int]
						for i, en := range envs {
							opts = append(opts,
								huh.NewOption(fmt.Sprintf("%s = %s", en.Key, en.Value), i).
									Selected(en.Enabled))
						}
						return opts
					}, &envs).
					Value(&lines),
			),
		)

		err = form.Run()
		utils.StopIfErr(err)

		for i := range envs {
			envs[i].Enabled = false
		}
		for _, v := range lines {
			envs[v].Enabled = true
		}

		envStr := utils.ParseEnvStruct(envs)

		os.WriteFile(path.Join(cwd, ".env"), []byte(envStr), 0755)
	},
}

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